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From "Jimmy Xiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9233) isTableAvailable() may be stuck if an offline parent was never assigned
Date Thu, 15 Aug 2013 21:24:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13741496#comment-13741496
] 

Jimmy Xiang commented on HBASE-9233:
------------------------------------

I think it is meant to check if all the regions containing those splitKeys are available.
 If any one is not, the call return false. The +1 is for the first region which is always
counted.  So we do need some fix to exclude split parents since they could be offline so the
call return false?
                
> isTableAvailable() may be stuck if an offline parent was never assigned
> -----------------------------------------------------------------------
>
>                 Key: HBASE-9233
>                 URL: https://issues.apache.org/jira/browse/HBASE-9233
>             Project: HBase
>          Issue Type: Bug
>          Components: Client, Region Assignment
>    Affects Versions: 0.98.0, 0.95.1, 0.94.10
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Critical
>             Fix For: 0.98.0, 0.94.12, 0.96.0
>
>         Attachments: HBASE-9233-0.94-v0.patch, HBASE-9233-trunk-v0.patch
>
>
> HConnectionManager.isTableAvailable() the SERVER_QUALIFIER for each region, including
the offline split parent.
> In case of hbck META recovery or snapshots clone/restore an offline parent will never
be assigned (since should stay offline). In this case HBaseAdmin.waitUntilTableIsEnabled()
used by enable() and cloneSnapshot() will wait until the timeout is expired.

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