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From "Taras Ledkov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-4239) Public thread pool starvation is cause of deadlock when user's jobs calls cache.size()
Date Mon, 21 Nov 2016 12:29:59 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-4239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15683458#comment-15683458
] 

Taras Ledkov commented on IGNITE-4239:
--------------------------------------

[Tests results|http://195.239.208.174/project.html?projectId=IgniteTests&tab=projectOverview&branch_IgniteTests=pull%2F1250%2Fhead]

> Public thread pool starvation is cause of deadlock when user's jobs calls cache.size()
> --------------------------------------------------------------------------------------
>
>                 Key: IGNITE-4239
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4239
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache, compute
>    Affects Versions: 1.6
>            Reporter: Taras Ledkov
>            Assignee: Taras Ledkov
>            Priority: Critical
>             Fix For: 1.9
>
>
> The users job are hang when a lot of jobs that calculates cache size are submitted.
> The log contains message:
> {code}
> WARNING: Possible thread pool starvation detected (no task completed in last 30000ms,
is executorService pool size large enough?)
> {code}
> After a while all the thread of a public thread pool are locked on waiting the SizeTask
future. 



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