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https://issues.apache.org/jira/browse/HIVE-25080?focusedWorklogId=601583&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-601583
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ASF GitHub Bot logged work on HIVE-25080:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 25/May/21 08:51
            Start Date: 25/May/21 08:51
    Worklog Time Spent: 10m 
      Work Description: klcopp merged pull request #2297:
URL: https://github.com/apache/hive/pull/2297


   


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 601583)
    Time Spent: 0.5h  (was: 20m)

> Create metric about oldest entry in "ready for cleaning" state
> --------------------------------------------------------------
>
>                 Key: HIVE-25080
>                 URL: https://issues.apache.org/jira/browse/HIVE-25080
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Antal Sinkovits
>            Assignee: Antal Sinkovits
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> When a compaction txn commits, COMPACTION_QUEUE.CQ_COMMIT_TIME is updated 
> with the current time. Then the compaction state is set to "ready for 
> cleaning". (... and then the Cleaner runs and the state is set to "succeeded" 
> hopefully)
> Based on this we know (roughly) how long a compaction has been in state 
> "ready for cleaning".
> We should create a metric similar to compaction_oldest_enqueue_age_in_sec 
> that would show that the cleaner is blocked by something i.e. find the 
> compaction in "ready for cleaning" that has the oldest commit time.



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