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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-3836) Add facility to track currently progressing actions/workflows
Date Sat, 30 Apr 2011 23:08:03 GMT
Add facility to track currently progressing actions/workflows
-------------------------------------------------------------

                 Key: HBASE-3836
                 URL: https://issues.apache.org/jira/browse/HBASE-3836
             Project: HBase
          Issue Type: New Feature
          Components: master, regionserver
    Affects Versions: 0.92.0
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
             Fix For: 0.92.0


A lot of troubleshooting involves answering the question "well, what is your server doing
right now?" Today, that involves some combination of interpreting jstack output and/or trudging
through logs. Problems with these methods are: (a) users may not have direct ssh access to
regionserver machines in production environments, (b) logs are very verbose, so hard to separate
what's still going on vs stuff that might have completed, and (c) interpreting jstack requires
a pretty good knowledge of the codebase plus diving into source code.

I'd like to add a singleton (for now) which takes care of tracking any major actions going
on in the region server and master.

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