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https://issues.apache.org/jira/browse/IGNITE-4523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15974176#comment-15974176
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Alexei Scherbakov commented on IGNITE-4523:
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Merged 2.0 changes.
Added new test on unstable topology, fixed issues with unmapped partitions.
TC result looks acceptable [1]
Waiting for review [2]
[1] http://ci.ignite.apache.org/viewLog.html?buildId=564989&;
[2] reviews.ignite.apache.org/ignite/review/IGNT-CR-155
> Allow distributed SQL query execution over explicit set of partitions
> ---------------------------------------------------------------------
>
> Key: IGNITE-4523
> URL: https://issues.apache.org/jira/browse/IGNITE-4523
> Project: Ignite
> Issue Type: Improvement
> Components: cache, SQL
> Affects Versions: 1.8
> Reporter: Alexei Scherbakov
> Assignee: Alexei Scherbakov
> Labels: important
> Fix For: 2.0
>
>
> 3Currently distributed SQL query is executed on all nodes containing primary
> partitions for a cache, sending map query requests on all nodes in grid.
> Sometimes we know in advance which partitions hold a data for query, on
> example, in case of custom affinity function.
> Therefore it's possible to reduce number of nodes receiving map query request
> by providing explicit set of partitions, which will give significant
> performance advantage and traffic reduction in case of very large clusters.
> Internally we already have such functionality, so the only necessary thing is
> to provide public API for what.
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