Thanks for the reply. I am perhaps confused with all of this. It seems
that if I use the scheduling proc, I can start a thread that runs
perpetually and does nothing. Then, I can use tclthread API to transfer
control into this and issue some proc that would perform mutex and serve
the file to the current ns_conn details and quit. Am I thinking this right
or am I being stupid? :-)
On Friday, March 20, 2015 at 5:09:20 AM UTC+8, Tony Bennett (Brown Paper
Tickets) wrote:
>
> Look at the scheduling commands at
> http://panoptic.com/wiki/aolserver/Tcl_API. You could make an image
> processing queue that runs in it's own thread and it won't take up any
> connections.
>
> Tony
>
> On 3/18/15 11:09 PM, Sep Ng wrote:
>
> Hi all,
>
> I've been reading up on aolserver background delivery tricks on OpenACS
> and I've seen that the patches for the static TCL channel is already in
> 4.5.1. In the spirit of improving server performance, I've been wondering
> if such facility is worth building on the custom app to increase
> concurrency and scalability.
>
> Most of the time, our aolserver also has to handle incoming requests for
> multiple jpeg, javascript libraries, and a lot of other things. Freeing up
> the connection thread sounds very useful in improving the server
> scalability so I wanted a little bit of help on getting this to work.
>
> It's been hard trying to wrap my head around using ns_conn channel and
> what I can actually do with this static TCL thread. It seems that I should
> be redefining ns_returnfile to use background delivery. Could I use it to
> push a TCL proc that generates given the parameters, the dynamic page to
> this TCL channel to free up my connections?
>
> Sep
>
>
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