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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2017/09/16 08:15:00 UTC

[jira] [Updated] (IGNITE-6409) SQL: bypass H2 during index update

     [ https://issues.apache.org/jira/browse/IGNITE-6409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov updated IGNITE-6409:
------------------------------------
    Labels: performance  (was: )

> SQL: bypass H2 during index update
> ----------------------------------
>
>                 Key: IGNITE-6409
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6409
>             Project: Ignite
>          Issue Type: Task
>          Components: persistence, sql
>    Affects Versions: 2.1
>            Reporter: Vladimir Ozerov
>              Labels: performance
>
> Currently the only way to update standard user index is through H2 infrastructure. See {{GridH2IndexBase#put}} and it's usages. For every update we have to construct a kind of H2 rowm which will be passed to index. This operation might require unnecesary memory copying and deserializations. 
> We should try to find a way to bypass H2 stuff altogether and add data to underlying {{BPlusTree}} directly.



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