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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-8785) revise zookeeper session timeout setting
Date Fri, 21 Jun 2013 17:48:22 GMT
Sergey Shelukhin created HBASE-8785:
---------------------------------------

             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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