Patched client machine *only* - re-running fio from there works fine
with (default - i.e no [client' section at all) cache settings:
$ fio read-test.fio
rbd_thread: (g=0): rw=read, bs=4M-4M/4M-4M/4M-4M, ioengine=rbd, iodepth=32
fio-2.1.13-88-gb2ee7
Starting 1 process
rbd engine: RBD version: 0.1.8
Jobs: 1 (f=1): [R(1)] [75.0% done] [1165MB/0KB/0KB /s] [291/0/0 iops]
[eta 00m:0Jobs: 1 (f=1): [R(1)] [83.3% done] [447.4MB/0KB/0KB /s]
[111/0/0 iops] [eta 00m:Jobs: 1 (f=1): [R(1)] [100.0% done]
[268.0MB/0KB/0KB /s] [67/0/0 iops] [eta 00m:Jobs: 1 (f=1): [R(1)]
[100.0% done] [336.1MB/0KB/0KB /s] [84/0/0 iops] [eta 00m:00s]
rbd_thread: (groupid=0, jobs=1): err= 0: pid=5980: Sat Oct 25 15:32:16 2014
read : io=4096.0MB, bw=623410KB/s, iops=152, runt= 6728msec
slat (usec): min=7, max=230691, avg=5664.46, stdev=14434.46
clat (msec): min=11, max=1589, avg=193.03, stdev=246.84
lat (msec): min=13, max=1606, avg=198.70, stdev=248.62
clat percentiles (msec):
| 1.00th=[ 17], 5.00th=[ 30], 10.00th=[ 43], 20.00th=[ 60],
| 30.00th=[ 78], 40.00th=[ 93], 50.00th=[ 109], 60.00th=[ 124],
| 70.00th=[ 147], 80.00th=[ 210], 90.00th=[ 498], 95.00th=[ 758],
| 99.00th=[ 1237], 99.50th=[ 1467], 99.90th=[ 1565], 99.95th=[ 1598],
| 99.99th=[ 1598]
bw (KB /s): min=178086, max=1193644, per=100.00%, avg=637349.58,
stdev=397329.85
lat (msec) : 20=2.15%, 50=12.11%, 100=30.08%, 250=38.09%, 500=7.62%
lat (msec) : 750=4.79%, 1000=2.64%, 2000=2.54%
cpu : usr=1.69%, sys=0.28%, ctx=6234, majf=0, minf=78
IO depths : 1=0.1%, 2=0.2%, 4=0.4%, 8=1.7%, 16=58.6%, 32=39.1%,
>=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%,
>=64=0.0%
complete : 0=0.0%, 4=94.3%, 8=5.0%, 16=0.4%, 32=0.3%, 64=0.0%,
>=64=0.0%
issued : total=r=1024/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
READ: io=4096.0MB, aggrb=623410KB/s, minb=623410KB/s,
maxb=623410KB/s, mint=6728msec, maxt=6728msec
On 25/10/14 13:37, Mark Kirkwood wrote:
Righty, building now.
On 25/10/14 13:12, Mark Nelson wrote:
Hi Mark,
Try the latest giant branch. I believe we've fixed this with 7272bb8.
My test cluster is passing read tests now.
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