[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-3913) Lower web site performance once logged in at seamframework.org

Christian Bauer (JIRA) jira-events at lists.jboss.org
Fri Mar 20 22:40:22 EDT 2009

    [ https://jira.jboss.org/jira/browse/JBSEAM-3913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12458482#action_12458482 ] 

Christian Bauer commented on JBSEAM-3913:

The reason for disabled caching is the calculation of unread topics in the topic list when a user is logged in. The list simply can't be cached, as the icon might change with every request and the logic for displaying the read/unread icon needs to execute on every request. 

The underlying issue is MySQL which is extremely slow on moderately complex joins. 

> Lower web site performance once logged in at seamframework.org
> --------------------------------------------------------------
>                 Key: JBSEAM-3913
>                 URL: https://jira.jboss.org/jira/browse/JBSEAM-3913
>             Project: Seam
>          Issue Type: Bug
>          Components: Wiki
>         Environment: MSIE 6.0 and Firefox 3.0.5
>            Reporter: Julien Kronegg
>            Priority: Minor
> The Seam web site performance is much lower once logged in (i.e. the pages take much longer to load).
> For example, on 2009.01.26, the page http://seamframework.org/Community/Forums loads in:
> - when not logged in: 2 seconds
> - when logged in: 9 seconds
> The timings are reproductible when reloading the pages.
> Since the forum is implemented using Seam technology, this is not a good advertizing. ;-)

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