-server is the single biggest help in dealing with James and memory, it has
a dramatic effect on James, maing it keep going reliably long after it
would previously have fallen over.
I believe this is largely owed to more aggressive garbage collection in the
server vm.
>From what I've seen it loooks like it's based upon the premis that the gc
will have to interrupt something because load will be steady, therfore gc
is carried out when it is needed not just when its convenient.
You can reduce the impact of this somewhat by also specifying -Xnoincgc
(check the docs to see what to do) in suns jvm. This turns on incremental
garbage collection which has an overall hit on speed types of performance
but removes the embarassing pauses which Java exhibits when using the
standard gc behaviour.
What you end up with is lower performance but a much more stable
installation. == solve your load issue with new/more hardware.
d.
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