[rabbitmq-discuss] RabbitMQ binary uses a ton of memory
Matthias Radestock
matthias at rabbitmq.com
Wed Jan 2 10:23:07 GMT 2013
Jervis,
On 02/01/13 09:58, Jervis Liu wrote:
> As soon as I have 10000+ connections, RabbitMQ starts to eat up a
> lof of memory. Most of the memory usage are kind of expected except
> the memory used by binary. The memory taken by binary seems to be
> consistent, i.e., each connection takes about 88K memory.
That's likely the socket buffers. By default rabbit just leaves their
sizing to the O/S. You can tune their size by setting sndbuf, recbuf and
buffer in the rabbit tcp_listen_options, e.g. put the following in your
rabbitmq.config file:
[{rabbit, [{tcp_listen_options, [binary,
{sndbuf, 1024},
{recbuf, 1024},
{buffer, 1024},
{packet, raw},
{reuseaddr, true},
{backlog, 128},
{nodelay, true},
{linger, {true, 0}},
{exit_on_close, false}]}]}].
(all the other values are copies of the default config)
Regards,
Matthias.
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