2021/01/28/apache-kudu-1-14-0-release.html - kudu-site - Git at Google

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   <header>
     <h1 class="entry-title">Apache Kudu 1.14.0 Released</h1>
     <p class="meta">Posted 28 Jan 2021 by Grant Henke</p>
   </header>
   <div class="entry-content">
     <p>The Apache Kudu team is happy to announce the release of Kudu 1.14.0!</p>

 <p>The new release adds several new features and improvements, including the
 following:</p>

 <!--more-->

 <ul>
   <li>
     <p>Full support for <code class="language-plaintext highlighter-rouge">INSERT_IGNORE</code>, <code class="language-plaintext highlighter-rouge">UPDATE_IGNORE</code>, and <code class="language-plaintext highlighter-rouge">DELETE_IGNORE</code> operations
 was added. The <code class="language-plaintext highlighter-rouge">INSERT_IGNORE</code> operation will insert a row if one matching the key
 does not exist and ignore the operation if one already exists. The <code class="language-plaintext highlighter-rouge">UPDATE_IGNORE</code>
 operation will update the row if one matching the key exists and ignore the operation
 if one does not exist. The <code class="language-plaintext highlighter-rouge">DELETE_IGNORE</code> operation will delete the row if one matching
 the key exists and ignore the operation if one does not exist. These operations are
 particularly useful in situations where retries or duplicate operations could occur and
 you do not want to handle the errors that could result manually or you do not want to cause
 unnecessary writes and compaction work as a result of using the <code class="language-plaintext highlighter-rouge">UPSERT</code> operation.
 The Java client can check if the cluster it is communicating with supports these operations
 by calling the <code class="language-plaintext highlighter-rouge">supportsIgnoreOperations()</code> method on the KuduClient.</p>
   </li>
   <li>
     <p>Spark 3 compatible JARs compiled for Scala 2.12 are now published for the Kudu Spark integration.
 See <a href="https://issues.apache.org/jira/browse/KUDU-3202">KUDU-3202</a> for more details.</p>
   </li>
   <li>
     <p>Every Kudu cluster now has an automatically generated cluster Id that can be used to uniquely
 identify a cluster. The cluster Id is shown in the masters web-UI, the <code class="language-plaintext highlighter-rouge">kudu master list</code> tool,
 and in master server logs.</p>
   </li>
   <li>
     <p>Downloading the WAL data and data blocks when copying tablets to another tablet server is now
 parallelized, resulting in much faster tablet copy operations. These operations occur when
 recovering from a down tablet server or when running the cluster rebalancer.</p>
   </li>
   <li>
     <p>The HMS integration now supports multiple Kudu clusters associated with a single HMS
 including Kudu clusters that do not have HMS synchronization enabled. This is possible,
 because the Kudu master will now leverage the cluster Id to ignore notifications from
 tables in a different cluster. Additionally, the HMS plugin will check if the Kudu cluster
 associated with a table has HMS synchronization enabled.</p>
   </li>
   <li>
     <p>DeltaMemStores will now be flushed as long as any DMS in a tablet is older than the point
 defined by <code class="language-plaintext highlighter-rouge">--flush_threshold_secs</code>, rather than flushing once every <code class="language-plaintext highlighter-rouge">--flush_threshold_secs</code>
 period. This can reduce memory pressure under update- or delete-heavy workloads, and lower tablet
 server restart times following such workloads.</p>
   </li>
 </ul>

 <p>The above is just a list of the highlights, for a more complete list of new
 features, improvements and fixes please refer to the <a href="/releases/1.14.0/docs/release_notes.html">release
 notes</a>.</p>

 <p>The Apache Kudu project only publishes source code releases. To build Kudu
 1.14.0, follow these steps:</p>

 <ul>
   <li>Download the Kudu <a href="/releases/1.14.0">1.14.0 source release</a></li>
   <li>Follow the instructions in the documentation to build Kudu <a href="/releases/1.14.0/docs/installation.html#build_from_source">1.14.0 from
 source</a></li>
 </ul>

 <p>For your convenience, binary JAR files for the Kudu Java client library, Spark
 DataSource, Flume sink, and other Java integrations are published to the ASF
 Maven repository and are <a href="https://search.maven.org/search?q=g:org.apache.kudu%20AND%20v:1.14.0">now
 available</a>.</p>

 <p>The Python client source is also available on
 <a href="https://pypi.org/project/kudu-python/">PyPI</a>.</p>

 <p>Additionally, experimental Docker images are published to
 <a href="https://hub.docker.com/r/apache/kudu">Docker Hub</a>, including for AArch64-based
 architectures (ARM).</p>

   </div>
 </article>


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	<article>
	<header>
	<h1 class="entry-title">Apache Kudu 1.14.0 Released</h1>
	<p class="meta">Posted 28 Jan 2021 by Grant Henke</p>
	</header>
	<div class="entry-content">
	<p>The Apache Kudu team is happy to announce the release of Kudu 1.14.0!</p>

	<p>The new release adds several new features and improvements, including the
	following:</p>

	<!--more-->

	<ul>
	<li>
	<p>Full support for <code class="language-plaintext highlighter-rouge">INSERT_IGNORE</code>, <code class="language-plaintext highlighter-rouge">UPDATE_IGNORE</code>, and <code class="language-plaintext highlighter-rouge">DELETE_IGNORE</code> operations
	was added. The <code class="language-plaintext highlighter-rouge">INSERT_IGNORE</code> operation will insert a row if one matching the key
	does not exist and ignore the operation if one already exists. The <code class="language-plaintext highlighter-rouge">UPDATE_IGNORE</code>
	operation will update the row if one matching the key exists and ignore the operation
	if one does not exist. The <code class="language-plaintext highlighter-rouge">DELETE_IGNORE</code> operation will delete the row if one matching
	the key exists and ignore the operation if one does not exist. These operations are
	particularly useful in situations where retries or duplicate operations could occur and
	you do not want to handle the errors that could result manually or you do not want to cause
	unnecessary writes and compaction work as a result of using the <code class="language-plaintext highlighter-rouge">UPSERT</code> operation.
	The Java client can check if the cluster it is communicating with supports these operations
	by calling the <code class="language-plaintext highlighter-rouge">supportsIgnoreOperations()</code> method on the KuduClient.</p>
	</li>
	<li>
	<p>Spark 3 compatible JARs compiled for Scala 2.12 are now published for the Kudu Spark integration.
	See <a href="https://issues.apache.org/jira/browse/KUDU-3202">KUDU-3202</a> for more details.</p>
	</li>
	<li>
	<p>Every Kudu cluster now has an automatically generated cluster Id that can be used to uniquely
	identify a cluster. The cluster Id is shown in the masters web-UI, the <code class="language-plaintext highlighter-rouge">kudu master list</code> tool,
	and in master server logs.</p>
	</li>
	<li>
	<p>Downloading the WAL data and data blocks when copying tablets to another tablet server is now
	parallelized, resulting in much faster tablet copy operations. These operations occur when
	recovering from a down tablet server or when running the cluster rebalancer.</p>
	</li>
	<li>
	<p>The HMS integration now supports multiple Kudu clusters associated with a single HMS
	including Kudu clusters that do not have HMS synchronization enabled. This is possible,
	because the Kudu master will now leverage the cluster Id to ignore notifications from
	tables in a different cluster. Additionally, the HMS plugin will check if the Kudu cluster
	associated with a table has HMS synchronization enabled.</p>
	</li>
	<li>
	<p>DeltaMemStores will now be flushed as long as any DMS in a tablet is older than the point
	defined by <code class="language-plaintext highlighter-rouge">--flush_threshold_secs</code>, rather than flushing once every <code class="language-plaintext highlighter-rouge">--flush_threshold_secs</code>
	period. This can reduce memory pressure under update- or delete-heavy workloads, and lower tablet
	server restart times following such workloads.</p>
	</li>
	</ul>

	<p>The above is just a list of the highlights, for a more complete list of new
	features, improvements and fixes please refer to the <a href="/releases/1.14.0/docs/release_notes.html">release
	notes</a>.</p>

	<p>The Apache Kudu project only publishes source code releases. To build Kudu
	1.14.0, follow these steps:</p>

	<ul>
	<li>Download the Kudu <a href="/releases/1.14.0">1.14.0 source release</a></li>
	<li>Follow the instructions in the documentation to build Kudu <a href="/releases/1.14.0/docs/installation.html#build_from_source">1.14.0 from
	source</a></li>
	</ul>

	<p>For your convenience, binary JAR files for the Kudu Java client library, Spark
	DataSource, Flume sink, and other Java integrations are published to the ASF
	Maven repository and are <a href="https://search.maven.org/search?q=g:org.apache.kudu%20AND%20v:1.14.0">now
	available</a>.</p>

	<p>The Python client source is also available on
	<a href="https://pypi.org/project/kudu-python/">PyPI</a>.</p>

	<p>Additionally, experimental Docker images are published to
	<a href="https://hub.docker.com/r/apache/kudu">Docker Hub</a>, including for AArch64-based
	architectures (ARM).</p>

	</div>
	</article>


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