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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-13234) Add histogram for delay to deliver hints
Date Tue, 21 Feb 2017 18:29:44 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15876437#comment-15876437
] 

Aleksey Yeschenko commented on CASSANDRA-13234:
-----------------------------------------------

Additionally, should preferably not try to parse a {{ByteBuffer}} in {{Hint}} directly. Add
a method to the serializer instead. Also, make it accept a version. Done as is, it might cause
issues when one day we inevitably change the serialisation.

> Add histogram for delay to deliver hints
> ----------------------------------------
>
>                 Key: CASSANDRA-13234
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13234
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Observability
>            Reporter: Jeff Jirsa
>            Assignee: Jeff Jirsa
>            Priority: Minor
>             Fix For: 3.0.x, 3.11.x
>
>
> There is very little visibility into hint delivery in general - having histograms available
to understand how long it takes to deliver hints is useful for operators to better identify
problems. 



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