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Posted to notifications@iotdb.apache.org by "Haonan Hou (Jira)" <ji...@apache.org> on 2021/12/22 08:55:00 UTC

[jira] [Commented] (IOTDB-2190) 40G-heap-size IoTDB on 16-core-cpu machine insert throughput fluctuates

    [ https://issues.apache.org/jira/browse/IOTDB-2190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17463652#comment-17463652 ] 

Haonan Hou commented on IOTDB-2190:
-----------------------------------

Update:

The memtable size is related with the insert throughput.

!3559ba387f33729d464d9117ba0a0e60.jpg!

!ad328e02007589867a068c64510a3dab.jpg!

> 40G-heap-size IoTDB on 16-core-cpu machine insert throughput fluctuates
> -----------------------------------------------------------------------
>
>                 Key: IOTDB-2190
>                 URL: https://issues.apache.org/jira/browse/IOTDB-2190
>             Project: Apache IoTDB
>          Issue Type: Task
>            Reporter: Haonan Hou
>            Priority: Major
>         Attachments: 3559ba387f33729d464d9117ba0a0e60.jpg, ad328e02007589867a068c64510a3dab.jpg, image-2021-12-22-16-49-32-607.png
>
>
> When we test the insert throughput of 0.12.4, we can see 40G-heap-size IoTDB on 16-core-cpu machine has more frustration than 20G-heap-size IoTDB on 8-core-cpu machine.
>  
> !image-2021-12-22-16-49-32-607.png!
> We need to find out the reason of it and find the way to keep the insert throughput stabled.



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