[jira] [Commented] (TRAFODION-2207) Phenomenon of odb copy with parameter parallel is not consistent with the document description

["苏锦佩 (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TRAFODION-2207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16186949#comment-16186949 ] 

苏锦佩 commented on TRAFODION-2207:
--------------------------------

document has been updated.

> Phenomenon of odb copy with parameter parallel is not consistent with the document description
> ----------------------------------------------------------------------------------------------
>
>                 Key: TRAFODION-2207
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-2207
>             Project: Apache Trafodion
>          Issue Type: Bug
>          Components: db-utility-odb
>            Reporter: zhangliang
>            Priority: Minor
>
> As the odb user guide ODB user guide.pdf says
> "odb uses as many threads as the parallel argument to extract data from
> partitioned source tables PLUS an equivalent number of threads to
> write to the target table."
> It mean if parallel is 4, odb will start 8 thread, 4 for extract and 4 for load.
> But in practice, odb will start triple threads of parameter parallel if not limit with -T. It is not consistent with document.
> Maybe we should update our document.



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