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ulimit and 64 bits process

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# 1  
Old 11-15-2007
Question ulimit and 64 bits process
as we know, ulimit can be used to limit the stack and heap size of a process occupy. However, the space for 32-bits and 64 bits process are different.

for example, "ulimit -s xxxx" only limit the stack size of 32- bits process, am I right?

How to limit the size of 64-bits process?

thanks a lot!Smilie
# 2  
Old 11-16-2007
Which platform?

Post output of "uname -a".
# 3  
Old 11-16-2007
ulimit and 64_bits process
Quote:
Originally Posted by porter
Which platform?

Post output of "uname -a".
the platform is
HP-UX rx4640 B.11.23 U ia64 3815388320


Thanks!
# 4  
Old 11-18-2007
Quote:
Originally Posted by tommy_cs
the platform is
HP-UX rx4640 B.11.23 U ia64 3815388320


Thanks!

if it is on Red hat linux, how we set the stack size limit for 64 bits process?
can we still use ulimit to set the limit?


Thanks!
# 5  
Old 11-18-2007
Re max stack size on HP-UX 11.23, have a look at the kernel parameters - maxssiz and maxssiz_64bit:

http://docs.hp.com/en/939/KCParms/KCparam.MaxSsiz.html
# 6  
Old 12-25-2007
thanks for your information Smilie,
so ulimit is no use on HP-UX?
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