- raid5 performance improvement - 3 of 3
Linus, and fellow RAIDers,
This is the third in my three patch series for improving RAID5
throughput.
This one substantially lifts write thoughput by leveraging the
opportunities for write gathering provided by the first patch.
With RAID5
On Sunday June 24, [EMAIL PROTECTED] wrote:
Hi,
We used to (long ago, 2.2.x), whenever we got a write request for some
buffer,
search the buffer cache to see if additional buffers which belong to that
particular stripe are dirty, and then schedule them for writing as well, in
an
attempt
Looks like all these patches are in 2.4.6-pre5 -- so I did a benchmark on my
RAID1 -- Dual IDE.
Note that I upgraded the machine from a single PIII/550 to a Dual PIII/600
(same motherboard) between these benchmarks.
However there are still some interesting differences.
Looks like threaded read
Linus, and fellow RAIDers,
This is the third in my three patch series for improving RAID5
throughput.
This one substantially lifts write thoughput by leveraging the
opportunities for write gathering provided by the first patch.
With RAID5, it is much more efficient to write a whole
