Messages in this thread | | | From | Keith Rohrer <> | Subject | Re: wierd behaviour... | Date | Wed, 26 Feb 1997 03:36:50 -0600 (CST) |
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> Hi Jerome > > > On 25 Feb 97 at 18:27, Jerome Etienne wrote: > > > > re read my first reply. and try to explain why "/bin/echo > > > > bla"(or other tools) doesn't read anything from hd. and why > > > > "main(){fork();}" does. > > > Maybe because you are not allowed to change the access time for > > > /bin/echo? Regardless, it's clear that something is suboptimal: using tcsh's while to repeatedly run "main(){fork();}" makes the drive flash a lot, but running "main() {}" instead makes the light flash so fast it looks solid except not so bright. This is wrong.
Either the buffer cache is not coalescing duplicate writes of the same cluster, or something is forcing an early flush when it shouldn't.
Keith
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