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https://issues.apache.org/jira/browse/HBASE-4742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13144599#comment-13144599
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Phabricator commented on HBASE-4742:
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mbautin 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:312
Ted: yes, that is correct. However, there could be a considerable number of
unique servers to split logs for, and some throttling of the number of
concurrent log splitting threads might still be good.
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, D237.2.patch, D237.3.patch, D237.4.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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