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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1997) zk tick time bounds maximum zk session time
Date Sun, 22 Nov 2009 00:31:39 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-1997:
-------------------------

    Attachment: 1997.patch

Change session timeout to 40 seconds.  Fixed the explaination.

> zk tick time bounds maximum zk session time
> -------------------------------------------
>
>                 Key: HBASE-1997
>                 URL: https://issues.apache.org/jira/browse/HBASE-1997
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>         Attachments: 1997.patch
>
>
> Default session is set to 60 seconds but ticktime is 2 seconds.
> http://hadoop.apache.org/zookeeper/docs/current/zookeeperProgrammers.html#ch_zkSessions
> "One of the parameters to the ZooKeeper client library call to create a ZooKeeper session
is the session timeout in milliseconds. The client sends a requested timeout, the server responds
with the timeout that it can give the client. The current implementation requires that the
timeout be a minimum of 2 times the tickTime (as set in the server configuration) and a maximum
of 20 times the tickTime."
> So, max is actually 40 seconds.

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