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https://issues.apache.org/jira/browse/YARN-11468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Szilard Nemeth resolved YARN-11468.
-----------------------------------
Fix Version/s: 3.4.0
Resolution: Fixed
> Zookeeper SSL/TLS support
> -------------------------
>
> Key: YARN-11468
> URL: https://issues.apache.org/jira/browse/YARN-11468
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Reporter: Ferenc Erdelyi
> Assignee: Ferenc Erdelyi
> Priority: Critical
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> Zookeeper 3.5.5 server can operate with SSL/TLS secure connection with its
> clients.
> [https://cwiki.apache.org/confluence/display/ZOOKEEPER/ZooKeeper+SSL+User+Guide]
> The SSL communication should be possible in the different parts of YARN,
> where it communicates with Zookeeper servers. The Zookeeper clients are used
> in the following places:
> * ResourceManager
> * ZKConfigurationStore
> * ZKRMStateStore
> The yarn.resourcemanager.zk-client-ssl.enabled flag to enable SSL
> communication should be provided in the yarn-default.xml and the required
> parameters for the keystore and truststore should be picked up from the
> core-default.xml (HADOOP-18709)
> yarn.resourcemanager.ha.curator-leader-elector.enabled has to set to true via
> yarn-site.xml to make sure Curator is used, otherwise we can't enable SSL.
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