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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (IGNITE-7039) SQL: local query should pin affected partitions
Date Tue, 13 Nov 2018 09:37:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-7039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vladimir Ozerov reassigned IGNITE-7039:
---------------------------------------

    Assignee:     (was: Sergey Grimstad)

> SQL: local query should pin affected partitions
> -----------------------------------------------
>
>                 Key: IGNITE-7039
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7039
>             Project: Ignite
>          Issue Type: Bug
>          Components: sql
>            Reporter: Vladimir Ozerov
>            Priority: Major
>              Labels: sql-stability
>             Fix For: 2.8
>
>         Attachments: 3194.patch
>
>
> When distributed query is executed, we pin cache partitions for particular topology version
on map nodes [1]. However, it seems that we do no do that for local queries. This is a bug
because partition with required data could be evicted from local node at any time, leading
to incorrect results.
> [1] https://github.com/apache/ignite/blob/ignite-2.3/modules/indexing/src/main/java/org/apache/ignite/internal/processors/query/h2/twostep/GridMapQueryExecutor.java#L288



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