Jan Hlavat� wrote:
>Suresh Thalamati wrote: > > >>It would be great if some one can run this test on other platforms and >>post the results to the list. >> >> > >I have added display of percentual difference to make it easier to look at. >Results vary a lot, so dont take it for absolute. > >Heres what I got on my Linux (FC3, Celeron 800, 512MB, 2 IDE DISK RAID1 ext3 >fs) > > > Thanks Jan. The numbers you got seems to show real performance gain with aligned writes. Test run by Dan & Sunitha & myself does not seem to show similar gain. I wonder if this is anything to do with your disk being RAID ? --what JVM are you running the test on ? --is Write cache enabled/disabled for the disk ? --what is the cache size on the disk ? Thanks -suresht
