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See the NOTICE file --> +<!-- distributed with this work for additional information --> +<!-- regarding copyright ownership. The ASF licenses this file --> +<!-- to you under the Apache License, Version 2.0 (the --> +<!-- "License"); you may not use this file except in compliance --> +<!-- with the License. You may obtain a copy of the License at --> +<!-- --> +<!-- http://www.apache.org/licenses/LICENSE-2.0 --> +<!-- --> +<!-- Unless required by applicable law or agreed to in writing, --> +<!-- software distributed under the License is distributed on an --> +<!-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY --> +<!-- KIND, either express or implied. See the License for the --> +<!-- specific language governing permissions and limitations --> +<!-- under the License. --> +<!-- NOTE: For help with the syntax of this file, see: --> +<!-- http://maven.apache.org/guides/mini/guide-apt-format.html --> +<div class="section"> + <div class="page-header"> + <h2 id="Release_Notes_for_Apache_Helix_0.6.5">Release Notes for Apache Helix 0.6.5</h2> + </div> + <p>The Apache Helix team would like to announce the release of Apache Helix 0.6.5.</p> + <p>This is the sixth release under the Apache umbrella, and the second as a top-level project.</p> + <p>Helix is a generic cluster management framework used for the automatic management of partitioned, replicated and distributed resources hosted on a cluster of nodes. Helix provides the following features:</p> + <ul> + <li>Automatic assignment of resource/partition to nodes</li> + <li>Node failure detection and recovery</li> + <li>Dynamic addition of Resources</li> + <li>Dynamic addition of nodes to the cluster</li> + <li>Pluggable distributed state machine to manage the state of a resource via state transitions</li> + <li>Automatic load balancing and throttling of transitions</li> + </ul> + <div class="section"> + <h3 id="Changes">Changes</h3> + <div class="section"> + <h4 id="Bug">Bug</h4> + <ul> + <li>[HELIX-512] - add back HelixManager#getHealthReportCollector() interface to 0.6.x</li> + <li>[HELIX-514] - ZkBaseDataAccessor#set() should throw BadVersionException instead of return false in case of version mismatch</li> + <li>[HELIX-518] - Add integration tests to ensure helix tasks work as expected during master failover</li> + <li>[HELIX-519] - Add integration tests to ensure that "kill-switch" for Helix tasks work as expected</li> + <li>[HELIX-521] - Should not start GenericHelixController#ClusterEventProcessor in types other than CONTROLLER and CONTROLLER_PARTICIPANT</li> + <li>[HELIX-537] - org.apache.helix.task.TaskStateModel should have a shutdown method.</li> + <li>[HELIX-541] - Possible "livelock" in Helix controller</li> + <li>[HELIX-547] - AutoRebalancer may not converge in some rare situation</li> + <li>[HELIX-549] - Discarding Throwable exceptions makes threads unkillable.</li> + <li>[HELIX-550] - ZKHelixManager does not shutdown GenericHelixController threads.</li> + <li>[HELIX-552] - StateModelFactory#_stateModelMap should use both resourceName and partitionKey to map a state model</li> + <li>[HELIX-555] - ClusterStateVerifier leaks ZkClients.</li> + <li>[HELIX-559] - Helix web admin performance issues</li> + <li>[HELIX-562] - TaskRebalancer doesn't honor MaxAttemptsPerTask when FailureThreshold is larger than 0</li> + <li>[HELIX-563] - Throw more meaningful exceptions when AutoRebalanceStrategy#computePartitionAssignment inputs are invalid</li> + <li>[HELIX-572] - External view is recreated every time for bucketized resource</li> + <li>[HELIX-574] - fix bucketize resource bug in current state carryover</li> + <li>[HELIX-575] - Should not send FINALIZED callback when a bucketized resource is removed</li> + <li>[HELIX-579] - fix ivy files issue</li> + </ul> + </div> + <div class="section"> + <h4 id="Improvement">Improvement</h4> + <ul> + <li>[HELIX-524] - add getProgress() to Task interface</li> + <li>[HELIX-570] - Add default state model definitions if not already exists when controller starts</li> + <li>[HELIX-573] - Add support to compress/uncompress data on ZK</li> + <li>[HELIX-576] - Make StateModelFactory change backward compatible</li> + </ul> + </div> + <div class="section"> + <h4 id="New_Feature">New Feature</h4> + <ul> + <li>[HELIX-546] - REST Admin APIs needed for helix job queue management</li> + <li>[HELIX-581] - Support deleting job from a job queue</li> + </ul> + </div> + <div class="section"> + <h4 id="Task">Task</h4> + <ul> + <li>[HELIX-539] - Add ivy file for helix-agent</li> + </ul> + </div> + <div class="section"> + <h4 id="Test">Test</h4> + <ul> + <li>[HELIX-580] - Fix test: TestBatchMessage#testSubMsgExecutionFail</li> + </ul> + </div> + </div> +</div> +<div class="section"> + <h2 id="Cheers_--_The_Apache_Helix_Team">Cheers, -- The Apache Helix Team</h2> +</div> + </div> + </div> + </div> + </div> + + </div><!-- /container --> + + <!-- Footer + ================================================== --> + <footer class="well"> + <div class="container"> + <div class="row"> + <div class="span2 bottom-nav"> + <ul class="nav nav-list"> + <li class="nav-header">Learn</li> + <li> + <a href="../Concepts.html" title="Core Concepts">Core Concepts </a> + </li> + <li> + <a href="../Architecture.html" title="Architecture">Architecture </a> + </li> + <li> + <a href="../Publications.html" title="Publications">Publications </a> + </li> + <li> + <a href="../ClientLibraries.html" title="Client Libraries">Client Libraries </a> + </li> + </ul> + </div> + <div class="span2 bottom-nav"> + <ul class="nav nav-list"> + <li class="nav-header">Documentation</li> + <li> + <a href="../0.6.4-docs/index.html" title="0.6.4 (stable)">0.6.4 (stable) </a> + </li> + <li> + <a href="../0.6.5-docs/index.html" title="0.6.5 (stable)">0.6.5 (stable) </a> + </li> + <li> + <a href="../0.7.1-docs/index.html" title="0.7.1 (beta)">0.7.1 (beta) </a> + </li> + <li> + <a href="../0.6.3-docs/index.html" title="0.6.3">0.6.3 </a> + </li> + <li> + <a href="../0.7.0-incubating-docs/index.html" title="0.7.0-incubating (alpha)">0.7.0-incubating (alpha) </a> + </li> + <li> + <a href="../0.6.2-incubating-docs/index.html" title="0.6.2-incubating">0.6.2-incubating </a> + </li> + <li> + <a href="../0.6.1-incubating-docs/index.html" title="0.6.1-incubating">0.6.1-incubating </a> + </li> + <li> + <a href="../trunk-docs/index.html" title="trunk">trunk </a> + </li> + <li class="nav-header">Helix 0.6.5</li> + <li> + <a href="../0.6.5-docs/index.html" title="Documentation">Documentation </a> + </li> + <li> + <a href="../0.6.5-docs/Quickstart.html" title="Quick Start">Quick Start </a> + </li> + <li> + <a href="../0.6.5-docs/Tutorial.html" title="Tutorial">Tutorial </a> + </li> + <li> + <a href="../0.6.5-docs/download.html" title="Download">Download </a> + </li> + </ul> + </div> + <div class="span2 bottom-nav"> + <ul class="nav nav-list"> + <li class="nav-header">Get Involved</li> + <li> + <a href="../IRC.html" title="IRC">IRC </a> + </li> + <li> + <a href="../mail-lists.html" title="Mailing Lists">Mailing Lists </a> + </li> + <li> + <a href="../issue-tracking.html" title="Issues">Issues </a> + </li> + <li> + <a href="../team-list.html" title="Team">Team </a> + </li> + <li> + <a href="../sources.html" title="Sources">Sources </a> + </li> + <li> + <a href="../integration.html" title="Continuous Integration">Continuous Integration </a> + </li> + <li> + <a href="../involved/building.html" title="Building Guide">Building Guide </a> + </li> + <li> + <a href="../releasing.html" title="Release Guide">Release Guide </a> + </li> + <li> + <a href="../involved/contribdocs.html" title="Improve this Website">Improve this Website </a> + </li> + </ul> + </div> + <div class="span3 bottom-nav"> + <ul class="nav nav-list"> + <li class="nav-header">ASF</li> + <li> + <a href="http://www.apache.org/"; title="ASF Home" class="externalLink">ASF Home </a> + </li> + <li> + <a href="http://www.apache.org/licenses/"; title="License" class="externalLink">License </a> + </li> + <li> + <a href="http://www.apache.org/foundation/sponsorship.html"; title="Sponsorship" class="externalLink">Sponsorship </a> + </li> + <li> + <a href="http://www.apache.org/foundation/thanks.html"; title="Thanks" class="externalLink">Thanks </a> + </li> + <li> + <a href="http://www.apache.org/security/"; title="Security" class="externalLink">Security </a> + </li> + </ul> + </div> + </div> + </div> + </footer> + + <div class="container subfooter"> + <div class="row"> + <div class="span12"> + <p class="pull-right"><a href="#">Back to top</a></p> + <p class="copyright">Copyright ©2015 <a href="http://www.apache.org/";>The Apache Software Foundation</a>. 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