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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2414) Enhance test suite to be able to specify distributed scenarios
Date Fri, 23 Apr 2010 08:07:50 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-2414:
-------------------------

    Attachment: testmaster-v4.patch

This approach seems more promising.  It makes all the interfaces used networking configurable
and then provides direct connect between master and regionservers with no network involved.
 The instances are readily available so can do stuff like remove meta and then send in a close
message.  Not done yet.  Just posting what I have so far.  Will keep at it.

> Enhance test suite to be able to specify distributed scenarios
> --------------------------------------------------------------
>
>                 Key: HBASE-2414
>                 URL: https://issues.apache.org/jira/browse/HBASE-2414
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.20.3
>            Reporter: Karthik Ranganathan
>             Fix For: 0.20.5, 0.21.0
>
>         Attachments: directcluster.txt, master2.txt, testmaster-v4.patch
>
>
> We keep finding good cases that are reasonably hard to test, yet the test suite does
not encode these. 
> For example: 
> HBASE-2413 Master does not respect generation stamps, may result in meta getting permanently
offlined
> HBASE-2312 Possible data loss when RS goes into GC pause while rolling HLog
> I am sure there are many more such "scenarios" we should put into the unit tests. 

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