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тАО07-10-2002 05:43 PM
тАО07-10-2002 05:43 PM
The fork function failed. Too many processes already exist
When I login from user to root using the su function I got the error message "The fork function failed. Too many processes already exist".
What kernel parameter do I have to increase?
Also on the dmesg I got the message "File table is full".
Please help.
Server : hp ux-11 64 bit
Memory : 1 GigSwapinfo :
Kb Kb Kb PCT START/ Kb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 1048576 168652 879924 16% 0 - 1 /dev/vg00/lvol2
reserve - 719048 -719048
memory 747344 231984 515360 31%
What kernel parameter do I have to increase?
Also on the dmesg I got the message "File table is full".
Please help.
Server : hp ux-11 64 bit
Memory : 1 GigSwapinfo :
Kb Kb Kb PCT START/ Kb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 1048576 168652 879924 16% 0 - 1 /dev/vg00/lvol2
reserve - 719048 -719048
memory 747344 231984 515360 31%
3 REPLIES 3
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тАО07-10-2002 05:52 PM
тАО07-10-2002 05:52 PM
Re: The fork function failed. Too many processes already exist
Run SAM and change the two kernel parameters: nfile and nproc. Double or triple their current size. Your system is growing and needs larger tables.
Bill Hassell, sysadmin
Bill Hassell, sysadmin
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тАО07-10-2002 07:17 PM
тАО07-10-2002 07:17 PM
Re: The fork function failed. Too many processes already exist
For the file table is full you have to increase the
nfile kernel parameter.
For the fork function failed
you have to check the
maxuprc (maximum number of processes for a user on the system)
Also check the value of
nproc total number of processes
But this seems to be the user processes reaching its peak value.
maxuprc
check this link
http://www.docs.hp.com//hpux/onlinedocs/os/KCparams.OverviewAll.html
nfile kernel parameter.
For the fork function failed
you have to check the
maxuprc (maximum number of processes for a user on the system)
Also check the value of
nproc total number of processes
But this seems to be the user processes reaching its peak value.
maxuprc
check this link
http://www.docs.hp.com//hpux/onlinedocs/os/KCparams.OverviewAll.html
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тАО07-10-2002 07:26 PM
тАО07-10-2002 07:26 PM
Re: The fork function failed. Too many processes already exist
Hi Amran
sar -v 2 10
will give you the real time usage of nfile nproc and ninode , most likely in your case either the nproc has got saturated or maxuprc ie maximum process that a user can run ( deafault is 75 ) has got saturated , in eithr case you will have to run sam and change the kernel parameter , you may also like to see this :
http://docs.hp.com/hpux/onlinedocs/os/KCparams.OverviewAll.html
Manoj Srivastava
sar -v 2 10
will give you the real time usage of nfile nproc and ninode , most likely in your case either the nproc has got saturated or maxuprc ie maximum process that a user can run ( deafault is 75 ) has got saturated , in eithr case you will have to run sam and change the kernel parameter , you may also like to see this :
http://docs.hp.com/hpux/onlinedocs/os/KCparams.OverviewAll.html
Manoj Srivastava
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