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In the event when active namenode fails over to standby node which becomes active, if the standby node is not started , users accessing hive via hive cli take long time to connect or the connection never happens.

When checking debug log via following command :

hive --hiveconf hive.root.logger=DEBUG,console

Following message appears multiple times in the console output:

INFO ipc.Client: Retrying connect to server: rp1.HORTON/ Already tried 0 time(s); retry policy is RetryPolicy[MultipleLinearRandomRetry[500x2000ms], TryOnceThenFail]

DEBUG retry.RetryUtils: RETRY 1) policy=MultipleLinearRandomRetry, Connection refused

Even after changing the property "yarn.resourcemanager.fs.state-store.retry-policy-spec" to lower value , MultipleLinearRandomRetry policy still remains the same and hive cli does not connect or connection never happens.


Inorder to fix this issue , please update yarn-site.xml file with following property. This would require YARN service restart.

yarn.timeline-service.entity-group-fs-store.retry-policy-spec=1000, 1

After this change , try connecting via hive cli , the initial request will take some time however the subsequent requests would be faster.

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Last update:
‎04-05-2017 02:53 PM
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