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Date: Wed, 6 Oct 2010 09:14:45 +0200
Message-ID: <AANLkTinfwB4qwZVrXQ4qXM6BLY2wrCvsNsMgVyDvgQoz@mail.gmail.com>
Subject: Re: javax.jms.ResourceAllocationException: SystemUsage memory limit
 reached :Need to understand concept
From: Dejan Bosanac <dejan@nighttale.net>
To: users@activemq.apache.org
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Hi,

your producers are slowed down on memory limit reached, not store
limits. See http://activemq.apache.org/producer-flow-control.html for
more information.


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 6, 2010 at 3:40 AM, tmane <tmane@stubhub.com> wrote:
>
>
>
> Hi ,
>
>
> Active Mq version : =A0activemq-all-5.3.0.4
> Operating system: Linux
> Java version :6
> Usage: Queues using persistent messages.
>
> Configuration:
>
> =A0 =A0 =A0 =A0<!-- =A0The maximum about of space the broker will use bef=
ore slowing
> down producers -->
> =A0 =A0 =A0 =A0<systemUsage>
> =A0 =A0 =A0 =A0 =A0 =A0<systemUsage sendFailIfNoSpace=3D"true">
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<memoryUsage>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<memoryUsage limit=3D"800 mb"/>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0</memoryUsage>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<storeUsage>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<!-- create a bean for persistence=
 adapter so that it
> can be reffered to by system usage -->
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<storeUsage limit=3D"2 gb" name=3D=
"foo" store=3D"#store"/>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0</storeUsage>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<tempUsage>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<tempUsage limit=3D"2 gb"/>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0</tempUsage>
> =A0 =A0 =A0 =A0 =A0 =A0</systemUsage>
> =A0 =A0 =A0 =A0</systemUsage>
>
> Persistance Adaptor has maxFileLength=3D"20 mb" (total data store is 2gb)
>
> Messages are also not too bulky its simple concatenated string of few
> variables.
>
> Seeing this exceptions on producer send:
> org.springframework.jms.ResourceAllocationException: SystemUsage memory
> limit reached; nested exception is javax.jms.ResourceAllocationException:
> SystemUsage memory limit reached
>
> Issue:
> Currently we have a setup where we have very fast producers and slow
> consumers.As per expectation broker is trying to slow down the producer b=
y
> sending out a JMSException as above.
> When this exceptions are happening data store which has 2gb of space is
> still having enough space,also other queues on this broker continue to wo=
rk
> fine.
>
> I am trying to understand when broker is slowing down producer which spac=
e
> its looking at to determine that its out of memory limit.
>
> Any knowledge sharing on this is much appreciated.
>
> Thanks in advace.
> -tm
> --
> View this message in context: http://activemq.2283324.n4.nabble.com/javax=
-jms-ResourceAllocationException-SystemUsage-memory-limit-reached-Need-to-u=
nderstand-concept-tp2957136p2957136.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>