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Posted to notifications@iotdb.apache.org by "Liuxuxin (Jira)" <ji...@apache.org> on 2023/01/20 10:41:00 UTC

[jira] [Commented] (IOTDB-5140) Add metrics for compaction deserializing pages or writing chunks

    [ https://issues.apache.org/jira/browse/IOTDB-5140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17679097#comment-17679097 ] 

Liuxuxin commented on IOTDB-5140:
---------------------------------

I have done some performance test for this PR.

For inner sequence space compaction, file num is 23, total file size is 4.0GB.
For inner unsequence space compaction, file num is 22, total file size is 4.7GB.
For cross space compaction, sequence file num is 1, unsequence file num is 1, sequence file size is 4.0GB, unsequence file size is 4.7 GB.

| | master(030302c96582f)| IOTDB-5140 |
|Inner-Seq| 281 s| 271 s |
|Inner-Unseq| 235 s| 239 s |
|Cross| 492 s| 501 s |



> Add metrics for compaction deserializing pages or writing chunks
> ----------------------------------------------------------------
>
>                 Key: IOTDB-5140
>                 URL: https://issues.apache.org/jira/browse/IOTDB-5140
>             Project: Apache IoTDB
>          Issue Type: Improvement
>            Reporter: Liuxuxin
>            Assignee: Liuxuxin
>            Priority: Major
>              Labels: pull-request-available
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> We want to trace the count of deserlializing chunk or pages during compaction.



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