[jbossseam-issues] [JBoss JIRA] Updated: (JBSEAM-3024) Performance issues in 2.0.2 release

[Alex Savitsky (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBSEAM-3024?page=all ]

Alex Savitsky updated JBSEAM-3024:
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    Attachment: Perf.zip

Eclipse WST project in Maven format. Either import it into Eclipse (requires Maven 2 eclipse plugin), or build WAR using Maven.

After deploying, access the home page, and observe the page load times for first and subsequent accesses. My average was about 1.3-1.5 seconds (FasterFox page load timers are useful here).

Now, update Seam version in POM from 2.0.2.GA to 2.0.1.GA, and repeat the above steps. The observed average load times will be much lower (0.3-0.4 seconds in my case).

Keep in mind, this is a very simplified version of the actual application I had first observed this issue with. I've tried to preserve the general architecture used, but scaled back on # of controls and DB entities. The actual app executes queries on a four-level deep entity hierarchy, and also uses Tomahawk sortable headers, resulting in load times of about 30 seconds for 2.0.2 (as opposed to about 3 seconds on 2.0.1)

> Performance issues in 2.0.2 release
> -----------------------------------
>
>                 Key: JBSEAM-3024
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-3024
>             Project: Seam
>          Issue Type: Bug
>    Affects Versions: 2.0.2.GA
>            Reporter: Alex Savitsky
>         Attachments: Perf.zip
>
>
> For pages accessing components with many injections/outjections, performance is roughly 4x times worse when upgrading from 2.0.1 GA to 2.0.2 GA.

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