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https://issues.apache.org/jira/browse/HDFS-5152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kai Zheng updated HDFS-5152:
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Attachment: HDFS-5152.patch
Attached a patch. Pending to be submitted when required patches get in.
> Avoiding redundant Kerberos login for Zookeeper client in ActiveStandbyElector
> ------------------------------------------------------------------------------
>
> Key: HDFS-5152
> URL: https://issues.apache.org/jira/browse/HDFS-5152
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: security
> Reporter: Kai Zheng
> Attachments: HDFS-5152.patch
>
>
> Based on the fix in HADOOP-8315, it's possible to deploy a secured HA cluster
> with SASL support for connection with Zookeeper. However it requires extra
> configuration for JAAS to initialize the Zookeeper client because the client
> will do another login in it even when ZKFC service actually has already
> passed the Kerberos login during its starting.
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