On 2 September 2011 04:38, kowsik <[email protected]> wrote: > Some follow up questions that I'm hoping the dev's can answer. I don't > grok Erlang so if these are dumb questions, humor me. > > The couchdb script launches erlang with the following parameters: > > -Bd - disable breaks > -K true - what's this for? > -A 4 - number of async threads - does concurrency improve if this is > increased? > > There also seems to be a number of options to set the stack size, heap > size, etc. Anyone played around with these settings to get additional > concurrency/performance boosts? > > Thanks, > > K.
Hi Kowsik IIRC janl@ fiddled with these parameters a while back. K is for kernel polling; more info www.erlang.org/doc/man/erl.html If you want to poke more inside Erlang, bigwig http://www.metabrew.com/article/bigwig-erlang-webtool-spawnfest https://github.com/beamspirit/bigwig is new & nice. A+ Dave
