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https://issues.apache.org/jira/browse/ARROW-2250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16386840#comment-16386840
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ASF GitHub Bot commented on ARROW-2250:
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mitar commented on issue #1705: ARROW-2250: [Python] Do not create a subprocess
for plasma but just use existing process
URL: https://github.com/apache/arrow/pull/1705#issuecomment-370586030
See issue ARROW-2250. So the issue is that now you have two process when you
run `plasma_store`. Outside Python process which is not doing anything else
besides `wait()` on the child process. If this is so, just replace the parent
with the child. So instead of two separate processes you have one. This is what
you/we want.
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> plasma_store process should cleanup on INT and TERM signals
> -----------------------------------------------------------
>
> Key: ARROW-2250
> URL: https://issues.apache.org/jira/browse/ARROW-2250
> Project: Apache Arrow
> Issue Type: Improvement
> Affects Versions: 0.8.0
> Reporter: Mitar
> Priority: Major
> Labels: pull-request-available
>
> Currently, if you send an INT and TERM signal to a parent plasma store
> process (Python one) it terminates it without cleaning the child process.
> This makes it hard to run plasma store in non-interactive mode. Inside shell
> ctrl-c kills both processes.
> Moreover, INT prints out an ugly KeyboardInterrup exception. Probably
> something nicer should be done.
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