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https://issues.apache.org/jira/browse/WSCOMMONS-556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12916774#action_12916774
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Kasun Gajasinghe commented on WSCOMMONS-556:
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Andreas,
Well, the variable prefixSeparator is introduced to reduce the creation of
number of objects for each method calls made in these two classes as no. of
mehod calls per object is little high in these two classes.
And yes, we could make it static and final. I have to send another patch for
ElementImpl#getAttributes(). I'll see what changes we can do to for this
variable there. Probably adding them to the class for constants!
--Kasun
> Performance improvement for axiom-dom module
> --------------------------------------------
>
> Key: WSCOMMONS-556
> URL: https://issues.apache.org/jira/browse/WSCOMMONS-556
> Project: WS-Commons
> Issue Type: Improvement
> Components: AXIOM
> Affects Versions: Axiom 1.2.9
> Environment: Java 1.5
> Reporter: Kasun Gajasinghe
> Assignee: Nandana Mihindukulasooriya
> Attachments: axiom-perf-improvement.diff,
> FINAL-times_for_large_samples_with_changes.png,
> FINAL-times_for_small_samples_with_changes.png
>
>
> This article published [0] on April 2010, shows that Axis2 has some major
> performance issues compared to Metro and CXF. An analysis suggested that
> most of the problems were with the axiom-dom module's methods, along with
> Rampart. So, first we went on improving the axiom-dom module. Here's a patch
> for the improvements we did.
> Final assessments suggest considerable level improvement. Graphs for a
> sample run of requests with small and large samples will be added to the
> files section.
> [0] http://www.ibm.com/developerworks/java/library/j-jws14/index.html
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