[Mapserver-users] Mapserver/ArcIMS: server requirements

[Ed McNierney]

Justin -

Unfortunately, these are extremely difficult questions to answer, mainly because there's a huge range in what constitutes a "hit".  Is one map served a single tax parcel from a town-wide collection of 3,000 generally simple polygons, or is one map served a resampled and reprojected subset of a raster mosaic producing a zoomed-out view of several megabytes of imagery?

If you want to evaluate server requirements, you will need to describe the serving job as precisely as possible.  If you can pretty well define what a single map "hit" constitutes, you'll get more helpful advice.

	- Ed

Ed McNierney
President and Chief Mapmaker
TopoZone.com / Maps a la carte, Inc.
73 Princeton Street, Suite 305
North Chelmsford, MA  01863
ed at topozone.com
(978) 251-4242 

-----Original Message-----
From: Justin Garre [mailto:garre_gis at hotmail.com]
Sent: Friday, May 02, 2003 3:09 AM
To: mapserver-users at lists.gis.umn.edu
Subject: [Mapserver-users] Mapserver/ArcIMS: server requirements


I am trying to get an idea of how many servers/server space will be required 
to run Mapserver with a specific number of hits per day.  For example, would 
a single server be adequate for 200,00 user sessions per day?  How many 
servers would be necessary for 1,000,000 users (site hits) per day?

Granted this questions depends on a variety of criteria such as the 
capabilities of the hardware and how large the map files are, but if anybody 
would be willing to share what kind of server setup you have and how much 
usage you experience on a daily basis it would be greatly appreciated.

Also, would ArcIMS be more demanding than Mapserver in terms of server 
consumption?  ie- I understand Mapserver has a more concise code so I am 
curious to know if it would be less demanding on our server(s).

Thanks in advance,

Justin Garre
University of Washington
garre_gis at hotmail.com







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