[teiid-issues] [JBoss JIRA] (TEIID-1824) SQL/XML performance enhancement
Steven Hawkins (Resolved) (JIRA)
jira-events at lists.jboss.org
Sun Nov 13 08:05:40 EST 2011
[ https://issues.jboss.org/browse/TEIID-1824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins resolved TEIID-1824.
-----------------------------------
Resolution: Done
Used threadlocal and even static factories where possible. On even moderately sized documents (10s of thousands of elements) constructed predominately through xmlforrest, there was an 80% reduction in runtime.
> SQL/XML performance enhancement
> -------------------------------
>
> Key: TEIID-1824
> URL: https://issues.jboss.org/browse/TEIID-1824
> Project: Teiid
> Issue Type: Enhancement
> Components: Query Engine
> Affects Versions: 7.1
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Fix For: 7.6
>
>
> The sql/xml processing functions, xmlforrest, xmlelement, xsltransform, etc. make use of stax factories by creating a newInstance each time. This is much too heavy-weight. The factories should be shared as much as possible. The woodstox input/ouput factories in particular can be static.
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