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MINOR: Update docs to reflect the ZK 3.5.5 upgrade #7149

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ijuma merged 1 commit into from
Aug 2, 2019
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MINOR: Update docs to reflect the ZK 3.5.5 upgrade #7149

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2 changes: 1 addition & 1 deletion docs/ops.html
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Expand Up @@ -2014,7 +2014,7 @@ <h4><a id="others_monitoring" href="#others_monitoring">Others</a></h4>
<h3><a id="zk" href="#zk">6.7 ZooKeeper</a></h3>

<h4><a id="zkversion" href="#zkversion">Stable version</a></h4>
The current stable branch is 3.4 and the latest release of that branch is 3.4.9.
The current stable branch is 3.5. Kafka is regularly updated to include the latest release in the 3.5 series.

<h4><a id="zkops" href="#zkops">Operationalizing ZooKeeper</a></h4>
Operationally, we do the following for a healthy ZooKeeper installation:
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2 changes: 1 addition & 1 deletion docs/security.html
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Expand Up @@ -1847,7 +1847,7 @@ <h4><a id="zk_authz_migration" href="#zk_authz_migration">7.6.2 Migrating cluste
<h4><a id="zk_authz_ensemble" href="#zk_authz_ensemble">7.6.3 Migrating the ZooKeeper ensemble</a></h4>
It is also necessary to enable authentication on the ZooKeeper ensemble. To do it, we need to perform a rolling restart of the server and set a few properties. Please refer to the ZooKeeper documentation for more detail:
<ol>
<li><a href="http://zookeeper.apache.org/doc/r3.4.9/zookeeperProgrammers.html#sc_ZooKeeperAccessControl">Apache ZooKeeper documentation</a></li>
<li><a href="http://zookeeper.apache.org/doc/r3.5.5/zookeeperProgrammers.html#sc_ZooKeeperAccessControl">Apache ZooKeeper documentation</a></li>
<li><a href="https://cwiki.apache.org/confluence/display/ZOOKEEPER/Zookeeper+and+SASL">Apache ZooKeeper wiki</a></li>
</ol>
</script>
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1 change: 1 addition & 0 deletions docs/upgrade.html
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Expand Up @@ -21,6 +21,7 @@

<h5><a id="upgrade_240_notable" href="#upgrade_240_notable">Notable changes in 2.4.0</a></h5>
<ul>
<li>ZooKeeper has been upgraded from 3.4.14 to 3.5.5. TLS and dynamic reconfiguration are supported by the new version.</li>
<li>The <code>bin/kafka-preferred-replica-election.sh</code> command line tool has been deprecated. It has been replaced by <code>bin/kafka-leader-election.sh</code>.</li>
<li>The methods <code>electPreferredLeaders</code> in the Java <code>AdminClient</code> class have been deprecated in favor of the methods <code>electLeaders</code>.</li>
<li>Scala code leveraging the <code>NewTopic(String, int, short)</code> constructor with literal values will need to explicitly call <code>toShort</code> on the second literal.</li>
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