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https://issues.apache.org/jira/browse/HBASE-6974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479493#comment-13479493
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Hudson commented on HBASE-6974:
-------------------------------
Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #227 (See
[https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/227/])
HBASE-6974 Metric for blocked updates (Michael Drzal) (Revision 1399880)
Result = FAILURE
larsh :
Files :
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java
> Metric for blocked updates
> --------------------------
>
> Key: HBASE-6974
> URL: https://issues.apache.org/jira/browse/HBASE-6974
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Michael Drzal
> Priority: Critical
> Fix For: 0.94.3, 0.96.0
>
> Attachments: 6974-v5.txt, HBASE-6974.patch, HBASE-6974-v2.patch,
> HBASE-6974-v3.patch, HBASE-6974-v4.patch
>
>
> When the disc subsystem cannot keep up with a sustained high write load, a
> region will eventually block updates to throttle clients.
> (HRegion.checkResources).
> It would be nice to have a metric for this, so that these occurrences can be
> tracked.
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