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https://issues.apache.org/jira/browse/IGNITE-10285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16691697#comment-16691697
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Pavel Kovalenko commented on IGNITE-10285:
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[~DmitriyGovorukhin] Thank you for contribution. Changes look good to me.
> U.doInParallel may lead to deadlock
> -----------------------------------
>
> Key: IGNITE-10285
> URL: https://issues.apache.org/jira/browse/IGNITE-10285
> Project: Ignite
> Issue Type: Bug
> Reporter: Dmitriy Govorukhin
> Assignee: Dmitriy Govorukhin
> Priority: Critical
> Fix For: 2.8
>
> Attachments: dump.rtf
>
>
> There are exist case when we can get a deadlock on the thread pool.
> If we try doInParallel in the thread of sys-pool in the number of
> hreads==sys-pool.size we lead to deadlock because threads in sys-pool will
> try doInParallel through the same sys-pool, and they will wait on future
> infinitely because no one thread cannot complete operation doInParallel which
> require threads from sys-pool.
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