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Date: Tue, 7 Feb 2017 04:09:42 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
To: dev@tephra.incubator.apache.org
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Subject: [jira] [Commented] (TEPHRA-214) Provide a way to debug Transaction
 Pruning progress
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archived-at: Tue, 07 Feb 2017 04:09:49 -0000


    [ https://issues.apache.org/jira/browse/TEPHRA-214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15855286#comment-15855286 ] 

ASF GitHub Bot commented on TEPHRA-214:
---------------------------------------

GitHub user gokulavasan opened a pull request:

    https://github.com/apache/incubator-tephra/pull/31

    (TEPHRA-214) Tool to debug the state and progress of Invalid List Pruning

    JIRA : https://issues.apache.org/jira/browse/TEPHRA-214
    
    Summary: Introduce a debug tool to fetch data that might help with debugging the status and progress of invalid list transaction list pruning.
    
    Three commands are supported:
    timeregion <timestamp>  ==> Will return TimeRegions at or before timestamp in millis
    idleregions <numOfRegions> ==> Will return numOfRegions regions with lowest pruneUpperBounds. If -1 is provided, all pruneUpperBounds are returned.
    pruneinfo <regionNameAsString> => Will return pruneUpperBound, compactionTimeStamp of the 'regionNameAsString' region.
    
    This tool can be invoked with hbase classpath and tephra jars in the classpath.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/gokulavasan/incubator-tephra feature/tephra-pruning-debug

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-tephra/pull/31.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #31
    
----
commit dc4357824e8e48973cc5109c649aa8303f077233
Author: Gokul Gunasekaran <gokul@cask.co>
Date:   2017-02-03T20:10:40Z

    (TEPHRA-214) Tool to debug the state and progress of Invalid List Pruning

----


> Provide a way to debug Transaction Pruning progress
> ---------------------------------------------------
>
>                 Key: TEPHRA-214
>                 URL: https://issues.apache.org/jira/browse/TEPHRA-214
>             Project: Tephra
>          Issue Type: Improvement
>            Reporter: Gokul Gunasekaran
>            Assignee: Gokul Gunasekaran
>
> It would be good to get information about what regions are lagging that might be useful to debug why transaction pruning might not be happening. We do print debug information but this method could be invoked on a need-basis outside of the regular pruning operation.


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