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| Guest |
 Posted: Wed Nov 04, 2009 4:08 pm |
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Guest
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Hi all,
I've been running rabbitmq for some web services (limited intranet user
base) for about 6 months now and everything has been great... until
recently.
I started to notice that the rabbitmq service would randomly die.
Digging through the logs I started to see messages like the following:
=INFO REPORT==== 1-Nov-2009::09:13:41 ===
starting TCP connection <0.27459.0> from 127.0.0.1:47608
=INFO REPORT==== 1-Nov-2009::09:13:41 ===
closing TCP connection <0.27459.0> from 127.0.0.1:47608
=INFO REPORT==== 1-Nov-2009::09:13:43 ===
alarm_handler: {set,{system_memory_high_watermark,[]}}
=INFO REPORT==== 1-Nov-2009::09:13:44 ===
alarm_handler: {clear,system_memory_high_watermark}
=INFO REPORT==== 1-Nov-2009::09:13:51 ===
Rolling persister log to
"/var/lib/rabbitmq/mnesia/rabbit/rabbit_persister.LOG.previous"
=INFO REPORT==== 1-Nov-2009::09:14:16 ===
alarm_handler: {set,{system_memory_high_watermark,[]}}
=INFO REPORT==== 1-Nov-2009::09:14:17 ===
accepted TCP connection on 0.0.0.0:5672 from 127.0.0.1:47609
=INFO REPORT==== 1-Nov-2009::09:14:17 ===
starting TCP connection <0.27501.0> from 127.0.0.1:47609
=INFO REPORT==== 1-Nov-2009::09:14:17 ===
closing TCP connection <0.27501.0> from 127.0.0.1:47609
=INFO REPORT==== 1-Nov-2009::09:14:18 ===
alarm_handler: {clear,system_memory_high_watermark}
=INFO REPORT==== 1-Nov-2009::09:14:19 ===
accepted TCP connection on 0.0.0.0:5672 from 127.0.0.1:47612
=INFO REPORT==== 1-Nov-2009::09:14:19 ===
starting TCP connection <0.27508.0> from 127.0.0.1:47612
=INFO REPORT==== 1-Nov-2009::09:14:19 ===
closing TCP connection <0.27508.0> from 127.0.0.1:47612
=INFO REPORT==== 1-Nov-2009::09:14:19 ===
alarm_handler: {set,{system_memory_high_watermark,[]}}
=INFO REPORT==== 1-Nov-2009::09:14:22 ===
alarm_handler: {clear,system_memory_high_watermark}
The server that is running the web application, and the rabbitmq service
rarely feels any kind of strain, so I'm having a hard time believing
that it's suffering from resource starvation. Any ideas as to what I
can do to not have to jump start rabbitmq every couple days?
Regards,
Owen Nelson
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| Guest |
| Posted: Thu Nov 05, 2009 9:39 am |
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Guest
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Owen,
Owen Nelson wrote:
> =INFO REPORT==== 1-Nov-2009::09:13:43 ===
> alarm_handler: {set,{system_memory_high_watermark,[]}}
>
> =INFO REPORT==== 1-Nov-2009::09:13:44 ===
> alarm_handler: {clear,system_memory_high_watermark}
These messages indicate that rabbit is running low on memory and is
attempting to throttle producers.
I recommend checking the status of your rabbit using the 'rabbitmqctl
list_* ...' commands. Chances are you have lots of messages in queues,
or perhaps lots of queues, exchanges or bindings.
Regards,
Matthias.
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| Guest |
| Posted: Thu Nov 05, 2009 2:23 pm |
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Guest
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Perhaps this is the culprit?
rabbitmqctl list_queues -p gmate_test
Listing queues ...
celerygraph 277558
celery 0
...done.
What's the best way to clear that out? Looking at the man page for
rabbitmqctl, the only thing I see that would potentially do it would be
to reset the node, then rebuild the vhosts/users. Is that the only way?
Matthias Radestock wrote:
> Owen,
>
> Owen Nelson wrote:
>> =INFO REPORT==== 1-Nov-2009::09:13:43 ===
>> alarm_handler: {set,{system_memory_high_watermark,[]}}
>>
>> =INFO REPORT==== 1-Nov-2009::09:13:44 ===
>> alarm_handler: {clear,system_memory_high_watermark}
>
> These messages indicate that rabbit is running low on memory and is
> attempting to throttle producers.
>
> I recommend checking the status of your rabbit using the 'rabbitmqctl
> list_* ...' commands. Chances are you have lots of messages in queues,
> or perhaps lots of queues, exchanges or bindings.
>
>
> Regards,
>
> Matthias.
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rabbitmq-discuss@lists.rabbitmq.com
http://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-discuss
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| Guest |
| Posted: Thu Nov 05, 2009 3:48 pm |
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Guest
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Hi Owen,
You've got two options for this. Either you can write a client app to do a queue purge, or you can install the BQL plugin which provides a console that you can execute commands on.
The page at http://www.rabbitmq.com/rabbitmq-bql.html#installation discusses installation of this plugin - once you've done that, you should be able to execute a command such as:
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| Guest |
| Posted: Thu Nov 05, 2009 3:54 pm |
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Guest
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Unfortunately, its just been pointed out to me that you are using a non-default vhost which the BQL tool currently can't do. So perhaps it won't be useful in your situation at this point in time. Sorry about that.
On Thu, Nov 5, 2009 at 3:47 PM, Paul Jones <pauljones23@gmail.com (pauljones23@gmail.com)> wrote:
Quote: Hi Owen,
You've got two options for this. Either you can write a client app to do a queue purge, or you can install the BQL plugin which provides a console that you can execute commands on.
The page at http://www.rabbitmq.com/rabbitmq-bql.html#installation discusses installation of this plugin - once you've done that, you should be able to execute a command such as:
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| Guest |
| Posted: Thu Nov 05, 2009 3:56 pm |
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Guest
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Yeah, I use 2 separate vhosts, one for development and one for
production. Good to know!
Paul Jones wrote:
> Unfortunately, its just been pointed out to me that you are using a
> non-default vhost which the BQL tool currently can't do. So perhaps it
> won't be useful in your situation at this point in time. Sorry about that.
>
> On Thu, Nov 5, 2009 at 3:47 PM, Paul Jones <pauljones23@gmail.com
> <mailto:pauljones23@gmail.com>> wrote:
>
> Hi Owen,
>
> You've got two options for this. Either you can write a client app
> to do a queue purge, or you can install the BQL plugin which
> provides a console that you can execute commands on.
>
> The page at http://www.rabbitmq.com/rabbitmq-bql.html#installation
> discusses installation of this plugin - once you've done that, you
> should be able to execute a command such as:
> BQL> purge queue celerygraph;
>
> Thanks,
> Paul.
>
>
> On Thu, Nov 5, 2009 at 2:22 PM, Owen Nelson <onelson@ringling.edu
> <mailto:onelson@ringling.edu>> wrote:
>
> Perhaps this is the culprit?
>
> rabbitmqctl list_queues -p gmate_test
> Listing queues ...
> celerygraph 277558
> celery 0
> ...done.
>
> What's the best way to clear that out? Looking at the man
> page for
> rabbitmqctl, the only thing I see that would potentially do it
> would be
> to reset the node, then rebuild the vhosts/users. Is that the
> only way?
>
>
> Matthias Radestock wrote:
> > Owen,
> >
> > Owen Nelson wrote:
> >> =INFO REPORT==== 1-Nov-2009::09:13:43 ===
> >> alarm_handler: {set,{system_memory_high_watermark,[]}}
> >>
> >> =INFO REPORT==== 1-Nov-2009::09:13:44 ===
> >> alarm_handler: {clear,system_memory_high_watermark}
> >
> > These messages indicate that rabbit is running low on memory
> and is
> > attempting to throttle producers.
> >
> > I recommend checking the status of your rabbit using the
> 'rabbitmqctl
> > list_* ...' commands. Chances are you have lots of messages
> in queues,
> > or perhaps lots of queues, exchanges or bindings.
> >
> >
> > Regards,
> >
> > Matthias.
>
> _______________________________________________
> rabbitmq-discuss mailing list
> rabbitmq-discuss@lists.rabbitmq.com
> <mailto:rabbitmq-discuss@lists.rabbitmq.com>
> http://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-discuss
>
>
>
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| Guest |
| Posted: Thu Nov 05, 2009 4:22 pm |
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Guest
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| Guest |
| Posted: Thu Nov 05, 2009 4:29 pm |
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| wuji |
| Posted: Wed Aug 22, 2012 7:01 am |
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Posts: 654
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