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From "Andrew Mashenkov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-9663) MVCC: Data node failure can cause TX hanging.
Date Fri, 21 Sep 2018 14:06:00 GMT
Andrew Mashenkov created IGNITE-9663:
----------------------------------------

             Summary: MVCC: Data node failure can cause TX hanging.
                 Key: IGNITE-9663
                 URL: https://issues.apache.org/jira/browse/IGNITE-9663
             Project: Ignite
          Issue Type: Improvement
          Components: cache, mvcc
            Reporter: Andrew Mashenkov
             Fix For: 2.7


Next test hangs due to a bug:
CacheMvccTransactionsTest.testPutAllGetAll_ClientServer_Backups1_Restart_Scan

Possibly, it is caused with a race in MvccTracker and can be partially fixed in [#1] or 
we have a bug in TX mapping in enlist phase on unstable topology.

 

I've tried to avoid races in Tracker and see TX hanged awaiting PME that version has just
been completed. This need to be investigated.
 

[1] https://issues.apache.org/jira/browse/IGNITE-9428



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