[SNMP4J] Spurious 1000 millisecond delays when sending traps

[Frank Fock]

Hi,

Are you using a single Snmp instance with a single
set of transport all the time? If not, that's the
problem.

Best regards,
Frank

Parhar, Ajeet S wrote:
> Hi,
> 
> I've been doing some testing with snmp4j recently and getting some
> anomalous results which I'm hoping someone can enlighten me on.
> 
> My java application basically reads in a message from a Java JMS
> messaging bus and uses snmp4j to send out a trap. The application works
> more-or-less as expected. However, when I put in a few
> System.out.println()s of System.currentTimeMillis() timing information I
> notice that it usually takes a few to few tens of millisends for
> messages to transit the application. The anomaly is that every now and
> again it appears to take an extra 1000 milliseconds, which appears to be
> gettings caught in the sending process somehow.
> 
> I've experienced this with Java 1.5 on XP and Java 1.6 on Linux.
> 
> I believe I'm setting target.setTimeout() to non-1000 values.
> I have noticed that the rate at which the delays appear is inversely
> proportional to that loading of the hardware that's running the JVM (ie.
> The more heavily loaded is the machine, the less frequently the anomaly
> appears).
> After much digging I discovered this link which seems to me relevant,
> but I'm not sure:
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4667046
> Has anyone else experienced this problem? If so does anyone know why it
> may be happening? If not, any ideas on how I can focus in on its source?
> 	Regards,
> 	- Ajeet.
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