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From "Ivan Pavlukhin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-11300) MVCC: forbid using DataStreamer with allowOverwrite=true
Date Tue, 12 Feb 2019 14:50:00 GMT
Ivan Pavlukhin created IGNITE-11300:
---------------------------------------

             Summary: MVCC: forbid using DataStreamer with allowOverwrite=true
                 Key: IGNITE-11300
                 URL: https://issues.apache.org/jira/browse/IGNITE-11300
             Project: Ignite
          Issue Type: Task
          Components: mvcc
    Affects Versions: 2.7
            Reporter: Ivan Pavlukhin
             Fix For: 2.8


Calling {{IgniteDataStreamer.allowOverwrite(true)}} configures a streamer to use single-key
cache put/remove operations for data modification. But put/remove operations on MVCC caches
can be aborted due to write conflicts. So, some development effort is needed to support that
mode properly. Let's throw exception in such case for MVCC caches.



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