Nat Makarevitch makarevitch.org> writes:
> 'md' performs wonderfully
> random access performance remains stable and high (450
> IOPS with 48 threads, 20% writes - 10% fsync'ed), even with a fairly high
> read-ahead (16k).
Mystery solved, sorry for the noise
Ex
'md' performs wonderfully. Thanks to every contributor!
I pitted it against a 3ware 9650 and 'md' won on nearly every account (albeit on
RAID5 for sequential I/O the 3ware is a distant winner):
http://www.makarevitch.org/rant/raid/#3wmd
On RAID10 f2 a small read-ahead reduces the throughput on se