Anton,
if you are doing SMP-intensive dbench runs, then check out the SMP
pagecache-scalability patch (against 2.4.2-ac20):
http://people.redhat.com/~mingo/smp-pagecache-patches/pagecache-2.4.2-H1
this patch splits up the main scalability offender in non-RAM-limited
dbench runs, which is pagecache_lock. The patch was designed and written
by David Miller, and is being forward ported / maintained by me. (The new
pagecache lock design is similar to TCP's hashed spinlocks, which proved
to scale excellently.)
(about lstat(): IMO lstat() should not call into the lowlevel FS code.)
Ingo
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This archive was generated by hypermail 2b29 : Fri Mar 23 2001 - 21:00:15 EST