[ic] Re: Need to speed up page loading
mike at perusion.com
Wed Aug 8 07:55:31 EDT 2007
Quoting JT Justman (jt at signless.com):
> Grant wrote:
> > Sorry for replying to myself. Does anyone know which one of these is
> > generally faster than the other?
> > 1.
> > [loop list="sku1 sku2 sku3 ..."]
> > [loop-data products title]
> > [/loop]
> > 2. (with proper mysql indexes)
> > [loop search="search goes here"]
> > [loop-param title]
> > [/loop]
> I'm not sure... try [benchmark] and see :) My inclination is that IC
> will perform three queries for the first, and one for the second, but
> I'm not that intimate with the DB code.
> > Is this the proper way to set up mysql indexes in products.mysql:
> > Database products COLUMN_DEF "title=char(100), INDEX(title(100))"
> AFAIK it doesn't matter what you have in the IC sql definition - MySQL
> is going to use the index if it can, if you've created the right index.
> There's a lot to how indexes are used - if you are making a simple
> equality match on one field, then the difference of adding an index is
> pretty significant.
> One thing to look for are calling [data] from other tables inside the
> query. You can often achieve this nicely with a JOIN.
> I'm just stabbing in the dark here - feel free to post something more
> specific if you like.
Here is an oldie, but still applicable:
Perusion -- Expert Interchange Consulting http://www.perusion.com/
phone +1.765.647.1295 tollfree 800-949-1889 <mike at perusion.com>
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