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Posted to hdfs-issues@hadoop.apache.org by "Konstantin Boudnik (JIRA)" <ji...@apache.org> on 2013/06/01 07:21:20 UTC

[jira] [Commented] (HDFS-4826) TestNestedSnapshots times out due to repeated slow edit log flushes when running on virtualized disk

    [ https://issues.apache.org/jira/browse/HDFS-4826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13671991#comment-13671991 ] 

Konstantin Boudnik commented on HDFS-4826:
------------------------------------------

The record in CHANGES.txt in trunk should belong to 2.1.0-beta section as it does in branch-2.
Also, this ticket should be market as fixed in 2.1.0-beta release, not only 3.0.0
                
> TestNestedSnapshots times out due to repeated slow edit log flushes when running on virtualized disk
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-4826
>                 URL: https://issues.apache.org/jira/browse/HDFS-4826
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 3.0.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: HDFS-4826.1.patch
>
>
> As discussed on HDFS-2802, this test cannot complete in a reasonable time when running on slow virtualized disk.  It creates 2^16 snapshots and numerous files, and the repeated edit log flushes are a performance problem.

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