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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7788) [snapshot 130201 merge] Fix flakey TestRestore*SnapshotFromClient#testCloneSnapshot
Date Thu, 07 Feb 2013 23:07:13 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hsieh updated HBASE-7788:
----------------------------------

    Attachment: hbase-7788.v2.patch

version I committed (added extra comments)
                
> [snapshot 130201 merge] Fix flakey TestRestore*SnapshotFromClient#testCloneSnapshot
> -----------------------------------------------------------------------------------
>
>                 Key: HBASE-7788
>                 URL: https://issues.apache.org/jira/browse/HBASE-7788
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jonathan Hsieh
>            Assignee: Jonathan Hsieh
>         Attachments: hbase-7788.debug.patch, hbase-7788.patch, hbase-7788.v2.patch
>
>
> In the current implementation the clone call waits until after the newly created table
isTableEnabled. However there is another state (apparently orthogonal) that a newly created
table is assumed to be – isTableAvailable (all regions assigned). The logic for checking
after table creation and after clone creation are slightly different – creation does the
equivalent of isTableAvailable but clone does not check this availability condition.
> This causes flaky failures in tests that quickly try to use/delete a newly cloned table.
> TestRestoreSnapshotFromClient#testCloneSnapshot
> TestRestoreFlushSnapshotFromCleitn#testCloneSnapshot
> I believe there also are race conditions because of the postTableCreateHandler corpco
and postTableDeleteHandler coproc hooks.

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