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Posted to notifications@iotdb.apache.org by "Jinrui Zhang (Jira)" <ji...@apache.org> on 2023/01/03 03:50:00 UTC

[jira] [Assigned] (IOTDB-5319) The write speed in atoms testing declined after merging commit 5126711d

     [ https://issues.apache.org/jira/browse/IOTDB-5319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jinrui Zhang reassigned IOTDB-5319:
-----------------------------------

    Assignee: Liuxuxin  (was: Jinrui Zhang)

> The write speed in atoms testing declined after merging commit 5126711d
> -----------------------------------------------------------------------
>
>                 Key: IOTDB-5319
>                 URL: https://issues.apache.org/jira/browse/IOTDB-5319
>             Project: Apache IoTDB
>          Issue Type: Improvement
>            Reporter: Jinrui Zhang
>            Assignee: Liuxuxin
>            Priority: Major
>         Attachments: image-2022-12-29-18-37-25-693.png, image-2022-12-29-18-38-45-394.png
>
>
> !image-2022-12-29-18-37-25-693.png|width=701,height=156!
>  
> After merging this commit, the write speed in atoms testing declined. 
>  
> We inferred that this change lead to compaction grabs more CPU/IO resources, which decrease available resources of write/read.
>  
> After we change the parameter `iops_per_min` from 50 to 30, the scenario still exists.
> See this snapshot,
> !image-2022-12-29-18-38-45-394.png|width=541,height=346!
>  
> Let's investigate the details.



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