Hi, On Fri, Jun 21, 2002 at 05:29:31PM +0200, chacron1 wrote: > Then, a new session found very different results: 8 MB/s throughput > and iostat showed near 0 block read / s and 17000 block write /s !! > > How is it possible that ext3 needs sometime to read as many data as it > writes and sometime it doesn't need to read anything ? Cache effects? It would depend on whether you had enough free cache memory to completely cache the results from the previous run. --Stephen
