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https://issues.jboss.org/browse/TEIID-1813?page=com.atlassian.jira.plugin...
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Steven Hawkins commented on TEIID-1813:
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It does seem that this is situation 1 above since a view is being used. In which case the
previous (5.2 er3) results were likely in error. The 5.1 results should be
representative, but possibly do not represent proper use of projection/streaming and thus
would be prone to OOM errors with larger documents and higher query loads.
We certainly can look at improving performance, but I take exception to the idea that a
marginal performance issue in just one execution path of an extremely large product would
constitute a blocker at this stage. It seems like a break down in process. My
recommendation is to target this for an sp1 or patch rather than holding up the release.
EDS performance tests shows a performance degradation against SOA-P
5.1.0.GA in case of selecting from XML datasource
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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
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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