If at all possible, try running the program through strace and determine
on what system call it is blocking. Get back to us with the result.
Cheers,
-Dominic
On Thu, 2006-10-12 at 09:04 +1000, David Brodrick wrote:
> Hi All,
> I'm chasing a problem where a (normally) smoothly-running java program
> seems to briefly stall from time-to-time.
>
> The CPU does not appear exhausted (according to "top") but the machine
> is still fairly busy. One of the things that makes the machine busy is a
> program that fires up a different java program in a tight loop.
>
> I was wondering whether different JVMs on the same host can interact in
> some way? Are there any common resources that could enable one JVM to be
> blocked for a short period while another JVM is starting up? Or is my
> problem more likely to be normal resource (CPU) competition?
>
> I suspect it's the latter but thought I'd ask the experts to be sure.
> I'm running:
> Java(TM) 2 Runtime Environment, Standard Edition (build
> Blackdown-1.4.2-rc1)
> Java HotSpot(TM) Client VM (build Blackdown-1.4.2-rc1, mixed mode)
--
Dominic Duval, RHCE/RHCX Cell: 514-581-7975
Instructor [EMAIL PROTECTED]
Red Hat Global Learning Services http://people.redhat.com/dduval
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