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Distributed System and Cache Configuration</a>
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Data Entries
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Architecture and Components</a>
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<a href="/docs/guide/15/managing/heap_use/heap_management.html#how_the_resource_manager_works">Using the Geode Resource Manager</a>
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<a href="/docs/guide/15/managing/heap_use/heap_management.html#configuring_resource_manager_controlling_heap_use">Controlling Heap Use with the Resource Manager</a>
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<a href="/docs/guide/15/managing/heap_use/heap_management.html#configuring_resource_manager__section_4949882892DA46F6BB8588FA97037F45">Configure Geode for Heap LRU Management</a>
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<a href="/docs/guide/15/managing/heap_use/heap_management.html#set_jvm_gc_tuning_params">Set the JVM GC Tuning Parameters</a>
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<a href="/docs/guide/15/managing/heap_use/lock_memory.html">Locking Memory (Linux Systems Only)</a>
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<a href="/docs/guide/15/managing/disk_storage/overview_using_disk_stores.html">Configuring Disk Stores</a>
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<a href="/docs/guide/15/managing/disk_storage/using_disk_stores.html">Designing and Configuring Disk Stores</a>
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<a href="/docs/guide/15/managing/disk_storage/optimize_availability_and_performance.html">
Optimizing a System with Disk Stores</a>
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<li>
<a href="/docs/guide/15/managing/disk_storage/handling_missing_disk_stores.html">Handling Missing Disk Stores</a>
</li>
<li>
<a href="/docs/guide/15/managing/disk_storage/managing_disk_buffer_flushes.html">Altering When Buffers Are Flushed to Disk</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/managing/disk_storage/backup_restore_disk_store.html">Creating Backups for System Recovery and Operational Management</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/cache_snapshots/chapter_overview.html">Cache and Region Snapshots</a>
<ul>
<li>
<a href="/docs/guide/15/managing/cache_snapshots/using_cache_and_region_snapshots.html">Usage and Performance Notes</a>
</li>
<li>
<a href="/docs/guide/15/managing/cache_snapshots/exporting_a_snapshot.html">Exporting Cache and Region Snapshots</a>
</li>
<li>
<a href="/docs/guide/15/managing/cache_snapshots/importing_a_snapshot.html">Importing Cache and Region Snapshots</a>
</li>
<li>
<a href="/docs/guide/15/managing/cache_snapshots/filtering_snapshot_entries.html">Filtering Entries During Import or Export</a>
</li>
<li>
<a href="/docs/guide/15/managing/cache_snapshots/read_snapshots_programmatically.html">Reading Snapshots Programmatically</a>
</li>
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<li class="has_submenu">
<a href="/docs/guide/15/managing/region_compression.html">Region Compression</a>
<ul>
<li>
<a href="/docs/guide/15/managing/region_compression.html#concept_a2c_rhc_gl">Guidelines on Using Compression</a>
</li>
<li>
<a href="/docs/guide/15/managing/region_compression.html#topic_inm_whc_gl">How to Enable Compression in a Region</a>
</li>
<li>
<a href="/docs/guide/15/managing/region_compression.html#topic_hqf_syj_g4">Working with Compressors
</a>
</li>
<li>
<a href="/docs/guide/15/managing/region_compression.html#topic_omw_j3c_gl">Comparing Performance of Compressed and Non-Compressed Regions</a>
</li>
</ul>
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<li class="has_submenu">
<a href="/docs/guide/15/managing/network_partitioning/chapter_overview.html">Network Partitioning</a>
<ul>
<li>
<a href="/docs/guide/15/managing/network_partitioning/how_network_partitioning_management_works.html">How Network Partitioning Management Works</a>
</li>
<li>
<a href="/docs/guide/15/managing/network_partitioning/failure_detection.html">Failure Detection and Membership Views</a>
</li>
<li>
<a href="/docs/guide/15/managing/network_partitioning/membership_coordinators_lead_members_and_weighting.html">Membership Coordinators, Lead Members and Member Weighting</a>
</li>
<li>
<a href="/docs/guide/15/managing/network_partitioning/network_partitioning_scenarios.html">Network Partitioning Scenarios</a>
</li>
<li>
<a href="/docs/guide/15/managing/network_partitioning/handling_network_partitioning.html">Configure Apache Geode to Handle Network Partitioning</a>
</li>
<li>
<a href="/docs/guide/15/managing/network_partitioning/preventing_network_partitions.html">Preventing Network Partitions</a>
</li>
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<a href="/docs/guide/15/managing/security/chapter_overview.html">Security</a>
<ul>
<li>
<a href="/docs/guide/15/managing/security/implementing_security.html">Security Implementation Introduction and Overview</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/security/security_audit_overview.html">Security Detail Considerations</a>
<ul>
<li>
<a href="/docs/guide/15/managing/security/security-audit.html">External Interfaces, Ports, and Services</a>
</li>
<li>
<a href="/docs/guide/15/managing/security/security-audit.html#topic_263072624B8D4CDBAD18B82E07AA44B6">Resources That Must Be Protected</a>
</li>
<li>
<a href="/docs/guide/15/managing/security/security-audit.html#topic_5B6DF783A14241399DC25C6EE8D0048A">Log File Locations</a>
</li>
<li>
<a href="/docs/guide/15/managing/security/properties_file.html">Where to Place Security Configuration Settings</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/managing/security/enable_security.html">Enable Security with Property Definitions</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/security/authentication_overview.html">Authentication</a>
<ul>
<li>
<a href="/docs/guide/15/managing/security/implementing_authentication.html">Implementing Authentication</a>
</li>
<li>
<a href="/docs/guide/15/managing/security/authentication_examples.html">Authentication Example</a>
</li>
</ul>
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<li class="has_submenu">
<a href="/docs/guide/15/managing/security/authorization_overview.html">Authorization</a>
<ul>
<li>
<a href="/docs/guide/15/managing/security/implementing_authorization.html">Implementing Authorization</a>
</li>
<li>
<a href="/docs/guide/15/managing/security/authorization_example.html">Authorization Example</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/managing/security/post_processing.html">Post Processing of Region Data</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/security/ssl_overview.html">SSL</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/managing/security/implementing_ssl.html">Configuring SSL</a>
<ul>
<li>
<a href="/docs/guide/15/managing/security/implementing_ssl.html#ssl_configurable_components">SSL-Configurable Components</a>
</li>
<li>
<a href="/docs/guide/15/managing/security/implementing_ssl.html#ssl_configuration_properties">SSL Configuration Properties</a>
</li>
<li>
<a href="/docs/guide/15/managing/security/implementing_ssl.html#ssl_property_reference_tables">SSL Property Reference Tables</a>
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<li>
<a href="/docs/guide/15/managing/security/implementing_ssl.html#implementing_ssl__sec_ssl_impl_proc">Procedure</a>
</li>
</ul>
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<li>
<a href="/docs/guide/15/managing/security/ssl_example.html">SSL Sample Implementation</a>
</li>
</ul>
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<a href="/docs/guide/15/managing/monitor_tune/chapter_overview.html">Performance Tuning and Configuration</a>
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<a href="/docs/guide/15/managing/monitor_tune/disabling_tcp_syn_cookies.html">Disabling TCP SYN Cookies</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/performance_on_vsphere.html">Improving Performance on vSphere</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/monitor_tune/performance_controls.html">Performance Controls</a>
<ul>
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<a href="/docs/guide/15/managing/monitor_tune/performance_controls_data_serialization.html">Data Serialization</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/performance_controls_setting_cache_timeouts.html">Setting Cache Timeouts</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/performance_controls_controlling_socket_use.html">Controlling Socket Use</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/performance_controls_managing_slow_receivers.html">Management of Slow Receivers</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/performance_controls_increasing_cache_hits.html">Increasing the Ratio of Cache Hits</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/monitor_tune/system_member_performance.html">System Member Performance</a>
<ul>
<li>
<a href="/docs/guide/15/managing/monitor_tune/system_member_performance_distributed_system_member.html">Distributed System Member Properties</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/system_member_performance_jvm_mem_settings.html">JVM Memory Settings and System Performance</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/system_member_performance_garbage.html">Garbage Collection and System Performance</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/system_member_performance_connection_thread_settings.html">Connection Thread Settings and Performance</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/monitor_tune/slow_receivers.html">Slow Receivers with TCP/IP</a>
<ul>
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<a href="/docs/guide/15/managing/monitor_tune/slow_receivers_preventing_problems.html">Preventing Slow Receivers</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/slow_receivers_managing.html">Managing Slow Receivers</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/slow_messages.html">Slow distributed-ack Messages</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/monitor_tune/socket_communication.html">Socket Communication</a>
<ul>
<li>
<a href="/docs/guide/15/managing/monitor_tune/socket_communication_setting_socket_buffer_sizes.html">Setting Socket Buffer Sizes</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/socket_communication_ephemeral_tcp_port_limits.html">Ephemeral TCP Port Limits</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/socket_communication_have_enough_sockets.html">Making Sure You Have Enough Sockets</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/socket_tcp_keepalive.html">TCP/IP KeepAlive Configuration</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/socket_communication_tcpip_p2p_handshake_timeouts.html">TCP/IP Peer-to-Peer Handshake Timeouts</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/udp_communication.html">UDP Communication</a>
</li>
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<a href="/docs/guide/15/managing/monitor_tune/multicast_communication.html">Multicast Communication</a>
<ul>
<li>
<a href="/docs/guide/15/managing/monitor_tune/multicast_communication_provisioning_bandwidth.html">Provisioning Bandwidth for Multicast</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/multicast_communication_testing_multicast_speed_limits.html">Testing Multicast Speed Limits</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/multicast_communication_configuring_speed_limits.html">Configuring Multicast Speed Limits</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/multicast_communication_runtime_considerations.html">Run-time Considerations for Multicast</a>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/multicast_communication_troubleshooting.html">Troubleshooting the Multicast Tuning Process</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/managing/monitor_tune/cache_consistency.html">Maintaining Cache Consistency</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/logging/logging.html">Logging</a>
<ul>
<li>
<a href="/docs/guide/15/managing/logging/how_logging_works.html">How Geode Logging Works</a>
</li>
<li>
<a href="/docs/guide/15/managing/logging/logging_categories.html">Understanding Log Messages and Their Categories</a>
</li>
<li>
<a href="/docs/guide/15/managing/logging/logging_whats_next.html">Naming, Searching, and Creating Log Files</a>
</li>
<li>
<a href="/docs/guide/15/managing/logging/setting_up_logging.html">Set Up Logging</a>
</li>
<li>
<a href="/docs/guide/15/managing/logging/configuring_log4j2.html">Advanced Users—Configuring Log4j 2 for Geode</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/statistics/chapter_overview.html">Statistics</a>
<ul>
<li>
<a href="/docs/guide/15/managing/statistics/how_statistics_work.html">How Statistics Work</a>
</li>
<li>
<a href="/docs/guide/15/managing/statistics/transient_region_and_entry_statistics.html">Transient Region and Entry Statistics</a>
</li>
<li>
<a href="/docs/guide/15/managing/statistics/application_defined_statistics.html">Application-Defined and Custom Statistics</a>
</li>
<li>
<a href="/docs/guide/15/managing/statistics/setting_up_statistics.html">Configuring and Using Statistics</a>
</li>
<li>
<a href="/docs/guide/15/managing/statistics/viewing_statistics.html">Viewing Archived Statistics</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/troubleshooting/chapter_overview.html">Troubleshooting and System Recovery</a>
<ul>
<li>
<a href="/docs/guide/15/managing/troubleshooting/producing_troubleshooting_artifacts.html">Producing Artifacts for Troubleshooting</a>
</li>
<li>
<a href="/docs/guide/15/managing/troubleshooting/diagnosing_system_probs.html">Diagnosing System Problems</a>
</li>
<li>
<a href="/docs/guide/15/managing/troubleshooting/system_failure_and_recovery.html">System Failure and Recovery</a>
</li>
<li>
<a href="/docs/guide/15/managing/member-reconnect.html">Handling Forced Cache Disconnection Using Autoreconnect</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/managing/troubleshooting/recovering_from_app_crashes.html">Recovering from Application and Cache Server Crashes</a>
<ul>
<li>
<a href="/docs/guide/15/managing/troubleshooting/recovering_from_p2p_crashes.html">Recovering from Crashes with a Peer-to-Peer Configuration</a>
</li>
<li>
<a href="/docs/guide/15/managing/troubleshooting/recovering_from_cs_crashes.html">Recovering from Crashes with a Client/Server Configuration</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/managing/troubleshooting/recovering_from_machine_crashes.html">Recovering from Machine Crashes</a>
</li>
<li>
<a href="/docs/guide/15/managing/troubleshooting/recovering_conflicting_data_exceptions.html">Recovering from ConfictingPersistentDataExceptions</a>
</li>
<li>
<a href="/docs/guide/15/managing/troubleshooting/prevent_and_recover_disk_full_errors.html">Preventing and Recovering from Disk Full Errors</a>
</li>
<li>
<a href="/docs/guide/15/managing/troubleshooting/recovering_from_network_outages.html">Understanding and Recovering from Network Outages</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/book_intro.html">Developing with Apache Geode</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/developing/region_options/chapter_overview.html">
Region Data Storage and Distribution</a>
<ul>
<li>
<a href="/docs/guide/15/developing/region_options/storage_distribution_options.html">
Storage and Distribution Options</a>
</li>
<li>
<a href="/docs/guide/15/developing/region_options/region_types.html">Region Types</a>
</li>
<li>
<a href="/docs/guide/15/developing/region_options/data_hosts_and_accessors.html">Region Data Stores and Data Accessors</a>
</li>
<li>
<a href="/docs/guide/15/developing/region_options/dynamic_region_creation.html">Creating Regions Dynamically</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/partitioned_regions/chapter_overview.html">Partitioned Regions</a>
<ul>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/how_partitioning_works.html">Understanding Partitioning</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/managing_partitioned_regions.html">Configuring Partitioned Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/configuring_bucket_for_pr.html">Configuring the Number of Buckets for a Partitioned Region</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/partitioned_regions/overview_custom_partitioning_and_data_colocation.html">Custom-Partitioning and Colocating Data</a>
<ul>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/custom_partitioning_and_data_colocation.html">Understanding Custom Partitioning and Data Colocation</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/standard_custom_partitioning.html">Standard Custom Partitioning</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/fixed_custom_partitioning.html">Fixed Custom Partitioning</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/colocating_partitioned_region_data.html">Colocate Data from Different Partitioned Regions</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/partitioned_regions/overview_how_pr_ha_works.html">Configuring High Availability for Partitioned Regions</a>
<ul>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/how_pr_ha_works.html">Understanding High Availability for Partitioned Regions</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/partitioned_regions/configuring_ha_for_pr.html">Configure High Availability for a Partitioned Region</a>
<ul>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/set_pr_redundancy.html">Set the Number of Redundant Copies</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/set_redundancy_zones.html">Configure Redundancy Zones for Members</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/set_enforce_unique_host.html">Set Enforce Unique Host</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/set_crash_redundancy_recovery.html">Configure Member Crash Redundancy Recovery for a Partitioned Region</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/set_join_redundancy_recovery.html">Configure Member Join Redundancy Recovery for a Partitioned Region</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/partitioned_regions/overview_how_pr_single_hop_works.html">Configuring Single-Hop Client Access to Server-Partitioned Regions</a>
<ul>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/how_pr_single_hop_works.html">Understanding Client Single-Hop Access to Server-Partitioned Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/configure_pr_single_hop.html">Configure Client Single-Hop Access to Server-Partitioned Regions</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/rebalancing_pr_data.html">Rebalancing Partitioned Region Data</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/checking_region_redundancy.html">Checking Redundancy in Partitioned Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/moving_partitioned_data.html">Moving Partitioned Region Data to Another Member</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/distributed_regions/chapter_overview.html">
Distributed and Replicated Regions</a>
<ul>
<li>
<a href="/docs/guide/15/developing/distributed_regions/how_distribution_works.html">How Distribution Works</a>
</li>
<li>
<a href="/docs/guide/15/developing/distributed_regions/choosing_level_of_dist.html">Options for Region Distribution</a>
</li>
<li>
<a href="/docs/guide/15/developing/distributed_regions/how_replication_works.html">How Replication and Preloading Work</a>
</li>
<li>
<a href="/docs/guide/15/developing/distributed_regions/managing_distributed_regions.html">Configure Distributed, Replicated, and Preloaded Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/distributed_regions/locking_in_global_regions.html">Locking in Global Regions</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/distributed_regions/region_entry_versions.html">Consistency for Region Updates</a>
<ul>
<li>
<a href="/docs/guide/15/developing/distributed_regions/how_region_versioning_works.html#topic_7A4B6C6169BD4B1ABD356294F744D236">
Consistency Checking by Region Type</a>
</li>
<li>
<a href="/docs/guide/15/developing/distributed_regions/how_region_versioning_works.html#topic_B64891585E7F4358A633C792F10FA23E">Configuring Consistency Checking</a>
</li>
<li>
<a href="/docs/guide/15/developing/distributed_regions/how_region_versioning_works.html#topic_0BDACA590B2C4974AC9C450397FE70B2">Overhead for Consistency Checks</a>
</li>
<li>
<a href="/docs/guide/15/developing/distributed_regions/how_region_versioning_works.html#topic_C5B74CCDD909403C815639339AA03758">How Consistency Checking Works for Replicated Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/distributed_regions/how_region_versioning_works.html#topic_321B05044B6641FCAEFABBF5066BD399">How Destroy and Clear Operations Are Resolved</a>
</li>
<li>
<a href="/docs/guide/15/developing/distributed_regions/how_region_versioning_works.html#topic_32ACFA5542C74F3583ECD30467F352B0">Transactions with Consistent Regions</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/general_region_data_management.html">General Region Data Management</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/developing/storing_data_on_disk/chapter_overview.html">Persistence and Overflow</a>
<ul>
<li>
<a href="/docs/guide/15/developing/storing_data_on_disk/how_persist_overflow_work.html">How Persistence and Overflow Work</a>
</li>
<li>
<a href="/docs/guide/15/developing/storing_data_on_disk/storing_data_on_disk.html">Configure Region Persistence and Overflow</a>
</li>
<li>
<a href="/docs/guide/15/developing/storing_data_on_disk/overflow_config_examples.html">Overflow Configuration Examples</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/eviction/chapter_overview.html">Eviction</a>
<ul>
<li>
<a href="/docs/guide/15/developing/eviction/how_eviction_works.html">How Eviction Works</a>
</li>
<li>
<a href="/docs/guide/15/developing/eviction/configuring_data_eviction.html">Configure Data Eviction</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/expiration/chapter_overview.html">Expiration</a>
<ul>
<li>
<a href="/docs/guide/15/developing/expiration/how_expiration_works.html">How Expiration Works</a>
</li>
<li>
<a href="/docs/guide/15/developing/expiration/configuring_data_expiration.html">Configure Data Expiration</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/outside_data_sources/sync_outside_data.html">Keeping the Cache in Sync with Outside Data Sources</a>
<ul>
<li>
<a href="/docs/guide/15/developing/outside_data_sources/chapter_overview.html">Overview of Outside Data Sources</a>
</li>
<li>
<a href="/docs/guide/15/developing/outside_data_sources/how_data_loaders_work.html">How Data Loaders Work</a>
</li>
<li>
<a href="/docs/guide/15/developing/outside_data_sources/implementing_data_loaders.html">Implement a Data Loader</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/data_serialization/chapter_overview.html">Data Serialization</a>
<ul>
<li>
<a href="/docs/guide/15/developing/data_serialization/data_serialization_options.html">Overview of Data Serialization</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/data_serialization/gemfire_pdx_serialization.html">Geode PDX Serialization</a>
<ul>
<li>
<a href="/docs/guide/15/developing/data_serialization/PDX_Serialization_Features.html">Geode PDX Serialization Features</a>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/use_pdx_high_level_steps.html">High Level Steps for Using PDX Serialization
</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/data_serialization/auto_serialization.html">Using Automatic Reflection-Based PDX Serialization</a>
<ul>
<li>
<a href="/docs/guide/15/developing/data_serialization/autoserialization_with_class_pattern_strings.html">Customizing Serialization with Class Pattern Strings</a>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/extending_the_autoserializer.html">Extending the ReflectionBasedAutoSerializer</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/use_pdx_serializer.html">Serializing Your Domain Object with a PdxSerializer</a>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/use_pdx_serializable.html">Implementing PdxSerializable in Your Domain Object</a>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/program_application_for_pdx.html">Programming Your Application to Use PdxInstances</a>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/jsonformatter_pdxinstances.html">Adding JSON Documents to the Geode Cache</a>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/using_PdxInstanceFactory.html">Using PdxInstanceFactory to Create PdxInstances</a>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/persist_pdx_metadata_to_disk.html">Persisting PDX Metadata to Disk</a>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/using_pdx_region_entry_keys.html">Using PDX Objects as Region Entry Keys</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/gemfire_data_serialization.html">Geode Data Serialization (DataSerializable and DataSerializer)</a>
</li>
<li>
<a href="/docs/guide/15/developing/data_serialization/java_serialization.html">Standard Java Serialization</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/events/chapter_overview.html">Events and Event Handling</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/developing/events/how_events_work.html">How Events Work</a>
<ul>
<li>
<a href="/docs/guide/15/developing/events/how_cache_events_work.html">Peer-to-Peer Event Distribution</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/how_client_server_distribution_works.html">Client-to-Server Event Distribution</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/how_multisite_distribution_works.html">
Multi-Site (WAN) Event Distribution</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/list_of_event_handlers_and_events.html">List of Event Handlers and Events</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/events/event_handler_overview.html">Implementing Geode Event Handlers</a>
<ul>
<li>
<a href="/docs/guide/15/developing/events/implementing_cache_event_handlers.html">Implementing Cache Event Handlers</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/implementing_write_behind_event_handler.html">Implementing an AsyncEventListener for Write-Behind Cache Event Handling</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/writing_callbacks_that_modify_the_cache.html">How to Safely Modify the Cache from an Event Handler Callback</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/cache_event_handler_examples.html">Cache Event Handler Examples</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/events/configure_p2p_event_messaging.html">Configuring Peer-to-Peer Event Messaging</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/events/configure_client_server_event_messaging.html">Configuring Client/Server Event Messaging
</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/developing/events/configuring_highly_available_servers.html">Configuring Highly Available Servers</a>
<ul>
<li>
<a href="/docs/guide/15/developing/events/ha_event_messaging_whats_next.html">Highly Available Client/Server Event Messaging</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/events/implementing_durable_client_server_messaging.html">Implementing Durable Client/Server Messaging</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/events/tune_client_server_event_messaging.html">Tuning Client/Server Event Messaging</a>
<ul>
<li>
<a href="/docs/guide/15/developing/events/conflate_server_subscription_queue.html">Conflate the Server Subscription Queue</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/limit_server_subscription_queue_size.html">Limit the Server's Subscription Queue Memory Use
</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/tune_client_message_tracking_timeout.html">Tune the Client's Subscription Message Tracking Timeout</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/events/configure_multisite_event_messaging.html">Configuring Multi-Site (WAN) Event Queues</a>
<ul>
<li>
<a href="/docs/guide/15/developing/events/configuring_highly_available_gateway_queues.html">Persisting an Event Queue</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/configuring_gateway_concurrency_levels.html">Configuring Dispatcher Threads and Order Policy for Event Distribution</a>
</li>
<li>
<a href="/docs/guide/15/developing/events/conflate_multisite_gateway_queue.html">Conflating Events in a Queue</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/delta_propagation/chapter_overview.html">
Delta Propagation</a>
<ul>
<li>
<a href="/docs/guide/15/developing/delta_propagation/how_delta_propagation_works.html">How Delta Propagation Works</a>
</li>
<li>
<a href="/docs/guide/15/developing/delta_propagation/when_to_use_delta_prop.html">When to Avoid Delta Propagation</a>
</li>
<li>
<a href="/docs/guide/15/developing/delta_propagation/delta_propagation_properties.html">Delta Propagation Properties</a>
</li>
<li>
<a href="/docs/guide/15/developing/delta_propagation/implementing_delta_propagation.html">Implementing Delta Propagation</a>
</li>
<li>
<a href="/docs/guide/15/developing/delta_propagation/errors_in_delta_propagation.html">Errors In Delta Propagation</a>
</li>
<li>
<a href="/docs/guide/15/developing/delta_propagation/delta_propagation_example.html">Delta Propagation Example</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/querying_basics/chapter_overview.html">Querying</a>
<ul>
<li>
<a href="/docs/guide/15/getting_started/querying_quick_reference.html">Geode Querying FAQ and Examples</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/querying_basics/query_basics.html">Querying with OQL</a>
<ul>
<li>
<a href="/docs/guide/15/developing/querying_basics/oql_compared_to_sql.html">Advantages of OQL</a>
</li>
<li>
<a href="/docs/guide/15/developing/querying_basics/running_a_query.html">Writing and Executing a Query in Geode</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/querying_basics/what_is_a_query_string.html">Building a Query String</a>
<ul>
<li>
<a href="/docs/guide/15/developing/query_select/the_import_statement.html">IMPORT Statement</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_select/the_from_clause.html">FROM Clause</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_select/the_where_clause.html">WHERE Clause</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_select/the_select_statement.html">SELECT Statement</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_select/aggregates.html">OQL Aggregate Functions</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/query_additional/query_language_features.html">OQL Syntax and Semantics</a>
<ul>
<li>
<a href="/docs/guide/15/developing/querying_basics/supported_character_sets.html">Supported Character Sets</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_additional/supported_keywords.html">Supported Keywords</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_additional/case_sensitivity.html">Case Sensitivity</a>
</li>
<li>
<a href="/docs/guide/15/developing/querying_basics/comments_in_query_strings.html">Comments in Query Strings</a>
</li>
<li>
<a href="/docs/guide/15/developing/querying_basics/query_grammar_and_reserved_words.html">Query Language Grammar</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_additional/operators.html">Operators</a>
</li>
<li>
<a href="/docs/guide/15/developing/querying_basics/reserved_words.html">Reserved Words</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_additional/literals.html">Supported Literals</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/querying_basics/restrictions_and_unsupported_features.html">Query Language Restrictions and Unsupported Features</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/query_additional/advanced_querying.html">Advanced Querying</a>
<ul>
<li>
<a href="/docs/guide/15/developing/querying_basics/performance_considerations.html">Performance Considerations</a>
</li>
<li>
<a href="/docs/guide/15/developing/querying_basics/monitor_queries_for_low_memory.html">Monitoring Queries for Low Memory</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_additional/using_query_bind_parameters.html">Using Query Bind Parameters</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/querying_basics/querying_partitioned_regions.html">
Querying Partitioned Regions</a>
<ul>
<li>
<a href="/docs/guide/15/developing/query_additional/order_by_on_partitioned_regions.html">Using ORDER BY on Partitioned Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_additional/query_on_a_single_node.html">Querying a Partitioned Region on a Single Node</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_additional/partitioned_region_key_or_field_value.html">Optimizing Queries on Data Partitioned by a Key or Field Value</a>
</li>
<li>
<a href="/docs/guide/15/developing/partitioned_regions/join_query_partitioned_regions.html">Performing an Equi-Join Query on Partitioned Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_additional/partitioned_region_query_restrictions.html">Partitioned Region Query Restrictions</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/query_additional/query_debugging.html">Query Debugging</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/query_index/query_index.html">Working with Indexes</a>
<ul>
<li>
<a href="/docs/guide/15/developing/query_index/indexing_guidelines.html">Tips and Guidelines on Using Indexes</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/creating_an_index.html">Creating, Listing and Removing Indexes</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/creating_key_indexes.html">Creating Key Indexes</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/creating_hash_indexes.html">Creating Hash Indexes</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/creating_map_indexes.html">Creating Indexes on Map Fields ("Map Indexes")</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/create_multiple_indexes.html">Creating Multiple Indexes at Once</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/maintaining_indexes.html">Maintaining Indexes (Synchronously or Asynchronously) and Index Storage</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/query_index_hints.html">Using Query Index Hints</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/indexes_on_single_region_queries.html">Using Indexes on Single Region Queries</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/using_indexes_with_equijoin_queries.html">Using Indexes with Equi-Join Queries</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/indexes_with_overflow_regions.html">Using Indexes with Overflow Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/using_indexes_with_equijoin_queries_multiple_regions.html">Using Indexes on Equi-Join Queries using Multiple Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/query_index/index_samples.html">Index Samples</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/continuous_querying/chapter_overview.html">
Continuous Querying</a>
<ul>
<li>
<a href="/docs/guide/15/developing/continuous_querying/how_continuous_querying_works.html">How Continuous Querying Works</a>
</li>
<li>
<a href="/docs/guide/15/developing/continuous_querying/implementing_continuous_querying.html">Implementing Continuous Querying</a>
</li>
<li>
<a href="/docs/guide/15/developing/continuous_querying/continuous_querying_whats_next.html">Managing Continuous Querying</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/chapter_overview.html">Transactions</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/about_transactions.html">About Transactions</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/cache_transactions.html">Geode Cache Transactions</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/cache_transaction_performance.html">Cache Transaction Performance</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/data_location_cache_transactions.html">Data Location for Cache Transactions</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/run_a_cache_transaction.html">How to Run a Geode Cache Transaction</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/run_a_cache_transaction_with_external_db.html">How to Run a Geode Cache Transaction that Coordinates with an External Database</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html">Working with Geode Cache Transactions</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#concept_vx2_gs4_5k">Setting Global Copy on Read
</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#concept_fdr_wht_vk">Making a Safe Change Within a Transaction Using CopyHelper.copy
</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#concept_ihn_zmt_vk">Transactions and Functions</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#concept_ty1_vnt_vk">Using Queries and Indexes with Transactions</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#concept_ksh_twz_vk">Collections and Region.Entry Instances in Transactions</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#concept_vyt_txz_vk">Using Eviction and Expiration Operations</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#transactions_and_consistency">Transactions and Consistent Regions</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#concept_u5b_ryz_vk">Suspending and Resuming Transactions</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#concept_ysx_nf1_wk">Using Cache Writer and Cache Listener Plug-Ins</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/working_with_transactions.html#concept_ocw_vf1_wk">Configuring Transaction Plug-In Event Handlers</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transaction_event_management.html">How Transaction Events Are Managed</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/how_cache_transactions_work.html#topic_fls_1j1_wk">How Geode Cache Transactions Work</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/how_cache_transactions_work.html#concept_hls_1j1_wk">Transaction View</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/how_cache_transactions_work.html#concept_sbj_lj1_wk">Committing Transactions</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/cache_transactions_by_region_type.html">Transactions by Region Type</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/client_server_transactions.html">Client Transactions</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/client_server_transactions.html#how_gemfire_runs_clients">How Geode Runs Client Transactions</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/client_server_transactions.html#client_cache_access">Client Cache Access During a Transaction</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/client_server_transactions.html#client_app_plugins">Client Transactions and Client Application Plug-Ins</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/client_server_transactions.html#client_transaction_failures">Client Transaction Failures</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/transactional_and_nontransactional_ops.html#transactional_and_nontransactional_ops">Comparing Transactional and Non-Transactional Operations</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/transactional_and_nontransactional_ops.html#transactional_operations">Transactional Operations</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transactional_and_nontransactional_ops.html#non_transactional_operations">Non-Transactional Operations</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transactional_and_nontransactional_ops.html#entry_operations">Entry Operations</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transactional_and_nontransactional_ops.html#region_operations">Region Operations</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transactional_and_nontransactional_ops.html#cache_operations">Cache Operations</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transactional_and_nontransactional_ops.html#no-ops">No-Ops</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transaction_semantics.html">Geode Cache Transaction Semantics</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/JTA_transactions.html">JTA Global Transactions with Geode
</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/JTA_transactions.html#concept_cp1_zx1_wk">Coordinating with External JTA Transactions Managers</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/JTA_transactions.html#task_j3g_3mn_1l">How to Run a JTA Transaction Coordinated by an External Transaction Manager</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/JTA_transactions.html#concept_csy_vfb_wk">Using Geode as the "Last Resource" in a Container-Managed JTA Transaction</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/JTA_transactions.html#task_sln_x3b_wk">How to Run JTA Transactions with Geode as a "Last Resource"</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/JTA_transactions.html#concept_8567sdkbigige">Using Geode as the JTA Transaction Manager</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/JTA_transactions.html#task_qjv_khb_wk">How to Run a JTA Global Transaction Using Geode as the JTA Transaction Manager</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/configuring_db_connections_using_JNDI.html">Configuring Database Connections Using JNDI</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/configuring_db_connections_using_JNDI.html#topic_F67EC20067124A618A8099AB4CBF634C">Example DataSource Configurations in cache.xml</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/cache_plugins_with_jta.html">Behavior of Geode Cache Writers and Loaders Under JTA</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/turning_off_jta.html">Turning Off JTA Transactions
</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/monitor_troubleshoot_transactions.html">Monitoring and Troubleshooting Transactions</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/transactions/transaction_coding_examples.html">Transaction Coding Examples</a>
<ul>
<li>
<a href="/docs/guide/15/developing/transactions/transactions_overview.html">Basic Transaction Example</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transaction_suspend_resume_example.html">Basic Suspend and Resume Transaction Example</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transactional_function_example.html">Transaction Embedded within a Function Example</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/transaction_jta_gemfire_example.html">Geode JTA Transaction Example</a>
</li>
<li>
<a href="/docs/guide/15/developing/transactions/jca_adapter_example.html">JCA Resource Adapter Example</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/developing/function_exec/chapter_overview.html">Function Execution</a>
<ul>
<li>
<a href="/docs/guide/15/developing/function_exec/how_function_execution_works.html">How Function Execution Works</a>
</li>
<li>
<a href="/docs/guide/15/developing/function_exec/function_execution.html">Executing a Function in Apache Geode</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/rest_apps/book_intro.html">Developing REST Applications for Apache Geode</a>
<ul>
<li>
<a href="/docs/guide/15/rest_apps/chapter_overview.html">Geode REST API Overview</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/rest_prereqs.html">Prerequisites and Limitations for Writing REST Applications</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/rest_apps/setup_config.html">Setup and Configuration</a>
<ul>
<li><a href="/docs/guide/15/rest_apps/setup_config.html#setup_config_enabling_rest">Enabling the REST API</a></li>
<li><a href="/docs/guide/15/rest_apps/setup_config.html#setup_config_starting_rest">Starting the REST API Service</a></li>
<li><a href="/docs/guide/15/rest_apps/setup_config.html#setup_config_implementing_auth">Implementing Authentication</a></li>
<li><a href="/docs/guide/15/rest_apps/setup_config.html#setup_config_implementing_auth">Programmatic Startup</a></li>
</ul>
</li>
<li>
<a href="/docs/guide/15/rest_apps/using_swagger.html">Using the Swagger UI to Browse REST APIs</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/rest_apps/develop_rest_apps.html">Developing REST Applications</a>
<ul>
<li>
<a href="/docs/guide/15/rest_apps/develop_rest_apps.html#topic_qhs_f25_m4">Working with Regions</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/develop_rest_apps.html#topic_fcn_g25_m4">Working with Queries</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/develop_rest_apps.html#topic_rbc_h25_m4">Working with Functions</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/rest_apps/rest_examples.html">Sample REST Applications</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/troubleshooting.html">Troubleshooting and FAQ</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/rest_apps/rest_api_reference.html">Apache Geode REST API Reference</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/rest_apps/rest_regions.html">Region Endpoints</a>
<ul>
<li>
<a href="/docs/guide/15/rest_apps/get_regions.html">GET /gemfire-api/v1</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/get_region_data.html">GET /gemfire-api/v1/{region}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/get_region_keys.html">GET /gemfire-api/v1/{region}/keys</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/get_region_key_data.html">GET /gemfire-api/v1/{region}/{key}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/get_region_data_for_multiple_keys.html">GET /gemfire-api/v1/{region}/{key1},{key2},...,{keyN}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/head_region_size.html">HEAD /gemfire-api/v1/{region}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/post_if_absent_data.html">POST /gemfire-api/v1/{region}?key=&lt;key&gt;</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/put_update_data.html">PUT /gemfire-api/v1/{region}/{key}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/put_multiple_values_for_keys.html">PUT /gemfire-api/v1/{region}/{key1},{key2},...{keyN}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/put_replace_data.html">PUT /gemfire-api/v1/{region}/{key}?op=REPLACE</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/put_update_cas_data.html">PUT /gemfire-api/v1/{region}/{key}?op=CAS</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/delete_all_data.html">DELETE /gemfire-api/v1/{region}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/delete_data_for_key.html">DELETE /gemfire-api/v1/{region}/{key}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/delete_data_for_multiple_keys.html">DELETE /gemfire-api/v1/{region}/{key1},{key2},...{keyN}</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/rest_apps/rest_queries.html">Query Endpoints</a>
<ul>
<li>
<a href="/docs/guide/15/rest_apps/get_queries.html">GET /gemfire-api/v1/queries</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/post_create_query.html">POST /gemfire-api/v1/queries?id=&lt;queryId&gt;&amp;q=&lt;OQL-statement&gt;</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/post_execute_query.html">POST /gemfire-api/v1/queries/{queryId}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/put_update_query.html">PUT /gemfire-api/v1/queries/{queryId}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/delete_named_query.html">DELETE /gemfire-api/v1/queries/{queryId}</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/get_execute_adhoc_query.html">GET /gemfire-api/v1/queries/adhoc?q=&lt;OQL-statement&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/rest_apps/rest_functions.html">Function Endpoints</a>
<ul>
<li>
<a href="/docs/guide/15/rest_apps/get_functions.html">GET /gemfire-api/v1/functions</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/post_execute_functions.html">POST /gemfire-api/v1/functions/{functionId}</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/rest_apps/rest_admin.html">Administrative Endpoints</a>
<ul>
<li>
<a href="/docs/guide/15/rest_apps/ping_service.html">[HEAD | GET] /gemfire-api/v1/ping</a>
</li>
<li>
<a href="/docs/guide/15/rest_apps/get_servers.html">GET /gemfire-api/v1/servers</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/book_intro.html">Tools and Modules</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/chapter_overview.html">
gfsh</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/about_gfsh.html">What You Can Do with gfsh</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/starting_gfsh.html">Starting gfsh</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/configuring_gfsh.html">Configuring the gfsh Environment</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/useful_gfsh_shell_variables.html">Useful gfsh Shell Variables</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/getting_started_gfsh.html">Basic Shell Features and Command-Line Usage</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/json_in_gfsh.html">Specifying JSON within Command-Line Options</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/tour_of_gfsh.html">Tutorial—Performing Common Tasks with gfsh</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/gfsh_quick_reference.html">Quick Reference of gfsh Commands by Functional Area</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_77DA6E3929404EB4AC24230CC7C21493">Basic Geode gfsh Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_EB854534301A477BB01058B3B142AE1D">Configuration Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_C7DB8A800D6244AE8FF3ADDCF139DCE4">Data Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_1B47A0E120124EB6BF08A467EB510412">Deployment Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_1ACC91B493EE446E89EC7DBFBBAE00EA">Disk Store Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_10613D4850F04A3EB507F6B441AD3413">Durable CQ and Client Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_8BB061D1A7A9488C819FE2B7881A1278">Function Execution Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_F0AE5CE40D6D49BF92247F5EF4F871D2">Gateway (WAN) Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_B742E9E862BA457082E2346581C97D03">Geode Monitoring Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_688C66526B4649AFA51C0F72F34FA45E">Index Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_2A6DA4078E4E496A9F725A29BC4CFD0D">JMX Connection Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_1C82E6F1B2AF4A65A8DA6B3C846BAC13">Locator Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_lucene_commands">Lucene Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_cvg_bls_5q">PDX Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_EF03129A40EE492984F3B6248596E1DD">Region Commands</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/quick_ref_commands_by_area.html#topic_8A341FF86958466E9E64CF06CD21FED9">Server Commands</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/gfsh_command_index.html">gfsh Command Help</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/alter.html">alter</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/alter.html#topic_alter_async_event_queue">alter async-event-queue</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/alter.html#topic_99BCAD98BDB5470189662D2F308B68EB">alter disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/alter.html#topic_E74ED23CB60342538B2175C326E7D758">alter region</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/alter.html#topic_7E6B7E1B972D4F418CB45354D1089C2B">alter runtime</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/backup.html">backup disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/change.html">change loglevel</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/clear.html">clear defined indexes</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/close.html">close</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/close.html#topic_4125AAAB9FE44CD787166E48B694C41D">close durable-client</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/close.html#topic_1BC15B3132BA480DB227921A9B3ABDD1">close durable-cq</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/compact.html">compact</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/compact.html#topic_F123C95C076F424E9AA8AC4F1F6324CC">compact disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/compact.html#topic_9CCFCB2FA2154E16BD775439C8ABC8FB">compact offline-disk-store</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/configure.html">configure</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/connect.html">connect</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/create.html">create</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/create.html#topic_ryz_pb1_dk">create async-event-queue</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/create.html#topic_w2t_l3m_qq">create defined indexes</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/create.html#topic_bkn_zty_ck">create disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/create.html#topic_a4x_pb1_dk">create gateway-receiver</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/create.html#topic_hg2_bjz_ck">create gateway-sender</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/create.html#topic_960A5B6FD3D84E1881EE128E299DD12D">create index</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/create.html#create_lucene_index">create lucene index</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/create.html#topic_54B0985FEC5241CA9D26B0CE0A5EA863">create region</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/debug.html">debug</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/define.html">define index</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/deploy.html">deploy</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/describe.html">describe</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/describe.html#topic_gyr_jgz_ck">describe client</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/describe.html#topic_3C2C817D999C4E40AF788808B7B6AF99">describe config</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/describe.html#topic_591DC6B781B641268E6173E69AC6D201">describe connection
</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/describe.html#topic_C635B500BE6A4F1D9572D0BC98A224F2">describe disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/describe.html#describe_lucene_index">describe lucene index</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/describe.html#topic_D62F3D42B1D84CF68F03D54D5122806A">describe member</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/describe.html#topic_kys_yvk_2l">describe offline-disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/describe.html#topic_DECF7D3D33F54071B6B8AD4EA7E3F90B">describe region
</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/destroy.html">destroy</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/destroy.html#topic_destroy-async-event-queue">destroy async-event-queue</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/destroy.html#topic_yfr_l2z_ck">destroy disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/destroy.html#topic_E48C2DF809054C12A162026D8A2139BB">destroy function</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/destroy.html#destroy-gs">destroy gateway-sender</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/destroy.html#topic_D00219CCD6F64C1582A0802AC5CDF3F3">destroy index</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/destroy.html#destroy_lucene_index">destroy lucene index</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/destroy.html#topic_BEDACECF4599407794ACBC0E56B30F65">destroy region</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/disconnect.html">disconnect</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/echo.html">echo</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/execute.html">execute function</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/exit.html">exit</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/export.html">export</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/export.html#topic_mdv_jgz_ck">export cluster-configuration
</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/export.html#topic_C7C69306F93743459E65D46537F4A1EE">export config</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/export.html#topic_263B70069BFC4A7185F86B3272011734">export data</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/export.html#topic_B80978CC659244AE91E2B8CE56EBDFE3">export logs</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/export.html#topic_sjg_bvt_gq">export offline-disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/export.html#topic_195D27B8B2B64A4E84CF2256636D54BD">export stack-traces</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/gc.html">gc</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/get.html">get</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/help.html">help</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/hint.html">hint</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/history.html">history</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/import.html">import</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/import.html#topic_vnv_grz_ck">import cluster-configuration</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/import.html#topic_jw2_2ld_2l">import data</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html">list</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_j22_kzk_2l">list async-event-queues</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_ts1_qb1_dk">list clients</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_59DF60DE71AD4097B281749425254BFF">list deployed
</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_BC14AD57EA304FB3845766898D01BD04">list disk-stores</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_66016A698C334F4EBA19B99F51B0204B">list durable-cqs</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_DCC7CCBBEF5942B783A8F2A4A5B2FABF">list functions</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_B1D89671C7B74074899C7D52F15849ED">list gateways</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_B3B51B6DEA484EE086C4F657EC9831F2">list indexes</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#list_lucene_indexes">list lucene indexes</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_5B5BFB2E5F314210858641BE3A689637">list members</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/list.html#topic_F0ECEFF26086474498598035DD83C588">list regions</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/load-balance.html">load-balance gateway-sender</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/locate.html">locate entry</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/netstat.html">netstat</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/pause.html">pause gateway-sender</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/pdx.html">pdx rename</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/put.html">put</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/query.html">query</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/rebalance.html">rebalance</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/remove.html">remove</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/resume.html">resume gateway-sender</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/revoke.html">revoke missing-disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/run.html">run</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/search.html">search lucene</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/set.html">set variable</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/sh.html">sh</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/show.html">show</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/show.html#topic_1225347FAD6541DF995C9999650165B1">show dead-locks</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/show.html#topic_45AAEDAC3AFF46EC9BB68B24FC9A32B3">show log</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/show.html#topic_6EB786C63AEB46179EEE8FA18624295A">show metrics</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/show.html#topic_7B3D624D5B4F41D1A0F8A9C3C8B2E780">show missing-disk-stores</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/show.html#topic_395C96B500AD430CBF3D3C8886A4CD2E">show subscription-queue-size</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/shutdown.html">shutdown</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/sleep.html">sleep</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/start.html">start</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/start.html#topic_67738A5B68E84DEE95D1C92DAB2E26E5">start gateway-receiver</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/start.html#topic_AB8BA3F42B9645A8BE9BD97CE2F839A8">start gateway-sender</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/start.html#topic_D00507416F3944DFAB48D2FA2B9E4A31">start jconsole</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/start.html#topic_5B5BF8BEE905463D8B7762B89E2D65E7">start jvisualvm
</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/start.html#topic_591260CF25D64562A0EDD7260D2AC6D4">start locator</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/start.html#topic_E906BA7D9E7F4C5890FEFA7ECD40DD77">start pulse</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/start.html#topic_3764EE2DB18B4AE4A625E0354471738A">start server</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/status.html">status</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/status.html#topic_ts1_qb1_dk2">status cluster-config-service</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/status.html#topic_B0F45DC2D5F64FB1A2F738206BC6539E">status gateway-receiver</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/status.html#topic_6F539877F0564F05AF264A9E704EC842">status gateway-sender</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/status.html#topic_E96D0EFA513C4CD79B833FCCDD69C832">status locator</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/status.html#topic_E5DB49044978404D9D6B1971BF5D400D">status server</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/stop.html">stop</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/stop.html#topic_CD1D526FD6F84A7B80B25C741229ED30">stop gateway-receiver
</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/stop.html#topic_0BBDD4B3B8A44A65A610F766C9E85519">stop gateway-sender</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/stop.html#topic_EF61C54B35BA4AB7B14E58CF912F283E">stop locator</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/stop.html#topic_723EE395A63A40D6819618AFC2902125">stop server</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/undeploy.html">undeploy</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/validate.html">validate offline-disk-store</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command-pages/version.html">version</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/command_scripting.html">Creating and Running gfsh Command Scripts</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/os_command_line_execution.html">Running gfsh Commands on the OS Command Line</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gfsh/cache_xml_2_gfsh.html">Mapping cache.xml Elements to gfsh Configuration Commands</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/gemcached/chapter_overview.html">Gemcached</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/gemcached/about_gemcached.html">How Gemcached Works</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gemcached/deploying_gemcached.html">Deploying and Configuring a Gemcached Server</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/gemcached/advantages.html">Advantages of Gemcached over Memcached</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/http_session_mgmt/chapter_overview.html">HTTP Session Management Modules</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/quick_start.html">HTTP Session Management Quick Start</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/http_why_use_gemfire.html">Advantages of Using Geode for Session Management</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/common_gemfire_topologies.html">Common Topologies for HTTP Session Management</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/tc_additional_info.html">General Information on HTTP Session Management</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/session_state_log_files.html">Session State Log Files</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/http_session_mgmt/session_mgmt_tcserver.html">HTTP Session Management Module for Pivotal tc Server</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/tc_installing_the_module.html">Installing the HTTP Module for tc Server</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/tc_setting_up_the_module.html">Setting Up the HTTP Module for tc Server</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/http_session_mgmt/tc_changing_gf_default_cfg.html">Changing the Default Geode Configuration in the tc Server Module</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/interactive_mode_ref.html">Interactive Configuration Reference for the tc Server Module
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/http_session_mgmt/session_mgmt_tomcat.html">HTTP Session Management Module for Tomcat</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/tomcat_installing_the_module.html">Installing the HTTP Module for Tomcat</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/tomcat_setting_up_the_module.html">Setting Up the HTTP Module for Tomcat</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/tomcat_changing_gf_default_cfg.html">Changing the Default Geode Configuration in the Tomcat Module</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/http_session_mgmt/session_mgmt_weblogic.html">HTTP Session Management Module for AppServers</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/weblogic_setting_up_the_module.html">Setting Up the HTTP Module for AppServers
</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/http_session_mgmt/weblogic_changing_gf_default_cfg.html">Changing the Default Geode Configuration in the AppServers Module
</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/http_session_mgmt/weblogic_common_configuration_changes.html">Common Geode Configuration Changes for AppServers</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/pulse/pulse-overview.html">Geode Pulse</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/pulse/pulse-requirements.html">Pulse System Requirements</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/pulse/pulse-embedded.html">Running Pulse in Embedded Mode (Quick Start)</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/pulse/pulse-hosted.html">Hosting Pulse on a Web Application Server</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/pulse/pulse-auth.html">Configuring Pulse Authentication</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/pulse/pulse-views.html">Using Pulse Views</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/redis_adapter.html">Geode Redis Adapter</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/redis_adapter.html#using-the-redis-adapter">Using the Redis Adapter</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/redis_adapter.html#how-the-redis-adapter-works">How the Redis Adapter Works</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/redis_adapter.html#advantages-of-geode-over-redis">Advantages of Geode over a Redis Server</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/tools_modules/lucene_integration.html">Apache Lucene Integration</a>
<ul>
<li>
<a href="/docs/guide/15/tools_modules/lucene_integration.html#using-the-apache-lucene-integration">Using the Apache Lucene Integration</a>
</li>
<li>
<a href="/docs/guide/15/tools_modules/lucene_integration.html#LuceneRandC">Requirements and Caveats</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/book_intro.html">Reference</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/gemfire_properties.html">gemfire.properties and gfsecurity.properties (Geode Properties)</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/non-ascii_strings_in_config_files.html">Using Non-ASCII Strings in Apache Geode Property Files</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/chapter_overview_cache_xml.html">cache.xml
</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/elements_ref.html">cache.xml Quick Reference</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache-elements-list.html">&lt;cache&gt; Element Hierarchy</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html">&lt;cache&gt; Element Reference</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#cache-transaction-manager">&lt;cache-transaction-manager&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#transaction-listener">&lt;transaction-listener&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#transaction-writer">&lt;transaction-writer&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#dynamic-region-factory">&lt;dynamic-region-factory&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#gateway-sender">&lt;gateway-sender&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#gateway-event-filter">&lt;gateway-event-filter&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#gateway-event-substitution-filter">&lt;gateway-event-substitution-filter&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#gateway-transport-filter">&lt;gateway-transport-filter&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#gateway-receiver">&lt;gateway-receiver&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#gateway-receiver_gateway-transport-filter">&lt;gateway-transport-filter&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#gateway-conflict-resolver">&lt;gateway-conflict-resolver&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#async-event-queue">&lt;async-event-queue&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#async-event-listener">&lt;async-event-listener&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#cache-server">&lt;cache-server&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#client-subscription">&lt;client-subscription&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#custom-load-probe">&lt;custom-load-probe&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#pool">&lt;pool&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#locator">&lt;locator&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#server">&lt;server&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#disk-store">&lt;disk-store&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#disk-dirs">&lt;disk-dirs&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#disk-dir">&lt;disk-dir&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#pdx">&lt;pdx&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#pdx-serializer_24898989679">&lt;pdx-serializer&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#region-attributes">&lt;region-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#key-constraint">&lt;key-constraint&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#value-constraint">&lt;value-constraint&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#region-time-to-live">&lt;region-time-to-live&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#expiration-attributes">&lt;expiration-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#custom-expiry">&lt;custom-expiry&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#region-idle-time">&lt;region-idle-time&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#region-idle-time_expiration-attributes">&lt;expiration-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#region-idle-time_custom-expiry">&lt;custom-expiry&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#entry-time-to-live">&lt;entry-time-to-live&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#entry-idle-time_expiration-attributes">&lt;expiration-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#entry-time-to-live_custom_expiry">&lt;custom-expiry&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#entry-idle-time">&lt;entry-idle-time&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#entry-idle-time_expiration-attributes">&lt;expiration-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#entry-idle-time_custom-expiry">&lt;custom-expiry&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#partition-attributes">&lt;partition-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#partition-resolver">&lt;partition-resolver&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#partition-listener">&lt;partition-listener&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#fixed-partition-attributes">&lt;fixed-partition-attributes&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#membership-attributes">&lt;membership-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#required-role">&lt;required-role&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#subscription-attributes">&lt;subscription-attributes&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#topic_qsb_pnw_bm">&lt;cache-loader&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#topic_h53_pnw_bm">&lt;cache-writer&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#cache-listener">&lt;cache-listener&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#topic_pcd_t25_44">&lt;compressor&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#eviction-attributes">&lt;eviction-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#lru-entry-count">&lt;lru-entry-count&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#lru-heap-percentage">&lt;lru-heap-percentage&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#lru-memory-size">&lt;lru-memory-size&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#jndi-bindings">&lt;jndi-bindings&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#jndi-binding">&lt;jndi-binding&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#config-property">&lt;config-property&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#config-property-name">&lt;config-property-name&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#config-property-type">&lt;config-property-type&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#config-property-value">&lt;config-property-value&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#region">&lt;region&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#index">&lt;index&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#luceneindex">&lt;lucene:index&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#lucenefield">&lt;lucene:field&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#entry">&lt;entry&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#key">&lt;key&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#string">&lt;string&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#declarable">&lt;declarable&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#value">&lt;value&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#string">&lt;string&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#declarable">&lt;declarable&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#region_region">&lt;region&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#vm-root-region">&lt;vm-root-region&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#function-service">&lt;function-service&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#function">&lt;function&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#resource-manager">&lt;resource-manager&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#serialization-registration">&lt;serialization-registration&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#serializer">&lt;serializer&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#instantiator">&lt;instantiator&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#backup">&lt;backup&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/cache_xml.html#initializer">&lt;initializer&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#declarable">&lt;declarable&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#class-name_parameter">&lt;class-name&gt; and &lt;parameter&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#declarable">&lt;declarable&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#string">&lt;string&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache-elements-list.html">
&lt;client-cache&gt; Element Hierarchy
</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html">&lt;client-cache&gt; Element Reference</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-cache-transaction-manager">&lt;cache-transaction-manager&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-transaction-listener">&lt;transaction-listener&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-transaction-writer">&lt;transaction-writer&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-pool">&lt;pool&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-locator">&lt;locator&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-server">&lt;server&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-disk-store">&lt;disk-store&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-disk-dirs">&lt;disk-dirs&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-disk-dir">&lt;disk-dir&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-pdx">&lt;pdx&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-pdx-serializer">&lt;pdx-serializer&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-region-attributes">&lt;region-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-key-constraint">&lt;key-constraint&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-value-constraint">&lt;value-constraint&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-region-time-to-live">&lt;region-time-to-live&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-expiration-attributes">&lt;expiration-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-custom-expiry">&lt;custom-expiry&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-region-idle-time">&lt;region-idle-time&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-rit-expiration-attributes">&lt;expiration-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-rit-custom-expiry">&lt;custom-expiry&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-entry-time-to-live">&lt;entry-time-to-live&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-ettl-expiration-attributes">&lt;expiration-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-ettl-custom-expiry">&lt;custom-expiry&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-entry-idle-time">&lt;entry-idle-time&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-eit-expiration-attributes">&lt;expiration-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-eit-custom-expiry">&lt;custom-expiry&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#topic_qsb_pnw_bm">&lt;cache-loader&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/cache_xml.html#topic_h53_pnw_bm">&lt;cache-writer&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-cache-listener">&lt;cache-listener&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-eviction-attributes">&lt;eviction-attributes&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-lru-entry-count">&lt;lru-entry-count&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-lru-heap-percentage">&lt;lru-heap-percentage&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-lru-memory-size">&lt;lru-memory-size&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-jndi-bindings">&lt;jndi-bindings&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-jndi-binding">&lt;jndi-binding&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-config-property">&lt;config-property&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-region">&lt;region&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-r-region-attributes">&lt;region-attributes&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-index">&lt;index&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-entry">&lt;entry&gt;</a>
<ul>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-key">&lt;key&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-string">&lt;string&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-declarable">&lt;declarable&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-value">&lt;value&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-v-string">&lt;string&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-v-declarable">&lt;declarable&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-ra-region">&lt;region&gt;</a>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-function-service">&lt;function-service&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-function">&lt;function&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-resource-manager">&lt;resource-manager&gt;</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-serialization-registration">&lt;serialization-registration&gt;</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-serializer">&lt;serializer&gt;</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-instantiator">&lt;instantiator&gt;</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/client-cache.html#cc-initializer">&lt;initializer&gt;</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/topics/chapter_overview_regionshortcuts.html">Region Shortcuts</a>
<ul>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_table.html">Region Shortcuts Quick Reference</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_w2h_3cd_lk">
LOCAL
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_wd5_lpy_lk">
LOCAL_HEAP_LRU
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_adk_y4y_lk">
LOCAL_OVERFLOW
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_l5r_y4y_lk">
LOCAL_PERSISTENT
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_a45_y4y_lk">
LOCAL_PERSISTENT_OVERFLOW
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_ow5_4qy_lk">
PARTITION
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_twx_y4y_lk">
PARTITION_HEAP_LRU
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_js1_z4y_lk">
PARTITION_OVERFLOW
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_d4k_jpy_lk">
PARTITION_PERSISTENT
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_v5l_jpy_lk">
PARTITION_PERSISTENT_OVERFLOW
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_v4m_jpy_lk">
PARTITION_PROXY
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_c1n_jpy_lk">
PARTITION_PROXY_REDUNDANT
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_shn_jpy_lk">
PARTITION_REDUNDANT
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_m4n_jpy_lk">
PARTITION_REDUNDANT_HEAP_LRU
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_own_jpy_lk">
PARTITION_REDUNDANT_OVERFLOW
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_bd4_jpy_lk">
PARTITION_REDUNDANT_PERSISTENT
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_xqq_tvc_lk">
PARTITION_REDUNDANT_PERSISTENT_OVERFLOW
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_wq4_jpy_lk">
REPLICATE
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_xx4_jpy_lk">
REPLICATE_HEAP_LRU
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_t2p_jpy_lk">
REPLICATE_OVERFLOW
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_emp_jpy_lk">
REPLICATE_PERSISTENT
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_tsp_jpy_lk">
REPLICATE_PERSISTENT_OVERFLOW
</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/region_shortcuts_reference.html#reference_n1q_jpy_lk">
REPLICATE_PROXY
</a>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/handling_exceptions_and_failures.html">
Exceptions and System Failures</a>
</li>
<li>
<a href="/docs/guide/15/reference/topics/memory_requirements_for_cache_data.html">Memory Requirements for Cached Data</a>
</li>
<li class="has_submenu">
<a href="/docs/guide/15/reference/statistics_list.html">Geode Statistics List</a>
<ul>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_DEF8D3644D3246AB8F06FE09A37DC5C8">Cache Performance (CachePerfStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_EF5C2C59BFC74FFB8607F9571AB9A471">Cache Server (CacheServerStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_B08C0783BBF9489E8BB48B4AEC597C62">Client-Side Notifications (CacheClientUpdaterStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_04B7D7387E584712B7710B5ED1E876BB">Client-to-Server Messaging Performance (ClientStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_6C247F61DB834C079A16BE92789D4692">Client Connection Pool (PoolStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_66C0E7748501480B85209D57D24256D5">Continuous Querying (CQStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_D4ABED3FF94245C0BEE0F6FC9481E867">Delta Propagation (DeltaPropagationStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_6C2BECC63A83456190B029DEDB8F4BE3">Disk Space Usage (DiskDirStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_983BFC6D53C74829A04A91C39E06315F">Disk Usage and Performance (DiskRegionStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_ACB4161F10D64BC0B15871D003FF6FDF">Distributed System Messaging (DistributionStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_78D346A580724E1EA645E31626EECE40">Distributed Lock Services (DLockStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_5E212DDB0E8640689AD0A4659512E17A">Function Execution (FunctionServiceStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_C4199A541B1F4B82B6178C416C0FAE4B">Gateway Queue (GatewayStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_86A61860024B480592DAC67FFB882538">Indexes (IndexStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_607C3867602E410CAE5FAB26A7FF1CB9">JVM Performance</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_C48B654F973E4B44AD825D459C23A6CD">Locator (LocatorStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#LuceneStats">Lucene Indexes (LuceneIndexStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#topic_ohc_tjk_w5">Off-Heap (OffHeapMemoryStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_923B28F01BC3416786D3AFBD87F22A5E">Operating System Statistics - Linux</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_35AC170770C944C3A336D9AEC2D2F7C5">Partitioned Regions (PartitionedRegion&lt;partitioned_region_name&gt;Statistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_374FBD92A3B74F6FA08AA23047929B4F">Region Entry Eviction – Count-Based (LRUStatistics)
</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_3D2AA2BCE5B6485699A7B6ADD1C49FF7">Region Entry Eviction – Size-based (LRUStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_5362EF9AECBC48D69475697109ABEDFA">Server Notifications for All Clients (CacheClientNotifierStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_E03865F509E543D9B8F9462B3DA6255E">Server Notifications for Single Client (CacheClientProxyStatistics)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_3AB1C0AA55014163A2BBF68E13D25E3A">Server-to-Client Messaging Performance (ClientSubscriptionStats)</a>
</li>
<li>
<a href="/docs/guide/15/reference/statistics_list.html#section_55F3AF6413474317902845EE4996CC21">Statistics Collection (StatSampler)</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="/docs/guide/15/reference/topics/glossary.html">Glossary</a>
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<h1 class="title-container" >
Glossary
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<p>This glossary defines terms used in Apache Geode documentation.</p>
<h2 id="ack-wait-threshold"><a id="glossary__section_DAFADE21D316465481B71C795FF77AD5" class="no-quick-link"></a>ACK wait threshold</h2>
<p>A time-to-wait for message acknowledgment between system members.</p>
<h2 id="administrative-event"><a id="glossary__section_C3F8A17C6458419AAE109F6E4719FFB1" class="no-quick-link"></a>administrative event</h2>
<p>See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_2AF9B98BC1CA402A9F24E552EE9C9ACF">event</a>.</p>
<h2 id="api"><a id="glossary__section_E54C1FFAF4644954B54FA78A4EE5FC44" class="no-quick-link"></a>API</h2>
<p>Application Programming Interface. Geode provides APIs to cached data for Java applications.</p>
<h2 id="application-program"><a id="glossary__section_1DCB29DBB9064E82A4CC0A6413191820" class="no-quick-link"></a>application program</h2>
<p>A program designed to perform a specific function directly for the user or, in some cases, for another application program. Geode applications use the Geode application programming interfaces (APIs) to modify cached data.</p>
<h2 id="attribute"><a id="glossary__section_1E6C71FF293148BE853D0C7D657F90ED" class="no-quick-link"></a>attribute</h2>
<p>Querying: A named member of a data object. The public fields and methods of an object may be accessed as attributes in the context of a query.</p>
<p>Region: See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_7398A81EE9034E7FBDF7B592314586B3">region attributes</a>.</p>
<h2 id="attribute-path"><a id="glossary__section_8B77F26807044FAD96134DEB21AD0590" class="no-quick-link"></a>attribute path</h2>
<p>A sequence of attributes separated by a dot (.), applied to objects where the value of each attribute is used to apply the next attribute.</p>
<h2 id="blocking"><a id="glossary__section_D86690A5E9B444CE969AB6D92BC25127" class="no-quick-link"></a>blocking</h2>
<p>A behavior associated with synchronization functions. Blocking behavior is exhibited as waiting for a signal to proceed, regardless of how long it takes. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_311C7AE4126A4B1899D6EA1C4E804F57">timeout</a>.</p>
<h2 id="cache"><a id="glossary__section_938DF854708546878D59694A4C68604C" class="no-quick-link"></a>cache</h2>
<p>In-memory Geode data storage created by an application or cache server for data storage, distribution, and management. This is the point of access for Java applications for all caching features, and the only view of the cache that is available to the application. Cache creation creates a connection to the distributed system. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_598D82A75D9842438BB934E01E77266E">local</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_CC864725C0014791805D2549D87DA545">remote</a>.</p>
<h2 id="cache-local"><a id="glossary__section_F63DF98EB5D04EB5BBF9C6AD923341F5" class="no-quick-link"></a>cache-local</h2>
<p>Residing or occurring in the local cache.</p>
<h2 id="cache.xml"><a id="glossary__section_3527F588E0B844F783D4A98E248F0E4B" class="no-quick-link"></a>cache.xml</h2>
<p>Common name for the XML file that declares the initial configuration of a cache. This file is used to customize the behavior of the Geode cache server process and can be used by any Java application. Applications can also configure the cache through the Geode Java APIs. You can give this file any name.</p>
<h2 id="cache-event"><a id="glossary__section_61C824936B6E495D9214EE7E0F0C0F63" class="no-quick-link"></a>cache event</h2>
<p>See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_2AF9B98BC1CA402A9F24E552EE9C9ACF">event</a>.</p>
<h2 id="cache-listener"><a id="glossary__section_688E118C48B246AF9D2AAB64AE9481D4" class="no-quick-link"></a>cache listener</h2>
<p>User-implemented plug-in for receiving and handling region entry events. A region’s cache listener is called after an entry in the local cache is modified. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_40FFA1BD5E4A4E3084AE8B257C612EDE">cache writer</a>.</p>
<h2 id="cache-loader"><a id="glossary__section_9CAA8CD20DBF4F948E20E384C987D0C8" class="no-quick-link"></a>cache loader</h2>
<p>User-implemented plug-in for loading data into a region. A region’s cache loader is used to load data that is requested of the region but is not available in the distributed system. For a distributed region, the loader that is used can be in a different cache from the one where the data-request operation originated. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_B9B118509831405D9AB4069503119DFB">netSearch</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_BFFF4BF9D6414AA392F7AEAC1256C112">netLoad</a>.cache misses, where a requested key is not present or has a null value in the local cache.</p>
<h2 id="cache-miss"><a id="glossary__section_6D9FA50812AC45BCADA7755E4368A5C4" class="no-quick-link"></a>cache miss</h2>
<p>The situation where a key’s value is requested from a cache and the requested key is not present or has a null value. Geode responds to cache misses in various ways, depending on the region and system configuration. For example, a client region goes to its servers to satisfy cache misses. A region with local scope uses its data loader to load the value from an outside data source, if a loader is installed on the region.</p>
<h2 id="cache-server"><a id="glossary__section_cache_server" class="no-quick-link"></a>cache server</h2>
<p>A long-lived, configurable Geode distributed system member process that can service client connections.</p>
<h2 id="cache-transaction"><a id="glossary__section_cache_transaction" class="no-quick-link"></a>cache transaction</h2>
<p>A native Geode transaction, managed by Geode and not by JTA. This type of transaction operates only on data available from the Geode cache in the local member. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_2B4ADA311CA946839F3E8F3B071D4E74">JTA</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_CDA3C2530A74433CBE0204D588C237AC">global transaction</a>.</p>
<h2 id="cache-writer"><a id="glossary__section_40FFA1BD5E4A4E3084AE8B257C612EDE" class="no-quick-link"></a>cache writer</h2>
<p>User-implemented plug-in intended for synchronizing the cache with an outside data source. A region’s cache writer is a synchronous listener to cache data events. The cache writer has the ability to abort a data modification. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_688E118C48B246AF9D2AAB64AE9481D4">cache listener</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_3B75FF1066664923B2C9A61BDA133559">netWrite</a>.</p>
<h2 id="client"><a id="glossary__section_109B7961FDFC4EED8C1802E84031B38D" class="no-quick-link"></a>client</h2>
<p>A Geode application that is configured as a standalone distributed system member, with regions configured as client regions. Client configuration uses the &lt;client-cache&gt; <code>cache.xml</code> element and the ClientCache API.</p>
<h2 id="client-region"><a id="glossary__section_A586ED6889724255957630F01B2E54F4" class="no-quick-link"></a>client region</h2>
<p>A Geode cache region that is configured to go to one or more Geode servers, in a separate Geode distributed system, for all data distribution activities. Among other things, client regions go to servers to satisfy cache misses, distribute data modifications, and to run single queries and continuous queries.</p>
<h2 id="cluster-configuration-service">cluster configuration service</h2>
<p>The cluster configuration service saves cluster configurations created by gfsh commands to the locators in a cluster and distributes the configurations to members of the cluster.</p>
<h2 id="collection"><a id="glossary__section_054DE9007EFB49119CE9B4725DCA6C14" class="no-quick-link"></a>collection</h2>
<p>Used in the context of a query for a group of distinct objects of homogeneous type, referred to as elements. Valid collections include the <code>java.util.Collection</code> as well as Set, Map, List, and arrays. The elements in a collection can be iterated over. Iteration over a Map traverses its entries as instances of Map.Entry. A region can also be treated as a collection of its values.</p>
<h2 id="commit"><a id="glossary__section_F8C00E335E9C4F1EA717F717B2A0E7FE" class="no-quick-link"></a>commit</h2>
<p>A transactional operation that merges a transaction’s result into the cache. Changes are made in an &ldquo;all or none&rdquo; fashion. Other changes from outside the current transaction are kept separate from those being committed.</p>
<h2 id="concurrency-level"><a id="glossary__section_3699AD8BD21249178882247DF7C12104" class="no-quick-link"></a>concurrency-level</h2>
<p>Region attribute that specifies an estimate of the number of threads ever expected to concurrently modify values in the region. The actual concurrency may vary; this value is used to optimize the allocation of system resources.</p>
<h2 id="conflation"><a id="glossary__section_3FEC7A097CE247299F47EA209C5F91B8" class="no-quick-link"></a>conflation</h2>
<p>Combining entries in a message queue for better performance. When an event is added to queue, if a similar event exists in the queue, there are two ways to conflate the events. One way is to remove the existing entry from wherever it resides in the queue, and add the new entry to the end of the queue. The other way is to replace the existing entry with the new entry, where it resides in the queue, and add nothing to the end of the queue. In Geode, region entry update events, server events going to clients, and gateway sender events going to remote distributed systems can all be conflated.</p>
<h2 id="connection"><a id="glossary__section_6D18D4A3D0D046E6B3664B4C95065EB3" class="no-quick-link"></a>connection</h2>
<p>The connection used by an application to access a Geode system. A Java application connects to its Geode distributed system when it creates its cache. The application must connect to a distributed system to gain access to the Geode functionalities. A client connects to a running Geode server to distribute data and events between itself and the server tier. These client connections are managed by server connection pools within the client applications. Gateway senders connect to a remote gateway receiver to distribute data events between sites.</p>
<h2 id="consumer"><a id="glossary__section_32D2C413690A4F44BA8F7B0F2AF3CD1A" class="no-quick-link"></a>consumer</h2>
<p>Geode member process that receives data and/or events from other members. Peer consumers are often configured with replicated regions, so all changes in the distributed system arrive into the local cache. Client consumers can register subscriptions with their servers so that updates are automatically forwarded from the server tier. See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_8742E7E064364DED98D4D399B98DBCF3">producer</a>.</p>
<h2 id="coordinator"><a id="glossary__section_E02DBBD928D54E8C82EC59B5CCC528EF" class="no-quick-link"></a>coordinator</h2>
<p>The member of the distributed system that sends out membership views. This is typically the locator in Geode.</p>
<h2 id="data-accessor"><a id="glossary__section_6049C4E876C24615B245D8E2A92E3D89" class="no-quick-link"></a>data accessor</h2>
<p>In the context of a region, a member configured to use a region, but not store any data for it in the member’s local cache. Common use cases for data accessors are thin clients, and thin producer and consumer applications. Accessors can put data into the region and receive events for the region from remote members or servers, but they store no data in the application. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_CC99958C53D84AD38E15E3BEDEA5F61D">data store</a>.</p>
<h2 id="data-entry"><a id="glossary__section_A8EE060D11E645D3B3FCDE0E5181F163" class="no-quick-link"></a>data entry</h2>
<p>See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_5D8ED880C9BD4062BE6F0404B28FA005">entry</a>.</p>
<h2 id="data-fabric"><a id="glossary__section_6D48D75AAC28486697EA3A5E66AEEF04" class="no-quick-link"></a>data fabric</h2>
<p>Also referred to as an in-memory data grid or an enterprise data fabric. Geode is an implementation of a data fabric. A data fabric is a distributed, memory-based data management platform that uses cluster-wide resources &ndash; memory, CPU, network bandwidth, and optionally local disk &ndash; to manage application data and application logic (behavior). The data fabric uses dynamic replication and data partitioning techniques to offer continuous availability, very high performance, and linear scalability for data intensive applications, all without compromising on data consistency even when exposed to failure conditions.</p>
<h2 id="data-policy"><a id="glossary__section_41C4996366BF4CD4BF290E6DF6E2F20D" class="no-quick-link"></a>data-policy</h2>
<p>Region attribute used to determine what events the region receives from remote caches, whether data is stored in the local cache, and whether the data is persisted to disk. For disk persistence, writes are performed according to the cache disk-store configuration.</p>
<h2 id="data-region-(region)"><a id="glossary__section_348DF8B2F8984813897E1BCEB2CEDD59" class="no-quick-link"></a>data region (region)</h2>
<p>A logical grouping of data within a cache. Regions usually contain data entries (see entry). Each region has a set of region attributes governing activities such as expiration, distribution, data loading, events, and capacity control. In addition, a region can have an application-defined user attribute.</p>
<h2 id="data-store"><a id="glossary__section_CC99958C53D84AD38E15E3BEDEA5F61D" class="no-quick-link"></a>data store</h2>
<p>In the context of a region, a member configured to store data for the region. This is used mostly for partitioned regions, where data is spread across the distributed system among the data stores. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_6049C4E876C24615B245D8E2A92E3D89">data accessor</a>.</p>
<h2 id="deadlock"><a id="glossary__section_53D31D86FA12426E8412A2F45BBAE34A" class="no-quick-link"></a>deadlock</h2>
<p>A situation in which two or more processes are waiting indefinitely for events that will never occur.</p>
<h2 id="destroy"><a id="glossary__section_179D08FF635F4A939F59C44914254410" class="no-quick-link"></a>destroy</h2>
<p>Distributed: To remove a cached object across the distributed cache.</p>
<p>Local: To remove a cached object from the local cache only.</p>
<h2 id="disk-region"><a id="glossary__section_C2B05EDE9FDB478AB99C8DCD290A91B3" class="no-quick-link"></a>disk region</h2>
<p>A persistent region.</p>
<h2 id="disk-store"><a id="glossary__section_672E5F70BE09465589253DEA25FA90EA" class="no-quick-link"></a>disk-store</h2>
<p>Cache element specifying location and write behavior for disk storage. Used for persistence and overflow of data. The cache can have multiple disk stores, which are specified by name for region attributes, client subscription queues (for servers), and WAN gateway sender queues.</p>
<h2 id="distributed-cache"><a id="glossary__section_1BE6131144994E89A8F68685D8DCF490" class="no-quick-link"></a>distributed cache</h2>
<p>A collection of caches spread across multiple machines and multiple locations that functions as a single cache for the individual applications.</p>
<h2 id="distributed-system"><a id="glossary__section_94901F2666594813BAE6761DF4CEF0ED" class="no-quick-link"></a>distributed system</h2>
<p>One or more Geode system members that have been configured to communicate cache events with each other, forming a single, logical system.</p>
<h2 id="distributed-ack-scope"><a id="glossary__section_FC39A1F63F4D40FC9B3DF00F1A75282E" class="no-quick-link"></a>distributed-ack scope</h2>
<p>Data distribution setting that causes synchronous distribution operations, which wait for acknowledgment from other caches before continuing. Operations from multiple caches can arrive out of order. This scope is slower but more reliable than distributed-no-ack.</p>
<h2 id="distributed-no-ack-scope"><a id="glossary__section_35D0344DB4684FD69EFC01F599F2F349" class="no-quick-link"></a>distributed-no-ack-scope</h2>
<p>Data distribution setting that causes asynchronous distribution operations, which return without waiting for a response from other caches. This scope produces the best performance, but is prone to race conditions.</p>
<h2 id="entry"><a id="glossary__section_5D8ED880C9BD4062BE6F0404B28FA005" class="no-quick-link"></a>entry</h2>
<p>A data object in a region consisting of a key and a value. The value is either null (invalid) or a Java object. A region entry knows what region it is in. An entry can have an application-defined user attribute. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_CDA009928A3041F2AEE914F7BD3590C7">region data</a>, <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_1B630E274E6B45D2850A405276A39307">entry key</a>, and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_C79B084B7945436C89518D64E75E1D8E">entry value</a>.</p>
<h2 id="entry-key"><a id="glossary__section_1B630E274E6B45D2850A405276A39307" class="no-quick-link"></a>entry key</h2>
<p>The unique identifier for an entry in a region.</p>
<h2 id="entry-value"><a id="glossary__section_C79B084B7945436C89518D64E75E1D8E" class="no-quick-link"></a>entry value</h2>
<p>The data contained in an entry.</p>
<h2 id="event"><a id="glossary__section_2AF9B98BC1CA402A9F24E552EE9C9ACF" class="no-quick-link"></a>event</h2>
<p>An action recognized by the Geode system members, which can respond by executing callback methods. The Geode API produces two types of events: cache events for detail-level management of applications with data caches and administrative events for higher-level management of the distributed system and its components. An operation can produce administrative events, cache events, or both.</p>
<h2 id="eviction-attributes"><a id="glossary__section_1B57CC3632B843AA89CB321489C3B91C" class="no-quick-link"></a>eviction-attributes</h2>
<p>Region attribute that causes the cache to limit the size of the region by removing old entries to make space for new ones.</p>
<h2 id="expiration"><a id="glossary__section_FA56C0CD24254B18B6B428BAD00F45D0" class="no-quick-link"></a>expiration</h2>
<p>A cached object expires when its time-to-live or idle timeout counters are exhausted. A region has one set of expiration attributes for itself and one set for all of its entries.</p>
<h2 id="expiration-action"><a id="glossary__section_5ADAA5E628FB421999C286D38A2AA1DD" class="no-quick-link"></a>expiration action</h2>
<p>The action to be taken when a cached object expires. The expiration action specifies whether the object is to be invalidated or destroyed and whether the action is to be performed only in the local cache or throughout the distributed system. A destroyed object is completely removed from the cache. A region is invalidated by invalidating all entries contained in the region. An entry is invalidated by having its value marked as invalid. Region.getEntry.getValue returns null for an invalid entry.</p>
<p>In Geode, expiration attributes are set at the region level for the region and at the entry level for entries. See also idle timeout and time-to-live.</p>
<h2 id="factory-method"><a id="glossary__section_5CFFD2274BAD4A73849B3AA854BA4661" class="no-quick-link"></a>factory method</h2>
<p>An interface for creating an object which at creation time can let its subclasses decide which class to instantiate. The factory method helps instantiate the appropriate subclass by creating the correct object from a group of related classes.</p>
<h2 id="forced-disconnect"><a id="glossary__section_87AAD34154CB49C4A47B88FFDAAFE690" class="no-quick-link"></a>forced disconnect</h2>
<p>Forcible removal of a member from membership without the member’s consent.</p>
<h2 id="gateway-receiver"><a id="glossary__section_A4B70DE75E364C4796B1ADA75A09E935" class="no-quick-link"></a>gateway receiver</h2>
<p>A gateway receiver defines connection information for receiving region events that were distributed from a gateway sender in a multi-site deployment.</p>
<h2 id="gateway-sender"><a id="glossary__section_1AAED2CD15094B2FBE7B6064176884CD" class="no-quick-link"></a>gateway sender</h2>
<p>A gateway sender defines a single remote distributed system site and an associated queue for distributing region events in a multi-site deployment.</p>
<h2 id="gemfire.properties"><a id="glossary__section_B7B1440197B84F72B1145A44032768C4" class="no-quick-link"></a>gemfire.properties</h2>
<p>Common name for the file used for distributed system configuration, including system member connection and communication behavior, logging and statistics files and settings, and security settings. Applications can also configure the distributed system through the Geode Java APIs. You can give this file any name.</p>
<h2 id="global-scope"><a id="glossary__section_6838A6C252464E94965F05E285A94689" class="no-quick-link"></a>global scope</h2>
<p>Data distribution setting that provides locking across the distributed system for load, create, put, invalidate, and destroy operations on the region and its entries. This scope is the slowest, but it guarantees consistency across the distributed system.</p>
<h2 id="global-transaction"><a id="glossary__section_CDA3C2530A74433CBE0204D588C237AC" class="no-quick-link"></a>global transaction</h2>
<p>A JTA-controlled transaction in which multiple resources, such as the Geode cache and a JDBC database connection, participate. JTA coordinates the completion of the transaction with each of the transaction’s resources. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_2B4ADA311CA946839F3E8F3B071D4E74">JTA</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_cache_transaction">cache transaction</a>.</p>
<h2 id="http"><a id="glossary__section_46D4C19244A3481290BF5C54E4DFE951" class="no-quick-link"></a>HTTP</h2>
<p>World Wide Web’s Hypertext Transfer Protocol. A standard protocol used to request and transmit information over the Internet or other computer network.</p>
<h2 id="idle-timeout"><a id="glossary__section_F47AA14129D547A1902ABB187FB2C5C6" class="no-quick-link"></a>idle timeout</h2>
<p>The amount of time a region or region entry may remain in the cache without being accessed before being expired. Access to an entry includes any get operation and any operation that resets the entry’s time-to-live counter. Region access includes any operation that resets an entry idle timeout and any operation that resets the region’s time-to-live.</p>
<p>Idle timeout attributes are set at the region level for the region and at the entry level for entries. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_5FAE668DDCBE4DAAA8484D1AF7B56BA1">time-to-live</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_5ADAA5E628FB421999C286D38A2AA1DD">expiration action</a>.</p>
<h2 id="initial-capacity"><a id="glossary__section_63AEBDFB0E8D40F997CEB0AA8FCEF9D9" class="no-quick-link"></a>initial capacity</h2>
<p>Region attribute. The initial capacity of the map used for storing region entries.</p>
<h2 id="invalid"><a id="glossary__section_BF6876F505F041BFB659CEBB90FD3EB0" class="no-quick-link"></a>invalid</h2>
<p>The state of an object when the cache holding it does not have the current value of the object.</p>
<h2 id="invalidate"><a id="glossary__section_D495B444E5CF4BDFB47BEA591717D6F5" class="no-quick-link"></a>invalidate</h2>
<p>Distributed: To mark an object as being invalid across the distributed cache.</p>
<p>Local: To mark an object as being invalid in the local cache only.</p>
<h2 id="jdbc"><a id="glossary__section_CD699284896148BA9FEB9E5FC0219473" class="no-quick-link"></a>JDBC</h2>
<p>Java DataBase Connectivity. A programming interface that lets Java applications access a database via the SQL language.</p>
<h2 id="jmx"><a id="glossary__section_32730D08B6BA4C02A3FE8F164449437E" class="no-quick-link"></a>JMX</h2>
<p>Java Management eXtensions. A set of specifications for dynamic application and network management in the J2EE development and application environment.</p>
<h2 id="jndi"><a id="glossary__section_979B07C140C2480CAC56D7AE3D0F1402" class="no-quick-link"></a>JNDI</h2>
<p>Java Naming and Directory Interface. An interface to naming and directory services for Java applications. Applications can use JNDI to locate data sources, such as databases to use in global transactions. Geode allows its JNDI to be configured in a <code>cache.xml</code> configuration file.</p>
<h2 id="jta"><a id="glossary__section_2B4ADA311CA946839F3E8F3B071D4E74" class="no-quick-link"></a>JTA</h2>
<p>Java Transaction API. The local Java interfaces between a transaction manager (JTS) and the parties involved in a global transaction. Geode can be a member of a JTA global transaction. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_CDA3C2530A74433CBE0204D588C237AC">global transaction</a>.</p>
<h2 id="jvm"><a id="glossary__section_731F788890994955863C24BF1FED7F56" class="no-quick-link"></a>JVM</h2>
<p>Java Virtual Machine. A virtual machine capable of handling Java bytecode.</p>
<h2 id="key-constraint"><a id="glossary__section_28D0F94F67CA4976A837210B21941A42" class="no-quick-link"></a>key constraint</h2>
<p>Enforcing a specific entry key type. The key-constraint region attribute, when set, constrains the entries in the region to keys of the specified object type.</p>
<h2 id="listener"><a id="glossary__section_62EFBE99B8FD4B0FBF4C766973720318" class="no-quick-link"></a>listener</h2>
<p>An event handler. The listener registers its interest in one or more events, such as region entry updates, and is notified when the events occur.</p>
<h2 id="load-factor"><a id="glossary__section_FEC5A706B30741AF9305678DD840846E" class="no-quick-link"></a>load factor</h2>
<p>Region attribute. The load factor of the map used for storing entries.</p>
<h2 id="local"><a id="glossary__section_598D82A75D9842438BB934E01E77266E" class="no-quick-link"></a>local</h2>
<p>Local cache: The part of the distributed cache that is resident in the current member’s memory. This term is used to differentiate the cache where a specific operation is being performed from other caches in the same distributed system or in another distributed system. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_CC864725C0014791805D2549D87DA545">remote</a>.</p>
<p>Region with local scope: A region whose scope is set to local. This type of region does not distribute anything with other members in the distributed system.</p>
<p>Region shortcuts: In the RegionShortcut and settings, LOCAL means the scope is set to local. All client regions have local scope. In the ClientRegionShortcut settings, LOCAL means the region does not connect to the client’s servers.</p>
<h2 id="local-scope"><a id="glossary__section_6EF84234B9A4453299A218BE10DA516F" class="no-quick-link"></a>local scope</h2>
<p>Data distribution setting that keeps data private and visible only to threads running within the local member. A region with local scope is completely contained in the local cache. Client regions are automatically given local scope.</p>
<h2 id="locator"><a id="glossary__section_32B3520764624A87976126603BC8AFE6" class="no-quick-link"></a>locator</h2>
<p>Geode process that tracks system members and provides current membership information to joining members so they can establish communication. For server systems, the locator also tracks servers and server load and, when a client requests a server connection, the locator sends the client to one of the least loaded servers. .</p>
<h2 id="lru"><a id="glossary__section_AED421A3C46349168730605059F9B2B0" class="no-quick-link"></a>LRU</h2>
<p>Least recently used. Used to refer to region entry or entries most eligible for eviction due to lack of interest by client applications. Geode offers eviction controllers that use the LRU status of a region’s entries to determine which to evict to free up space. Possible eviction actions are local destroy and overflow. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_A8EA732962854C499CA06CAD40084AA2">resource manager</a>.</p>
<h2 id="machine"><a id="glossary__section_ACCE0EBD75C64DEA9563ECA18802E3EC" class="no-quick-link"></a>machine</h2>
<p>Any Geode-supported physical machine or Virtual Machine.</p>
<h2 id="member"><a id="glossary__section_51E160ED7FEF40469FD3D6BA80792393" class="no-quick-link"></a>member</h2>
<p>A process that has defined a connection to a Geode distributed system and created a Geode cache. This can be a Java or Native Client application. This can also be a Geode process such as a locator or cacheserver. The minimal Geode process configuration is a single member that is connected to a distributed system.</p>
<h2 id="message-queue"><a id="glossary__section_B43A3D6E64AF487480B32B78567C06E7" class="no-quick-link"></a>message queue</h2>
<p>A first-in, first-out data structure in a Geode system member that stores messages for distribution in the same order that the original operations happened in the local member. Each thread has its own queue. Depending on the kind of queue, the messages could be going between two members of a distributed system, a client and server, or two members in different distributed systems. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_3FEC7A097CE247299F47EA209C5F91B8">conflation</a>.</p>
<h2 id="mirroring"><a id="glossary__section_012843121ADE4BB883151BA8C8425C6C" class="no-quick-link"></a>mirroring</h2>
<p>See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_9B9E43530AD3486BB1B5EB035B0CED73">replicate</a>.</p>
<h2 id="multicast"><a id="glossary__section_66112989304F4BE6B48C47B0BB535724" class="no-quick-link"></a>multicast</h2>
<p>A form of UDP communications where a datagram is sent to multiple processes in one network operation.</p>
<h2 id="named-region-attributes"><a id="glossary__section_3C8EB8194A494BF2978CC0495C3B3443" class="no-quick-link"></a>named region attributes</h2>
<p>Region attributes that are stored in the member memory and can be retrieved through their region attributes refid setting. Geode provides standard predefined named region attributes, that are stored using region shortcut refids. You can use any stored attributes that you wish, setting an id when you create them and using the id setting in the refid you want to use to retrieve them.</p>
<h2 id="netload"><a id="glossary__section_BFFF4BF9D6414AA392F7AEAC1256C112" class="no-quick-link"></a>netLoad</h2>
<p>The method used by Geode to load an entry value into a distributed region. The netLoad operation invokes all remote cache loaders defined for the region until either the entry value is successfully loaded or all loaders have been tried.</p>
<h2 id="netsearch"><a id="glossary__section_B9B118509831405D9AB4069503119DFB" class="no-quick-link"></a>netSearch</h2>
<p>The method used by Geode to search remote caches for a data entry that is not found in the member’s local cache region. This method operates only on distributed regions with a data-policy of empty, normal and preloaded.</p>
<h2 id="netwrite"><a id="glossary__section_3B75FF1066664923B2C9A61BDA133559" class="no-quick-link"></a>netWrite</h2>
<p>The method used by Geode to invoke a cache writer for region and region entry events. This method operates only on distributed regions. For each event, if any cache writer is defined for the region, the netWrite operation invokes exactly one of them.</p>
<h2 id="network-partitioning"><a id="glossary__section_ECBDD95CCC6445B2ADDFC8F4010BD459" class="no-quick-link"></a>network partitioning</h2>
<p>A situation that arises from a communications partition that causes processes to become unaware of one another.</p>
<h2 id="oql"><a id="glossary__section_481A0A6447C94013B53A0C662D6A0EF4" class="no-quick-link"></a>OQL</h2>
<p>Object Query Language, SQL-92 extended for querying object data. Geode supports a subset of OQL.</p>
<h2 id="off-heap-memory">off-heap memory</h2>
<p>Memory that is not on the standard Java heap and that is not managed by the JVM and its garbage collector.</p>
<h2 id="overflow"><a id="glossary__section_7280947960B243108B9C0764EE5BB678" class="no-quick-link"></a>overflow</h2>
<p>Eviction option for eviction controllers. This causes the values of LRU entries to be moved to disk when the region reaches capacity. Writes are performed according to the cache disk-store configuration.</p>
<h2 id="oplog-/-operation-log"><a id="glossary__section_F583E7A1E181482190E73CE03A205090" class="no-quick-link"></a>oplog / operation log</h2>
<p>The files in a disk-store used for the cache operations.</p>
<h2 id="partition"><a id="glossary__section_A8F0CD8F7EA94FBC8BF954A8A8EEC8E5" class="no-quick-link"></a>partition</h2>
<p>The memory in each member that is reserved for a specific partitioned region’s use.</p>
<h2 id="partitioned-region"><a id="glossary__section_297905699D6A47C1BF456651582C2D69" class="no-quick-link"></a>partitioned region</h2>
<p>A region that manages large volumes of data by partitioning it into manageable chunks and distributing it across multiple machines. Defining partition attributes or setting the region attribute data-policy to partition makes the region a partitioned region.</p>
<h2 id="peer"><a id="glossary__section_B291531710DE4C0FA9D98263C6756AAB" class="no-quick-link"></a>peer</h2>
<p>A Geode member application that is not configured as a client. Peer configuration uses the &lt;cache&gt; <code>cache.xml</code> element and the Cache API. Peers can also be configured as servers to client applications and as gateway-receivers or gateway-senders to remote distributed systems.</p>
<h2 id="persistent-region"><a id="glossary__section_244F67CD366141858D3B3771E3E58889" class="no-quick-link"></a>persistent region</h2>
<p>A region with the attribute data-policy set to persistent-replicate.</p>
<h2 id="persistent-partition"><a id="glossary__section_9B0A50A73A5A4B02A18E9557BF73A6B9" class="no-quick-link"></a>persistent-partition</h2>
<p>A region attribute setting identifying a region as a partitioned region whose data is persisted to disk. With persistence, all region entry keys and values are stored in an operation log on disk as well as being stored in memory. Also referred to as disk region. Writes are performed according to the cache disk-store configuration.</p>
<h2 id="persistent-replicate"><a id="glossary__section_A600283F2A314BB5A06E2FBE55BD74EE" class="no-quick-link"></a>persistent-replicate</h2>
<p>A region attribute setting identifying a region as a replicate whose data is persisted to disk. With persistence, all region entry keys and values are stored in an operation log on disk as well as being stored in memory. Also referred to as disk region. Writes are performed according to the cache disk-store configuration.</p>
<h2 id="producer"><a id="glossary__section_8742E7E064364DED98D4D399B98DBCF3" class="no-quick-link"></a>producer</h2>
<p>A Geode member process that puts data into the cache for consumption by other members. Producers may be configured with empty regions, where the data they put into the cache is not stored locally, but causes cache update events to be sent to other members. This is a common configuration in peer members and for client processes. See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_32D2C413690A4F44BA8F7B0F2AF3CD1A">consumer</a>.</p>
<h2 id="pull-model"><a id="glossary__section_900E459B58914FBFB20480F722F4F46E" class="no-quick-link"></a>pull model</h2>
<p>Data distribution model where each process receives updates only for the data in which the process has explicitly expressed interest. In a Geode peer member, this is accomplished using a distributed, non-replicated region and creating the data entries that are of interest in the local region. When updates happen for the region in remote caches, the only updates that are forwarded to the local cache are those for entries that are already defined in the local cache. In a Geode client, you get pull behavior by specifically subscribing to the entries of interest. See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_B8D00D2F5F574FB4B8D082FA62384D9F">push model</a>.</p>
<h2 id="push-model"><a id="glossary__section_B8D00D2F5F574FB4B8D082FA62384D9F" class="no-quick-link"></a>push model</h2>
<p>Data distribution model where each process receives updates for everything in the data set. In a Geode peer member, this is accomplished using a replicated region. All data modifications, creations, and deletes in remote caches are pushed to the replicated region. In a Geode client, you get push behavior by registering interest in all keys in the region. See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_900E459B58914FBFB20480F722F4F46E">pull model</a>.</p>
<h2 id="query-string"><a id="glossary__section_1C769F32BEFD4760B325D7B0730E878C" class="no-quick-link"></a>query string</h2>
<p>A fully-formed SQL statement that can be passed to a query engine and executed against a data set. A query string may or may not contain a SELECT statement.</p>
<h2 id="race-condition"><a id="glossary__section_6F3899F6F9CB41668471CFB931D33F4B" class="no-quick-link"></a>race condition</h2>
<p>Anomalous behavior caused by the unexpected dependence on the relative timing of events. Race conditions often result from incorrect assumptions about possible ordering of events.</p>
<h2 id="range-index"><a id="glossary__section_E21653B0F7CD4E7E9C51731EB0362228" class="no-quick-link"></a>range-index</h2>
<p>An XPath index optimized for range-queries with the added index maintenance expense of sorting the set of values. A range index allows faster retrieval of the set of nodes with values in a certain range. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_78C4D8B8C40E4A5688F2426A3F46A234">structure-index</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_927F5452A1C840B9BFA119693CA5B26F">value-index</a>.</p>
<h2 id="region"><a id="glossary__section_601C6D4BA8384E8EB245421BDEE1CBDF" class="no-quick-link"></a>region</h2>
<p>A logical grouping of data within a cache. Regions usually contain data entries (see <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_5D8ED880C9BD4062BE6F0404B28FA005">entry</a>). Each region has a set of region attributes governing activities such as expiration, distribution, data loading, events, and capacity control. In addition, a region can have an application-defined user attribute.</p>
<h2 id="region-attributes"><a id="glossary__section_7398A81EE9034E7FBDF7B592314586B3" class="no-quick-link"></a>region attributes</h2>
<p>The class of attributes governing the creation, distribution, and management of a region and its entries.</p>
<h2 id="region-data"><a id="glossary__section_CDA009928A3041F2AEE914F7BD3590C7" class="no-quick-link"></a>region data</h2>
<p>All of the entries directly contained in the region.</p>
<h2 id="region-entry"><a id="glossary__section_35F856172C7A4FD89BA3873750B41605" class="no-quick-link"></a>region entry</h2>
<p>See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_5D8ED880C9BD4062BE6F0404B28FA005">entry</a>.</p>
<h2 id="region-shortcut"><a id="glossary__section_982788E772C540368610D43AF4AF6046" class="no-quick-link"></a>region shortcut</h2>
<p>Enums RegionShortcut and ClientRegionShortcut defining the main region types in Geode for peers/servers and clients, respectively. Region shortcuts are predefined named region attributes.</p>
<h2 id="remote"><a id="glossary__section_CC864725C0014791805D2549D87DA545" class="no-quick-link"></a>remote</h2>
<p>Resident or running in a cache other than the current member’s cache, but connected to the current member’s cache through Geode. For example, if a member does not have a data entry in the region in its local cache, it can do a netSearch in an attempt to retrieve the entry from the region in a remote cache within the same distributed system. Or, if the member is a client, it can send a request to a server in an attempt to retrieve the entry from the region in a remote server cache in the server’s distributed system. In multi-site installations, a gateway sends events from the local cache to remote caches in other distributed systems. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_598D82A75D9842438BB934E01E77266E">local</a>.</p>
<h2 id="replicated-region"><a id="glossary__section_90D41320BD05471D81382209A4D5F4D8" class="no-quick-link"></a>replicated region</h2>
<p>A region with data-policy set to replicate or persistent-replicate.</p>
<h2 id="replicate"><a id="glossary__section_9B9E43530AD3486BB1B5EB035B0CED73" class="no-quick-link"></a>replicate</h2>
<p>Region data-policy specification indicating to copy all distributed region data into the local cache at region creation time and to keep the local cache consistent with the distributed region data.</p>
<h2 id="resource-manager"><a id="glossary__section_A8EA732962854C499CA06CAD40084AA2" class="no-quick-link"></a>resource manager</h2>
<p>Geode process that works with your JVM’s tenured garbage collection (GC) to control heap use and protect your JVM from hangs and crashes due to memory overload. The manager prevents the cache from consuming too much memory by evicting old data and, if the collector is unable to keep up, by refusing additions to the cache until the collector has freed an adequate amount of memory. Eviction is done for regions configured for LRU eviction based on heap percentage. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_AED421A3C46349168730605059F9B2B0">LRU</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_1B57CC3632B843AA89CB321489C3B91C">eviction-attributes</a>.</p>
<h2 id="rollback"><a id="glossary__section_82276B0AED4543518C98E173C1528735" class="no-quick-link"></a>rollback</h2>
<p>A transactional operation that excludes a transaction’s changes from the cache, leaving the cache undisturbed.</p>
<h2 id="scope"><a id="glossary__section_4EFDFCCA6AA84AEB9B96E3D0345AD910" class="no-quick-link"></a>scope</h2>
<p>Region attribute: In non-partitioned regions, a distribution property for data identifying whether it is distributed and, if so, whether distribution acknowledgements are required and whether distributed synchronization is required. A distributed region’s cache loader and cache writer (defined in the local cache) can be invoked for operations originating in remote caches. A region that is not distributed has a local scope. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_9B9E43530AD3486BB1B5EB035B0CED73">replicate</a>.</p>
<p>Querying: The data context for the part of the query currently under evaluation. The expressions in a SELECT statement’s FROM clause can add to the data that is in scope in the query.</p>
<h2 id="select-statement"><a id="glossary__section_C9C6FDAD0D7846F5BC794C7D29E2524A" class="no-quick-link"></a>SELECT statement</h2>
<p>A statement of the form SELECT projection_list FROM expressions WHERE expressions that can be passed to the query engine, parsed, and executed against data in the local cache.</p>
<h2 id="serialization"><a id="glossary__section_68A1E3D86A8D4FD0834A5030C36840D4" class="no-quick-link"></a>serialization</h2>
<p>The process of converting an object or object graph to a stream of bytes.</p>
<h2 id="server"><a id="glossary__section_24A690A7422E460EB61D3B95795A89F0" class="no-quick-link"></a>server</h2>
<p>A Geode member application that is configured as a peer in its own system and as a server to connecting Geode client applications.</p>
<h2 id="server-group"><a id="glossary__section_3A6AB71E3D844134AB8B51D676F84AEE" class="no-quick-link"></a>server group</h2>
<p>An optional logical grouping of servers in a server distributed system. There is always the default server group made up of all available server in the server distributed system. Clients can specify the server group in their server pool configuration. Then the pool only connects to those servers. If no group is specified, the default is used.</p>
<h2 id="server-connection-pool"><a id="glossary__section_C344F00B5D234CD8A44DD8814ACBD165" class="no-quick-link"></a>server connection pool</h2>
<p>The cache entity that manages client connections to servers.</p>
<h2 id="socket"><a id="glossary__section_344B1F6D6E79455788D593600732AD6F" class="no-quick-link"></a>socket</h2>
<p>The application interface for TCP/IP communications. UDP provides unicast and multicast datagram sockets, while TCP provides server and connection sockets. TCP server sockets are used by server processes to create connection sockets between the server and a client.</p>
<h2 id="sql"><a id="glossary__section_CE71B3F4A6374257B88A357736DAE07A" class="no-quick-link"></a>SQL</h2>
<p>Structured Query Language.</p>
<h2 id="ssl"><a id="glossary__section_7CBAA2DDAA9E45B99537BE3638E3B3DB" class="no-quick-link"></a>SSL</h2>
<p>Secure Socket Layer. A protocol for secure communication between Java VMs.</p>
<h2 id="standalone-distributed-system"><a id="glossary__section_D7E92873D90C4D698E812BA9DCB85392" class="no-quick-link"></a>standalone distributed system</h2>
<p>A distributed system configured for no communication with peers. Client applications are generally defined with standalone distributed systems, so there is no peer communication and all event and data communication is done between the client member and the server tier.</p>
<h2 id="statistics-enabled"><a id="glossary__section_6215C25884CB4E68BECEEED11E7F7FA1" class="no-quick-link"></a>statistics enabled</h2>
<p>Region attribute. Specifies whether to collect statistics for the region.</p>
<h2 id="struct"><a id="glossary__section_78D2AEF29750400E9F3703B5ABFD6AED" class="no-quick-link"></a>struct</h2>
<p>A data type that has a fixed number of elements, each of which has a field name and can contain an object value.</p>
<h2 id="structure-index"><a id="glossary__section_78C4D8B8C40E4A5688F2426A3F46A234" class="no-quick-link"></a>structure-index</h2>
<p>An XPath index that is basically a pre-computed query. Any legal XPath expression can be used. The index maintains lists of all nodes that match the expression used to create it. If a query is performed that has the same expression as the index then the result is available without XPath evaluation. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_E21653B0F7CD4E7E9C51731EB0362228">range-index</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_927F5452A1C840B9BFA119693CA5B26F">value-index</a>.</p>
<h2 id="system-member"><a id="glossary__section_DAE92AE0BD1F44188F419A1DE7FBF671" class="no-quick-link"></a>system member</h2>
<p>See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_ACCE0EBD75C64DEA9563ECA18802E3EC">member</a>.</p>
<h2 id="tcp"><a id="glossary__section_574E58CDEB9D4E93B0F042883A780B74" class="no-quick-link"></a>TCP</h2>
<p>The Transmission Control Protocol is a part of the internet protocol (IP) suite that provides unicast communications with guaranteed delivery. The TCP protocol is connection-based, meaning that a TCP socket can only be used to send messages between one pair of processes at a time. Compare to <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_DB1CE436E9A4430E8B0E8C8AFE13D780">UDP</a>.</p>
<h2 id="timeout"><a id="glossary__section_311C7AE4126A4B1899D6EA1C4E804F57" class="no-quick-link"></a>timeout</h2>
<p>A behavior associated with synchronization functions. Timeout behavior is exhibited as refusal to wait longer than a specified time for a signal to proceed. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_D86690A5E9B444CE969AB6D92BC25127">blocking</a>.</p>
<h2 id="time-to-live"><a id="glossary__section_5FAE668DDCBE4DAAA8484D1AF7B56BA1" class="no-quick-link"></a>time-to-live</h2>
<p>The amount of time a region or region entry may remain in the cache without being modified before being expired. Entry modification includes creation, update, and removal. Region modification includes creation, update, or removal of the region or of any of its entries.</p>
<p>Time-to-live attributes are set at the region level for the region and at the entry level for entries. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_F47AA14129D547A1902ABB187FB2C5C6">idle timeout</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_5ADAA5E628FB421999C286D38A2AA1DD">expiration action</a>.</p>
<h2 id="transaction"><a id="glossary__section_14E906988DCF4ED4970F042C6FF4270E" class="no-quick-link"></a>transaction</h2>
<p>See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_cache_transaction">cache transaction</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_CDA3C2530A74433CBE0204D588C237AC">global transaction</a>.</p>
<h2 id="transaction-listener"><a id="glossary__section_E61321FA86384399AD7A8A7CF0D890AD" class="no-quick-link"></a>transaction listener</h2>
<p>User-implemented plug-in for receiving and handling transaction events. A transaction listener is called after a transaction commits. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_2D8954C87A83480799694F72CC82D206">transaction writer</a>.</p>
<h2 id="transaction-writer"><a id="glossary__section_2D8954C87A83480799694F72CC82D206" class="no-quick-link"></a>transaction writer</h2>
<p>User-implemented plug-in intended for synchronizing the cache with an outside data source. A transaction writer is a synchronous listener to cache transactions. The transaction writer has the ability to veto a transaction. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_E61321FA86384399AD7A8A7CF0D890AD">transaction listener</a>.</p>
<h2 id="transactional-view"><a id="glossary__section_ABDC26632C2D46B5B7AE726AD23DB278" class="no-quick-link"></a>transactional view</h2>
<p>The result of a history of transactional operations for a given open transaction.</p>
<h2 id="transport-layer"><a id="glossary__section_975C7D9AC377453B96F2DEC3B341C644" class="no-quick-link"></a>transport layer</h2>
<p>The network used to connect the Geode system members in a Geode system.</p>
<h2 id="ttl"><a id="glossary__section_94B886825B1640269017386D5731A086" class="no-quick-link"></a>TTL</h2>
<p>See <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_5FAE668DDCBE4DAAA8484D1AF7B56BA1">time-to-live</a>.</p>
<h2 id="udp"><a id="glossary__section_DB1CE436E9A4430E8B0E8C8AFE13D780" class="no-quick-link"></a>UDP</h2>
<p>The User Datagram Protocol is a part of the internet protocol (IP) suite that provides simple, unreliable transmission of datagram messages from one process to another. Reliability must be implemented by applications using UDP. The UDP protocol is connectionless, meaning that the same UDP socket can be used to send or receive messages to or from more than one process. Compare to <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_574E58CDEB9D4E93B0F042883A780B74">TCP</a>.</p>
<h2 id="unicast"><a id="glossary__section_9EF1D3F165554BF2BA8C4A8BFC2AA9E1" class="no-quick-link"></a>unicast</h2>
<p>A message sent from one process to another process (point-to-point communications). Both UDP and TCP provide unicast messaging.</p>
<h2 id="uri"><a id="glossary__section_FB9A30181A9A481594848CABA28EE1FC" class="no-quick-link"></a>URI</h2>
<p>Uniform Resource Identifier. A unique identifier for abstract or physical resources on the World Wide Web.</p>
<h2 id="user-attribute"><a id="glossary__section_6D2DED48DC5D464CA4959668C3BA38D5" class="no-quick-link"></a>user attribute</h2>
<p>An optional object associated with a region or a data entry where an application can store data about the region or entry. The data is accessed by the application only. Geode does not use these attributes. Compare to region attributes, which are used by Geode.</p>
<h2 id="value-constraint"><a id="glossary__section_8386E2FB49424CA4B5F0343F9E6A04E5" class="no-quick-link"></a>value constraint</h2>
<p>Enforcing a specific entry value type. The value-constraint region attribute, when set, constrains the entries in the region to values of the specified object type. Value constraints can be used to provide object typing for region querying and indexing. The value-constraint is only checked in the cache that does the entry put or create operation. When the entry is distributed to other caches, the value constraint is not checked.</p>
<h2 id="value-index"><a id="glossary__section_927F5452A1C840B9BFA119693CA5B26F" class="no-quick-link"></a>value-index</h2>
<p>An XPath index that operates much as a structure-index does, but that separates the nodes that match the XPath expression into sets mapped by each node’s value. This allows further filtering of the nodes to be evaluated in a query by going directly to those with a specific value. See also <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_78C4D8B8C40E4A5688F2426A3F46A234">structure-index</a> and <a href="/docs/guide/15/reference/topics/glossary.html#glossary__section_E21653B0F7CD4E7E9C51731EB0362228">range-index</a>.</p>
<h2 id="view"><a id="glossary__section_01EEADCCE78645829342A441E7524857" class="no-quick-link"></a>view</h2>
<p>A collection of member identifiers that defines the membership group.</p>
<h2 id="virtual-machine"><a id="glossary__section_E49E2FFF34FC4B2A9E3FF1FF77DCE5DF" class="no-quick-link"></a>Virtual Machine</h2>
<p>A completely isolated operating system installation within your normal operating system. This is generally implemented by software emulation or hardware virtualization.</p>
<h2 id="vmware-virtual-machine"><a id="glossary__section_754A470EEE424D42A9981D068936631B" class="no-quick-link"></a>VMware virtual machine</h2>
<p>Also referred to as a VMware VM. A VMware VM is a tightly isolated software container that can run its own operating systems and applications as if it were a physical computer. A VMware VM behaves exactly like a physical computer and contains it own virtual (ie, software-based) CPU, RAM hard disk and network interface card (NIC). An operating system can&rsquo;t tell the difference between a VMware VM and a physical machine, nor can applications or other computers on a network. Even the VMware VM thinks it is a &ldquo;real&rdquo; computer. Nevertheless, a VMware VM is composed entirely of software and contains no hardware components whatsoever.</p>
<h2 id="xml"><a id="glossary__section_B7758E29850D459DA197C0FDF25508E1" class="no-quick-link"></a>XML</h2>
<p>EXtensible Markup Language. An open standard for describing data, XML is a markup language similar to HTML. Both are designed to describe and transform data, but where HTML uses predefined tags, XML allows tags to be defined inside the XML document itself. Thus, virtually any data item can be identified. The XML programmer creates and implements data-appropriate tags whose syntax is defined in a DTD file or an XSD (XML schema definition.)</p>
<h2 id="xml-schema-definition"><a id="glossary__section_B65D71221D6F4F02B829EE4DB12FFCAB" class="no-quick-link"></a>XML schema definition</h2>
<p>The definition of the structure, content, and semantics used in an XML document. The definition can be used to verify that each item of content in a document adheres to the specification of the element in which the content is placed. The XML schema is a superset of DTD. Unlike DTD, XML schemas are written in XML syntax, which, although more verbose than DTD, are more descriptive and can have stronger typing. Files containing XML schema definitions generally have the XSD extension.</p>
<h2 id="xpath"><a id="glossary__section_36183B68888F4C49B5E5F36D16C12710" class="no-quick-link"></a>XPath</h2>
<p>A language that describes a way to locate and process items in Extensible Markup Language (XML) documents by using an addressing syntax based on a path through the document&rsquo;s logical structure or hierarchy.</p>
<h2 id="xsd">XSD</h2>
<p>See XML schema definition.</p>
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