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| <h1>Apache Kudu 1.0 Release Notes</h1> |
| <div class="sect1"> |
| <h2 id="rn_1.0.1"><a class="link" href="#rn_1.0.1">Kudu 1.0.1 Release Notes</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Apache Kudu 1.0.1 is a bug fix release, with no new features or backwards |
| incompatible changes.</p> |
| </div> |
| <div class="sect2"> |
| <h3 id="rn_1.0.1_fixed_issues"><a class="link" href="#rn_1.0.1_fixed_issues">Fixed Issues</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="https://issues.apache.org/jira/browse/KUDU-1681">KUDU-1681</a> Fixed a bug in |
| the tablet server which could cause a crash when the DNS lookup during master |
| heartbeat failed.</p> |
| </li> |
| <li> |
| <p><a href="https://issues.apache.org/jira/browse/KUDU-1660">KUDU-1660</a>: Fixed a bug |
| which would cause the Kudu master and tablet server to fail to start on single |
| CPU systems.</p> |
| </li> |
| <li> |
| <p><a href="https://issues.apache.org/jira/browse/KUDU-1651">KUDU-1652</a>: Fixed a bug |
| that would cause the C++ client, tablet server, and Java client to crash or |
| throw an exception when attempting to scan a table with a predicate which |
| simplifies to <code>IS NOT NULL</code> on a non-nullable column. For instance, setting a |
| <code>⇐ 127</code> predicate on an <code>INT8</code> column could trigger this bug, since the |
| predicate only filters null values.</p> |
| </li> |
| <li> |
| <p><a href="https://issues.apache.org/jira/browse/KUDU-1651">KUDU-1651</a>: Fixed a bug |
| that would cause the tablet server to crash when evaluating a scan with |
| predicates over a dictionary encoded column containing an entire block of null |
| values.</p> |
| </li> |
| <li> |
| <p><a href="https://issues.apache.org/jira/browse/KUDU-1623">KUDU-1623</a>: Fixed a bug |
| that would cause the tablet server to crash when handling UPSERT operations |
| that only set values for the primary key columns.</p> |
| </li> |
| <li> |
| <p><a href="http://gerrit.cloudera.org:8080/4488">Gerrit #4488</a> Fixed a bug in the |
| Java client’s KuduException class which could cause an unexpected |
| NullPointerException to be thrown when the exception did not have an |
| associated message.</p> |
| </li> |
| <li> |
| <p><a href="https://issues.apache.org/jira/browse/KUDU-1090">KUDU-1090</a> Fixed a bug in |
| the memory tracker which could cause a rare crash during tablet server |
| startup.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="rn_1.0.0"><a class="link" href="#rn_1.0.0">Kudu 1.0.0 Release Notes</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>After approximately a year of beta releases, Apache Kudu has reached version 1.0. |
| This version number signifies that the development team feels that Kudu is stable |
| enough for usage in production environments.</p> |
| </div> |
| <div class="paragraph"> |
| <p>If you are new to Kudu, check out its list of <a href="index.html">features and benefits</a>.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="rn_1.0.0_new_features"><a class="link" href="#rn_1.0.0_new_features">New features</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Kudu 1.0.0 delivers a number of new features, bug fixes, and optimizations.</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Removal of multiversion concurrency control (MVCC) history is now supported. |
| This is known as tablet history GC. This allows Kudu to reclaim disk space, |
| where previously Kudu would keep a full history of all changes made to a |
| given table since the beginning of time. Previously, the only way to reclaim |
| disk space was to drop a table.</p> |
| <div class="paragraph"> |
| <p>Kudu will still keep historical data, and the amount of history retained is |
| controlled by setting the configuration flag <code>--tablet_history_max_age_sec</code>, |
| which defaults to 15 minutes (expressed in seconds). The timestamp |
| represented by the current time minus <code>tablet_history_max_age_sec</code> is known |
| as the ancient history mark (AHM). When a compaction or flush occurs, Kudu |
| will remove the history of changes made prior to the ancient history mark. |
| This only affects historical data; currently-visible data will not be |
| removed. A specialized maintenance manager background task to remove existing |
| "cold" historical data that is not in a row affected by the normal compaction |
| process will be added in a future release.</p> |
| </div> |
| </li> |
| <li> |
| <p>Most of Kudu’s command line tools have been consolidated under a new |
| top-level <code>kudu</code> tool. This reduces the number of large binaries distributed |
| with Kudu and also includes much-improved help output.</p> |
| </li> |
| <li> |
| <p>The Kudu Flume Sink now supports processing events containing Avro-encoded |
| records, using the new <code>AvroKuduOperationsProducer</code>.</p> |
| </li> |
| <li> |
| <p>Administrative tools including <code>kudu cluster ksck</code> now support running |
| against multi-master Kudu clusters.</p> |
| </li> |
| <li> |
| <p>The output of the <code>ksck</code> tool is now colorized and much easier to read.</p> |
| </li> |
| <li> |
| <p>The C++ client API now supports writing data in <code>AUTO_FLUSH_BACKGROUND</code> mode. |
| This can provide higher throughput for ingest workloads.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_optimizations_and_improvements"><a class="link" href="#_optimizations_and_improvements">Optimizations and improvements</a></h2> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>The performance of comparison predicates on dictionary-encoded columns has |
| been substantially optimized. Users are encouraged to use dictionary encoding |
| on any string or binary columns with low cardinality, especially if these |
| columns will be filtered with predicates.</p> |
| </li> |
| <li> |
| <p>The Java client is now able to prune partitions from scanners based on the |
| provided predicates. For example, an equality predicate on a hash-partitioned |
| column will now only access those tablets that could possibly contain matching |
| data. This is expected to improve performance for the Spark integration as well |
| as applications using the Java client API.</p> |
| </li> |
| <li> |
| <p>The performance of compaction selection in the tablet server has been |
| substantially improved. This can increase the efficiency of the background |
| maintenance threads and improve overall throughput of heavy write workloads.</p> |
| </li> |
| <li> |
| <p>The policy by which the tablet server retains write-ahead log (WAL) files has |
| been improved so that it takes into account other replicas of the tablet. |
| This should help mitigate the spurious eviction of tablet replicas on machines |
| that temporarily lag behind the other replicas.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_wire_protocol_compatibility"><a class="link" href="#_wire_protocol_compatibility">Wire protocol compatibility</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Kudu 1.0.0 maintains client-server wire-compatibility with previous releases. |
| Applications using the Kudu client libraries may be upgraded either |
| before, at the same time, or after the Kudu servers.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Kudu 1.0.0 does <em>not</em> maintain server-server wire compatibility with previous |
| releases. Therefore, rolling upgrades between earlier versions of Kudu and |
| Kudu 1.0.0 are not supported.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="rn_1.0.0_incompatible_changes"><a class="link" href="#rn_1.0.0_incompatible_changes">Incompatible changes in Kudu 1.0.0</a></h2> |
| <div class="sectionbody"> |
| <div class="sect2"> |
| <h3 id="_command_line_tools"><a class="link" href="#_command_line_tools">Command line tools</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>The <code>kudu-pbc-dump</code> tool has been removed. The same functionality is now |
| implemented as <code>kudu pbc dump</code>.</p> |
| </li> |
| <li> |
| <p>The <code>kudu-ksck</code> tool has been removed. The same functionality is now |
| implemented as <code>kudu cluster ksck</code>.</p> |
| </li> |
| <li> |
| <p>The <code>cfile-dump</code> tool has been removed. The same functionality is now |
| implemented as <code>kudu fs cfile dump</code>.</p> |
| </li> |
| <li> |
| <p>The <code>log-dump</code> tool has been removed. The same functionality is now |
| implemented as <code>kudu wal dump</code> and <code>kudu local_replica dump wals</code>.</p> |
| </li> |
| <li> |
| <p>The <code>kudu-admin</code> tool has been removed. The same functionality is now |
| implemented within <code>kudu table</code> and <code>kudu tablet</code>.</p> |
| </li> |
| <li> |
| <p>The <code>kudu-fs_dump</code> tool has been removed. The same functionality is now |
| implemented as <code>kudu fs dump</code>.</p> |
| </li> |
| <li> |
| <p>The <code>kudu-ts-cli</code> tool has been removed. The same functionality is now |
| implemented within <code>kudu master</code>, <code>kudu remote_replica</code>, and <code>kudu tserver</code>.</p> |
| </li> |
| <li> |
| <p>The <code>kudu-fs_list</code> tool has been removed and some similar useful |
| functionality has been moved under 'kudu local_replica'.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_configuration_flags"><a class="link" href="#_configuration_flags">Configuration flags</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Some configuration flags are now marked as 'unsafe' and 'experimental'. Such flags |
| are disallowed by default. Users may access these flags by enabling the additional |
| flags <code>--unlock_unsafe_flags</code> and <code>--unlock_experimental_flags</code>. Usage of such flags |
| is not recommended, as the flags may be removed or modified with no deprecation period |
| and without notice in future Kudu releases.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_client_apis_c_java_python"><a class="link" href="#_client_apis_c_java_python">Client APIs (C++/Java/Python)</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>The <code>TIMESTAMP</code> column type has been renamed to <code>UNIXTIME_MICROS</code> in order to |
| reduce confusion between Kudu’s timestamp support and the timestamps supported |
| by other systems such as Apache Hive and Apache Impala (incubating). Existing |
| tables will automatically be updated to use the new name for the type.</p> |
| <div class="paragraph"> |
| <p>Clients upgrading to the new client libraries must move to the new name for |
| the type. Clients using old client libraries will continue to operate using |
| the old type name, even when connected to clusters that have been |
| upgraded. Similarly, if clients are upgraded before servers, existing |
| timestamp columns will be available using the new type name.</p> |
| </div> |
| </li> |
| <li> |
| <p><code>KuduSession</code> methods in the C++ library are no longer advertised as thread-safe |
| to have one set of semantics for both C++ and Java Kudu client libraries.</p> |
| </li> |
| <li> |
| <p>The <code>KuduScanToken::TabletServers</code> method in the C++ library has been removed. |
| The same information can now be found in the KuduScanToken::tablet method.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_apache_flume_integration"><a class="link" href="#_apache_flume_integration">Apache Flume Integration</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>The <code>KuduEventProducer</code> interface used to process Flume events into Kudu operations |
| for the Kudu Flume Sink has changed, and has been renamed <code>KuduOperationsProducer</code>. |
| The existing `KuduEventProducer`s have been updated for the new interface, and have |
| been renamed similarly.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="known_issues_and_limitations"><a class="link" href="#known_issues_and_limitations">Known Issues and Limitations</a></h2> |
| <div class="sectionbody"> |
| <div class="sect2"> |
| <h3 id="_schema_and_usage_limitations"><a class="link" href="#_schema_and_usage_limitations">Schema and Usage Limitations</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Kudu is primarily designed for analytic use cases. You are likely to encounter issues if |
| a single row contains multiple kilobytes of data.</p> |
| </li> |
| <li> |
| <p>The columns which make up the primary key must be listed first in the schema.</p> |
| </li> |
| <li> |
| <p>Key columns cannot be altered. You must drop and recreate a table to change its keys.</p> |
| </li> |
| <li> |
| <p>Key columns must not be null.</p> |
| </li> |
| <li> |
| <p>Columns with <code>DOUBLE</code>, <code>FLOAT</code>, or <code>BOOL</code> types are not allowed as part of a |
| primary key definition.</p> |
| </li> |
| <li> |
| <p>Type and nullability of existing columns cannot be changed by altering the table.</p> |
| </li> |
| <li> |
| <p>A table’s primary key cannot be changed.</p> |
| </li> |
| <li> |
| <p>Dropping a column does not immediately reclaim space. Compaction must run first. |
| There is no way to run compaction manually, but dropping the table will reclaim the |
| space immediately.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_partitioning_limitations"><a class="link" href="#_partitioning_limitations">Partitioning Limitations</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Tables must be manually pre-split into tablets using simple or compound primary |
| keys. Automatic splitting is not yet possible. Range partitions may be added |
| or dropped after a table has been created. See |
| <a href="schema_design.html">Schema Design</a> for more information.</p> |
| </li> |
| <li> |
| <p>Data in existing tables cannot currently be automatically repartitioned. As a workaround, |
| create a new table with the new partitioning and insert the contents of the old |
| table.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_replication_and_backup_limitations"><a class="link" href="#_replication_and_backup_limitations">Replication and Backup Limitations</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Kudu does not currently include any built-in features for backup and restore. |
| Users are encouraged to use tools such as Spark or Impala to export or import |
| tables as necessary.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_impala_limitations"><a class="link" href="#_impala_limitations">Impala Limitations</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>To use Kudu with Impala, you must install a special release of Impala called |
| Impala_Kudu. Obtaining and installing a compatible Impala release is detailed in Kudu’s |
| <a href="kudu_impala_integration.html">Impala Integration</a> documentation.</p> |
| </li> |
| <li> |
| <p>To use Impala_Kudu alongside an existing Impala instance, you must install using parcels.</p> |
| </li> |
| <li> |
| <p>Updates, inserts, and deletes via Impala are non-transactional. If a query |
| fails part of the way through, its partial effects will not be rolled back.</p> |
| </li> |
| <li> |
| <p>All queries will be distributed across all Impala hosts which host a replica |
| of the target table(s), even if a predicate on a primary key could correctly |
| restrict the query to a single tablet. This limits the maximum concurrency of |
| short queries made via Impala.</p> |
| </li> |
| <li> |
| <p>No timestamp and decimal type support.</p> |
| </li> |
| <li> |
| <p>The maximum parallelism of a single query is limited to the number of tablets |
| in a table. For good analytic performance, aim for 10 or more tablets per host |
| or use large tables.</p> |
| </li> |
| <li> |
| <p>Impala is only able to push down predicates involving <code>=</code>, <code>⇐</code>, <code>>=</code>, |
| or <code>BETWEEN</code> comparisons between any column and a literal value, and <code><</code> and <code>></code> |
| for integer columns only. For example, for a table with an integer key <code>ts</code>, and |
| a string key <code>name</code>, the predicate <code>WHERE ts >= 12345</code> will convert into an |
| efficient range scan, whereas <code>where name > 'lipcon'</code> will currently fetch all |
| data from the table and evaluate the predicate within Impala.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_security_limitations"><a class="link" href="#_security_limitations">Security Limitations</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Authentication and authorization features are not implemented.</p> |
| </li> |
| <li> |
| <p>Data encryption is not built in. Kudu has been reported to run correctly |
| on systems using local block device encryption (e.g. <code>dmcrypt</code>).</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_client_and_api_limitations"><a class="link" href="#_client_and_api_limitations">Client and API Limitations</a></h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><code>ALTER TABLE</code> is not yet fully supported via the client APIs. More <code>ALTER TABLE</code> |
| operations will become available in future releases.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_other_known_issues"><a class="link" href="#_other_known_issues">Other Known Issues</a></h3> |
| <div class="paragraph"> |
| <p>The following are known bugs and issues with the current release of Kudu. They will |
| be addressed in later releases. Note that this list is not exhaustive, and is meant |
| to communicate only the most important known issues.</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>If the Kudu master is configured with the <code>-log_fsync_all</code> option, tablet servers |
| and clients will experience frequent timeouts, and the cluster may become unusable.</p> |
| </li> |
| <li> |
| <p>If a tablet server has a very large number of tablets, it may take several minutes |
| to start up. It is recommended to limit the number of tablets per server to 100 or fewer. |
| Consider this limitation when pre-splitting your tables. If you notice slow start-up times, |
| you can monitor the number of tablets per server in the web UI.</p> |
| </li> |
| <li> |
| <p>Due to a known bug in Linux kernels prior to 3.8, running Kudu on <code>ext4</code> mount points |
| may cause a subsequent <code>fsck</code> to fail with errors such as <code>Logical start <N> does |
| not match logical start <M> at next level</code>. These errors are repairable using <code>fsck -y</code>, |
| but may impact server restart time.</p> |
| <div class="paragraph"> |
| <p>This affects RHEL/CentOS 6.8 and below. A fix is planned for RHEL/CentOS 6.9. |
| RHEL 7.0 and higher are not affected. Ubuntu 14.04 and later are not affected. |
| SLES 12 and later are not affected.</p> |
| </div> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_resources"><a class="link" href="#_resources">Resources</a></h2> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="http://kudu.apache.org">Kudu Website</a></p> |
| </li> |
| <li> |
| <p><a href="http://github.com/apache/kudu">Kudu GitHub Repository</a></p> |
| </li> |
| <li> |
| <p><a href="index.html">Kudu Documentation</a></p> |
| </li> |
| <li> |
| <p><a href="prior_release_notes.html">Release notes for older releases</a></p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_installation_options"><a class="link" href="#_installation_options">Installation Options</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>For full installation details, see <a href="installation.html">Kudu Installation</a>.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_next_steps"><a class="link" href="#_next_steps">Next Steps</a></h2> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="quickstart.html">Kudu Quickstart</a></p> |
| </li> |
| <li> |
| <p><a href="installation.html">Installing Kudu</a></p> |
| </li> |
| <li> |
| <p><a href="configuration.html">Configuring Kudu</a></p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="col-md-3"> |
| |
| <div id="toc" data-spy="affix" data-offset-top="70"> |
| <ul> |
| |
| <li> |
| |
| <a href="index.html">Introducing Kudu</a> |
| </li> |
| <li> |
| <span class="active-toc">Kudu Release Notes</span> |
| <ul class="sectlevel1"> |
| <li><a href="#rn_1.0.1">Kudu 1.0.1 Release Notes</a> |
| <ul class="sectlevel2"> |
| <li><a href="#rn_1.0.1_fixed_issues">Fixed Issues</a></li> |
| </ul> |
| </li> |
| <li><a href="#rn_1.0.0">Kudu 1.0.0 Release Notes</a></li> |
| <li><a href="#rn_1.0.0_new_features">New features</a></li> |
| <li><a href="#_optimizations_and_improvements">Optimizations and improvements</a></li> |
| <li><a href="#_wire_protocol_compatibility">Wire protocol compatibility</a></li> |
| <li><a href="#rn_1.0.0_incompatible_changes">Incompatible changes in Kudu 1.0.0</a> |
| <ul class="sectlevel2"> |
| <li><a href="#_command_line_tools">Command line tools</a></li> |
| <li><a href="#_configuration_flags">Configuration flags</a></li> |
| <li><a href="#_client_apis_c_java_python">Client APIs (C++/Java/Python)</a></li> |
| <li><a href="#_apache_flume_integration">Apache Flume Integration</a></li> |
| </ul> |
| </li> |
| <li><a href="#known_issues_and_limitations">Known Issues and Limitations</a> |
| <ul class="sectlevel2"> |
| <li><a href="#_schema_and_usage_limitations">Schema and Usage Limitations</a></li> |
| <li><a href="#_partitioning_limitations">Partitioning Limitations</a></li> |
| <li><a href="#_replication_and_backup_limitations">Replication and Backup Limitations</a></li> |
| <li><a href="#_impala_limitations">Impala Limitations</a></li> |
| <li><a href="#_security_limitations">Security Limitations</a></li> |
| <li><a href="#_client_and_api_limitations">Client and API Limitations</a></li> |
| <li><a href="#_other_known_issues">Other Known Issues</a></li> |
| </ul> |
| </li> |
| <li><a href="#_resources">Resources</a></li> |
| <li><a href="#_installation_options">Installation Options</a></li> |
| <li><a href="#_next_steps">Next Steps</a></li> |
| </ul> |
| </li> |
| <li> |
| |
| <a href="quickstart.html">Getting Started with Kudu</a> |
| </li> |
| <li> |
| |
| <a href="installation.html">Installation Guide</a> |
| </li> |
| <li> |
| |
| <a href="configuration.html">Configuring Kudu</a> |
| </li> |
| <li> |
| |
| <a href="kudu_impala_integration.html">Using Impala with Kudu</a> |
| </li> |
| <li> |
| |
| <a href="administration.html">Administering Kudu</a> |
| </li> |
| <li> |
| |
| <a href="troubleshooting.html">Troubleshooting Kudu</a> |
| </li> |
| <li> |
| |
| <a href="developing.html">Developing Applications with Kudu</a> |
| </li> |
| <li> |
| |
| <a href="schema_design.html">Kudu Schema Design</a> |
| </li> |
| <li> |
| |
| <a href="transaction_semantics.html">Kudu Transaction Semantics</a> |
| </li> |
| <li> |
| |
| <a href="contributing.html">Contributing to Kudu</a> |
| </li> |
| <li> |
| |
| <a href="style_guide.html">Kudu Documentation Style Guide</a> |
| </li> |
| <li> |
| |
| <a href="configuration_reference.html">Kudu Configuration Reference</a> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| </div> |
| <footer class="footer"> |
| <div class="row"> |
| <div class="col-md-9"> |
| <p class="small"> |
| Copyright © 2020 The Apache Software Foundation. Last updated 2016-10-11 08:49:18 PDT |
| </p> |
| <p class="small"> |
| Apache Kudu, Kudu, Apache, the Apache feather logo, and the Apache Kudu |
| project logo are either registered trademarks or trademarks of The |
| Apache Software Foundation in the United States and other countries. |
| </p> |
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