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From "Riley Patterson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4057) Implement HBase version of "show processlist"
Date Fri, 08 Jul 2011 20:29:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13062160#comment-13062160
] 

Riley Patterson commented on HBASE-4057:
----------------------------------------

At this point, that's more or less the route I'm taking. I'm currently focusing on exposing
the TaskMonitor to the Jetty HTTP server with as many useful metrics as I can expose for each
task. Other tools that want to access the information (i.e. the shell or diagnostic tools)
can then query the HTTP server for a JSON structure and parse and display it however they
like.

> Implement HBase version of "show processlist"
> ---------------------------------------------
>
>                 Key: HBASE-4057
>                 URL: https://issues.apache.org/jira/browse/HBASE-4057
>             Project: HBase
>          Issue Type: New Feature
>          Components: client, regionserver
>            Reporter: Nicolas Spiegelberg
>            Assignee: Riley Patterson
>
> One of the features that our DBAs use for MySQL analysis is "show processlist", which
gives application-level stats about the RPC threads.  Right now, we use jstack but that is
very core-developer-centric.  We need to create a similar tool that DBA/Ops/AppDevs can use.

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