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           <p><strong>Tim Chen</strong></p>

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       <p><em>Posted January 20, 2015</em></p>
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     <h1>Apache Mesos 0.21.1 Released</h1>

     <p>The latest Mesos release, 0.21.1 is now available for <a href="http://mesos.apache.org/downloads">download</a>. This release includes bug fixes that fixes a few performance issues and isolator cleanup, and also includes a few improvements around building mesos on OSX and the docker containerizer.</p>

 <ul>
 <li><a href="https://issues.apache.org/jira/browse/MESOS-2047">MESOS-2047</a> - Isolator cleanup failures shouldn&rsquo;t cause TASK_LOST.</li>
 <li><a href="https://issues.apache.org/jira/browse/MESOS-2071">MESOS-2071</a> - Libprocess generates invalid HTTP</li>
 <li><a href="https://issues.apache.org/jira/browse/MESOS-2147">MESOS-2147</a> - Large number of connections slows statistics.json responses.</li>
 <li><a href="https://issues.apache.org/jira/browse/MESOS-2182">MESOS-2182</a> - Performance issue in libprocess SocketManager.</li>
 <li><a href="https://issues.apache.org/jira/browse/MESOS-1925">MESOS-1925</a> - Docker kill does not allow containers to exit gracefully</li>
 <li><a href="https://issues.apache.org/jira/browse/MESOS-2113">MESOS-2113</a> - Improve configure to find apr and svn libraries/headers in OSX</li>
 </ul>


 <p>Full release notes are available in the release <a href="https://github.com/apache/mesos/blob/master/CHANGELOG">CHANGELOG</a>.</p>

 <p>Upgrading to 0.21.1 can be done seamlessly on a 0.21.0 cluster. If upgrading from an earlier version, please refer to the <a href="http://mesos.apache.org/documentation/latest/upgrades/">upgrades</a> documentation.</p>

 <h2>Contributors</h2>

 <p>Thanks to all the contributors for 0.21.1: Timothy Chen, Benjamin Mahler, Kapil Arya, Ryan Thomas, Jie Yu, Dario Rexin and Michael Park.</p>

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	<p><em>Posted January 20, 2015</em></p>
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	<div class="post col-md-9">
	<h1>Apache Mesos 0.21.1 Released</h1>

	<p>The latest Mesos release, 0.21.1 is now available for <a href="http://mesos.apache.org/downloads">download</a>. This release includes bug fixes that fixes a few performance issues and isolator cleanup, and also includes a few improvements around building mesos on OSX and the docker containerizer.</p>

	<ul>
	<li><a href="https://issues.apache.org/jira/browse/MESOS-2047">MESOS-2047</a> - Isolator cleanup failures shouldn’t cause TASK_LOST.</li>
	<li><a href="https://issues.apache.org/jira/browse/MESOS-2071">MESOS-2071</a> - Libprocess generates invalid HTTP</li>
	<li><a href="https://issues.apache.org/jira/browse/MESOS-2147">MESOS-2147</a> - Large number of connections slows statistics.json responses.</li>
	<li><a href="https://issues.apache.org/jira/browse/MESOS-2182">MESOS-2182</a> - Performance issue in libprocess SocketManager.</li>
	<li><a href="https://issues.apache.org/jira/browse/MESOS-1925">MESOS-1925</a> - Docker kill does not allow containers to exit gracefully</li>
	<li><a href="https://issues.apache.org/jira/browse/MESOS-2113">MESOS-2113</a> - Improve configure to find apr and svn libraries/headers in OSX</li>
	</ul>


	<p>Full release notes are available in the release <a href="https://github.com/apache/mesos/blob/master/CHANGELOG">CHANGELOG</a>.</p>

	<p>Upgrading to 0.21.1 can be done seamlessly on a 0.21.0 cluster. If upgrading from an earlier version, please refer to the <a href="http://mesos.apache.org/documentation/latest/upgrades/">upgrades</a> documentation.</p>

	<h2>Contributors</h2>

	<p>Thanks to all the contributors for 0.21.1: Timothy Chen, Benjamin Mahler, Kapil Arya, Ryan Thomas, Jie Yu, Dario Rexin and Michael Park.</p>

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