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: [mFF] [7.5% done] [ 2812/ 25904 kb/s] [eta 00m:37s] Threads: 3: [mFF] [8.7% done] [ 1833/ 0 kb/s] [eta 00m:42s] Threads: 3: [mFF] [45.5% done] [ 484/ 52580 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 0/ 36160 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] [ 4548/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [68.2% done] [ 23366/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [76.2% done] [ 30759/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [81.0% done] [ 25229/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.0% done] [ 32173/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.0% done] [ 35828/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 39907/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 31007/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 26297/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=9983 read : io=100MiB, bw=4,467KiB/s, runt= 23470msec clat (msec): min= 0, max= 268, avg= 8.16, stdev=32.55 bw (KiB/s) : min= 0, max=17507, per=50.82%, avg=6811.65, stdev=5263.10 write: io=88,740KiB, bw=6,621KiB/s, runt= 13723msec clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=119570, per=281.24%, avg=59785.00, stdev=84548.76 cpu : usr=5.27%, sys=1.28%, ctx=900 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=84.5%, 4=4.0%, 10=6.6%, 20=1.4%, 50=1.4%, 100=0.5% lat (msec): 250=1.4%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=9984 read : io=100MiB, bw=4,495KiB/s, runt= 23323msec clat (msec): min= 0, max= 291, avg= 6.14, stdev=28.33 bw (KiB/s) : min= 16, max=23183, per=70.48%, avg=9446.33, stdev=6329.44 write: io=97,840KiB, bw=7,300KiB/s, runt= 13723msec clat (msec): min= 0, max= 47, avg= 0.08, stdev= 1.52 bw (KiB/s) : min= 0, max=84877, per=199.64%, avg=42438.50, stdev=60017.10 cpu : usr=5.20%, sys=1.37%, ctx=841 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=4.9%, 10=5.9%, 20=1.3%, 50=1.4%, 100=0.2% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=9985 read : io=100MiB, bw=4,521KiB/s, runt= 23193msec clat (msec): min= 0, max= 311, avg= 5.83, stdev=26.74 bw (KiB/s) : min= 10, max=21961, per=65.96%, avg=8840.65, stdev=5770.37 write: io=98,848KiB, bw=7,362KiB/s, runt= 13749msec clat (msec): min= 0, max= 51, avg= 0.18, stdev= 2.43 bw (KiB/s) : min= 0, max=57965, per=179.02%, avg=38056.33, stdev=32969.51 cpu : usr=4.98%, sys=1.62%, ctx=841 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=84.8%, 4=4.7%, 10=7.0%, 20=1.0%, 50=1.0%, 100=0.6% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,403KiB/s, minb=4,467KiB/s, maxb=4,521KiB/s, mint=23193msec, maxt=23470msec WRITE: io=279MiB, aggrb=21,258KiB/s, minb=6,621KiB/s, maxb=7,362KiB/s, mint=23193msec, maxt=23470msec Disk stats (read/write): sda: ios=3290/1963, merge=1337/69218, ticks=85848/1692044, in_queue=1780964, util=99.03% 3.61user 1.06system 0:23.76elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1071minor)pagefaults 0swaps