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https://issues.apache.org/jira/browse/HBASE-20806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16534315#comment-16534315
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Andrew Purtell commented on HBASE-20806:
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Test failures are environmental.
Checkstyle nit is relevant for this patch, please fix:
{noformat}
./hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/MonitoredTaskImpl.java:253:
if (journalEnabled && journal != null) {return;}:44: '{' at column 44
should have line break after. [LeftCurly]
{noformat}
> Split style journal for flushes and compactions
> -----------------------------------------------
>
> Key: HBASE-20806
> URL: https://issues.apache.org/jira/browse/HBASE-20806
> Project: HBase
> Issue Type: Improvement
> Reporter: Abhishek Singh Chouhan
> Assignee: Abhishek Singh Chouhan
> Priority: Minor
> Attachments: HBASE-20806.branch-1.001.patch,
> HBASE-20806.branch-1.002.patch, HBASE-20806.master.001.patch,
> HBASE-20806.master.002.patch
>
>
> In 1.x we have split transaction journal that gives a clear picture of when
> various stages of splits took place. We should have a similar thing for
> flushes and compactions so as to have insights into time spent in various
> stages, which we can use to identify regressions that might creep up.
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