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: [mmF] [20.0% done] [ 2308/ 74272 kb/s] [eta 00m:12s] Threads: 3: [mmF] [20.0% done] [ 2368/ 39000 kb/s] [eta 00m:16s] Threads: 3: [mFF] [41.7% done] [ 823/ 37554 kb/s] [eta 00m:07s] Threads: 3: [mFF] [60.0% done] [ 532/ 28623 kb/s] [eta 00m:04s] Threads: 3: [mFF] [63.6% done] [ 1420/ 0 kb/s] [eta 00m:04s] Threads: 3: [mFF] [66.7% done] [ 4168/ 0 kb/s] [eta 00m:04s] Threads: 3: [mFF] [69.2% done] [ 4540/ 0 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 904/ 856 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] [66.7% done] [ 7128/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [67.9% done] [ 19760/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [74.1% done] [ 26832/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.8% done] [ 33528/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [88.0% done] [ 26608/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [95.8% done] [ 32000/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 33366/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 34888/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [100.0% done] [ 28824/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5111 read : io=100MiB, bw=4,027KiB/s, runt= 26034msec clat (msec): min= 0, max= 303, avg= 8.90, stdev=31.56 bw (KiB/s) : min= 28, max=17778, per=47.57%, avg=5452.94, stdev=4769.01 write: io=83,224KiB, bw=4,796KiB/s, runt= 17767msec clat (msec): min= 0, max= 24, avg= 0.23, stdev= 2.02 bw (KiB/s) : min= 0, max=12980, per=40.21%, avg=6282.33, stdev=6499.96 cpu : usr=4.23%, sys=1.20%, ctx=1444 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=75.4%, 4=7.1%, 10=11.0%, 20=1.9%, 50=1.2%, 100=1.9% lat (msec): 250=1.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5112 read : io=100MiB, bw=3,821KiB/s, runt= 27440msec clat (msec): min= 0, max= 302, avg= 6.97, stdev=30.83 bw (KiB/s) : min= 16, max=21340, per=66.38%, avg=7609.41, stdev=5422.74 write: io=94,700KiB, bw=5,455KiB/s, runt= 17776msec clat (msec): min= 0, max= 25, avg= 0.06, stdev= 1.03 bw (KiB/s) : min= 0, max=24108, per=77.15%, avg=12054.00, stdev=17046.93 cpu : usr=4.21%, sys=1.17%, ctx=1010 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=85.2%, 4=4.4%, 10=6.8%, 20=0.7%, 50=0.8%, 100=0.9% lat (msec): 250=0.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5113 read : io=100MiB, bw=3,823KiB/s, runt= 27425msec clat (msec): min= 0, max= 358, avg= 6.34, stdev=30.80 bw (KiB/s) : min= 15, max=21506, per=74.28%, avg=8515.75, stdev=6065.95 write: io=97,156KiB, bw=5,518KiB/s, runt= 18027msec clat (msec): min= 0, max= 31, avg= 0.09, stdev= 1.34 bw (KiB/s) : min= 0, max=85442, per=183.14%, avg=28616.00, stdev=49213.18 cpu : usr=4.38%, sys=1.02%, ctx=1023 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=4.9%, 10=6.4%, 20=0.9%, 50=0.9%, 100=0.3% lat (msec): 250=0.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,464KiB/s, minb=3,821KiB/s, maxb=4,027KiB/s, mint=26034msec, maxt=27440msec WRITE: io=269MiB, aggrb=15,625KiB/s, minb=4,796KiB/s, maxb=5,518KiB/s, mint=26034msec, maxt=27440msec Disk stats (read/write): sda: ios=3831/2125, merge=1159/66704, ticks=107248/2168024, in_queue=2282396, util=99.20% 3.45user 1.01system 0:27.85elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (1major+1079minor)pagefaults 0swaps