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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5359) Alter in the shell can be too quick and return before the table is altered
Date Fri, 18 Jan 2013 18:32:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13557449#comment-13557449
] 

Lars Hofhansl commented on HBASE-5359:
--------------------------------------

yeah I missed this one. Let's backport.

Also, looking at the patch, why are we using waitForPersist/setPersist instead of just waiting
until the future return from submit indicates that it is done?

                
> Alter in the shell can be too quick and return before the table is altered
> --------------------------------------------------------------------------
>
>                 Key: HBASE-5359
>                 URL: https://issues.apache.org/jira/browse/HBASE-5359
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: Nicolas Spiegelberg
>             Fix For: 0.96.0
>
>         Attachments: HBASE-5359.patch
>
>
> This seems to be a recent change in behavior but I'm still not sure where it's coming
from.
> The shell is able to call HMaster.getAlterStatus before the TableEventHandler is able
call AM.setRegionsToReopen so that the returned status shows no pending regions. It means
that the alter seems "instantaneous" although it's far from completed.

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