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https://issues.apache.org/jira/browse/HIVE-24824?focusedWorklogId=564735&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-564735
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ASF GitHub Bot logged work on HIVE-24824:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Mar/21 16:48
Start Date: 11/Mar/21 16:48
Worklog Time Spent: 10m
Work Description: pvargacl merged pull request #2016:
URL: https://github.com/apache/hive/pull/2016
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Issue Time Tracking
-------------------
Worklog Id: (was: 564735)
Time Spent: 1h 20m (was: 1h 10m)
> Define metrics for compaction observability
> -------------------------------------------
>
> Key: HIVE-24824
> URL: https://issues.apache.org/jira/browse/HIVE-24824
> Project: Hive
> Issue Type: Improvement
> Reporter: Peter Varga
> Assignee: Peter Varga
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Many times if there are failures in the Compaction background processes
> (Initiator, Worker, Cleaner) it is hard notice the problem until it causes
> serious performance degradation.
> We should create new JMX metrics, that would make it easier to monitor the
> compaction health. Examples are:
> * number of failed / initiated compaction
> * number of aborted txns, oldest aborted txns
> * tables with disabled compactions and writes
> * Initiator and Cleaner cycle runtime
> * Size of ACID metadata tables that should have ~ constant rows
> (txn_to_writeId, completed_txns)
>
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