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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2019/02/01 11:31:00 UTC

[jira] [Updated] (IGNITE-11160) SQL: Simplify row hierarchy

     [ https://issues.apache.org/jira/browse/IGNITE-11160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov updated IGNITE-11160:
-------------------------------------
    Summary: SQL: Simplify row hierarchy  (was: SQL: Create light-weight row for read-only operations)

> SQL: Simplify row hierarchy
> ---------------------------
>
>                 Key: IGNITE-11160
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11160
>             Project: Ignite
>          Issue Type: Task
>          Components: sql
>            Reporter: Vladimir Ozerov
>            Assignee: Vladimir Ozerov
>            Priority: Major
>              Labels: performance
>             Fix For: 2.8
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> In order to minimize memory overhead during query execution we can create simplified version of {{GridH2KeyValueRowOnheap}} which will not hold reference to original row. Also we can remove value cache as it is never used during SELECT execution.



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