On Sun, Apr 1, 2012 at 3:06 AM, <milspec@gmx.de> wrote:
> fallabs has released the new kyotocabinet-lua-1.26 which no longer causes
> the Lua-crash-problems.
>
Cool :)
> The remaining issue is: How to have one memory db persistent over all
> requests and over all nginx workers.
>
I don't think it's possible without using shared memory. You can
always configure nginx to launch a single worker though.
> Maybe you could build a module for openresty as the speed is much higher
> than any other
> socket-based (mysql, redis, memcached) implementation.
>
I don't see how this module can be done if we'd enable multiple nginx workers :)
Well, you can always write a lua library that uses cosocket to talk to
Kyoto Tycoon which provides a network layer for Kyoto Cabinet.
> And you have features like transactions, jumps, cursors, etc. with Kyoto
> cabinet so a nice
> gap-filler between your own shared-dict implementation which is fast but
> with basic features
> and the full featured socket-based storages like redis, mysql which are some
> orders of magnitude
> slower due to their socket-interface.
>
Well, you can surely extend the shared dict thing in ngx_lua. I'll
expose APIs of this thing and allow others to write Nginx modules to
customize the shared dict implementation.
Best regards,
-agentzh
P.S. I've cc'd the openresty mailing group so that other people can
see our discussion here.
