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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4292) Add a debugging dump servlet to the master
Date Tue, 30 Aug 2011 05:28:37 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13093447#comment-13093447
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Todd Lipcon commented on HBASE-4292:
------------------------------------

Yea, the idea is to have it all in one place, so I can tell someone I'm supporting "curl http://master:60010/dump
| gzip - > for-todd.gz" and have everything I need to diagnose an issue in one spot.

> Add a debugging dump servlet to the master
> ------------------------------------------
>
>                 Key: HBASE-4292
>                 URL: https://issues.apache.org/jira/browse/HBASE-4292
>             Project: HBase
>          Issue Type: New Feature
>          Components: master
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.92.0
>
>         Attachments: 0007-HBASE-4292.-MasterDumpServlet-v2.patch
>
>
> For debugging clusters, it would be nice to have a single text-only page that can be
"curled" and used for debugging. This servlet will include the following info:
> - build version
> - monitored task status
> - server list
> - recently aborted region servers (see HBASE-4275)
> - regions in transition
> - executor pool status (see HBASE-4281)
> - stack trace of all threads
> - configuration
> - last N KB of the server's logs

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