You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hbase.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2012/11/05 02:36:18 UTC
[jira] [Commented] (HBASE-6974) Metric for blocked updates
[ https://issues.apache.org/jira/browse/HBASE-6974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13490361#comment-13490361 ]
Hudson commented on HBASE-6974:
-------------------------------
Integrated in HBase-0.94-security-on-Hadoop-23 #9 (See [https://builds.apache.org/job/HBase-0.94-security-on-Hadoop-23/9/])
HBASE-6974 Metric for blocked updates (Michael Drzal) (Revision 1399881)
Result = FAILURE
larsh :
Files :
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java
* /hbase/branches/0.94/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.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira