[jira] [Created] (IGNITE-9949) MVCC TX: Scan query can return wrong result on unstable topology

[Anton Vinogradov (Jira)]

Roman Kondakov created IGNITE-9949:
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             Summary: MVCC TX: Scan query can return wrong result on unstable topology
                 Key: IGNITE-9949
                 URL: https://issues.apache.org/jira/browse/IGNITE-9949
             Project: Ignite
          Issue Type: Bug
          Components: mvcc
            Reporter: Roman Kondakov
             Fix For: 2.8


Scan query map nodes do not take into account topology version when filtering primary partitions. See method {{GridCacheQueryManager#scanIterator}} - each node takes it's current topology version. This causes wrong partition filtering results.
To fix this problem the single topology version should be taken on reduce node propagated to map nodes.



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