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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8446) Allow parallel snapshot of different tables
Date Wed, 01 May 2013 23:16:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13647056#comment-13647056
] 

Matteo Bertozzi commented on HBASE-8446:
----------------------------------------

no you're right, I assumed the prepare() and take() were both under synchronized...

anyway, with the current code in that case the worst thing that may happen is that you've
two snapshot operations running and my guess is that one of the two will fail since they both
poke with the zk procedure nodes that it will be in an unexpected state... result is a snapshot
failure on both... which is fine...

                
> Allow parallel snapshot of different tables
> -------------------------------------------
>
>                 Key: HBASE-8446
>                 URL: https://issues.apache.org/jira/browse/HBASE-8446
>             Project: HBase
>          Issue Type: Improvement
>          Components: snapshots
>    Affects Versions: 0.95.0
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Minor
>             Fix For: 0.95.2
>
>         Attachments: HBASE-8446-94.patch, HBASE-8446-v0.patch, HBASE-8446-v1.patch, HBASE-8446-v2.patch,
HBASE-8446-v3.patch, HBASE-8446-v4.patch, HBASE-8446-v5.patch
>
>
> currently only one snapshot at the time is allowed.
> Like for the restore, we should allow taking snapshot of different tables in parallel.

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