[rabbitmq-discuss] memory usage reporting

Kyle O'Donnell kyleo at 0b10.mx
Wed Apr 24 21:49:46 BST 2013

R16B seems to behave the same way R15B03 does:

Status of node 'rabbit at p1-amqp-j101' ...
     [{rabbitmq_management_visualiser,"RabbitMQ Visualiser","0.0.0"},
      {rabbitmq_management,"RabbitMQ Management Console","0.0.0"},
      {rabbitmq_web_dispatch,"RabbitMQ Web Dispatcher","0.0.0"},
      {mochiweb,"MochiMedia Web Server","2.3.1-rmq0.0.0-gitd541e9a"},
      {rabbitmq_management_agent,"RabbitMQ Management Agent","0.0.0"},
      {mnesia,"MNESIA  CXC 138 12","4.8"},
      {os_mon,"CPO  CXC 138 46","2.2.11"},
      {inets,"INETS  CXC 138 49","5.9.4"},
      {amqp_client,"RabbitMQ AMQP Client","0.0.0"},
      {xmerl,"XML parser","1.3.3"},
      {sasl,"SASL  CXC 138 11","2.3.1"},
      {stdlib,"ERTS  CXC 138 10","1.19.1"},
      {kernel,"ERTS  CXC 138 10","2.16.1"}]},
     "Erlang R16B (erts-5.10.1) [source] [64-bit] [smp:4:4] [async-threads:30] [hipe] [kernel-poll:true]\n"},

----- Original Message -----
From: "Matthias Radestock" <matthias at rabbitmq.com>
To: "Kyle O'Donnell" <kyleo at 0b10.mx>
Cc: "Discussions about RabbitMQ" <rabbitmq-discuss at lists.rabbitmq.com>
Sent: Wednesday, April 24, 2013 2:48:11 PM
Subject: Re: [rabbitmq-discuss] memory usage reporting


On 24/04/13 18:49, Kyle O'Donnell wrote:
> The difference is actually that my application finished starting
> using rabbit with R14 whereas with R15 my application didn't get to
> start because rabbit had reached the high watermark.

I see. There could be some sort of feedback loop between your app and 
rabbit, where some behaviour difference in the underlying Erlang VM gets 

> Rabbit is not the first erlang app I've seen to use large amounts of
> Virtual Memory when used with R15.  I am still leaning more towards
> R15, but haven't found any proof yet.

Give R16B a try.



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