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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2019/02/14 08:30:00 UTC

[jira] [Reopened] (IGNITE-6199) SQL: DML processor should send deltas instead of full values when possible

     [ https://issues.apache.org/jira/browse/IGNITE-6199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov reopened IGNITE-6199:
-------------------------------------

> SQL: DML processor should send deltas instead of full values when possible
> --------------------------------------------------------------------------
>
>                 Key: IGNITE-6199
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6199
>             Project: Ignite
>          Issue Type: Task
>          Components: sql
>    Affects Versions: 2.1
>            Reporter: Vladimir Ozerov
>            Priority: Major
>              Labels: performance
>
> Currently we send full values during DML operations. Instead, we should find the way to send only changed attributes. Chances that it will require adding versions of existing entries, or even the whole MVCC, to prevent inconsistent updates.



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