nginx, echo module & lua

[Pierre]

On 02/mai - 19:46, agentzh wrote:
> Hello!
> 
> On Wed, May 2, 2012 at 4:11 PM, Pierre <serarien at baqs.net> wrote:
> > I'm trying to use both echo module & lua, but I'm having some issues:
> >
> > 1. I reach quickly "subrequests cycle". Looking @ the code, subrequests is
> > unsigned:8,
> > but I would need thousands of subrequests sometimes. putting subrequests to
> > unsigned just
> > results to crashes.
> >
> 
> There's no way to support thousands of subrequests in a single main
> request without patching the nginx core.
> 
> But you're encouraged to try out ngx_lua's cosocket API to avoid
> subrequests altogether. And the cosocket stuff does not have such
> limitations.
> 
> There's already several Lua drivers based on that, including
> memcached, redis, mysql, http, and mongodb. For instance, the
> lua-resty-redis library:
> 
> https://github.com/agentzh/lua-resty-redis
> 

how can I combine cosocket & foreign upstream ?
also, I didn't find any example involving cosocket between locations, or maybe
I'm getting it wrong.

> > 2. when in config: set_by_lua_file $varname luafile.lua , and luafile.lua
> > references to ngx.ctx,
> > I get the following error:
> > (lua-error)...no request ctx found
> > according to the doc, ngx.ctx is available in set_lua*, but does not work.
> > Would anybody suggest
> > me a workaround ?
> >
> 
> This is indeed a bug. Thanks for reporting this!
> 
> I've just committed a patch for it:
> 
> https://github.com/chaoslawful/lua-nginx-module/commit/bee1cab

works like a charm, thanks !

> 
> Could you try out the git master HEAD on your side?
> 
> Thanks!
> -agentzh
> 
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