Hi, On Thu, 2003-01-02 at 01:00, Thomas Reinke wrote: > 2. After about 10-15 seconds, "bo" activity drops to ZERO, and > context switching ramps up to about 1,000,000 per second. > After a while, the context switches drop back down, and we're > back to seeing heavy "bo" activity. That's definitely "wrong". I'm wondering if there's an O(1) scheduler interaction at play here, as postfix's synchronous IO patterns trigger yielding behaviour which changed significantly in O(1). Could you possibly either capture a kernel profile of this situation, or use alt-sysrq-r to capture a few samples of what the CPU is up to when the problem occurs? Thanks, Stephen _______________________________________________ Ext3-users@redhat.com https://listman.redhat.com/mailman/listinfo/ext3-users
