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Posted to commits@accumulo.apache.org by bu...@apache.org on 2015/07/01 17:09:43 UTC
svn commit: r956549 - in /websites/staging/accumulo/trunk/content: ./
release_notes/1.6.3.html
Author: buildbot
Date: Wed Jul 1 15:09:43 2015
New Revision: 956549
Log:
Staging update by buildbot for accumulo
Added:
websites/staging/accumulo/trunk/content/release_notes/1.6.3.html
Modified:
websites/staging/accumulo/trunk/content/ (props changed)
Propchange: websites/staging/accumulo/trunk/content/
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--- cms:source-revision (original)
+++ cms:source-revision Wed Jul 1 15:09:43 2015
@@ -1 +1 @@
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Added: websites/staging/accumulo/trunk/content/release_notes/1.6.3.html
==============================================================================
--- websites/staging/accumulo/trunk/content/release_notes/1.6.3.html (added)
+++ websites/staging/accumulo/trunk/content/release_notes/1.6.3.html Wed Jul 1 15:09:43 2015
@@ -0,0 +1,328 @@
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+
+ <h1 class="title"></h1>
+
+ <h1 id="draft-draft-draft">DRAFT DRAFT DRAFT</h1>
+<p>Apache Accumulo 1.6.3 is a maintenance release on the 1.6 version branch.
+This release contains changes from over 63 issues, comprised of bug-fixes,
+performance improvements and better test cases. </p>
+<p>Users of 1.6.0, 1.6.1, and 1.6.2 are strongly encouraged to update as soon as
+possible to benefit from the improvements with very little concern in change
+of underlying functionality. Users of 1.4 or 1.5 that are seeking to upgrade
+to 1.6 should consider 1.6.3 as a starting point. For information about
+improvements since Accumulo 1.5, see the <a href="http://accumulo.apache.org/release_notes/1.6.0.html">1.6.0</a>, <a href="http://accumulo.apache.org/release_notes/1.6.1.html">1.6.1</a>, and
+<a href="http://accumulo.apache.org/release_notes/1.6.2.html">1.6.2</a> release notes.</p>
+<h2 id="fixed-batchwriter-hold-time-error">Fixed BatchWriter hold time error</h2>
+<p>In previous releases a <code>BatchWriter</code> could fail with a
+<code>MutationsRejectedException</code> with server errors. If inspection of the tserver
+logs showed <code>HoldTimeoutException</code> was the cause, the workaround was to
+increase the value of <code>general.rpc.timeout</code>. Changing this setting is no
+longer necessary as this bug was fixed by <a href="https://issues.apache.org/jira/browse/ACCUMULO-2388">ACCUMULO-2388</a>.</p>
+<h2 id="severe-bug-fixes">Severe bug fixes.</h2>
+<ul>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3597">ACCUMULO-3597</a> Fixed deadlock where a tablet flush and
+ metadata tablet load were waiting on each other. This was a rare bug. If it
+ occurred it could impact the availability of Accumulo as most Accumulo
+ operations depend on metadata tablets.</li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3709">ACCUMULO-3709</a> Fixed potential data loss bug where
+ AccumuloOutputFormat close did not rethrow exception.</li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3745">ACCUMULO-3745</a> Fixed deadlock in SourceSwitchingIterator
+ that occured when using custom iterators that called deep copy. This bug
+ would cause scans to hang indefinitely until the tserver was killed.</li>
+</ul>
+<h2 id="notable-bug-fixes">Notable bug fixes</h2>
+<ul>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3589">ACCUMULO-3589</a> du in shell does not check table existence</li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3692">ACCUMULO-3692</a> Offline table disables balancing</li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3718">ACCUMULO-3718</a> Fixed bug that prevented a Mutation from
+ being created in Scala.</li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3750">ACCUMULO-3750</a> Fixed issue where master would perpetually
+ fail when there was a bad instance.secret setting.</li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3784">ACCUMULO-3784</a> Fixed bug in getauths shell command where it
+ treated visibilities that differed only in case as the same.</li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3796">ACCUMULO-3796</a> Added documentation about turning off zone
+ reclaim. </li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3859">ACCUMULO-3859</a> Fixed race condition that prevented table
+ constraint from loading on all servers (is this description good?)</li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3880">ACCUMULO-3880</a> Malformed Configuration Causes tservers To Shutdown</li>
+<li><a href="https://issues.apache.org/jira/browse/ACCUMULO-3890">ACCUMULO-3890</a> Fixed performance issue with
+ CredentialProvider. This could degrade performance when ...</li>
+</ul>
+<h2 id="known-issues">Known Issues</h2>
+<p>During testing <a href="https://issues.apache.org/jira/browse/HDFS-8406">HDFS-8406</a> was encountered. To work around this issue do
+the following :</p>
+<ol>
+<li>Locate block for walog whose lease can not be recovered.</li>
+<li>Copy block into HDFS as temp file TMP_WALOG</li>
+<li>Delete the walog whose lease can not be recovered.</li>
+<li>Move TMP_WALOG to the filename of the walog deleted in the previous step.</li>
+</ol>
+<h2 id="testing">Testing</h2>
+<p>Each unit and functional test only runs on a single node, while the RandomWalk
+and Continuous Ingest tests run on any number of nodes. <em>Agitation</em> refers to
+randomly restarting Accumulo processes and Hadoop Datanode processes, and, in
+HDFS High-Availability instances, forcing NameNode failover.</p>
+<table id="release_notes_testing">
+ <tr>
+ <th>OS</th>
+ <th>Hadoop</th>
+ <th>Nodes</th>
+ <th>ZooKeeper</th>
+ <th>HDFS High-Availability</th>
+ <th>Tests</th>
+ </tr>
+ <tr>
+ <td>Amazon Linux 2014.09</td>
+ <td>2.6</td>
+ <td>20</td>
+ <td>3.4.5</td>
+ <td>No</td>
+ <td>ContinuousIngest w/ verification w/ and w/o agitation</td>
+ </tr>
+ <tr>
+ <td>Amazon Linux 2014.09</td>
+ <td>2.6</td>
+ <td>20</td>
+ <td>3.4.5</td>
+ <td>No</td>
+ <td>Randomwalk w/o agitation</td>
+ </tr>
+
+</table>
+ </div>
+
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+ <div class="copyright">
+ <p>
+ Copyright © 2011-2014 The Apache Software Foundation, Licensed under
+ the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.
+ Apache Accumulo, Accumulo, Apache, the Apache feather logo, and the Apache Accumulo
+ project logo are trademarks of the <a href="http://www.apache.org">Apache Software Foundation</a>.<br />
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