[infinispan-issues] [JBoss JIRA] (ISPN-3800) Multiple ExecutorAllCompletionServices using the same executor may interfere

[Radim Vansa (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-3800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radim Vansa resolved ISPN-3800.
-------------------------------

    Resolution: Rejected


My mistake, only the executor is shared, the executor service having the queue inside is private to the ExecutorAllCompletionService.
                
> Multiple ExecutorAllCompletionServices using the same executor may interfere
> ----------------------------------------------------------------------------
>
>                 Key: ISPN-3800
>                 URL: https://issues.jboss.org/browse/ISPN-3800
>             Project: Infinispan
>          Issue Type: Bug
>    Affects Versions: 6.0.0.Final
>            Reporter: Radim Vansa
>            Assignee: Radim Vansa
>
> If there are multiple ExecutorAllCompletionServices using the same executor, these may steal other's futures, and therefore, report the task to be finished prematurely.
> This may be the case for a preload from multiple cache loaders in parallel.
> The tasks sent to the executor have to be tagged and the service should poll only its own tasks.

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