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From "Phabricator (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4742) Split dead server's log in parallel
Date Fri, 04 Nov 2011 13:35:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13144009#comment-13144009
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Phabricator commented on HBASE-4742:
------------------------------------

tedyu has commented on the revision "[jira] [HBASE-4742] Split dead server's log in parallel".

INLINE COMMENTS
  src/main/java/org/apache/hadoop/hbase/master/ProcessServerShutdown.java:351 Something seems
to be missing after the log statement.

  Minor: missing space between double quote and 'and'
  src/main/java/org/apache/hadoop/hbase/master/ProcessServerShutdown.java:311 A return statement
is missing, if I understand correctly.

REVISION DETAIL
  https://reviews.facebook.net/D237

                
> Split dead server's log in parallel
> -----------------------------------
>
>                 Key: HBASE-4742
>                 URL: https://issues.apache.org/jira/browse/HBASE-4742
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liyin Tang
>            Assignee: Liyin Tang
>         Attachments: D237.1.patch
>
>
> When one region server goes down, the master will shutdown the region server and split
its log.
> However, splitting log is a blocking call and it would take some time.
> If more than one region server go down, the master will split its log one by one, which
is not efficient.
> Since we have the distributed log split, we could split these logs from the dead servers
in parallel. 

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