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From "Semen Boikov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-1304) Async cache operations in IGFS may cause deadlock related to topology update
Date Thu, 27 Aug 2015 06:28:45 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Semen Boikov updated IGNITE-1304:
---------------------------------
    Fix Version/s:     (was: ignite-1.5)
                   ignite-1.4

> Async cache operations in IGFS may cause deadlock related to topology update
> ----------------------------------------------------------------------------
>
>                 Key: IGNITE-1304
>                 URL: https://issues.apache.org/jira/browse/IGNITE-1304
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache
>    Affects Versions: ignite-1.4
>            Reporter: Ivan Veselovsky
>            Assignee: Semen Boikov
>             Fix For: ignite-1.4
>
>         Attachments: deadlock-1304.txt
>
>
> In an IGFS test we observe a deadlock situation related to cluster topology update (full
thread dump is attached).
> The problem is that several threads are waiting for the topology update, at the same
time holding the read lock of the topology version update:
> Thread #1:
>  GridAffinityAssignmentCache.awaitTopologyVersion(GridAffinityAssignmentCache.java:450)
>   ....
>   GridNearOptimisticTxPrepareFuture.prepareOnTopology(GridNearOptimisticTxPrepareFuture.java:280)
> At the same time another thread, that wants to update the topology version, cannot do
that because it needs the write lock of the topology update: 
> Thread #2:
>    at java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.lock(ReentrantReadWriteLock.java:945)
>         at o.a.i.i.processors.cache.distributed.dht.GridDhtPartitionTopologyImpl.updateTopologyVersion(GridDhtPartitionTopologyImpl.java:190)



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