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 > > - > : send the line "unsubscribe linux-admin" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html - : send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html