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https://issues.apache.org/jira/browse/HBASE-14693?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Heng Chen updated HBASE-14693:
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Attachment: HBASE-14693_v1.patch
update patch.
fix compile error, {{Map.putIfAbsent}} comes since java 1.8
> 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-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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