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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6522) Add ZooKeeper cleanup logic to ZooKeeperHaServices
Date Thu, 20 Sep 2018 11:45:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16621874#comment-16621874
] 

Till Rohrmann commented on FLINK-6522:
--------------------------------------

Yes I think we still don't clean properly up the ZNodes in ZooKeeper. A proper fix for that
should go hand in hand with FLINK-10333.

> Add ZooKeeper cleanup logic to ZooKeeperHaServices
> --------------------------------------------------
>
>                 Key: FLINK-6522
>                 URL: https://issues.apache.org/jira/browse/FLINK-6522
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Coordination
>    Affects Versions: 1.3.0, 1.4.0
>            Reporter: Till Rohrmann
>            Assignee: Fang Yong
>            Priority: Major
>
> The {{ZooKeeperHaServices}} provide a {{CuratorFramework}} client to access ZooKeeper
data. Consequently, all data (also for different job) are stored under the same root node.
When {{HighAvailabilityServices#closeAndCleanupAllData}} is called, then this data should
be cleaned up. This cleanup logic is currently missing.



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