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Posted to dev@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2017/05/19 21:59:04 UTC

[jira] [Created] (HIVE-16724) increase session timeout for LLAP ZK token manager

Sergey Shelukhin created HIVE-16724:
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             Summary: 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


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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