[jira] [Commented] (HBASE-26809) Report client backoff time for server overloaded in ConnectionMetrics

["Hudson (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-26809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17634991#comment-17634991 ] 

Hudson commented on HBASE-26809:
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Results for branch branch-2.5
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> Report client backoff time for server overloaded in ConnectionMetrics
> ---------------------------------------------------------------------
>
>                 Key: HBASE-26809
>                 URL: https://issues.apache.org/jira/browse/HBASE-26809
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Bryan Beaudreault
>            Assignee: Briana Augenreich
>            Priority: Major
>              Labels: patch-available
>             Fix For: 3.0.0-alpha-4, 2.5.2
>
>
> Servers can throw CallQueueTooBigException and CallDroppedException when overloaded. As of HBASE-26807, these can have a configurable extra backoff to allow the server to recover. Depending on the server side queue implementation, different callers may be more or less impacted by server load. It is very useful to measure in the client how much time is spent backing off so we can see which clients are most affected by server overload.



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