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Posted to issues@hbase.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2013/06/21 19:48:22 UTC

[jira] [Created] (HBASE-8785) revise zookeeper session timeout setting

Sergey Shelukhin created HBASE-8785:
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             Summary: revise zookeeper session timeout setting
                 Key: HBASE-8785
                 URL: https://issues.apache.org/jira/browse/HBASE-8785
             Project: HBase
          Issue Type: Improvement
    Affects Versions: 0.95.1
            Reporter: Sergey Shelukhin
             Fix For: 0.95.2


Current ZK session timeout is set to 90sec., and the comment in the doc says: "This setting becomes zookeeper's 'maxSessionTimeout'". However, this comment is misleading - it doesn't always become maxSessionTimeout, min(our timeout, maxSessionTimeout) is chosen. Moreover, the default maxSessionTimeout in ZK that I'm looking at is 40s, so this setting doesn't do anything.
Additionally, 40s. seems like a lot of time.

1) Should the comment be changed to tell the user to change ZK config if they want higher timeout?
2) Should the setting be revised down?

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