[mapguide-users] Guestion about speedup mapguide, diferent domainname to mapagent.fcgi.

[Traian Stanev]

I think the number of connections is configurable in Firefox. Navigate
to about:config and search for the
"network.http.max-persistent-connections-per-server" setting. It
defaults to 2, but can be bumped up. Not sure if it would actually work,
since I haven't verified it.


Traian


-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Jason Birch
Sent: Wednesday, February 28, 2007 11:43 AM
To: MapGuide Users Mail List
Subject: RE: [mapguide-users] Guestion about speedup mapguide,diferent
domainname to mapagent.fcgi.


The reason for this request is that the HTTP spec suggests that clients
only have two open connections to a single server at one time, and I
believe that most browsers have implemented this:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec8.html#sec8.1.4

With a tilemap and a high-resolution monitor, this can present a
considerable bottleneck in fetching tiles regardless of the performance
of the server.

If there was a way of configuring a set of hosts that could be accessed
for tiles, the client experience would be improved considerably
(assuming that the tiles had already been generated) even if these
pointed to the same tileservice.  Administrators would have to set this
consciously; the two-connection limit is there for a reason, and if you
circumvent it you should ensure that your hardware is sufficient to the
task.

If there was an algorythm to ensure that the same host would not be used
for two adjacent tiles, that would be even better, but mostly just for
client perceptions rather than speed.

Jason 

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Trevor
Wekel
Sent: Wednesday, February 28, 2007 08:30
To: MapGuide Users Mail List
Subject: RE: [mapguide-users] Guestion about speedup mapguide,diferent
domainname to mapagent.fcgi.

Hi Maciej,

What sort of CPU do you have on the machine and how many tiles per
second are you attempting to serve?  We have been working on some
performance improvements for the next release that speed up both tile
rendering and tile serving from cache.

Thanks,
Trevor
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