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Posted to dev@ignite.apache.org by "Semen Boikov (JIRA)" <ji...@apache.org> on 2015/03/26 15:58:54 UTC

[jira] [Created] (IGNITE-614) Race in preloading/unswapping

Semen Boikov created IGNITE-614:
-----------------------------------

             Summary: Race in preloading/unswapping
                 Key: IGNITE-614
                 URL: https://issues.apache.org/jira/browse/IGNITE-614
             Project: Ignite
          Issue Type: Bug
          Components: cache
            Reporter: Semen Boikov
            Assignee: Yakov Zhdanov
            Priority: Critical
             Fix For: sprint-3


During unswap entry is removed from swap then unswap listener is notified, and this logic in preload supply worker:
- register unswap listener
- iterater over heap
- iterate over swap
- remove unswap listener
- iterate over entries recorded by unswap listener

There is a race: entry is rmoved from unswap, listener is not notified yet, at this moment supply worker remvoes unswap listener.

These tests fail from time to time because entry can be missed:
GridCacheSwapPreloadSelfTest.testSwapPartitionedMultithreaded
GridCacheSwapPreloadSelfTest.testSwapReplicatedMultithreaded



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