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https://issues.apache.org/jira/browse/HIVE-3659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493300#comment-13493300
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Ashutosh Chauhan commented on HIVE-3659:
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+1 will commit if tests pass.
> TestHiveHistory::testQueryloglocParentDirNotExist Test fails on Windows
> because of some resource leaks in ZK
> ------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-3659
> URL: https://issues.apache.org/jira/browse/HIVE-3659
> Project: Hive
> Issue Type: Bug
> Components: Tests
> Affects Versions: 0.10.0, 0.9.1
> Reporter: Kanna Karanam
> Assignee: Kanna Karanam
> Labels: Windows
> Fix For: 0.10.0, 0.9.1
>
> Attachments: HIVE-3659.1.patch.txt
>
>
> Hive uses ZK for locking. In some test cases, ZK is not behaving well. In
> thread dumps, I saw it is waiting for locks to be released but they were not
> getting released. Hive tries to release locks but keeps failing, it
> eventually times out for its release attempts, which in default settings
> takes 10 mins. This is also the cause of why some queries take
> extra-ordinarily long to run. I suggest to disable ZK locking till ZK is
> certified for windows.
> In this test case, I don’t see a requirement to use ZK so I am disabling the
> HiveConf.ConfVars.HIVE_SUPPORT_CONCURRENCY to work around the issue.
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