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https://issues.apache.org/jira/browse/HBASE-25828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell updated HBASE-25828:
----------------------------------------
    Description: 
Similar to HBASE-25642, but compaction progress warnings.

Lots of warnings like:

{noformat}
2021-04-30 00:55:15,436 WARN  [regionserver/ip-172-31-63-65:8120] 
compactions.CompactionProgress: totalCompactingKVs=15589 less than 
currentCompactedKVs=21411
{noformat}

{noformat}
2021-04-30 00:55:15,437 WARN  [regionserver/ip-172-31-63-65:8120] 
compactions.CompactionProgress: totalCompactingKVs=21916 less than 
currentCompactedKVs=33328
{noformat}

{noformat}
2021-04-30 00:55:15,438 WARN  [regionserver/ip-172-31-63-65:8120]
compactions.CompactionProgress: totalCompactingKVs=89731 less than 
currentCompactedKVs=92808
{noformat}

A couple of issues:

- Is there a way to make CompactionProgress more reliable? I seem to recall 
this is the second or third time around the block on this.

- This is annoying because compaction progress isn't always accurate, but this 
information is not used to determine anything significant, so WARN level is a 
bit much. (Or, if this is a real correctness problem, see point above.)

  was:
Lots of warnings like:

{noformat}
2021-04-30 00:55:15,436 WARN  [regionserver/ip-172-31-63-65:8120] 
compactions.CompactionProgress: totalCompactingKVs=15589 less than 
currentCompactedKVs=21411
{noformat}

{noformat}
2021-04-30 00:55:15,437 WARN  [regionserver/ip-172-31-63-65:8120] 
compactions.CompactionProgress: totalCompactingKVs=21916 less than 
currentCompactedKVs=33328
{noformat}

{noformat}
2021-04-30 00:55:15,438 WARN  [regionserver/ip-172-31-63-65:8120]
compactions.CompactionProgress: totalCompactingKVs=89731 less than 
currentCompactedKVs=92808
{noformat}

A couple of issues:

- Is there a way to make CompactionProgress more reliable? I seem to recall 
this is the second or third time around the block on this.

- This is annoying because compaction progress isn't always accurate, but this 
information is not used to determine anything significant, so WARN level is a 
bit much. (Or, if this is a real correctness problem, see point above.)


> CompactionProgress WARNS: "totalCompactingKVs=N less than 
> currentCompactedKVs=M"
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-25828
>                 URL: https://issues.apache.org/jira/browse/HBASE-25828
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.4.3
>            Reporter: Andrew Kyle Purtell
>            Priority: Minor
>             Fix For: 3.0.0-alpha-1, 2.5.0, 2.4.4
>
>
> Similar to HBASE-25642, but compaction progress warnings.
> Lots of warnings like:
> {noformat}
> 2021-04-30 00:55:15,436 WARN  [regionserver/ip-172-31-63-65:8120] 
> compactions.CompactionProgress: totalCompactingKVs=15589 less than 
> currentCompactedKVs=21411
> {noformat}
> {noformat}
> 2021-04-30 00:55:15,437 WARN  [regionserver/ip-172-31-63-65:8120] 
> compactions.CompactionProgress: totalCompactingKVs=21916 less than 
> currentCompactedKVs=33328
> {noformat}
> {noformat}
> 2021-04-30 00:55:15,438 WARN  [regionserver/ip-172-31-63-65:8120]
> compactions.CompactionProgress: totalCompactingKVs=89731 less than 
> currentCompactedKVs=92808
> {noformat}
> A couple of issues:
> - Is there a way to make CompactionProgress more reliable? I seem to recall 
> this is the second or third time around the block on this.
> - This is annoying because compaction progress isn't always accurate, but 
> this information is not used to determine anything significant, so WARN level 
> is a bit much. (Or, if this is a real correctness problem, see point above.)



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