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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8726) Create an Integration Test for online schema change
Date Thu, 18 Jul 2013 22:54:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13713027#comment-13713027
] 

Enis Soztutar commented on HBASE-8726:
--------------------------------------

bq. his plan was to extract all the actions and then change this test to make alters happening
while destroying the cluster.
Running two policies, one for destruction, one for doing the alters makes sense. We can also
consider doing the deterministic approach of running all the actions once first, then running
them randomly, something like using 
{code}
new ChaosMonkey.CompositeSequentialPolicy(
            new ChaosMonkey.DoActionsOncePolicy(CHAOS_EVERY_MS, actions),
            new ChaosMonkey.PeriodicRandomActionPolicy(CHAOS_EVERY_MS, actions))
{code}
                
> Create an Integration Test for online schema change
> ---------------------------------------------------
>
>                 Key: HBASE-8726
>                 URL: https://issues.apache.org/jira/browse/HBASE-8726
>             Project: HBase
>          Issue Type: Bug
>          Components: Admin
>    Affects Versions: 0.98.0, 0.95.1
>            Reporter: Elliott Clark
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.95.2
>
>         Attachments: HBASE-8726-0.patch, HBASE-8726-1.patch, HBASE-8726-2.patch, HBASE-8726-3.patch
>
>
> With table locks in place it should be time to start really testing online table schema
changes.

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