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Posted to issues@trafodion.apache.org by "Barry Fritchman (JIRA)" <ji...@apache.org> on 2016/05/04 19:46:12 UTC

[jira] [Assigned] (TRAFODION-1971) Redundant initialization slows down bulk load

     [ https://issues.apache.org/jira/browse/TRAFODION-1971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Barry Fritchman reassigned TRAFODION-1971:
------------------------------------------

    Assignee: Barry Fritchman

> Redundant initialization slows down bulk load
> ---------------------------------------------
>
>                 Key: TRAFODION-1971
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-1971
>             Project: Apache Trafodion
>          Issue Type: Bug
>          Components: sql-exe
>    Affects Versions: 2.0-incubating
>            Reporter: Barry Fritchman
>            Assignee: Barry Fritchman
>
> During the preparation phase of bulk load, HFIle parameter initialization is performed redundantly following each flush. For a 52-million row table with fairly wide rows, a load takes 3.5 hours vs 35-40 minutes when the unnecessary re-initialization is avoided.



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