Re: nginx and lua for web scripting

[Harley Laue <losinggeneration@...>]

On Mon, Sep 24, 2012 at 3:48 PM, Coda Highland <chighland@gmail.com> wrote:
>
> On Sep 24, 2012 1:17 PM, "Harley Laue" <losinggeneration@gmail.com> wrote:
>>
>> On Mon, Sep 24, 2012 at 2:24 PM, Petite Abeille
>> <petite.abeille@gmail.com> wrote:
>> >
>> > On Sep 23, 2012, at 2:43 AM, g.lister <g.lister@nodeunit.com> wrote:
>> >
>> >> I was wondering what are people doing for Lua web development and if
>> >> anyone is using nginx as the HTTP server and how is Lua setup in this case.
>> >
>> > While nginx is a fine piece of machinery, do you really need such a
>> > tight integration and its added complexity?
>> >
>> > CGI is looked down at, but its simplicity and portability cannot be
>> > beaten.
>>
>> IMO it's rightly looked down upon for well establish reasons (the
>> overhead of spawning a new process on each request causes scaling
>> issues.) That's why FCGI & SCGI came about to help with that
>> bottleneck.
>
> There's more to it than just the spawn overhead. There's also the state
> overhead. Each CGI process spawned has to re-query the relevant portions of
> state from long-term storage, including state that is temporary but
> longer-lived than a single request. A persistent process can maintain
> relevant state in RAM, avoiding the need to repeatedly query for
> rarely-changing data and offering a better way of dealing with session data.
>
> /s/ Adam

Yes, I was merely giving a single example of where it can cause bottle
necks. There are obvious others, but I didn't think I needed to give a
complete list ;)