2011/5/31 djlee064 djlee...@gmail.com:
From my (bad) memory, I've tried fsync, and the resulting was still
the same in the end, i.e., write 100gb+ and all will be the same.
Can't test it now as it is already running other tasks..
I think the small bs (4-8k) results to ~ KB/s level using
On 05/31/2011 01:50 AM, Fyodor Ustinov wrote:
Hi!
Fresh 0.28.2 cluster.
Why reading two times slower than the writing by dd, but rados show
different.
(Second question - why rados bench crash on read test?)
root@gate0:/mnt# dd if=/dev/zero of=aaa bs=1024000 count=1
1+0 records in
Hi!
Fresh 0.28.2 cluster.
Why reading two times slower than the writing by dd, but rados show
different.
(Second question - why rados bench crash on read test?)
root@gate0:/mnt# dd if=/dev/zero of=aaa bs=1024000 count=1
1+0 records in
1+0 records out
1024000 bytes (10 GB)
2011/5/31 djlee064 djlee...@gmail.com:
A bit off, but can you Fyodor, and all of devs run
dd if=/dev/null of=/cephmount/file bs=1M count=1 (10gb)
dd if=/dev/null of=/cephmount/file bs=1M count=5 (50gb)
dd if=/dev/null of=/cephmount/file bs=1M count=10 (100gb)
and continue to
