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https://issues.apache.org/jira/browse/FLINK-5987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15932681#comment-15932681
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Robert Metzger commented on FLINK-5987:
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Our current zookeeper version is 3.4.6, since this is only a minor upgrade, we
COULD do it.
However, in general I'm against just upgrading a dependency unless there are
users running into problems.
> Upgrade zookeeper dependency to 3.4.8
> -------------------------------------
>
> Key: FLINK-5987
> URL: https://issues.apache.org/jira/browse/FLINK-5987
> Project: Flink
> Issue Type: Improvement
> Components: Build System
> Reporter: Ted Yu
>
> zookeeper 3.4.8 has been released.
> Among the fixes the following are desirable:
> ZOOKEEPER-706 large numbers of watches can cause session re-establishment to
> fail
> ZOOKEEPER-1797 PurgeTxnLog may delete data logs during roll
> This issue upgrades zookeeper dependency to 3.4.8
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