fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mFF] [9.1% done] [ 6052/ 35944 kb/s] [eta 00m:30s] Threads: 3: [mFF] [11.1% done] [ 1160/ 1848 kb/s] [eta 00m:32s] Threads: 3: [mFF] [12.5% done] [ 2158/ 0 kb/s] [eta 00m:35s] Threads: 3: [mFF] [13.6% done] [ 1628/ 0 kb/s] [eta 00m:38s] Threads: 3: [mFF] [14.9% done] [ 2036/ 0 kb/s] [eta 00m:40s] Threads: 3: [mFF] [22.2% done] [ 1312/ 9392 kb/s] [eta 00m:28s] Threads: 3: [FFF] [100.0% done] [ 0/ 69087 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [68.2% done] [ 3040/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [69.6% done] [ 23520/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [73.9% done] [ 28276/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [81.8% done] [ 27028/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [86.4% done] [ 26684/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [95.2% done] [ 33048/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 33616/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30612/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33648/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 29632/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=10238 read : io=100MiB, bw=4,260KiB/s, runt= 24590msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 894, avg=82.55, stdev=147.92 bw (KiB/s) : min= 0, max=16757, per=44.71%, avg=5692.06, stdev=4311.06 write: io=80,260KiB, bw=5,492KiB/s, runt= 14964msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 495, avg= 2.50, stdev=27.93 bw (KiB/s) : min= 0, max=139042, per=251.59%, avg=46493.33, stdev=80149.80 cpu : usr=2.47%, sys=1.45%, ctx=5482 IO depths : 1=1.3%, 2=52.8%, 4=30.0%, 8=15.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.8%, 4=0.2%, 10=19.4%, 20=12.2%, 50=5.4%, 100=1.3% lat (msec): 250=8.7%, 500=2.5%, 750=1.8%, 1000=0.4%, >=2000=0.0% fio: (groupid=0): err= 0: pid=10239 read : io=100MiB, bw=4,317KiB/s, runt= 24266msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 822, avg=54.13, stdev=94.34 bw (KiB/s) : min= 9, max=19369, per=63.43%, avg=8075.48, stdev=5920.10 write: io=93,824KiB, bw=6,411KiB/s, runt= 14984msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 103, avg= 0.61, stdev= 5.24 bw (KiB/s) : min= 0, max=22710, per=61.44%, avg=11355.00, stdev=16058.40 cpu : usr=3.21%, sys=1.40%, ctx=5394 IO depths : 1=1.2%, 2=52.2%, 4=31.2%, 8=15.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=46.9%, 4=0.9%, 10=15.4%, 20=16.7%, 50=7.3%, 100=3.1% lat (msec): 250=7.7%, 500=1.2%, 750=0.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=10240 read : io=100MiB, bw=4,246KiB/s, runt= 24693msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 535, avg=51.17, stdev=89.08 bw (KiB/s) : min= 9, max=18618, per=66.26%, avg=8436.40, stdev=5313.05 write: io=96,340KiB, bw=6,594KiB/s, runt= 14960msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 159, avg= 0.74, stdev= 7.34 bw (KiB/s) : min= 0, max=46764, per=126.53%, avg=23382.00, stdev=33067.14 cpu : usr=3.08%, sys=1.65%, ctx=5413 IO depths : 1=1.1%, 2=54.9%, 4=31.3%, 8=12.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.9%, 4=0.0%, 10=17.3%, 20=17.0%, 50=5.0%, 100=1.1% lat (msec): 250=7.2%, 500=2.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,732KiB/s, minb=4,246KiB/s, maxb=4,317KiB/s, mint=24266msec, maxt=24693msec WRITE: io=264MiB, aggrb=18,480KiB/s, minb=5,492KiB/s, maxb=6,594KiB/s, mint=24266msec, maxt=24693msec Disk stats (read/write): sda: ios=3583/1875, merge=1337/65688, ticks=88428/1837408, in_queue=1925844, util=99.13% 2.20user 1.15system 0:25.00elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2467minor)pagefaults 0swaps