[jira] [Assigned] (HBASE-4746) Use a random ZK client port in unit tests so we can run them in parallel

["Ted Yu (Assigned) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-4746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu reassigned HBASE-4746:
-----------------------------

    Assignee: Mikhail Bautin
    
> 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
>         Attachments: 4746-trunk-v2.txt, D255.1.patch, D279.1.patch, D279.2.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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