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https://issues.apache.org/jira/browse/HBASE-7536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13551318#comment-13551318
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Jonathan Hsieh edited comment on HBASE-7536 at 1/11/13 5:48 PM:
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bq. why the test has a timeout? are you expecting things hanging? are 60sec 
enough to fill a table and take 5 snapshot, when jenkins is busy with other 
large stuff?

In general if I have code that has a while(true) loop, I make it have a 
timeout.  The test finishes in about 10 seconds so giving a timeout of 5-10x 
seems reasonable.  If it isn't enough, we can bump it up.

bq. why are you using a thread instead of using the taskSnapshotAsync()? (no 
particular opinion on that, I like the thread)

No good reason, I'll change it to the async version on the next rev.




                
      was (Author: jmhsieh):
    bq. why the test has a timeout? are you expecting things hanging?
are 60sec enough to fill a table and take 5 snapshot, when jenkins is busy with 
other large stuff?

In general if I have code that has a while(true) loop, I make it have a 
timeout.  The test finishes in about 10 seconds so giving a timeout of 5-10x 
seems reasonable.  If it isn't enough, we can bump it up.

bq. why are you using a thread instead of using the taskSnapshotAsync()? (no 
particular opinion on that, I like the thread)

No good reason, I'll change it to the async version on the next rev.




                  
> Add test that confirms that multiple concurrent snapshot requests are 
> rejected.
> -------------------------------------------------------------------------------
>
>                 Key: HBASE-7536
>                 URL: https://issues.apache.org/jira/browse/HBASE-7536
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jonathan Hsieh
>            Assignee: Jonathan Hsieh
>         Attachments: hbase-7536.patch, pre-hbase-7536.patch
>
>
> Currently the rule is that we can only have online snapshot running at a 
> time.  This test tries to prove this.

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