AW: [SNMP4J] SNMP4J on an application server like tomcat or jboss

[Frank Fock]

Hello Georg,

Yes, you can and should use the same Snmp instance
and related transport mappings for multiple targets.
Otherwise a low performance would be the result of
the resource allocation overhead.

Best regards,
Frank

Georg Ungerböck wrote:
> I just got it working on a JBOSS app server. It works exactly as you
> described: I use a single SNMP instance and transportmapping in a
> TimerService-Bean. The SNMP instance is created when the timer event occurs,
> various SNMP requests / responses are sent and received, the SNMP instance
> is destroyed just before the TimerService ends.
> 
> But I have another question, when using one SNMP instance for multiple sends
> / receives:
> Now I use snmp.start() and snmp.stop() for every request / response which is
> sent (this consumes a lot of resources). Is it possible to use the listener
> thread for multiple messages to different target devices?
> 
> Best regards,
> Georg
> 
> -----Ursprüngliche Nachricht-----
> Von: Frank Fock [mailto:fock at agentpp.com] 
> Gesendet: Sonntag, 20. Jänner 2008 13:10
> An: Georg Ungerböck
> Cc: snmp4j at agentpp.org
> Betreff: Re: [SNMP4J] SNMP4J on an application server like tomcat or jboss
> 
> Hello Georg,
> 
> The next release of SNMP4J (1.9 RC3/final) will support
> custom thread factories compatible with the J2EE
> WorkerManager.
> 
> Although the current release creates its own thread
> it works very well in a J2EE environment as long as
> a single Snmp instance and a defined number of transport
> mappings are used. Then the created threads are constant
> and do not interfere with the agents resource management.
> 
> Hope this helps.
> 
> Best regards,
> Frank
> 
> 
> Georg Ungerböck wrote:
>> Hello,
>>
>> I am looking for information if it is possible to use the SNMP4j library
> in
>> an environment with an application server like tomcat or jboss.
>>
>> Additionally threads (like the server thread of the SNMP4j to receive
>> incoming SNMP messages) on such environments may cause problems.
>>
>> Does anybody know if this will work?
>>
>> Thanks,
>> Georg
>>
>> _______________________________________________
>> SNMP4J mailing list
>> SNMP4J at agentpp.org
>> http://lists.agentpp.org/mailman/listinfo/snmp4j
> 

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