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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16724) increase session timeout for LLAP ZK token manager
Date Sat, 20 May 2017 04:32:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lefty Leverenz updated HIVE-16724:
----------------------------------
    Labels: TODOC2.4  (was: )

> increase session timeout for LLAP ZK token manager
> --------------------------------------------------
>
>                 Key: HIVE-16724
>                 URL: https://issues.apache.org/jira/browse/HIVE-16724
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>              Labels: TODOC2.4
>             Fix For: 3.0.0, 2.4.0
>
>         Attachments: HIVE-16724.patch
>
>
> ZKDTSM in Hadoop uses 10sec by default; looking at some logs from a flaky ZK instance,
I see that most other clients have 40-90sec. timeouts.
> ZKDTSM uses sharedvalue from curator; that instantly fails on session expiration, without
any retries. For now we are going to increase the session timeout to minimize problems due
to that.



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