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https://issues.apache.org/jira/browse/HBASE-1030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12651188#action_12651188
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stack commented on HBASE-1030:
------------------------------
Remove log of the serverload on regionserver side; will get real fat when loads
of regions.
> Bit of polish on HBASE-1018
> ---------------------------
>
> Key: HBASE-1030
> URL: https://issues.apache.org/jira/browse/HBASE-1030
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 0.19.0
>
>
> HBASE-1018 added new attributes to serverload and then in the master UI,
> outputted the new detailed serverload. Looking at this w/ jgray, if hundreds
> of regions per server, the UI will blow out trying to list per region load.
> Jgray suggested that region-level detail instead should show over on the
> regionserver itself. Will change the UI to do as he suggests and just leave
> the new summary memory used, etc., showing in the load box over in master UI.
> Doing math, we at first were afraid that the new fatter HServerLoad instance
> would overload the master when hundreds of regions but doing the math and
> counting the attributes that make up the new HSL, it looks like about ~128
> characters per server every 3 second heartbeat, not too much.. so that should
> be fine.
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