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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (STORM-70) use zookeeper-3.4.5
Date Thu, 27 Feb 2014 16:27:20 GMT

    [ https://issues.apache.org/jira/browse/STORM-70?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13914701#comment-13914701
] 

Robert Joseph Evans commented on STORM-70:
------------------------------------------

I am not really sure that that is the cause of the change in unit-test time (but it could
be).  I ran some tests on RHEL_6 on VM and the time to run all of the tests went from 2:30
to about 3:30.  The max memory utilization appears to have gone down from 850MB resident to
about 750MB resident.  But it wasn't extra computation happening, it was all in wall clock
time, like the ZK client is waiting longer for something to happen now (I ran this several
times and they are all fairly consistent).

Master:
real    2m29.159s
user    1m59.253s
sys     0m22.703s

STORM-70:
real    3m26.744s
user    1m52.505s
sys     0m24.081s

I'll try to see if I can figure out what is happening.  Without these changes though, ZK does
not work properly with Kerberos.

> use zookeeper-3.4.5
> -------------------
>
>                 Key: STORM-70
>                 URL: https://issues.apache.org/jira/browse/STORM-70
>             Project: Apache Storm (Incubating)
>          Issue Type: Improvement
>            Reporter: James Xu
>            Priority: Minor
>         Attachments: STORM-70-1.patch
>
>
> zookeeper 3.4.5 is commonly used in production.
> And a number of critical bugs exit in 3.3.3.



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