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https://issues.apache.org/jira/browse/ARROW-14329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17565020#comment-17565020
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Weston Pace commented on ARROW-14329:
-------------------------------------
A number of these kinds of problems came down to nodes calling StopProducing on
downstream nodes leading to StopProducing being called twice on a single node
in various situations. I think [~sakras] fixed several of these.
{{StopProducing}} is still a little bit clunky however. The merge generator
doesn't pass the cancellation down to the readers and so read operations may
continue to read for some time after the call and I think it may be possible
that some memory is leaked.
> [C++] Segfault when calling ExecPlan::StopProducing
> ---------------------------------------------------
>
> Key: ARROW-14329
> URL: https://issues.apache.org/jira/browse/ARROW-14329
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Neal Richardson
> Priority: Major
>
> Observed on ARROW-12763, have not tried to debug or reproduce further
> https://github.com/apache/arrow/pull/11405#discussion_r728391508
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