[infinispan-issues] [JBoss JIRA] (ISPN-5559) "AsyncCacheWriter is dead!" errors cause deadlock or unbounded use of memory

[RH Bugzilla Integration (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-5559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

RH Bugzilla Integration updated ISPN-5559:
------------------------------------------
        Bugzilla Update: Perform
    Bugzilla References: https://bugzilla.redhat.com/show_bug.cgi?id=1235140


> "AsyncCacheWriter is dead!" errors cause deadlock or unbounded use of memory
> ----------------------------------------------------------------------------
>
>                 Key: ISPN-5559
>                 URL: https://issues.jboss.org/browse/ISPN-5559
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core, Loaders and Stores
>    Affects Versions: 5.3.0.Final, 6.0.0.Final, 7.0.0.Final
>            Reporter: Karsten Blees
>             Fix For: 8.0.0.Beta1, 7.2.4.Final
>
>
> Caused by a relatively small AsyncStore shutdownTimeout (default 25s) in conjunction with large queue sizes or slow back-end stores.
> With assertions enabled, the coordinator thread will exit with AssertionError and the AsyncStore will deadlock, as no more changes are beeing processed.
> With assertions disabled, the coordinator thread will allocate an unbounded number of AsyncStoreProcessors. If AsyncStoreProcessors were multithreaded (see ISPN-3532), this would cause loss of data (due to older changes overwriting newer changes in the back-end store).



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