[erlang-questions] couchdb performace 10x: using NIF for file io

Paul Davis <>
Wed Oct 27 19:17:32 CEST 2010


On Wed, Oct 27, 2010 at 12:54 PM, Elliot Murphy <> wrote:
> On Wed, Oct 27, 2010 at 10:19 AM, Paul Davis
> <> wrote:
>> Out of curiosity, do you have another Erlang app that would be a good
>> candidate for using to test that other parts of the VM remain
>> responsive. I was going to suggest various parts of CouchDB that don't
>> touch IO as a smoke screen, but an app doing something real that we
>> can measure in and out of couch and with and without the new file io
>> would be a good help.
>
> I don't know how realistic it is to run both on the same server, but
> RabbitMQ is another Erlang app that I deploy in the same sites as
> CouchDB.
>
> -elliot
>

That's a bit more heavy weight than I was thinking. After a bit of
Googling I might take a look at writing something with egd to do CPU
saturation without being too synthetic.

Paul


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