On Sun, 16 Oct 2005 05:21:17 -0700
Gustaf Neumann wrote:
> i have written the following script to help to find "application level leaks"

and later
> If the numbers don't change significantly, it is highly likely that
> there is a c-level memleak involved and
> it is not an application problem (oacs, dotlrn).


Hello everyone,

I hope nobody minds me bumping this old thread. Gustaf, I used your script on a 
production server that appears to be leaking memory. Can you please help me 
interpret it?

This was the total at startup
TOTAL: pid 10686 vsz 592489 namespaces 543 vars 96 var_bytes 10118 
array_elements 313 cmds 266 procs 4511

then just before the crash
TOTAL: pid 10686 vsz 1112509 namespaces 543 vars 86 var_bytes 8771 
array_elements 256 cmds 266 procs 4469
unable to alloc 495960171 bytes

Would you consider the less than double "vsz" figure a significant change? Is 
it of any significance that the other values decreased (vars var_bytes etc)?
So would this suggest a C-level or application-level problem?

The strange thing about this particular case is that the developers tell me 
that "nothing changed" on this server in quite some time. And yet it 
mysteriously started crashing last week.

many thanks for any assistance

Brian Fenton


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