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] [11.1% done] [ 19104/ 1824 kb/s] [eta 00m:24s] Threads: 3: [mmm] [15.4% done] [ 12312/ 8576 kb/s] [eta 00m:22s] Threads: 3: [mmm] [20.0% done] [ 14192/ 3816 kb/s] [eta 00m:20s] Threads: 3: [mmm] [24.0% done] [ 15216/ 976 kb/s] [eta 00m:19s] Threads: 3: [mmm] [26.9% done] [ 12928/ 2228 kb/s] [eta 00m:19s] Threads: 3: [mmm] [28.6% done] [ 16016/ 644 kb/s] [eta 00m:20s] Threads: 3: [mmm] [32.1% done] [ 6012/ 9096 kb/s] [eta 00m:19s] Threads: 3: [mmm] [35.7% done] [ 11012/ 4640 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 8788/ 5896 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 12004/ 2780 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 13596/ 0 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 11628/ 1488 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 10344/ 1932 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 7292/ 5036 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 3136/ 7632 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 5364/ 4756 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 7068/ 3340 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 7712/ 208 kb/s] [eta 00m:12s] Threads: 3: [mmm] [67.7% done] [ 4352/ 3948 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.0% done] [ 16156/ 28 kb/s] [eta 00m:09s] Threads: 3: [VVV] [74.2% done] [ 17140/ 0 kb/s] [eta 00m:08s] Threads: 2: [V_V] [80.0% done] [ 18664/ 0 kb/s] [eta 00m:06s] Threads: 1: [__V] [89.3% done] [ 18332/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=19397 read : io=100MiB, bw=4,148KiB/s, runt= 25279msec slat (msec): min= 0, max= 3773, avg=563.10, stdev=1074.43 clat (msec): min= 0, max= 832, avg=97.35, stdev=97.20 bw (KiB/s) : min= 95, max=14182, per=34.26%, avg=4142.75, stdev=2863.75 write: io=23,868KiB, bw=1,136KiB/s, runt= 21506msec slat (msec): min= 0, max= 10, avg= 0.12, stdev= 0.82 clat (msec): min= 0, max= 906, avg=99.74, stdev=143.62 bw (KiB/s) : min= 0, max= 6189, per=64.21%, avg=2432.73, stdev=2250.51 cpu : usr=3.40%, sys=0.28%, ctx=1702 IO depths : 1=0.1%, 2=0.4%, 4=11.8%, 8=87.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.9%, 10=4.4%, 20=13.8%, 50=20.9%, 100=22.8% lat (msec): 250=29.5%, 500=5.6%, 750=0.5%, 1000=0.6%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19398 read : io=100MiB, bw=4,442KiB/s, runt= 23601msec slat (msec): min= 0, max= 3508, avg=338.04, stdev=874.18 clat (msec): min= 2, max= 814, avg=87.98, stdev=69.93 bw (KiB/s) : min= 46, max=12598, per=40.31%, avg=4874.42, stdev=2874.37 write: io=13,948KiB, bw=713KiB/s, runt= 20008msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.24 clat (msec): min= 3, max= 923, avg=157.06, stdev=170.79 bw (KiB/s) : min= 0, max= 4087, per=44.38%, avg=1681.54, stdev=1489.02 cpu : usr=3.49%, sys=0.27%, ctx=1638 IO depths : 1=0.2%, 2=0.2%, 4=6.8%, 8=92.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.0%, 4=0.1%, 10=1.8%, 20=8.6%, 50=23.3%, 100=29.9% lat (msec): 250=31.0%, 500=4.1%, 750=0.7%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19399 read : io=100MiB, bw=4,030KiB/s, runt= 26014msec slat (msec): min= 0, max= 5412, avg=1755.83, stdev=2072.39 clat (msec): min= 0, max= 516, avg=75.99, stdev=71.06 bw (KiB/s) : min= 37, max=20618, per=38.94%, avg=4708.53, stdev=4117.02 write: io=41,764KiB, bw=2,061KiB/s, runt= 20744msec slat (msec): min= 0, max= 5, avg= 0.08, stdev= 0.43 clat (msec): min= 0, max= 1006, avg=101.71, stdev=120.49 bw (KiB/s) : min= 0, max= 8884, per=64.84%, avg=2456.77, stdev=2052.29 cpu : usr=3.98%, sys=0.26%, ctx=1816 IO depths : 1=0.1%, 2=0.3%, 4=15.1%, 8=84.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.1%, 4=0.9%, 10=6.2%, 20=13.6%, 50=20.3%, 100=26.7% lat (msec): 250=25.6%, 500=3.8%, 750=0.5%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,092KiB/s, minb=4,030KiB/s, maxb=4,442KiB/s, mint=23601msec, maxt=26014msec WRITE: io=79,580KiB, aggrb=3,789KiB/s, minb=713KiB/s, maxb=2,061KiB/s, mint=23601msec, maxt=26014msec Disk stats (read/write): sda: ios=4960/1470, merge=1283/349, ticks=443764/675716, in_queue=1119484, util=99.28% 2.76user 0.31system 0:26.33elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2382minor)pagefaults 0swaps