[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 (Updated) (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-1813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins updated TEIID-1813:
----------------------------------

                Issue Type: Quality Risk  (was: Bug)
             Fix Version/s: 7.6
    Workaround Description: The workaround is to use an xquery expression that disables streaming: e.g. instead of '/a/b/c' something like '/*[local-name()='a']/b/c'. That should only be done of course if the parsed foot print of the document is relatively small.
                  Priority: Major  (was: Blocker)
               Component/s: Query Engine
                                (was: Server)

    
> 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: Quality Risk
>          Components: Query Engine
>    Affects Versions: 7.4.1
>            Reporter: Pavel Macik
>            Assignee: Van Halbert
>             Fix For: 7.6
>
>         Attachments: perf.vdb
>
>
> 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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