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https://issues.apache.org/jira/browse/HADOOP-17612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17391981#comment-17391981
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Akira Ajisaka commented on HADOOP-17612:
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{quote}Edit: I can create follow up Jira to clean up deprecated usage of
PathChildrenCache in ZKDelegationTokenSecretManager
(ZKDelegationTokenSecretManager seems to be in critical path of Web
AuthenticationFilter).
{quote}
+1. Go ahead!
> Upgrade Zookeeper to 3.6.3 and Curator to 5.2.0
> -----------------------------------------------
>
> Key: HADOOP-17612
> URL: https://issues.apache.org/jira/browse/HADOOP-17612
> Project: Hadoop Common
> Issue Type: Task
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 4h
> Remaining Estimate: 0h
>
> Let's upgrade Zookeeper and Curator to 3.6.3 and 5.2.0 respectively.
> Curator 5.2 also supports Zookeeper 3.5 servers.
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