Thank you for all the replies to my post. I've read them all and so far
here's what I've gathered / have to do:
* We are using an 8-CPU 64-bit Opteron machine so process size won't be
a problem.
* My max mem size, virtual memory, data segment size are all unlimited
as I'm root.
* RHEL might be swapping to disk even with a lot of free physical memory.
* Recode my application to do less but larger mallocs (few MBs each?). I
have several versions of my malloc application in place, linked list,
trees, etc. Ideally I would like to use binary trees inside a hash table
for easy lookups.
Carlo
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