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https://issues.apache.org/jira/browse/HBASE-15134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16104915#comment-16104915
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Hudson commented on HBASE-15134:
--------------------------------
FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #3449 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/3449/])
HBASE-15134 Add visibility into Flush and Compaction queues (achouhan: rev
2d06a06ba4bbd2f64e28be5973eb1d447114bedc)
* (edit)
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSourceImpl.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactSplit.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegion.java
* (edit)
hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegionSourceImpl.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapperStub.java
* (edit)
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSource.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java
* (edit)
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapperImpl.java
> Add visibility into Flush and Compaction queues
> -----------------------------------------------
>
> Key: HBASE-15134
> URL: https://issues.apache.org/jira/browse/HBASE-15134
> Project: HBase
> Issue Type: New Feature
> Components: Compaction, metrics, regionserver
> Reporter: Elliott Clark
> Assignee: Abhishek Singh Chouhan
> Fix For: 3.0.0, 1.4.0, 1.5.0, 2.0.0-alpha-2
>
> Attachments: HBASE-15134.branch-1.001.patch,
> HBASE-15134.branch-1.001.patch, HBASE-15134.master.001.patch,
> HBASE-15134.master.002.patch, HBASE-15134.master.003.patch,
> HBASE-15134.patch, HBASE-15134.patch
>
>
> On busy spurts we can see regionservers start to see large queues for
> compaction. It's really hard to tell if the server is queueing a lot of
> compactions for the same region, lots of compactions for lots of regions, or
> just falling behind.
> For flushes much the same. There can be flushes in queue that aren't being
> run because of delayed flushes. There's no way to know from the metrics how
> many flushes are for each region, how many are delayed. Etc.
> We should add either more metrics around this ( num per region, max per
> region, min per region ) or add on a UI page that has the list of compactions
> and flushes.
> Or both.
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