I thank you all for this discussion... and for the great information
that everyone has provideded. Next question (which is part of my
original) how do I actually get the images into the Blobs...
Additionally, the what are the names and capacities of the datatypes
that I could use? I have been hearing "Blob" but are there others?
On Tue, 28 Sep 2004 13:39:20 -0400, DreamWerx <dreamwerx@stripped> wrote:
> It would be quite easy to drop a squid or similar proxy infront to
> cache the db images in memory and deliver them for a set cache-time or
> something.. That would be 1 way to boost performance..
> On Tue, 28 Sep 2004 09:55:54 -0700, Ed Lazor <ed.lazor@stripped> wrote:
> > > -----Original Message-----
> > > I have heard also that it helps to keep the table with the blobs having a
> > > low number of fields. Like just a primary key and the blob field. Have
> > > all your other metadata in a seperate table. Especially if you are going
> > > to be occasionally doing queries of just the metadata and don't want to
> > > always retrieve the image. Comments?
> > I agree. That's the approach I used. Data on products are stored in a
> > products table, while images are stored in a table called images. The
> > images table has the following fields: ID, ProductID, SizeID, Image. There
> > are 4 images of different resolutions for each product. The SizeID is used
> > to tell which resolution is being requested. For example:
> > Select Image from images where ProductID='8443' AND SizeID='1'
> > ProductID is an int. SizeID is a small int. The Image field is largeblob,
> > because some images are as large as 300k. However, images are generally
> > 15k, 45k, 90k, and 180k, so perhaps largeblob is causing a performance loss?
> > I also plan on using caching tools, so maybe performance tuning on the
> > backend isn't as significant? What do you think?
> > -Ed
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