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тАО05-20-2009 11:57 AM
тАО05-20-2009 11:57 AM
I've a request by Peoplesoft guys working on our servers to increase the data ulimit to higher that 2Gb which is set right now...
# ulimit -a
time(seconds) unlimited
file(blocks) unlimited
data(kbytes) 2097152 <---
stack(kbytes) 131072
memory(kbytes) unlimited
coredump(blocks) 4194303
nofiles(descriptors) 16384
I'm running on Hp-UX 11.11 on a PA-RISC system... I know that's all about maxdsiz and maxsiz_64bit, they are currently set to 2Gb and 4Gb respectively
# kmtune | grep maxd
maxdsiz 0x80000000 - 0X80000000
maxdsiz_64bit 0x100000000 - 0X100000000
How can I increase the maxdsiz to 4Gb? if it is possible...
Regards
Jonathan
Solved! Go to Solution.
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тАО05-20-2009 12:21 PM
тАО05-20-2009 12:21 PM
Re: increase ulimit (data) value
Go ahead and use ulimit to raise the data size to unlimited.
kmtune can be used to increase maxdsiz and maxdsiz_64 or use sam kernel.
kmtune -l will tell you whether these parameters are dynamic or a recompile of the kernel and boot is necessary.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО05-20-2009 03:10 PM
тАО05-20-2009 03:10 PM
Re: increase ulimit (data) value
Bill Hassell, sysadmin
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тАО05-20-2009 06:11 PM
тАО05-20-2009 06:11 PM
Re: increase ulimit (data) value
As you see that the maxdsiz is 2 Gb and the size of data (ulimit) is also 2 Gb so i believe you need to increase maxdsiz first.
You can have a look on following links, might help you.
http://docs.hp.com/en/1219/tuningwp.html
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1329920
Regds,
R.K.
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тАО05-20-2009 07:06 PM
тАО05-20-2009 07:06 PM
Re: increase ulimit (data) value
Check below link for ulimit and kmtune
as follows,
http://docs.hp.com/en/B9106-90008/kmtune.1M.html
http://docs.hp.com/en/B2355-90693/ulimit.2.html
Rgds//
Taifur
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тАО05-20-2009 11:05 PM
тАО05-20-2009 11:05 PM
Re: increase ulimit (data) value
You can increase maxdsiz to 4 Gb with kmtune or SAM. This assumes that Peoplesoft has already done the hard work (that Bill mentions) to be able to use this extra space.
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тАО05-21-2009 06:09 AM
тАО05-21-2009 06:09 AM
Re: increase ulimit (data) value
I've another question... you all said that I can increase maxdsiz to 4Gb, but it I look in to SAM -> Kernel -> Config.. the Help on maxdsiz says that the maximum value for maxdsiz is 2GB:
Acceptable Values:
maxdsiz for 32-bit processes:
Minimum: 0x40000
Maximum: 0xfffff000 (64-bit kernel), 0x7b03a000 (32-bit kernel)
Default: 0x10000000
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тАО05-21-2009 08:21 AM
тАО05-21-2009 08:21 AM
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тАО05-21-2009 09:26 AM
тАО05-21-2009 09:26 AM
Re: increase ulimit (data) value
Thanks everyone.. I'll be changing the value...
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тАО05-21-2009 09:30 AM
тАО05-21-2009 09:30 AM