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

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

Vladimir Ozerov created IGNITE-6409:
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             Summary: 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


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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