Jim,
That's one approach, though depending on your users and their environments,
you may not be able to achieve this desktop configuration change.
Haven't looked up the configs in a while, but from what I remember: Firefox
3 defaults to a maximum of 6 connections; IE 6/7 default to 2. IE8 may bump
it up to 4? In this case, IE 6/7 actually follow the HTTP spec (see Section
8.1.4 http://www.w3.org/Protocols/rfc2616/rfc2616-sec8.html) for the maximum
number of concurrent connections to a server or proxy. In order to stay
compliant with the HTTP Spec and not deal with client configurations, you
may find it useful to instead put your Geoserver on a separate server (and
DNS) than the rest of your application. This would allow the browsers to
open concurrent connections to both the GS and your application server.
So, your Firebug connections would then be showing calls to:
- http://my-app:8080/funStuff
- http://my-app-geoserver:8080/wms
There will be some build/code changes required to do this, but it'll be
transparent to your user community.
Brian
On Wed, Sep 22, 2010 at 10:28 AM, <[email protected]> wrote:
> Hello Pedro,
>
>
>
> This is an interesting suggestion. This site is used by many people.
> Would you recommend trying to get all users of this site to up their max
> connections parameters?
>
>
>
> Thanks,
>
> Jim
>
>
>
> *From:* Pedro Mendes [mailto:[email protected]]
> *Sent:* Wednesday, September 22, 2010 9:44 AM
> *To:* [email protected]
> *Subject:* RE: [Geoserver-users] Geoserver - Performance Tuning - Firebug
> shows 10+ seconds in "blocking" time
>
>
>
> Hi Jim,
>
> This isn’t a Geoserver issue. According to this (
> http://www.softwareishard.com/blog/firebug/firebug-net-panel-timings/)
>
> “*Blocking*: Elapsed time spent in a browser queue waiting for a network
> connection. Displayed only in the case where this situation happens”
>
>
>
> Until one of the available connections are released the requests will be
> waiting. So if GS isn´t responding in a fashionable way to the WMS requests
> your user experience will be kinda bad.
>
> You can increase the value of Max TCP Connections per server:
>
> Firefox (default=16): about:config »
> network.http.max-connections-per-server;
>
> IE (default=2): create a registry file (.reg) and run it
>
> Example
>
> Windows Registry Editor Version 5.00
>
> [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet
> Settings]
>
> "MaxConnectionsPer1_0Server"=dword:0000002
>
> "MaxConnectionsPerServer"=dword:0000002
>
>
>
> (where 0000002 should be changed to the value you prefer)
>
>
>
> Keep in mind that this kind of settings are valid for all the connections
> your browser establish.
>
>
>
> Cheers,
>
> Pedro Mendes
>
>
>
> *De:* [email protected] [mailto:
> [email protected]]
> *Enviada:* quarta-feira, 22 de Setembro de 2010 13:57
> *Para:* [email protected]
> *Assunto:* [Geoserver-users] Geoserver - Performance Tuning - Firebug
> shows 10+ seconds in "blocking" time
>
>
>
> Hi,
>
>
>
> I am looking into to performance tuning our Geoserver production
> environment.
>
>
>
> I have attached a firebug profile for the site. On page 5 of 14, there
> is a large jump in “blocking” time reported by firebug when doing wms GET
> requests.
>
>
>
> I am curious as to why this jump is occurring. Has anybody else
> encountered this issue? Does anybody know what can be done about this?
>
>
>
> Thanks,
> Jim
>
>
>
>
>
> Jim Meyer
>
> Java Programmer
>
> *Concept**Solutions*, LLC
>
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