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Posted to issues@ignite.apache.org by "Igor Seliverstov (JIRA)" <ji...@apache.org> on 2019/02/04 09:21:00 UTC

[jira] [Commented] (IGNITE-10559) MVCC TX: Use extracted partitions to reduce target nodes for Query Update

    [ https://issues.apache.org/jira/browse/IGNITE-10559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16759706#comment-16759706 ] 

Igor Seliverstov commented on IGNITE-10559:
-------------------------------------------

[~tledkov-gridgain], one of newly created tests (MvccDmlPartitionPruningSelfTest) permanently fails. Could you look at?

> MVCC TX: Use extracted partitions to reduce target nodes for Query Update
> -------------------------------------------------------------------------
>
>                 Key: IGNITE-10559
>                 URL: https://issues.apache.org/jira/browse/IGNITE-10559
>             Project: Ignite
>          Issue Type: Task
>          Components: mvcc
>            Reporter: Igor Seliverstov
>            Assignee: Taras Ledkov
>            Priority: Minor
>              Labels: iep-24
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> We may avoid "query reduce" step on update queries without sorting/grouping by simply sending them to all data nodes and executing update operation locally. Using extracted from SQL partitions will reduce target nodes count and save resources.



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