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https://issues.apache.org/jira/browse/CASSANDRA-2941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13078473#comment-13078473
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Jonathan Ellis commented on CASSANDRA-2941:
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I'm talking about timeoutsPerHost, not recentTimeoutsPerHost.  since tPH is a 
plain HashMap there is no happens-before relationship between the updates and 
the reads.

> Expose number of rpc timeouts for individual hosts metric via jmx 
> ------------------------------------------------------------------
>
>                 Key: CASSANDRA-2941
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2941
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Melvin Wang
>            Assignee: Melvin Wang
>            Priority: Minor
>         Attachments: c2941.patch
>
>
> We have a total number timeouts for each node. It's better for monitoring to 
> break down this total number into number of timeouts per host that this node 
> tried to connect to.

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