fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [9.4% done] [ 9540/ 9316 kb/s] [eta 00m:29s] Threads: 3: [mmm] [12.1% done] [ 11984/ 6232 kb/s] [eta 00m:29s] Threads: 3: [mmm] [17.2% done] [ 13500/ 5444 kb/s] [eta 00m:24s] Threads: 3: [mmm] [22.2% done] [ 12864/ 3120 kb/s] [eta 00m:21s] Threads: 3: [mmm] [25.9% done] [ 13176/ 3832 kb/s] [eta 00m:20s] Threads: 3: [mmm] [29.6% done] [ 10504/ 4304 kb/s] [eta 00m:19s] Threads: 3: [mmm] [32.1% done] [ 2656/ 12548 kb/s] [eta 00m:19s] Threads: 3: [mmm] [35.7% done] [ 3928/ 10848 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.9% done] [ 6556/ 7312 kb/s] [eta 00m:18s] Threads: 3: [mmm] [40.0% done] [ 7708/ 6792 kb/s] [eta 00m:18s] Threads: 3: [mmm] [43.3% done] [ 5548/ 8172 kb/s] [eta 00m:17s] Threads: 3: [mmm] [46.7% done] [ 8650/ 3334 kb/s] [eta 00m:16s] Threads: 3: [mmm] [50.0% done] [ 9070/ 2717 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 12299/ 496 kb/s] [eta 00m:14s] Threads: 3: [mmm] [54.8% done] [ 6561/ 4281 kb/s] [eta 00m:14s] Threads: 3: [mmm] [58.1% done] [ 7577/ 3166 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 6376/ 4308 kb/s] [eta 00m:13s] Threads: 3: [mmm] [62.5% done] [ 3276/ 5801 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 8550/ 649 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 10600/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 18975/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 19696/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [80.6% done] [ 19471/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 19109/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [90.0% done] [ 19609/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=32544 read : io=100MiB, bw=3,681KiB/s, runt= 28486msec slat (msec): min= 0, max= 6359, avg=1308.87, stdev=2051.07 clat (msec): min= 2, max= 926, avg=88.56, stdev=92.32 bw (KiB/s) : min= 24, max= 7333, per=34.03%, avg=3758.20, stdev=2335.82 write: io=39,696KiB, bw=1,838KiB/s, runt= 22111msec slat (msec): min= 0, max= 2, avg= 0.08, stdev= 0.31 clat (msec): min= 0, max= 991, avg=126.62, stdev=149.87 bw (KiB/s) : min= 0, max= 7681, per=46.26%, avg=2511.19, stdev=2087.59 cpu : usr=2.82%, sys=0.21%, ctx=1843 IO depths : 1=0.1%, 2=0.2%, 4=14.0%, 8=85.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.6%, 10=4.8%, 20=13.1%, 50=24.8%, 100=21.8% lat (msec): 250=25.5%, 500=7.8%, 750=0.5%, 1000=0.6%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32545 read : io=100MiB, bw=3,760KiB/s, runt= 27887msec slat (msec): min= 0, max= 8406, avg=2184.00, stdev=2911.93 clat (msec): min= 2, max= 546, avg=95.02, stdev=81.08 bw (KiB/s) : min= 12, max=10051, per=38.87%, avg=4292.09, stdev=2867.86 write: io=39,344KiB, bw=2,050KiB/s, runt= 19644msec slat (msec): min= 0, max= 6, avg= 0.12, stdev= 0.52 clat (msec): min= 0, max= 888, avg=87.17, stdev=98.03 bw (KiB/s) : min= 0, max=10423, per=53.49%, avg=2904.05, stdev=2797.19 cpu : usr=3.31%, sys=0.33%, ctx=1691 IO depths : 1=0.1%, 2=0.3%, 4=16.2%, 8=83.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.7%, 4=0.7%, 10=3.7%, 20=9.9%, 50=24.5%, 100=23.5% lat (msec): 250=29.5%, 500=6.0%, 750=0.1%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32546 read : io=100MiB, bw=3,720KiB/s, runt= 28186msec slat (msec): min= 0, max= 6246, avg=1122.28, stdev=1883.11 clat (msec): min= 4, max= 703, avg=88.26, stdev=82.78 bw (KiB/s) : min= 98, max= 8895, per=36.24%, avg=4001.93, stdev=2248.99 write: io=38,192KiB, bw=1,786KiB/s, runt= 21886msec slat (msec): min= 0, max= 3, avg= 0.07, stdev= 0.30 clat (msec): min= 0, max= 1048, avg=116.06, stdev=120.20 bw (KiB/s) : min= 0, max= 7248, per=49.18%, avg=2670.15, stdev=2342.14 cpu : usr=3.58%, sys=0.21%, ctx=1944 IO depths : 1=0.1%, 2=0.2%, 4=12.5%, 8=87.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.1%, 10=2.3%, 20=11.2%, 50=25.8%, 100=24.5% lat (msec): 250=27.7%, 500=6.9%, 750=0.3%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,043KiB/s, minb=3,681KiB/s, maxb=3,760KiB/s, mint=27887msec, maxt=28486msec WRITE: io=114MiB, aggrb=5,429KiB/s, minb=1,786KiB/s, maxb=2,050KiB/s, mint=27887msec, maxt=28486msec Disk stats (read/write): sda: ios=4941/1961, merge=1698/603, ticks=471128/240312, in_queue=711480, util=99.50% 2.79user 0.26system 0:28.74elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2394minor)pagefaults 0swaps