[CentOS] too much cpu system time with kernel 2.6.9-22.0.2.EL
William (Bill) Triest
wtriest at chemistry.ohio-state.edu
Wed Mar 8 16:56:11 UTC 2006
David Mansfield wrote:
>I'm running a server recently installed with centos 4.2.
>It's running the kernel in the subject line, on an PIII 866Mhz with
>The system is running basically two processes:
>1) ssh to remote system, receiving a stream of bytes
>2) gzip the stream, write to disk file
>The system is slow, relatively (866Mhz cpu) and the network is fast
>(gigabit) so the limiting factor should be CPU.
I am not a kernel hacker, so I'm hoping you will end up with a more
informed opinion, but it seems to me the real limiting factor would be
IO. Disks are slow, and you claim you're writing to the disk. IMHO, an
800 MHz system should be able to handle ssh and gzip far easier then the IO.
More information about the CentOS