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https://issues.apache.org/jira/browse/HIVE-13352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15243236#comment-15243236
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Siddharth Seth commented on HIVE-13352:
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Zookeeper is restarted between each and every test run by TestCliDriver (and
it's variants). I don't think this is a big performance penalty, but seems like
unnecessary step. We can definitely look at clearing up the contents of ZK
instead of restarting it.
> Seems unnecessary for HBase tests to call QTestUtil.tearDown to close
> zookeeper and others.
> -------------------------------------------------------------------------------------------
>
> Key: HIVE-13352
> URL: https://issues.apache.org/jira/browse/HIVE-13352
> Project: Hive
> Issue Type: Improvement
> Components: Test
> Affects Versions: 2.1.0
> Reporter: Aihua Xu
>
> HBase tests TestHBaseCliDriver.java right now call QTestUtil.tearDown to turn
> off Zookeeper and others after each test. Seems we can reuse them for all the
> tests while we just need to clear all the test data similar to TestCliDriver.
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