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https://issues.apache.org/jira/browse/HBASE-14693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14975086#comment-14975086
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Andrew Purtell commented on HBASE-14693:
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Thanks for picking this up [~chenheng]!
Histograms of the server side feedback values and the other information they
provide (like number of samples) is a great start. To complete the picture we
should have metrics on the use of DelayingRunner: count of use of normal
runners, count of use of delaying runners, histogram of delaying runner delay
intervals.
> Add client-side metrics for received pushback signals
> -----------------------------------------------------
>
> Key: HBASE-14693
> URL: https://issues.apache.org/jira/browse/HBASE-14693
> Project: HBase
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Attachments: HBASE-14693.patch, HBASE-14693_v1.patch,
> HBASE-14693_v2.patch
>
>
> HBASE-12911 added client side metrics. HBASE-5162 added a mechanism for
> sending advisory backpressure signals to clients when the server is heavily
> loaded, and HBASE-12702 and subtasks backported this to all active branches.
> Add client-side metrics for received pushback signal.
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