Re: LinuxQuestions.org - Community Bulletin

[Al Boldi <a1426z@gawab.com>]

chuck gelm wrote:
> tom arnall wrote:
> >i am experiencing memory problems trying to run an application that
> > processes a file of about .5GB. So far my results are:
> >
> >(1) set ulimit as follows:
> >
> >	core file size        (blocks, -c) 0
> >	data seg size         (kbytes, -d) unlimited
> >	file size             (blocks, -f) unlimited
> >	max locked memory     (kbytes, -l) 256000
> >	max memory size       (kbytes, -m) 256000
> >	open files                    (-n) 1024
> >	pipe size          (512 bytes, -p) 8
> >	stack size            (kbytes, -s) 8192
> >	cpu time             (seconds, -t) unlimited
> >	max user processes            (-u) unlimited
> >	virtual memory        (kbytes, -v) 768000
> >
> >This gives me 'out of memory' errors.
> >
> >(2) set 'virtual memory' very high and the application hogs memory and
> > brings the rest of the system to almost a halt.
> >
> >Thanks in advance for any help you can give me,
> >
> >Tom Arnall
> >north spit, ca
>
> Hi, Tom:
>
>  I don't know anything about 'ulimit', but how much real memory do you
> have? I'd try adding another 2 Gigabytes of virtual memory.
> Also, try
>
>  nice -n 19 <application>
>
> so that it does not 'hog' the system so much.
>
> Run 'top' to watch how much memory your application uses.
>
> HTH, Chuck
>
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