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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2019/03/11 06:57:00 UTC

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

     [ https://issues.apache.org/jira/browse/IGNITE-9949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov reassigned IGNITE-9949:
---------------------------------------

    Assignee: Andrew Mashenkov

> 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
>            Assignee: Andrew Mashenkov
>            Priority: Major
>              Labels: transactions
>             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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