[rabbitmq-discuss] Does SSD improve rabbitmq's performance

[Matthias Radestock]

Graeme,

On 20/11/13 19:10, Graeme N wrote:
> Looking at the files under
> /var/lib/rabbitmq/mnesia/rabbit at hostname/msg_store_persistent on our
> busiest host, and we see ~390 files, all <= 17 MiB. Compare to MySQL or
> Riak, where we split the InnoDB or Bitcask append-only logs at 500 MiB,
> which is chosen so it fits inside of our hardware RAID controllers' BBU
> caches.

The msg_store file size is configurable. See msg_store_file_size_limit 
at http://www.rabbitmq.com/configure.html#config-items. If you want to 
set that to 500MiB, go for it.

Regards,

Matthias.