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From "Gary Helmling (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2146) RPC related metrics are missing in 0.20.3 since recent changes
Date Wed, 20 Jan 2010 15:47:54 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12802871#action_12802871

Gary Helmling commented on HBASE-2146:

Not having all the attributes initially available does seem a bit problematic if you have
automated monitoring setup.  You're likely to get an AttributeNotFoundException if you have
a process trying to retrieve it before it's there.

I'll take a shot at pre-registering those metrics.  I think we can do it with the code <->
method name map in HBaseRPC.  I'll post a patch for that (and remove the duplication) shortly.

> RPC related metrics are missing in 0.20.3 since recent changes
> --------------------------------------------------------------
>                 Key: HBASE-2146
>                 URL: https://issues.apache.org/jira/browse/HBASE-2146
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.3
>            Reporter: Lars George
>             Fix For: 0.20.4, 0.21.0
>         Attachments: jconsole-hbase-rpc.png, jmx-diffs.txt
> Since the recent change to the Metrics setup it seems that the RPC related stats have
been completely dropped. See attached files for details.

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