fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [20.0% done] [ 12800/105684 kb/s] [eta 00m:12s] Threads: 3: [FFm] [44.4% done] [ 2748/ 95700 kb/s] [eta 00m:05s] Threads: 3: [FFF] [100.0% done] [ 204/ 35932 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: [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] [70.0% done] [ 5708/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [71.4% done] [ 37180/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [80.0% done] [ 41488/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [89.5% done] [ 42212/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 42516/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 40655/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [100.0% done] [ 40208/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=1366 read : io=100MiB, bw=5,355KiB/s, runt= 19578msec clat (msec): min= 0, max= 233, avg= 4.41, stdev=21.10 bw (KiB/s) : min= 8, max=31735, per=70.79%, avg=10702.69, stdev=7841.24 write: io=87,928KiB, bw=6,453KiB/s, runt= 13952msec clat (msec): min= 0, max= 76, avg= 0.23, stdev= 2.58 bw (KiB/s) : min= 0, max=120143, per=211.54%, avg=41797.67, stdev=67899.81 cpu : usr=6.21%, sys=1.25%, ctx=979 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=84.1%, 4=4.5%, 10=7.5%, 20=1.8%, 50=1.2%, 100=0.4% lat (msec): 250=0.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1367 read : io=100MiB, bw=5,039KiB/s, runt= 20807msec clat (msec): min= 0, max= 341, avg= 4.79, stdev=24.41 bw (KiB/s) : min= 8, max=30965, per=66.16%, avg=10001.83, stdev=8769.15 write: io=92,608KiB, bw=6,798KiB/s, runt= 13948msec clat (msec): min= 0, max= 50, avg= 0.21, stdev= 2.14 bw (KiB/s) : min= 0, max=54156, per=104.84%, avg=20716.00, stdev=29234.28 cpu : usr=5.86%, sys=1.63%, ctx=915 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=86.2%, 4=4.2%, 10=5.9%, 20=1.2%, 50=1.4%, 100=0.2% lat (msec): 250=0.7%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1368 read : io=100MiB, bw=5,120KiB/s, runt= 20477msec clat (msec): min= 0, max= 243, avg= 5.56, stdev=23.42 bw (KiB/s) : min= 4, max=17109, per=56.56%, avg=8551.05, stdev=6410.41 write: io=88,692KiB, bw=6,511KiB/s, runt= 13947msec clat (msec): min= 0, max= 7, avg= 0.00, stdev= 0.18 bw (KiB/s) : min= 0, max=25739, per=65.13%, avg=12869.50, stdev=18200.22 cpu : usr=5.72%, sys=1.48%, ctx=944 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=85.4%, 4=4.4%, 10=5.9%, 20=1.2%, 50=1.4%, 100=0.6% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=15,118KiB/s, minb=5,039KiB/s, maxb=5,355KiB/s, mint=19578msec, maxt=20807msec WRITE: io=263MiB, aggrb=19,759KiB/s, minb=6,453KiB/s, maxb=6,798KiB/s, mint=19578msec, maxt=20807msec Disk stats (read/write): sda: ios=3191/2344, merge=1056/64929, ticks=32704/1475848, in_queue=1508836, util=98.61% 3.61user 0.97system 0:21.10elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1053minor)pagefaults 0swaps