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https://issues.apache.org/jira/browse/HADOOP-2135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12540573
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Jim Kellerman commented on HADOOP-2135:
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Just remember that the number of requests is per heart-beat interval and is not
averaged or accumulated in any way.
Depending on when you look, the rate could either be very high or very low.
We need a better way of doing this, when we get more serious about load
balancing.
> [hbase] region 'requests' attribute is unreliable
> -------------------------------------------------
>
> Key: HADOOP-2135
> URL: https://issues.apache.org/jira/browse/HADOOP-2135
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/hbase
> Reporter: stack
> Priority: Minor
>
> Watching the hbase webUI, the request counter in the load column reported in
> the list of regionservers doesn't make sense. Refreshing, the request count
> will tend to rise for a while as you'd expect but then they'll start to fall
> and will often drop to zero. This is on regionservers with constant count of
> regions (I'd expect load to be zero on a new region after a split).
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