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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TEPHRA-214) Provide a way to debug Transaction Pruning progress
Date Tue, 07 Feb 2017 07:50:42 GMT

    [ https://issues.apache.org/jira/browse/TEPHRA-214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15855507#comment-15855507
] 

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

Github user poornachandra commented on a diff in the pull request:

    https://github.com/apache/incubator-tephra/pull/31#discussion_r99759929
  
    --- Diff: tephra-hbase-compat-1.1-base/src/main/java/org/apache/tephra/hbase/txprune/DataJanitorState.java
---
    @@ -102,11 +107,29 @@ public void savePruneUpperBoundForRegion(byte[] regionId, long pruneUpperBound)
        * @throws IOException when not able to read the data from HBase
        */
       public long getPruneUpperBoundForRegion(byte[] regionId) throws IOException {
    +    RegionPruneInfo regionPruneInfo = getPruneInfoForRegion(regionId);
    +    return (regionPruneInfo == null) ? -1 : regionPruneInfo.getCompactionTimestamp();
    --- End diff --
    
    This has to return the `regionPruneInfo.getPruneUpperBound()`, right?


> 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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