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https://issues.apache.org/jira/browse/HBASE-5033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13172790#comment-13172790
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Phabricator commented on HBASE-5033:
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mbautin has commented on the revision
"[jira][HBASE-5033][[89-fb]]Opening/Closing store in parallel to reduce region
open/close time".
A couple of comments inline. Nice work!
INLINE COMMENTS
src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java:570 Remove
e.getCause().
src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java:818 Remove
e.getCause().
src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java:482 The
thread name should probably include region name.
src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java:823 Shut down
the thread pool here just in case.
REVISION DETAIL
https://reviews.facebook.net/D933
> Opening/Closing store in parallel to reduce region open/close time
> ------------------------------------------------------------------
>
> Key: HBASE-5033
> URL: https://issues.apache.org/jira/browse/HBASE-5033
> Project: HBase
> Issue Type: Improvement
> Reporter: Liyin Tang
> Assignee: Liyin Tang
> Attachments: D933.1.patch
>
>
> Region servers are opening/closing each store and each store file for every
> store in sequential fashion, which may cause inefficiency to open/close
> regions.
> So this diff is to open/close each store in parallel in order to reduce
> region open/close time. Also it would help to reduce the cluster restart time.
> 1) Opening each store in parallel
> 2) Loading each store file for every store in parallel
> 3) Closing each store in parallel
> 4) Closing each store file for every store in parallel.
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