[rabbitmq-discuss] After upgrade to 3.3.3 rabbitmq-server failing to start

Michael Klishin mklishin at gopivotal.com
Thu Jun 19 21:34:10 BST 2014

On 20 June 2014 at 00:31:01, Karl Jackson (isskjj at gmail.com) wrote:
> > Erlang R14B04 (erts-5.8.5) [source] [64-bit] [smp:2:2] [rq:2]  
> [async-threads:0] [kernel-poll:false]

Very odd. You have 2 CPU cores but Erlang VM decides to use 2 schedulers
(that run code) and 0 I/O threads (which are needed for schedulers to not
be blocked by I/O operations).

Is upgrading Erlang to R16B03 an option for you? You can find packages
for various platforms  here:


Software Engineer, Pivotal/RabbitMQ

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