Dear all,
If a proper analysis of the memory consumption is of interest to
anyone, it could be an idea to use Valgrind/Memcheck: http://valgrind.org/
Anyhow, before going over such detailed and time consuming analysis, I first
would try to:
1. use the TCL Standard memory allocator (and not the Zippy one)
2. properly configure the parameters in the 'config.tcl'
Cheers,
Maurizio
-----Original Message-----
From: AOLserver Discussion [mailto:[EMAIL PROTECTED] On Behalf Of
Dossy Shiobara
Sent: 01 May 2008 21:11
To: AOLSERVER@LISTSERV.AOL.COM
Subject: Re: [AOLSERVER] Getting a handle on memory usage
On 2008.05.01, Maurizio Martignano <[EMAIL PROTECTED]> wrote:
> When using Zippy I noticed that the memory occupied by Aolserver (nsd)
> always grows, without being released.
That's probably because we don't invoke madvise() anywhere. Of course,
apparently on MacOS X madvise() is broken, and on Win32 we should use
VirtualFree(). See this entry about jemalloc where this issue is
explored:
Perceived jemalloc memory footprint
http://www.canonware.com/~ttt/2008/01/perceived-jemalloc-memory-footprint.ht
ml
I mentioned on the IRC chat that it might be fun to implement a very
fine-grained debugging memory allocator implementation that keeps lots
of statistics that we can examine and is designed with knowledge that
it's debugging an AOLserver process to record the relevant bits of
information so we can correlate it back to an activity that the code is
performing.
I don't know if this is a worthwhile idea, but it was fun to think about
for a moment, anyway.
--
Dossy Shiobara | [EMAIL PROTECTED] | http://dossy.org/
Panoptic Computer Network | http://panoptic.com/
"He realized the fastest way to change is to laugh at your own
folly -- then you can let go and quickly move on." (p. 70)
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