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Posted to issues@hbase.apache.org by "Michael Drzal (JIRA)" <ji...@apache.org> on 2012/10/12 19:55:03 UTC
[jira] [Assigned] (HBASE-6974) Metric for blocked updates
[ https://issues.apache.org/jira/browse/HBASE-6974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Drzal reassigned HBASE-6974:
------------------------------------
Assignee: Michael Drzal
> 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
> Fix For: 0.94.3, 0.96.0
>
>
> 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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