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https://issues.apache.org/jira/browse/HBASE-8446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13643838#comment-13643838
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Ted Yu commented on HBASE-8446:
-------------------------------

{code}
     assertTrue("We expect at least 1 request to be rejected because of we 
concurrently" +
         " issued many requests", takenSize < ssNum && takenSize > 0);
{code}
I think it would be better if 
TestFlushSnapshotFromClient#testConcurrentSnapshottingAttempts is split into 
two tests: one where single table is snapshotted and one where two tables are 
snapshotted concurrently. In the second case, there is no conflict and we 
should have two snapshots.
                
> 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-v0.patch, HBASE-8446-v1.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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