[jira] [Commented] (FLINK-15447) Change "java.io.tmpdir" of JM/TM on Yarn to "{{PWD}}/tmp"

["Yun Tang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-15447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17006538#comment-17006538 ] 

Yun Tang commented on FLINK-15447:
----------------------------------

What caused the "/tmp" directory full? Flink already set {{io.tmp.dirs}} as 'LOCAL_DIRS' in YARN (please refer to [doc|https://ci.apache.org/projects/flink/flink-docs-stable/ops/config.html#io-tmp-dirs]), can {{io.tmp.dirs}} meet your needs?

> Change "java.io.tmpdir"  of JM/TM on Yarn to "{{PWD}}/tmp" 
> -----------------------------------------------------------
>
>                 Key: FLINK-15447
>                 URL: https://issues.apache.org/jira/browse/FLINK-15447
>             Project: Flink
>          Issue Type: Improvement
>          Components: Deployment / YARN
>    Affects Versions: 1.9.1
>            Reporter: Victor Wong
>            Priority: Major
>
> Currently, when running Flink on Yarn, the "java.io.tmpdir" property is set to the default value, which is "/tmp". 
>  
> Sometimes we ran into exceptions caused by a full "/tmp" directory, which would not be cleaned automatically after applications finished.
> I think we can set "java.io.tmpdir" to "{{{{PWD}}}}/tmp" directory, or something similar. "{{{{PWD}}}}" will be replaced with the true working directory of JM/TM by Yarn, which will be cleaned automatically.
>  



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