You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@flink.apache.org by "Chesnay Schepler (JIRA)" <ji...@apache.org> on 2018/08/25 09:29:00 UTC

[jira] [Closed] (FLINK-10214) why is job applying as many TMs as default parallelism when starting, each parallelism is 1

     [ https://issues.apache.org/jira/browse/FLINK-10214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler closed FLINK-10214.
------------------------------------
    Resolution: Invalid

Multi-slot support is currently being worked on, see FLINK-9455.

For asking questions please refer to the mailing lists first.

> why is job applying as many TMs as default parallelism when starting, each parallelism is 1
> -------------------------------------------------------------------------------------------
>
>                 Key: FLINK-10214
>                 URL: https://issues.apache.org/jira/browse/FLINK-10214
>             Project: Flink
>          Issue Type: Task
>          Components: Cluster Management, TaskManager, YARN
>    Affects Versions: 1.5.0
>            Reporter: lzh9
>            Priority: Major
>
> If I set TM number=6, slot num each TM=8, memory each TM=4G, the job will apply 48 TMs, and use only one slot each, total memory usage is 192G. A few minutes later, it will release 40TMs, everything will be normal. 
> Is there any reason about it? 



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)