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Date: Mon, 7 Nov 2011 18:54:51 +0000 (UTC)
From: "Nicolas Spiegelberg (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HBASE-4746) Use a random ZK client port in unit
 tests so we can run them in parallel
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    [ https://issues.apache.org/jira/browse/HBASE-4746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13145702#comment-13145702 ] 

Nicolas Spiegelberg commented on HBASE-4746:
--------------------------------------------

@Ted & @Stack: since we've decided to allow more Metadata in our commit logs, it would be nice to use the patch comments when committing this diff.  Namely, including 'Differential Revision: #' will allow Phabricator to automatically mark the review as closed.
                
> Use a random ZK client port in unit tests so we can run them in parallel
> ------------------------------------------------------------------------
>
>                 Key: HBASE-4746
>                 URL: https://issues.apache.org/jira/browse/HBASE-4746
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Mikhail Bautin
>            Assignee: Mikhail Bautin
>             Fix For: 0.94.0
>
>         Attachments: 4746-trunk-v2.txt, D255.1.patch, D255.2.patch, D279-trunk-v5.txt, D279-trunk-v7.txt, D279.1.patch, D279.2.patch, D279.3.patch, D279.4.patch, D279.5.patch, D279.6.patch, D279.7.patch
>
>
> The hard-coded ZK client port has long been a problem for running HBase test suite in parallel. The mini ZK cluster should run on a random free port, and that port should be passed to all parts of the unit tests that need to talk to the mini cluster. In fact, randomizing the port exposes a lot of places in the code where a new configuration is instantiated, and as a result the client tries to talk to the default ZK client port and times out.
> The initial fix is for 0.89-fb, where it already allows to run unit tests in parallel in 10 minutes. A fix for the trunk will follow.

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