[rabbitmq-discuss] Rabbitmq Crash and number of consumers

[Eugene Kirpichov]

You can search for ets_index insert, I believe.

On Fri, Oct 7, 2011 at 12:41 PM, Eugene Kirpichov <ekirpichov at gmail.com> wrote:
> Hi Andrea,
>
> I had exactly the same problem once. Search the mailing list.
> I believe it has since been fixed in later versions of RabbitMQ.
>
> On Fri, Oct 7, 2011 at 12:08 PM, Rosa, Andrea <andrea.rosa at hp.com> wrote:
>> Hi all,
>>
>>
>>
>> We are using Rabbitmq 2.5 version and yesterday we found (a number of time)
>> in the log file this entry:
>>
>> =INFO REPORT==== 6-Oct-2011::14:58:13 ===
>>     alarm_handler: {set,{file_descriptor_limit,[]}}
>>
>> Finally it hit an error:
>>
>> =ERROR REPORT==== 6-Oct-2011::14:58:13 ===
>> ** Generic server msg_store_persistent terminating
>> ** Last message in was {'$gen_cast',
>>                            {client_dying,
>>                                <<199,5,182,196,129,67,147,182,61,201,143,0,
>>                                  51,197,190,234>>}}
>> ** When Server state == {msstate,
>>                             "/var/lib/rabbitmq/mnesia/nodename/msg_store_persistent",
>>                             rabbit_msg_store_ets_index,
>>                             {state,520256,
>>                                 "/var/lib/rabbitmq/mnesia/nodename/msg_store_persistent"},
>>                             22,#Ref<0.0.0.1817>,
>>                             {dict,0,16,16,8,80,48,
>>                                 {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],
>>                                  []},
>>                                 {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],
>>                                   [],[]}}},
>>                             [],undefined,589,5530342,[],<0.296.0>,524353,
>>                             516159,528450,
>>                             {set,19,16,16,8,80,48,
>>                                 {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],
>>                         ....
>> ** Reason for termination ==
>> ** {{badmatch,false},
>>     [{rabbit_msg_store_ets_index,insert,2},
>>      {rabbit_msg_store,write_message,3},
>>      {rabbit_msg_store,handle_cast,2},
>>      {gen_server2,handle_msg,2},
>>      {proc_lib,wake_up,3}]}
>>
>> =INFO REPORT==== 6-Oct-2011::14:58:14 ===
>> stopped TCP Listener on [::]:5672
>>
>>
>>
>> Right after this, rabbitmq closed the listener socket and did not recover.
>> The service kept running without accepting any connections, to fix the
>> problem we needed to restart the service.
>>
>> What can be happened?
>>
>>
>>
>> I have got another question: when I run the rabbitmqctl list_queues
>> consumers the number of the consumers how is it calculate?
>>
>> There is a “live” calculation or the information are stored somewhere and
>> refreshed after “n” seconds?
>>
>> I’ve got a queue with a single consumer and sometimes (I don’t know why!)
>> the consumer disappears, to detect that there is a script running which uses
>> rabbitmqctl list_queues command but It can detect this situation with a
>> delay of about 10-15 minutes even if the script  runs every minute.
>>
>>
>>
>> Best Regards
>>
>> --
>>
>> Andrea Rosa
>>
>>
>>
>>
>>
>>
>>
>> _______________________________________________
>> rabbitmq-discuss mailing list
>> rabbitmq-discuss at lists.rabbitmq.com
>> https://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-discuss
>>
>>
>
>
>
> --
> Eugene Kirpichov
> Principal Engineer, Mirantis Inc. http://www.mirantis.com/
> Editor, http://fprog.ru/
>



-- 
Eugene Kirpichov
Principal Engineer, Mirantis Inc. http://www.mirantis.com/
Editor, http://fprog.ru/