Author: buildbot
Date: Thu Feb 18 02:49:51 2016
New Revision: 980679
Log:
Staging update by buildbot for accumulo
Added:
websites/staging/accumulo/trunk/content/release_notes/1.7.1.html
Modified:
websites/staging/accumulo/trunk/content/ (props changed)
Propchange: websites/staging/accumulo/trunk/content/
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--- cms:source-revision (original)
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@@ -1 +1 @@
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Added: websites/staging/accumulo/trunk/content/release_notes/1.7.1.html
==============================================================================
--- websites/staging/accumulo/trunk/content/release_notes/1.7.1.html (added)
+++ websites/staging/accumulo/trunk/content/release_notes/1.7.1.html Thu Feb 18
02:49:51 2016
@@ -0,0 +1,331 @@
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+ <div class="col-md-8 col-md-offset-1">
+<!--
+ <div id="bannertext">
+ <img id="logo" alt="Apache Accumulo ™"
src="/images/accumulo-logo.png"/>
+ </div>
+-->
+
+ <div id="content">
+
+ <h1 class="title">Apache Accumulo 1.7.1 Release Notes</h1>
+
+ <style type="text/css">
+/* The following code is added by mdx_elementid.py
+ It was originally lifted from http://subversion.apache.org/style/site.css */
+/*
+ * Hide class="elementid-permalink", except when an enclosing heading
+ * has the :hover property.
+ */
+.headerlink, .elementid-permalink {
+ visibility: hidden;
+}
+h2:hover > .headerlink, h3:hover > .headerlink, h1:hover > .headerlink,
h6:hover > .headerlink, h4:hover > .headerlink, h5:hover > .headerlink,
dt:hover > .elementid-permalink { visibility: visible }</style>
+<h1 id="draft-draft-draft">DRAFT! DRAFT! DRAFT!<a class="headerlink"
href="#draft-draft-draft" title="Permanent link">¶</a></h1>
+<p>Apache Accumulo 1.7.1 is a maintenance release on the 1.7 version branch.
This
+release contains changes from 55 issues, comprised of bug-fixes, performance
+improvements, build quality improvements, and more. See <a
href="https://issues.apache.org/jira/browse/ACCUMULO/fixforversion/12329940";>JIRA</a>
for a
+complete list.</p>
+<p>Users of any previous 1.7.x release 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 1.6 or earlier that are seeking to
+upgrade to 1.7 should consider 1.7.1 as a starting point.</p>
+<h2 id="outstanding-known-issues">Outstanding Known Issues<a
class="headerlink" href="#outstanding-known-issues" title="Permanent
link">¶</a></h2>
+<p>Be aware that a small documentation bug exists with the compact command in
the
+shell ([ACCUMULO-4138][ACCUMULO-4138]). The documentation for the begin row and
+end row should be described as exclusive and inclusive, respectively, rather
+than the incorrect description of both being inclusive.</p>
+<h2 id="highlights">Highlights<a class="headerlink" href="#highlights"
title="Permanent link">¶</a></h2>
+<h3 id="queued-compactions-not-running">Queued Compactions Not Running<a
class="headerlink" href="#queued-compactions-not-running" title="Permanent
link">¶</a></h3>
+<p>Found and fixed a bug ([ACCUMULO-4016][ACCUMULO-4016]) in which some queued
+compactions would never run if the number of files changed while the tablet was
+queued.</p>
+<h3 id="faster-processing-of-conditional-mutations">Faster Processing of
Conditional Mutations<a class="headerlink"
href="#faster-processing-of-conditional-mutations" title="Permanent
link">¶</a></h3>
+<p>Improved ConditionalMutation processing time by a factor of 3.
+([ACCUMULO-4066][ACCUMULO-4066])</p>
+<h3 id="slow-gc-while-bulk-importing">Slow GC While Bulk Importing<a
class="headerlink" href="#slow-gc-while-bulk-importing" title="Permanent
link">¶</a></h3>
+<p>Found and worked around an issue where lots of bulk imports creating many
new
+files would significantly impair the Accumulo GC service, and possibly prevent
+it from running to completion entirely. ([ACCUMULO-4021][ACCUMULO-4021])</p>
+<h3 id="improvements-in-locating-client-configuration-file">Improvements in
Locating Client Configuration File<a class="headerlink"
href="#improvements-in-locating-client-configuration-file" title="Permanent
link">¶</a></h3>
+<p>Fixed some unexpected error messages related to setting
+ACCUMULO_CLIENT_CONF_PATH, and improved the detection of the client.conf file
if
+ACCUMULO_CLIENT_CONF_PATH was set to a directory containing client.conf.
+([ACCUMULO-4026][ACCUMULO-4026],[ACCUMULO-4027][ACCUMULO-4027])</p>
+<h3 id="transient-zookeeper-disconnect-causes-fate-threads-to-exit">Transient
ZooKeeper disconnect causes FATE threads to exit<a class="headerlink"
href="#transient-zookeeper-disconnect-causes-fate-threads-to-exit"
title="Permanent link">¶</a></h3>
+<p>ZooKeeper clients are expected to handle the situation where they become
+disconnected from the ZooKeeper server and must wait to be reconnected
+before continuing ZooKeeper operations.</p>
+<p>The dedicated threads running inside the Accumulo Master process for FATE
+actions had the potential unexpectedly exit in this disconnected state.
+This caused a scenario where all future FATE-based operations would
+be blocked until the Accumulo Master process was restarted.
([ACCUMULO-4060][ACCUMULO-4060])</p>
+<h3 id="incorrect-management-of-certain-thrift-rpcs">Incorrect management of
certain Thrift RPCs<a class="headerlink"
href="#incorrect-management-of-certain-thrift-rpcs" title="Permanent
link">¶</a></h3>
+<p>Accumulo relies on Apache Thrift to implement remote procedure calls between
+Accumulo services. Accumulo's use of Thrift uncovered an unfortunate situation
+where a special RPC (a "oneway" call) would leave unwanted data on the
underlying
+Thrift connection. After this extra data was left on connection, all
subsequent RPCs
+re-using that connection would fail with "out of sequence response" error
messages.
+Accumulo would be left in a bad state until the mishandled connections were
released
+or Accumulo services were restarted. ([ACCUMULO-4065][ACCUMULO-4065])</p>
+<h2 id="other-notable-changes">Other Notable Changes<a class="headerlink"
href="#other-notable-changes" title="Permanent link">¶</a></h2>
+<ul>
+<li><a
href="https://issues.apache.org/jira/browse/ACCUMULO-3509";>ACCUMULO-3509</a>
Fixed some lock contention in TabletServer, preventing resource cleanup</li>
+<li>[ACCUMULO-3734][ACCUMULO-3734] Fixed quote-escaping bug in
VisibilityConstraint</li>
+<li>[ACCUMULO-4025][ACCUMULO-4025] Fixed cleanup of bulk load fate
transactions</li>
+<li>[ACCUMULO-4070][ACCUMULO-4070] Fixed Kerberos ticket renewal for all
Accumulo services</li>
+<li>[ACCUMULO-4098][ACCUMULO-4098],[ACCUMULO-4113][ACCUMULO-4113] Fixed
widespread misuse of ByteBuffer</li>
+</ul>
+<h2 id="testing">Testing<a class="headerlink" href="#testing" title="Permanent
link">¶</a></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>CentOS 7.1 (example)</td>
+ <td>2.6.3</td>
+ <td>9</td>
+ <td>3.4.6</td>
+ <td>No</td>
+ <td>Random walk (All.xml) 18-hour run (2 failures, both conflicting
operations on same table in Concurrent test)</td>
+ </tr>
+</table>
+ </div>
+
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+ <a alt="Apache Software Foundation" href="http://www.apache.org";>
+ <img id="asf-logo" alt="Apache Software Foundation"
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+ </a>
+ <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
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