Multiple instances of jrun.exe running?

Is it common for there to be more than one instance of
jrun.exe running in a non-clustered installation of CF7? There have
been episodes where jrun.exe seems to get taxed on moderately size
queries. After looking at Task Manager on Win2K3 server - there are
sometimes 3 or 4 instances of jrun.exe running. The first instance
is usually very high (ex. 450 MB) while the other instance(s) hover
around the 10-15 MB mark and remain constant. Does this sound like
an issue that can be controlled by CFAdmin or are there issues with
our configuration:
Win2K3 Server (VMWare instance)
CF7.01 (yes we know it needs a patch)
512 MB RAM
Any thoughts on this is appreciated.
Thanks.

> Is it common for there to be more than one instance of
jrun.exe running in a
> non-clustered installation of CF7?
Yes.
A multi-server install (not a clustered) of CF could well
have one instance
of JRUN.EXE running for each CF instance. There's usually at
least two: one
for the initial CF instance, and one for the JMC. You can
switch the JMC
one off (starting it on the off-chance you need it, which is
almost never).
> The first instance is usually very high (ex. 450 MB)
while the other
That's not especially high for a CF app server. We generally
allocate the
max 1.3GB (on Windows) to the JVM that each CF instance is
using.
> 512 MB RAM
OK, that's not even enough RAM for a PC workstation these
days, let alone a
server! W2k3 itself needs around a minimum of 400MB to run.
The default
install of CF will want another 512MB.
I would not run a desktop PC on less than 2GB RAM these days.
And make
that 4GB for a server. A low-spec'ed one.
Adam

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