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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-4442) Provide test script to do rolling restart of RSs, master and do verification
Date Sat, 11 Apr 2015 00:50:14 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4442?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-4442.
-----------------------------------
    Resolution: Incomplete
      Assignee:     (was: Michael Weng)

> Provide test script to do rolling restart of RSs, master and do verification
> ----------------------------------------------------------------------------
>
>                 Key: HBASE-4442
>                 URL: https://issues.apache.org/jira/browse/HBASE-4442
>             Project: HBase
>          Issue Type: Improvement
>          Components: test
>            Reporter: Ming Ma
>
> We use a script that restart RS on a rolling fashion and found couple new issues in HBase
in the area of server shutdown and region assignments. Running such test on a cluster will
help to verify changes made in the area of server shutdown and regions assignment. The script
could do the followings:
> 1. Based on the cluster config file, get the list of RSs and master server.
> 2. Restart RSs and Master periodically. The parameters like the sleep time between stop
and start, the percentage of machines down at at given time, etc. should be configurable.

> 3. Use hbck or other ways to verify the cluster is moving. There will be inconsistency
at a given time when you have lots of regions in transition. So that is ok. Script should
mark test failure only when things aren't moving, for example, .META. isn't online for >
timeoutmonitor period.



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