[postgis-users] Spatial Query Benchmarks?

[Craig Miller]

If you have written an application on top of PostGIS, then the best way to
profile it is to profile the entire solution.  E.g. if it is a web
application then throw WebLoad at it.  By using something like WebLoad, you
can mimic typical use-cases, and then have n number of users simultaneously
hitting it using these typical use-cases.  This will test the real-world
load rather than the theoretical maximums.

--Craig


-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Ethan
Alpert
Sent: Friday, November 19, 2004 9:36 AM
To: PostGIS Users Discussion
Subject: [postgis-users] Spatial Query Benchmarks?



Anyone have any suggestions for benchmarking? I've got some services
I've built and my management's not going to let me deploy until I can
quantify at what point my it will break on the current architecture.
Anyone thought about how to determine this kind of information? 

How can I know, even heuristically, how many queries/sec my machine can
sustain, given the tuple and/or vertice count in a given table?

Are tuple and vertice count the only things I should be concerned about
or should I also try to thing about geometry shape (convex,concave,
multiple rings,etc) wrt performance.


-e
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