[rabbitmq-discuss] eheap_alloc error

[Suhail Doshi]

Doing some investigation into what happened, apparently the memory just
instantly got used, it wasn't leaking something slowly...any ideas?
Attached is an image of memory usage, then the consumer dies freeing up the
memory used later.

On Tue, Sep 15, 2009 at 8:56 AM, Suhail Doshi <suhail at mixpanel.com> wrote:

> queue's are marked as durable and persistent on both sides:
>
> Producer:
> send_message(Channel, Ticket, X, RoutingKey, Payload) ->
>     BasicPublish = #'basic.publish'{ticket = Ticket,
>                                     exchange = X,
>                                     routing_key = RoutingKey,
>                                     mandatory = false,
>                                     immediate = false},
>     BasicProperties = amqp_util:basic_properties(),
>     Properties = BasicProperties#'P_basic'{delivery_mode=2}, %% Persistence
> plz
>     Content = #content{class_id = 60,
>          properties = Properties,
>          properties_bin = none,
>          payload_fragments_rev = [Payload]
>         },
>     amqp_channel:cast(Channel, BasicPublish, Content).
>
>
> I recently just had my producer crash:
>                                      <<"event">>,false,false})
> Discarding content bearing method ({'basic.publish',1,<<"records">>,
>                                        <<"event">>,false,false})
> Discarding content bearing method ({'basic.publish',1,<<"records">>,
>                                        <<"event">>,false,false})
> Discarding content bearing method ({'basic.publish',1,<<"records">>,
>                                        <<"event">>,false,false})
> Discarding content bearing method ({'basic.publish',1,<<"records">>,
>                                        <<"event">>,false,false})
> Discarding content bearing method ({'basic.publish',1,<<"records">>,
>                                        <<"event">>,false,false})
> Discarding content bearing method ({'basic.publish',1,<<"records">>,
>                                        <<"event">>,false,false})
>
> Crash dump was written to: erl_crash.dump
> eheap_alloc: Cannot allocate 5854930744 bytes of memory (of type
> "heap_frag").
> Aborted
>
>
> Dump:
>
> =erl_crash_dump:0.1
> Tue Sep 15 11:12:02 2009
> Slogan: eheap_alloc: Cannot allocate 5854930744 bytes of memory (of type
> "heap_frag").
> System version: Erlang R13B01 (erts-5.7.2) [source] [64-bit] [smp:4:4]
> [rq:4] [async-threads:0] [hipe] [kernel-poll:false]
> Compiled: Tue Jun 23 19:56:26 2009
> Atoms: 7600
> =memory
> total: 7249076328
> processes: 7195628192
> processes_used: 7195558088
> system: 53448136
> atom: 509577
> atom_used: 496634
> binary: 43489256
> code: 4768046
> ets: 316624
> =hash_table:atom_tab
> size: 4813
> used: 3785
> objs: 7600
> depth: 8
> =index_table:atom_tab
> size: 8192
> limit: 1048576
> entries: 7600
> =hash_table:module_code
> size: 97
> used: 72
> objs: 123
> depth: 5
> =index_table:module_code
> size: 1024
> limit: 65536
> entries: 123
> =hash_table:export_list
> size: 2411
> used: 1798
> objs: 3355
> depth: 8
> =index_table:export_list
>



-- 
http://mixpanel.com
Blog: http://blog.mixpanel.com
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