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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11702) Better introspection of long running compactions
Date Tue, 12 Aug 2014 20:58:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094664#comment-14094664
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Lars Hofhansl commented on HBASE-11702:
---------------------------------------

bq. Not worth the effort of making RS-wide metrics out of that.
Seems like a very useful metric to me. If we had total bytes/KVs flushed, total bytes/KVs
minor, and total bytes/KVs major compacted per region server that seem to be very useful metrics.
Would only need to collect the metric locally per flush/compaction and then update the RS
metric with the total for the flush/compaction.

> Better introspection of long running compactions
> ------------------------------------------------
>
>                 Key: HBASE-11702
>                 URL: https://issues.apache.org/jira/browse/HBASE-11702
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>             Fix For: 0.99.0, 2.0.0, 0.98.6
>
>         Attachments: HBASE-11702.patch
>
>
> For better introspection of long running compactions, periodically print compaction progress
for a file at DEBUG level (thread name, file path, total compacted KVs, total compacted bytes,
completion percent, rate).



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