Hi Matt,
Nothing comes up on my screen using the latest FF and Chrome. Is your
Exhibit currently functioning?
It's tough to give benchmarks but I've had very good success with
several hundred records with many facets and views. This will of course
depend on the amount of data being passed and amount of post-processing
done via javascript. I would make sure at least your dates are in the
proper ISO8601 format. I don't think the concat expression adds to much
to the processing time. My guess is that adding many different types of
facets (list + slide + image + etc...) could increase processing time
more than several facets of the same type (all list.) Just a guess though.
I see you're using Drupal. Just as FYI, I did a simple test using the
Devel generate module to create 3000 random records with taxonomy.
Surprisingly, I was satisfied with the performance using all 3000 loaded
into the Exhibit module. I'm not sure if it sped things up or not, but
I saved the View (sql) output to a json file and loaded the data file
directly into Exhibit.
Using a combination of David's last email about loading the Exhibit
API's after the initial page load
http://groups.google.com/group/simile-widgets/browse_thread/thread/2ec56bfe32a6d851?hl=en
and another of his emails about loading additional data streams form
user input (Course Picker example)
http://groups.google.com/group/simile-widgets/browse_thread/thread/03a85b0fbc5cfaad?hl=en
could be extremely valuable when dealing with datasets in the several
thousands. If you're in the tens of thousands, that's a bit much an
Exhibit only solution.
- John
**************************************************
John Callahan
Geospatial Application Developer
Delaware Geological Survey, University of Delaware
227 Academy St, Newark DE 19716-7501
Tel: (302) 831-3584
Email: [email protected]
http://www.dgs.udel.edu
**************************************************
matt wrote:
> Does anyone have a feel for the anything I could do to improve
> performance for this exhibit ...
> http://www.educause.edu/E2009/EDUCAUSE2009Programtest/171882
>
> I'd really like to add several hundred more records (for individual
> speakers) and several more discrete data elements per type (extra
> facets), but I feel like I've already exceeded reasonable performance
> thresholds and possible reached the upper bound of records that I
> could reasonably look to use. Once the data loads, performance is
> okay on FF 3.5b4, Chrome, and Safari 4 beta, but not really production
> ready for IE and even older versions of FF that I've checked. Is
> there anything that I should be doing to optimize my exhibit ... and
> are there any rules of thumb related to number of facets, lenses, etc
> that one might want to consider while looking to develop a high
> performance widget. For instance, I was wondering if it would be more
> efficient to have store formatted fields (dates, urls, etc) in the
> json source as compared to formatting them on the fly.
>
> Thanks in advance for any guidance ....
>
> Matt
> >
>
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