[Lazarus] GUI development for web UI

Michael Van Canneyt michael at freepascal.org
Fri Dec 3 13:56:04 CET 2010

On Fri, 3 Dec 2010, Michael Schnell wrote:

> On 12/03/2010 01:32 AM, waldo kitty wrote:
>> using apache as an example, if the maximum number of servers (threads) is 
>> reached, then requests are queued for X amount of time in the hopes that a 
>> server comes free to handle the request... if a server does not come free 
>> within X amount of time, then that request is dropped in the bitbucket...
>> i think that the queue (bucket?) also has a limit on the number of requests 
>> that it will hold and if this is reached, then in FIFO fashion, the first 
>> in is dumped since it is also the oldest...
> Do I understand correctly that Apache performs the queuing ?

Apache performs it's own queuing, independent of FastCGI, CGI or whatever.

> So The FCGI interface would need to provide it with additional information 
> (e.g. if any or how many threads are still available) _before_ it opens a 
> connection to the FCGI "Server" (as this would go directly to the thread and 
> not to some kind of thread-scheduler).

No. You probably misunderstood what Waldo wanted to say.

What he said pertains to the inner workings of Apache, and is independent of 
how a particular request is handled. It pertains to how Apache handles new 
connections on its HTTP socket. No more, no less.


More information about the Lazarus mailing list