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

Reviewers: Manikumar Reddy <manikumar.reddy@gmail.com>
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Ismael Juma 2019-08-02 06:09:51 -07:00 committed by GitHub
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docs/ops.html
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@ -2014,7 +2014,7 @@ All the following metrics have a recording level of <code>debug</code>:
<h3><a id="zk" href="#zk">6.7 ZooKeeper</a></h3> <h3><a id="zk" href="#zk">6.7 ZooKeeper</a></h3>
<h4><a id="zkversion" href="#zkversion">Stable version</a></h4> <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> <h4><a id="zkops" href="#zkops">Operationalizing ZooKeeper</a></h4>
Operationally, we do the following for a healthy ZooKeeper installation: Operationally, we do the following for a healthy ZooKeeper installation:

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docs/security.html
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@ -1847,7 +1847,7 @@
<h4><a id="zk_authz_ensemble" href="#zk_authz_ensemble">7.6.3 Migrating the ZooKeeper ensemble</a></h4> <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: 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> <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> <li><a href="https://cwiki.apache.org/confluence/display/ZOOKEEPER/Zookeeper+and+SASL">Apache ZooKeeper wiki</a></li>
</ol> </ol>
</script> </script>

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docs/upgrade.html
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@ -21,6 +21,7 @@
<h5><a id="upgrade_240_notable" href="#upgrade_240_notable">Notable changes in 2.4.0</a></h5> <h5><a id="upgrade_240_notable" href="#upgrade_240_notable">Notable changes in 2.4.0</a></h5>
<ul> <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 <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>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> <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>