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From "Stefan Podkowinski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-13234) Add histogram for delay to deliver hints
Date Wed, 08 Mar 2017 16:06:38 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15901481#comment-15901481
] 

Stefan Podkowinski commented on CASSANDRA-13234:
------------------------------------------------

Latest branches look fine to me. Just some small nits:
* Missing CHANGES.txt entry
* {{if(delay <= 0)}} missing space
* Superfluous {{throws IllegalArgumentException}} declaration in getHintCreationTime


> 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: 4.0
>
>
> 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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