[cvsnt] Re: Resource leaks in 2.5.xx ???

Peter Crowther Peter.Crowther at melandra.com
Wed May 24 09:42:18 BST 2006


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> From: Kevin
> If not task manager, what is the best thing to be looking at?

Performance Monitor, looking at per-process figures, filesystem figures
and what kernel figures you can see.  I accept entirely that this
doesn't tell you about free resources on the system, merely consumed
resources.  Available Memory is dubious at best - the kernel could have
allocated additional paged RAM for data structures, and not handed them
back because there's no memory pressure on the system, for example; or
the filesystem cache could have grown because a file was read into
memory and (again) there's no memory pressure on the machine.

Modern OSs are lazy - it saves CPU cycles.  Give 'em a big machine and
they'll allocate all the RAM to subsystems on demand before releasing
any, just in case that subsystem needs it again.

		- Peter



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