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Posted to issues@hbase.apache.org by "Briana Augenreich (Jira)" <ji...@apache.org> on 2022/08/25 13:57:00 UTC

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

    [ https://issues.apache.org/jira/browse/HBASE-26809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17584864#comment-17584864 ] 

Briana Augenreich commented on HBASE-26809:
-------------------------------------------

The Master branch PR is ready for review. (The branch 2 version has quite a bit more changes but I have that teed up and ready for when master is merged). 

> 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
>
> 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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