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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Broker JVM arguments/properties

Broker JVM arguments/properties

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warrenpage

Posted: Tue Jun 17, 2003 8:42 pm Post subject: Broker JVM arguments/properties

Acolyte

Joined: 19 Feb 2002
Posts: 56
Location: Australia

Does anyone know how to pass arguments to the Broker JVM? For example to increase/manipulate the heap size/garbage collections/debugging info etc.

I though i remembered seeing from additional arguments on the mqsichangebroker command but cant find that doco.

Maybe I was thinking of the mqsichangeconfigmgr -j parm?

Anyone doing any java profiling of the broker jvm?

sknrt1

Posted: Tue Aug 08, 2006 11:55 am Post subject:

Apprentice

Joined: 22 Jan 2003
Posts: 39
Location: USA

mqsichangeproperties command allows to change broker properites.
use mqsireportproperties to look at the existing values.
e.g:
mqsireportproperties BrokerName -e <ExGrpName>
-o ComIbmJVMManager -a

Result: (from broker on my workstation on windowsxp)
ComIbmJVMManager=''
uuid='ComIbmJVMManager'
userTraceLevel='none'
traceLevel='none'
userTraceFilter='none'
traceFilter='none'
jvmVerboseOption='none'
jvmDisableClassGC='false'
jvmNativeStackSize='-1'
jvmMinHeapSize='134217728'
jvmMaxHeapSize='-1'
jvmDebugPort='0'

(-a lists all the properties and values of the object specified with -o option)

Accordingly you can change property values using mqsichangeproperties.

Thanks

jefflowrey

Posted: Tue Aug 08, 2006 11:56 am Post subject:

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

Also, be aware that there isn't a "broker JVM".

Each execution group is a JVM.
_________________
I am *not* the model of the modern major general.

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