[Mapserver-users] the performance in linux against win2k?
Pericles S. Nacionales
nacional at cbs.umn.edu
Sat Jun 14 16:35:54 PDT 2003
Chen,
Steve Lime showed an example of this in his workshop at last week's
MapServer users meeting. Wait a few days and you should be able to
download the materials from that workshop.
Or you can try downloading the "advanced" interface files (and
directories) here:
http://maps.dnr.state.mn.us/mapserver_demos/itasca/advanced/
Make sure to copy the directory "advanced" to the "itasca" demo
directory. I think this is meant to work with the "basic" mapserver
demo application. The demo archive can be downloaded at
http://mapserver.gis.umn.edu/dist/itasca3.5.tar.gz, if you haven't
already.
Good luck!
Perry N.
On Sat, 2003-06-14 at 07:29, Chen Fu wrote:
> ahh, I have never notice the mode=map yet. i test it,
> and find the mapserv with "mode=map" will only return
> image itself not the template html. It is definitely
> useful if i use mapserver in a virtual host site
> (maybe impossible to have a winnt task to remove temp
> file everyday).
> But my experience of mapserver is rather limited. Do
> you know how to use mode=map and template html
> together? Any demo already?
> Thank you in advance!
>
> --- Ed McNierney <ed at topozone.com> çæ£æï¼> Chen -
> >
> > We run on Windows and Linux on different hardware
> > and are happy with both.
> >
> > You should realize that the time involved in
> > creating/launching a process is a pretty
> > insignificant one given the work MapServer has to
> > do. For a given request you launch the process,
> > load the MAP file, parse it, open and load
> > potentially many map layers from SHP files, TIFF
> > images, etc., then generate output images and send
> > the data to the client. The process creation time
> > simply does not matter.
> >
> > I mentioned at the user meeting that some folks
> > don't know that when the CGI is run in "mode=map"
> > (or "legend" or "scalebar") that the server will
> > write the generated image directly back to the
> > client browser. In "mode=browse" the generated HTML
> > is written back after the map image is written to
> > the server's local disk in the TMP directory. If
> > you can avoid writing an image to disk for every map
> > request, you will boost your performance far more
> > than any improvement you'll get from optimizing
> > process creation time.
> >
> > - Ed
> >
> > Ed McNierney
> > President and Chief Mapmaker
> > TopoZone.com / Maps a la carte, Inc.
> > 73 Princeton Street, Suite 305
> > North Chelmsford, MA 01863
> > Phone: (978) 251-4242 Fax: (978) 251-1396
> > ed at topozone.com
> >
> >
> > -----Original Message-----
> > From: Chen Fu [mailto:novalet at yahoo.com.cn]
> > Sent: Thursday, June 12, 2003 10:17 PM
> > To: mapserver-users at lists.gis.umn.edu
> > Subject: [Mapserver-users] the performance in linux
> > against win2k?
> >
> > Hi!
> > I recently use mapserver as cgi with win2k+appache.
> > It
> > works nice.
> > But i read from some articles that creating process
> > in
> > win2k+appache is relatively slow than linux, so cgi
> > is
> > not a good solution in win2k. Is it right?
> > Will it benefit a lot if i setup a linux in the same
> > pc to replace win2k?
> > Thank you in advance!
> >
> > =====
> > Remote Scensing Satellite Ground Station
> > Chinese Academy of Science
> >
> >
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>
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--
Pericles S. Nacionales <nacional at biosci.cbs.umn.edu>
University of Minnesota
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