Melissa You created HADOOP-18518:
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Summary: Bump Zookeeper to 3.6.3 and Curator to 5.2.0 in branch 3.3
Key: HADOOP-18518
URL: https://issues.apache.org/jira/browse/HADOOP-18518
Project: Hadoop Common
Issue Type: Improvement
Reporter: Melissa You
Assignee: Melissa You
This is the parent ticket. We plan to backport the upgrade from trunk to
branch-3.3 in 3 PRs:
PR1. Cherry pick [https://github.com/apache/hadoop/pull/3241] which simply bump
the version.
PR2. Cherry pick [https://github.com/apache/hadoop/pull/3266] which solved the
deprecation of PathChildrenCache/TreeCache in new ZK. Note, we need to backport
https://issues.apache.org/jira/browse/HDFS-15383 along because PR-3266 is based
on this earlier change, specifically isTokenWatcherEnabled was introduced in
[ZKDelegationTokenSecretManager.java|https://github.com/apache/hadoop/pull/2047/files#diff-f65a8ac81e253e85af159ba041fbad62fbb34b5bd909c1e9fc93d58222f406b9]
PR3.Cherry pick [https://github.com/apache/hadoop/pull/4812] which solved the
deprecation of EnsurePath in new Curator. Note, as this change contained a bug,
fixed by [https://github.com/apache/hadoop/pull/4885] , we thus need to cherry
pick this bug fix PR as well.
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