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From DavidLevy <dvid.l...@gmail.com>
Subject Re: "too many open files" error with 5.3 and Stomp
Date Thu, 22 Oct 2009 10:11:08 GMT

Hi

- it's web, so I can't really tell ...
I would say 50-100 STOMP PHP producers/consumers
+ 2 REST python producers/consumers
In 5.3 i was using stomp at first, and then stomp+nio but I think both had
the issue.

- most of them yes, because it's new PHP scripts

PS : the server is a 64bit server. It might be a problem ?



Dejan Bosanac wrote:
> 
> Hi David,
> 
> ok, can you at least provide more data on:
> 
> - how many producers/consumers are you using
> - are you opening a new connection for every message send/receive
> 
> Also, are you using regular stomp or stomp+nio transports?
> 
> I'm working on creating a java test that can simulate stomp load
> environment
> with many producers/consumers opening connections.
> 
> Cheers
> --
> Dejan Bosanac - http://twitter.com/dejanb
> 
> Open Source Integration - http://fusesource.com/
> ActiveMQ in Action - http://www.manning.com/snyder/
> Blog - http://www.nighttale.net
> 
> 
> On Wed, Oct 21, 2009 at 4:03 PM, DavidLevy <dvid.levy@gmail.com> wrote:
> 
>>
>> Thanks Dejan,
>>
>> This happen in my production environment which is made of a dozen server.
>> I don't believe it would be easy to reproduce by myself in a smaller
>> environment.
>>
>> I noticed that it works better with v5.2. With 5.3, it's not stable for
>> more
>> than a few hours. 5.2 can last a few days before it crashes.
>>
>> I was also thinking about using REST calls instead of STOMP for some PHP
>> scripts ... It should help if the STOMP leak is my issue for real ...
>>
>>
>>
>>
>>
>> Dejan Bosanac wrote:
>> >
>> > I plan to look at these connection closing issues with stomp in coming
>> > days.
>> > Any chance you can create a reproducible test case (in any language)?
>> >
>> > Cheers
>> > --
>> > Dejan Bosanac - http://twitter.com/dejanb
>> >
>> > Open Source Integration - http://fusesource.com/
>> > ActiveMQ in Action - http://www.manning.com/snyder/
>> > Blog - http://www.nighttale.net
>> >
>> >
>> > On Wed, Oct 14, 2009 at 12:46 PM, DavidLevy <dvid.levy@gmail.com>
>> wrote:
>> >
>> >>
>> >> Hi
>> >>
>> >> I had the issue with 5.2 and now that I installed 5.3 last night, it
>> >> still
>> >> the same, or even worse.
>> >> It basically looks like this issue :
>> >> http://issues.apache.org/activemq/browse/AMQ-1873
>> >>
>> >> After a short time (1 hour or so) the broker is filled with errors
>> like
>> >> 'too
>> >> many open files' and I have to restart activemq.
>> >>
>> >>
>> >> I don't believe it's a performance issue because
>> >> - the host server is strong
>> >> - there are less than 10 queues
>> >> - there are less than 10000 messages
>> >>
>> >> I assume it has to do also with Stomp connections not being released.
>> >> I am using both PHP and Python clients. I believe the issue is related
>> to
>> >> PHP clients that may be more error prone if the Apache threads die
>> >> improperly ...
>> >>
>> >> I ll attach my current config file.
>> >>
>> >> Any help is welcome !
>> >>
>> >> Thanks :)
>> >>
>> >> http://www.nabble.com/file/p25888831/activemq.xml activemq.xml
>> >> --
>> >> View this message in context:
>> >>
>> http://www.nabble.com/%22too-many-open-files%22-error-with-5.3-and-Stomp-tp25888831p25888831.html
>> >> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>> >>
>> >>
>> >
>> >
>> > -----
>> > Dejan Bosanac
>> >
>> > Open Source Integration - http://fusesource.com/
>> > ActiveMQ in Action - http://www.manning.com/snyder/
>> > Blog - http://www.nighttale.net
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/%22too-many-open-files%22-error-with-5.3-and-Stomp-tp25888831p25993154.html
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
>>
> 
> 
> -----
> Dejan Bosanac
> 
> Open Source Integration - http://fusesource.com/
> ActiveMQ in Action - http://www.manning.com/snyder/
> Blog - http://www.nighttale.net
> 

-- 
View this message in context: http://www.nabble.com/%22too-many-open-files%22-error-with-5.3-and-Stomp-tp25888831p26007460.html
Sent from the ActiveMQ - User mailing list archive at Nabble.com.


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