Re: build.sh: set creation is serialized

[David Holland <dholland-tech%netbsd.org@localhost>]

On Wed, Apr 30, 2008 at 09:11:01PM +0200, Alan Barrett wrote:
 > On my system, the disk scheduler still seems to work very badly in the
 > face of multiple consecutive tasks.  (One spindle, ffs on cgd on wd.)
 > One task doing heavy disk I/O (rm -rf a large directory tree, cp -RPp a
 > large tree, unpack a tarball with many files) causes other tasks that
 > try to access the disk to experience very bad performance.  Multiple
 > simultaneous disk-intensive tasks makes the system almost unusable for
 > interactive work.

Are you using ffs without softupdates?

-- 
David A. Holland
dholland%netbsd.org@localhost