Hadoop QA commented on ZOOKEEPER-601:

+1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 911716.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 9 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of 
release audit warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: 
Findbugs warnings: 
Console output: 

This message is automatically generated.

> allow configuration of session timeout min/max bounds
> -----------------------------------------------------
>                 Key: ZOOKEEPER-601
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-601
>             Project: Zookeeper
>          Issue Type: Improvement
>          Components: server
>    Affects Versions: 3.2.1
>            Reporter: Patrick Hunt
>            Assignee: Patrick Hunt
>             Fix For: 3.3.0
>         Attachments: ZOOKEEPER-601.patch
> ZK servers currently enforce a min/max boundary on client session timeout 
> relative to the ticktime setting, detailed here:
> http://hadoop.apache.org/zookeeper/docs/current/zookeeperProgrammers.html#ch_zkSessions
> In general there are good reasons for this however in some cases, in 
> particular with HBase region servers, we have seen a need to allow this bound 
> to be set differently (higher). The Sun jvm can GC pause for very long times 
> (in some cases we've seen 4 minutes even with the "realtime" gc.
> It would be good to allow this bound to be set via configuration parameters. 
> Note: 4letterword and JMX integration would be needed.

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