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15.793-15.793 8.803 0 15.794 6.99 15.794 15.793 0 80.261 63.69 145.635 142.01 145.635s142.011-65.374 142.011-145.635c0-8.803 6.99-15.793 15.794-15.793s15.793 6.99 15.793 15.793c0 95.019-73.789 172.82-165.96 177.093z"></path></svg><span>About 3 min</span><meta property="timeRequired" content="PT3M"></span><!----><!----></div><hr></div><div class="vp-toc-placeholder"><aside id="toc"><!--[--><!----><!--]--><div class="vp-toc-header">On This Page<button type="button" class="print-button" title="Print"><svg xmlns="http://www.w3.org/2000/svg" class="icon print-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="print icon"><path d="M819.2 364.8h-44.8V128c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v236.8h-44.8C145.067 364.8 96 413.867 96 473.6v192c0 59.733 49.067 108.8 108.8 108.8h44.8V896c0 17.067 14.933 32 32 32h460.8c17.067 0 32-14.933 32-32V774.4h44.8c59.733 0 108.8-49.067 108.8-108.8v-192c0-59.733-49.067-108.8-108.8-108.8zM313.6 160h396.8v204.8H313.6V160zm396.8 704H313.6V620.8h396.8V864zM864 665.6c0 25.6-19.2 44.8-44.8 44.8h-44.8V588.8c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v121.6h-44.8c-25.6 0-44.8-19.2-44.8-44.8v-192c0-25.6 19.2-44.8 44.8-44.8h614.4c25.6 0 44.8 19.2 44.8 44.8v192z"></path></svg></button><div class="arrow end"></div></div><div class="vp-toc-wrapper"><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#environment-configuration-file-confignode-env-sh-bat">Environment Configuration File（confignode-env.sh/bat）</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#confignode-configuration-file-iotdb-confignode-properties">ConfigNode Configuration File (iotdb-confignode.properties)</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#config-node-rpc-configuration">Config Node RPC Configuration</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#consensus">Consensus</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#target-config-nodes">Target Config Nodes</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#directory-configuration">Directory configuration</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#thrift-rpc-configuration">Thrift RPC configuration</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#metric-configuration">Metric Configuration</a></li><!----><!--]--></ul></li><!--]--></ul><div class="vp-toc-marker" style="top:-1.7rem;"></div></div><!--[--><!----><!--]--></aside></div><!--[--><!----><!--]--><div class="theme-hope-content"><h1 id="confignode-configuration" tabindex="-1"><a class="header-anchor" href="#confignode-configuration"><span>ConfigNode Configuration</span></a></h1><p>IoTDB ConfigNode files are under <code>conf</code>.</p><ul><li><p><code>confignode-env.sh/bat</code>：Environment configurations, in which we could set the memory allocation of ConfigNode.</p></li><li><p><code>iotdb-confignode.properties</code>：IoTDB ConfigNode system configurations.</p></li></ul><h2 id="environment-configuration-file-confignode-env-sh-bat" tabindex="-1"><a class="header-anchor" href="#environment-configuration-file-confignode-env-sh-bat"><span>Environment Configuration File（<a href="http://confignode-env.sh/bat%EF%BC%89" target="_blank" rel="noopener noreferrer">confignode-env.sh/bat）<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a></span></a></h2><p>The environment configuration file is mainly used to configure the Java environment related parameters when ConfigNode is running, such as JVM related configuration. This part of the configuration is passed to the JVM when the ConfigNode starts.</p><p>The details of each parameter are as follows:</p><ul><li>MEMORY_SIZE</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">MEMORY_SIZE</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">The memory size that IoTDB ConfigNode will use when startup</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">The default is three-tenths of the memory, with a maximum of 16G.</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>ON_HEAP_MEMORY</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">ON_HEAP_MEMORY</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">The heap memory size that IoTDB ConfigNode can use, Former Name: MAX_HEAP_SIZE</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">Calculate based on MEMORY_SIZE.</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>OFF_HEAP_MEMORY</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">OFF_HEAP_MEMORY</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">The direct memory that IoTDB ConfigNode can use, Former Name: MAX_DIRECT_MEMORY_SIZE</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">Calculate based on MEMORY_SIZE.</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><h2 id="confignode-configuration-file-iotdb-confignode-properties" tabindex="-1"><a class="header-anchor" href="#confignode-configuration-file-iotdb-confignode-properties"><span>ConfigNode Configuration File (iotdb-confignode.properties)</span></a></h2><p>The global configuration of cluster is in ConfigNode.</p><h3 id="config-node-rpc-configuration" tabindex="-1"><a class="header-anchor" href="#config-node-rpc-configuration"><span>Config Node RPC Configuration</span></a></h3><ul><li>cn_internal_address</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_internal_address</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">ConfigNode internal service address</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">127.0.0.1</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">Only allowed to be modified in first start up</td></tr></tbody></table><ul><li>cn_internal_port</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_internal_port</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">ConfigNode internal service port</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">Short Int : [0,65535]</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">10710</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">Only allowed to be modified in first start up</td></tr></tbody></table><h3 id="consensus" tabindex="-1"><a class="header-anchor" href="#consensus"><span>Consensus</span></a></h3><ul><li>cn_consensus_port</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_consensus_port</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">ConfigNode data Consensus Port</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">Short Int : [0,65535]</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">10720</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">Only allowed to be modified in first start up</td></tr></tbody></table><h3 id="target-config-nodes" tabindex="-1"><a class="header-anchor" href="#target-config-nodes"><span>Target Config Nodes</span></a></h3><ul><li>cn_seed_config_node</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_seed_config_node</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Target ConfigNode address, for current ConfigNode to join the cluster</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">127.0.0.1:10710</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">Only allowed to be modified in first start up</td></tr></tbody></table><h3 id="directory-configuration" tabindex="-1"><a class="header-anchor" href="#directory-configuration"><span>Directory configuration</span></a></h3><ul><li>cn_system_dir</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_system_dir</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">ConfigNode system data dir</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">data/system（Windows：data\system）</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_consensus_dir</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_consensus_dir</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">ConfigNode Consensus protocol data dir</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">data/confignode/consensus（Windows：data\confignode\consensus）</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><h3 id="thrift-rpc-configuration" tabindex="-1"><a class="header-anchor" href="#thrift-rpc-configuration"><span>Thrift RPC configuration</span></a></h3><ul><li>cn_rpc_thrift_compression_enable</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_rpc_thrift_compression_enable</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Whether enable thrift&#39;s compression (using GZIP).</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">Boolean</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">false</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_rpc_thrift_compression_enable</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_rpc_thrift_compression_enable</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Whether enable thrift&#39;s compression (using GZIP).</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">Boolean</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">false</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_rpc_advanced_compression_enable</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_rpc_advanced_compression_enable</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Whether enable thrift&#39;s advanced compression.</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">Boolean</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">false</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_rpc_max_concurrent_client_num</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_rpc_max_concurrent_client_num</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Max concurrent rpc connections</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">Short Int : [0,65535]</td></tr><tr><td style="text-align:center;">Description</td><td style="text-align:left;">65535</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_thrift_max_frame_size</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_thrift_max_frame_size</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Max size of bytes of each thrift RPC request/response</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">Long</td></tr><tr><td style="text-align:center;">Unit</td><td style="text-align:left;">Byte</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">536870912</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_thrift_init_buffer_size</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_thrift_init_buffer_size</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Initial size of bytes of buffer that thrift used</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">long</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">1024</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_connection_timeout_ms</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_connection_timeout_ms</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Thrift socket and connection timeout between nodes</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">int</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">60000</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_selector_thread_nums_of_client_manager</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_selector_thread_nums_of_client_manager</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">selector thread (TAsyncClientManager) nums for async thread in a clientManager</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">int</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">1</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_core_client_count_for_each_node_in_client_manager</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_core_client_count_for_each_node_in_client_manager</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Number of core clients routed to each node in a ClientManager</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">int</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">200</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><ul><li>cn_max_client_count_for_each_node_in_client_manager</li></ul><table><thead><tr><th style="text-align:center;">Name</th><th style="text-align:left;">cn_max_client_count_for_each_node_in_client_manager</th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">Number of max clients routed to each node in a ClientManager</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">int</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">300</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting system</td></tr></tbody></table><h3 id="metric-configuration" tabindex="-1"><a class="header-anchor" href="#metric-configuration"><span>Metric 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