Sorry not my day, i have forgotten to tell you that not only the system load get higher, also the transferrate run under 500kBytes/s from one to another moment. The first files get copied with 3-9 MBytes/s.
Thank you. Michael 2005/5/10, Michael Schuh <[EMAIL PROTECTED]>: > Hello, > > i have the following Problemdescription. > I work on an AMD 2000+ with 2*160GB-Disks > The Diskperformance tested with bonnie or great filewrites/reads with dd > from /dev/zero or /dev/urandom gaves me an Value from 40-55 MBytes/s. > > Now i have 2 Directories with ~500.000-600.000 files with an size of ~5kByte. > by copying the files from one disk to another or an direktory on the same disk > (equal behavior), i can see this behavior: > > on an PIII 866 the first ~100.000 - 150.000 files > on an AMDK6II450 the first ~100.000 - 120.000 files > on the AMD2000+ the first ~200.000 - 220.000 files > are copied with an relative good performance. > > After this count of files are copied, the system-load get higher, > cppustate ist 0,0% idle and the system uses ~80-90%cpu-load, > rest goin to intr and user.... > > As base i use RELENG_4. > > Can anyone explain me from where this behavior can come? > Come thie eventually from the filesytem, or from my disks, so that > these are to hot? (I think not) > > I have tried out following commands to copy: > tar -cf - . | ( cd <destdir>; tar -xf .) #the fastest and my lovely :-) > find ./ -type f |cpio -pm <destdir> # half-performace as tar > rsync -av <sourcedir>/ <destdir>/ # smarter then tar but bad performace > > mv or any other are not testet while i surely run in to the "too many > Arguments" Problem.... > > thank you for your suggestions > > regards > > michael > _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
