[teiid-issues] [JBoss JIRA] (TEIID-1813) EDS performance tests shows a performance degradation against SOA-P 5.1.0.GA in case of selecting from XML datasource

[Steven Hawkins (Commented) (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-1813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12640760#comment-12640760 ] 

Steven Hawkins commented on TEIID-1813:
---------------------------------------

The only fix in that time frame was https://issues.jboss.org/browse/TEIID-1729.  That would imply either:

1. If the test is written such it was using xmltable in a view, then they were never getting the proper results.
2. The test is now always using document projection/streaming (which is expected) and has a lower memory overhead but a higher computational cost.
                
> EDS performance tests shows a performance degradation against SOA-P 5.1.0.GA in case of selecting from XML datasource 
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: TEIID-1813
>                 URL: https://issues.jboss.org/browse/TEIID-1813
>             Project: Teiid
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 7.4.1
>            Reporter: Pavel Macik
>            Assignee: Van Halbert
>            Priority: Blocker
>
> The eds_xmlfile_select scenario shows ~30% performance degradation in select queries from XML datasource.
> See the "(EDS) Files select - Charts" sheet of the document at [1] for details.
> [1] https://docspace.corp.redhat.com/docs/DOC-56368 

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