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тАО11-14-2005 06:46 AM
тАО11-14-2005 06:46 AM
ulimit for memory
How can I set the ulimit -m unlimited in Tru64?
When I tried to do "# ulimit -m unlimited ",I am getting an error saying:
ksh: u;imit: exceeds allowable limit
Can any one suggest me?
Thanks
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тАО11-14-2005 07:11 AM
тАО11-14-2005 07:11 AM
Re: ulimit for memory
ulimit -m 16322280
Anyway, you don't need unlimited because the available RAM is the limit.
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тАО11-14-2005 07:21 AM
тАО11-14-2005 07:21 AM
Re: ulimit for memory
Thanks for the response. The current memory(kbytes) is set to 4098520. Is there nay way I can increase little bit and if so how can I increase?
Thanks
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тАО11-14-2005 07:41 AM
тАО11-14-2005 07:41 AM
Re: ulimit for memory
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тАО11-14-2005 09:25 AM
тАО11-14-2005 09:25 AM
Re: ulimit for memory
When I did vmstat -P, I got:
Total Physical Memory = 4096.00 M
= 524288 Pages
And # ulimit -a resulted for memory as:
memory(kbytes) 4098520
So do you think I can't increase anything?
Thanks and waiting for the response.
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тАО11-14-2005 11:03 AM
тАО11-14-2005 11:03 AM
Re: ulimit for memory
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тАО11-14-2005 01:39 PM
тАО11-14-2005 01:39 PM
Re: ulimit for memory
Pratibha,
Why?
Why do you think you need to increase the -m value.
Error you getting errors? What error, which application, what is is trying to to (shmget?)
Typically application fail on VIRTUAL memory config problems like shmmax controlled or sysconfig parameter proc:max_per_proc_address_space and proc:max_per_proc_data_size
Study the full output of : ulimit -a
and: sysconfig -q proc
and: sysconfig -q ipc
Report details here if problems persist, but do report also why you believe there to be a problem.
Oh... and be sure to 'google' around for queries like:
+tru64 +ulimit +"physical memory"
If you like answers from this forum, then add
+site:itrc.hp.com
This gives for example:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=863492
Hope this helps,
Hein.
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тАО11-15-2005 02:17 AM
тАО11-15-2005 02:17 AM
Re: ulimit for memory
I have run into this when trying to debug large crash dump files. I assume there are other situations where it would be a problem.
In /etc/sysconfigtab, you should be able to bump "proc:max_per_proc_address_space" to something really big, like:
proc:
max_per_proc_address_space = 0x40000000000
max_per_proc_data_size = 0x40000000000
(you'll have to reboot)
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тАО11-15-2005 02:51 AM
тАО11-15-2005 02:51 AM
Re: ulimit for memory
Thanks for all your responses. Problem has been fixed once I set the data resource limit. Meanwhile, I have learned about ulimit for memory.
I just did:
# ulimit -d 262144
Thanks to all very much