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https://issues.apache.org/jira/browse/IGNITE-15043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Atri Sharma reassigned IGNITE-15043:
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Assignee: Atri Sharma
> FifoQueueCollisionSPI Should Be Thread Safe
> -------------------------------------------
>
> Key: IGNITE-15043
> URL: https://issues.apache.org/jira/browse/IGNITE-15043
> Project: Ignite
> Issue Type: Bug
> Reporter: Atri Sharma
> Assignee: Atri Sharma
> Priority: Major
>
> Today, if there is a single slot available in the active jobs limit and N
> tasks come concurrently, there is a chance that many (or all) of them will be
> able to proceed because the logic of FifoQueueCollisionSPI is as follows:
> 1. Get active tasks count
> 2. Compare to max tasks count
> 3. If less, start the task
> This is not thread safe, and we need to provide a realistic view of active
> tasks count to all threads.
>
>
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