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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-6080) SQL: Batch DML updates on per-node basis
Date Thu, 17 Aug 2017 08:26:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-6080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16130088#comment-16130088
] 

ASF GitHub Bot commented on IGNITE-6080:
----------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/ignite/pull/2454


> SQL: Batch DML updates on per-node basis
> ----------------------------------------
>
>                 Key: IGNITE-6080
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6080
>             Project: Ignite
>          Issue Type: Task
>          Components: sql
>    Affects Versions: 2.1
>            Reporter: Vladimir Ozerov
>            Assignee: Vladimir Ozerov
>              Labels: performance
>             Fix For: 2.2
>
>
> Currently DML updates are batched and then applied using {{IgniteCache.invokeAll}}. See
{{org.apache.ignite.internal.processors.query.h2.DmlStatementsProcessor#processPage}}. This
is not efficient, because typical update will hit a lot of data nodes.
> Instead, we should create separate batches for every primary node. This way we can significantly
improve update performance.



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