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] [9.1% done] [ 5876/ 8960 kb/s] [eta 00m:30s] Threads: 3: [mmm] [12.9% done] [ 12996/ 2412 kb/s] [eta 00m:27s] Threads: 3: [mmm] [17.9% done] [ 3663/ 14077 kb/s] [eta 00m:23s] Threads: 3: [mmm] [20.7% done] [ 6808/ 7700 kb/s] [eta 00m:23s] Threads: 3: [mmm] [23.3% done] [ 10112/ 3536 kb/s] [eta 00m:23s] Threads: 3: [mmm] [25.8% done] [ 2704/ 12500 kb/s] [eta 00m:23s] Threads: 3: [mmm] [29.0% done] [ 7736/ 3640 kb/s] [eta 00m:22s] Threads: 3: [mmm] [30.3% done] [ 5304/ 7940 kb/s] [eta 00m:23s] Threads: 3: [mmm] [32.4% done] [ 6692/ 6116 kb/s] [eta 00m:23s] Threads: 3: [mmm] [35.3% done] [ 5660/ 7428 kb/s] [eta 00m:22s] Threads: 3: [mmm] [36.1% done] [ 9204/ 2252 kb/s] [eta 00m:23s] Threads: 3: [mmm] [38.9% done] [ 7112/ 4172 kb/s] [eta 00m:22s] Threads: 3: [mmm] [40.5% done] [ 8948/ 2200 kb/s] [eta 00m:22s] Threads: 3: [mmm] [42.1% done] [ 4728/ 4920 kb/s] [eta 00m:22s] Threads: 3: [mmm] [44.7% done] [ 8460/ 1256 kb/s] [eta 00m:21s] Threads: 3: [mmm] [47.4% done] [ 4572/ 4712 kb/s] [eta 00m:20s] Threads: 3: [mmm] [47.5% done] [ 2764/ 5228 kb/s] [eta 00m:21s] Threads: 3: [mmm] [48.8% done] [ 3396/ 5872 kb/s] [eta 00m:21s] Threads: 3: [mmm] [50.0% done] [ 3628/ 4888 kb/s] [eta 00m:21s] Threads: 3: [mmm] [51.2% done] [ 3936/ 3584 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.3% done] [ 4864/ 2592 kb/s] [eta 00m:21s] Threads: 3: [mVm] [55.8% done] [ 7772/ 4352 kb/s] [eta 00m:19s] Threads: 3: [mVm] [55.6% done] [ 12020/ 1372 kb/s] [eta 00m:20s] Threads: 3: [mVV] [56.5% done] [ 14572/ 608 kb/s] [eta 00m:20s] Threads: 3: [mVV] [56.2% done] [ 14748/ 256 kb/s] [eta 00m:21s] Threads: 2: [m_V] [56.0% done] [ 18976/ 0 kb/s] [eta 00m:22s] Threads: 2: [m_V] [56.9% done] [ 16616/ 76 kb/s] [eta 00m:22s] Threads: 1: [m_E] [57.7% done] [ 13864/ 400 kb/s] [eta 00m:22s] Threads: 1: [m__] [63.3% done] [ 3220/ 4764 kb/s] [eta 00m:18s] Threads: 1: [V__] [68.1% done] [ 4924/ 3584 kb/s] [eta 00m:15s] Threads: 1: [V__] [81.0% done] [ 18288/ 0 kb/s] [eta 00m:08s] Threads: 1: [V__] [97.2% done] [ 23512/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=5338 read : io=100MiB, bw=2,975KiB/s, runt= 35242msec clat (msec): min= 0, max= 239, avg=12.63, stdev=25.56 bw (KiB/s) : min= 3, max=25466, per=39.97%, avg=3567.96, stdev=5880.67 write: io=51,164KiB, bw=1,599KiB/s, runt= 32746msec clat (msec): min= 0, max= 363, avg=12.86, stdev=39.64 bw (KiB/s) : min= 0, max= 9543, per=56.18%, avg=2522.00, stdev=2891.15 cpu : usr=2.68%, sys=0.36%, ctx=2618 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=47.2%, 4=7.5%, 10=18.0%, 20=10.7%, 50=10.1%, 100=3.6% lat (msec): 250=2.4%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5339 read : io=100MiB, bw=3,660KiB/s, runt= 28643msec clat (msec): min= 0, max= 142, avg=10.56, stdev=15.34 bw (KiB/s) : min= 47, max=15066, per=53.51%, avg=4776.18, stdev=4055.72 write: io=48,536KiB, bw=2,141KiB/s, runt= 23206msec clat (msec): min= 0, max= 215, avg=10.11, stdev=23.68 bw (KiB/s) : min= 0, max= 8893, per=80.64%, avg=3619.79, stdev=2896.17 cpu : usr=3.27%, sys=0.47%, ctx=2473 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=44.3%, 4=6.1%, 10=17.9%, 20=15.3%, 50=12.1%, 100=3.3% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5340 read : io=100MiB, bw=3,411KiB/s, runt= 30741msec clat (msec): min= 0, max= 218, avg=12.53, stdev=18.71 bw (KiB/s) : min= 8, max=19515, per=43.16%, avg=3852.78, stdev=4106.40 write: io=43,852KiB, bw=1,737KiB/s, runt= 25839msec clat (msec): min= 0, max= 360, avg=12.86, stdev=30.51 bw (KiB/s) : min= 0, max= 7329, per=54.45%, avg=2444.29, stdev=2147.34 cpu : usr=3.47%, sys=0.42%, ctx=2259 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=33.5%, 4=7.6%, 10=21.7%, 20=17.7%, 50=14.6%, 100=3.0% lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,926KiB/s, minb=2,975KiB/s, maxb=3,660KiB/s, mint=28643msec, maxt=35242msec WRITE: io=140MiB, aggrb=4,489KiB/s, minb=1,599KiB/s, maxb=2,141KiB/s, mint=28643msec, maxt=35242msec Disk stats (read/write): sda: ios=5534/2899, merge=993/357, ticks=79848/56376, in_queue=136220, util=98.36% 2.95user 0.48system 0:35.52elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1077minor)pagefaults 0swaps