Re: Question on bdflush

From: Peter Samuelson (peter@cadcamlab.org)
Date: Wed Nov 15 2000 - 03:52:13 EST


[Zhiruo Cao]
> Why does bdflush (kupdated and kflushed) writes to disk periodically
> even though the system is apparently idle. I think if no more new
> buffers becomes dirty, kflushed show not write anything to disk.

kill -STOP {your cron process}
mount all ext2 filesystems with '-o noatime' or at least '-o nodiratime'

Lots of other small things can be done to reduce disk access. I think
you can even 'kill -STOP {kflushd}' (but don't forget to reenable it at
some point).

Peter
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Wed Nov 15 2000 - 21:00:27 EST