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https://issues.apache.org/jira/browse/FLINK-15447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17020889#comment-17020889
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Yang Wang commented on FLINK-15447:
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[~victor-wong] Usually, it could work. However, it is not guaranteed that we do
not use other uses to write something into tmp directory.
If the {{java.io.tmpdir}} is configurable, it makes many sense to me for the
changes. For Yarn deployment, we will override it to {{$PWD/tmp}}. For other
deployments, it will be the default value
{{System.getProperty("java.io.tmpdir")}}.
> 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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