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] [10.7% done] [ 2972/ 12636 kb/s] [eta 00m:25s] Threads: 3: [mmm] [13.3% done] [ 3712/ 12264 kb/s] [eta 00m:26s] Threads: 3: [mmm] [16.1% done] [ 7460/ 7676 kb/s] [eta 00m:26s] Threads: 3: [mmm] [19.4% done] [ 8564/ 6408 kb/s] [eta 00m:25s] Threads: 3: [mmm] [20.6% done] [ 12392/ 236 kb/s] [eta 00m:27s] Threads: 3: [mmm] [21.6% done] [ 7600/ 4572 kb/s] [eta 00m:29s] Threads: 3: [mmm] [23.7% done] [ 7260/ 4908 kb/s] [eta 00m:29s] Threads: 3: [mmm] [27.0% done] [ 9820/ 2768 kb/s] [eta 00m:27s] Threads: 3: [mmm] [29.7% done] [ 7980/ 3392 kb/s] [eta 00m:26s] Threads: 3: [mmm] [30.8% done] [ 4016/ 8180 kb/s] [eta 00m:27s] Threads: 3: [mmm] [32.5% done] [ 8144/ 3664 kb/s] [eta 00m:27s] Threads: 3: [mmm] [34.1% done] [ 5684/ 5292 kb/s] [eta 00m:27s] Threads: 3: [mmm] [36.6% done] [ 5996/ 4280 kb/s] [eta 00m:26s] Threads: 3: [mmm] [40.0% done] [ 10344/ 896 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.5% done] [ 5460/ 5260 kb/s] [eta 00m:23s] Threads: 3: [mmm] [43.9% done] [ 4476/ 4176 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.3% done] [ 5084/ 4568 kb/s] [eta 00m:22s] Threads: 3: [mmm] [47.6% done] [ 7316/ 0 kb/s] [eta 00m:22s] Threads: 3: [mmm] [47.7% done] [ 7024/ 0 kb/s] [eta 00m:23s] Threads: 3: [mVm] [47.8% done] [ 14184/ 176 kb/s] [eta 00m:24s] Threads: 3: [mVm] [47.9% done] [ 16532/ 324 kb/s] [eta 00m:25s] Threads: 3: [mVm] [49.0% done] [ 13768/ 316 kb/s] [eta 00m:25s] Threads: 2: [m_m] [52.1% done] [ 4652/ 4932 kb/s] [eta 00m:23s] Threads: 2: [m_m] [55.3% done] [ 2108/ 5964 kb/s] [eta 00m:21s] Threads: 2: [m_m] [58.7% done] [ 2768/ 5356 kb/s] [eta 00m:19s] Threads: 2: [m_V] [59.6% done] [ 3796/ 2972 kb/s] [eta 00m:19s] Threads: 2: [m_V] [60.4% done] [ 11384/ 388 kb/s] [eta 00m:19s] Threads: 2: [m_V] [60.0% done] [ 13868/ 108 kb/s] [eta 00m:20s] Threads: 1: [m_E] [60.8% done] [ 14988/ 408 kb/s] [eta 00m:20s] Threads: 1: [m__] [66.7% done] [ 3624/ 4500 kb/s] [eta 00m:16s] Threads: 1: [V__] [76.7% done] [ 15772/ 0 kb/s] [eta 00m:10s] Threads: 1: [V__] [92.1% done] [ 22332/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=3564 read : io=100MiB, bw=2,968KiB/s, runt= 35326msec clat (msec): min= 0, max= 191, avg=14.14, stdev=25.57 bw (KiB/s) : min= 3, max=23978, per=39.79%, avg=3543.19, stdev=5273.35 write: io=44,520KiB, bw=1,380KiB/s, runt= 33026msec clat (msec): min= 0, max= 468, avg=13.91, stdev=40.74 bw (KiB/s) : min= 0, max=10694, per=66.97%, avg=2593.17, stdev=3275.58 cpu : usr=2.93%, sys=0.19%, ctx=2371 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=42.8%, 4=8.6%, 10=20.1%, 20=10.7%, 50=9.8%, 100=4.4% lat (msec): 250=3.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=3565 read : io=100MiB, bw=4,237KiB/s, runt= 24747msec clat (msec): min= 0, max= 92, avg= 8.94, stdev=11.45 bw (KiB/s) : min= 52, max=19785, per=60.30%, avg=5369.54, stdev=4661.97 write: io=41,916KiB, bw=1,960KiB/s, runt= 21892msec clat (msec): min= 0, max= 177, avg=13.34, stdev=29.03 bw (KiB/s) : min= 0, max= 6532, per=92.22%, avg=3570.65, stdev=2532.78 cpu : usr=3.75%, sys=0.37%, ctx=2265 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=34.1%, 4=8.5%, 10=27.7%, 20=16.4%, 50=9.9%, 100=2.4% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=3566 read : io=100MiB, bw=3,299KiB/s, runt= 31779msec clat (msec): min= 0, max= 173, avg=13.03, stdev=20.07 bw (KiB/s) : min= 4, max=16392, per=40.39%, avg=3595.94, stdev=3841.11 write: io=38,448KiB, bw=1,373KiB/s, runt= 28668msec clat (msec): min= 0, max= 205, avg=11.03, stdev=28.38 bw (KiB/s) : min= 0, max= 9018, per=73.37%, avg=2840.96, stdev=3028.84 cpu : usr=3.00%, sys=0.25%, ctx=2396 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=36.1%, 4=8.1%, 10=21.6%, 20=16.8%, 50=12.2%, 100=2.9% lat (msec): 250=2.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,904KiB/s, minb=2,968KiB/s, maxb=4,237KiB/s, mint=24747msec, maxt=35326msec WRITE: io=122MiB, aggrb=3,872KiB/s, minb=1,373KiB/s, maxb=1,960KiB/s, mint=24747msec, maxt=35326msec Disk stats (read/write): sda: ios=5610/2553, merge=952/115, ticks=73348/31304, in_queue=104648, util=98.21% 2.92user 0.41system 0:35.80elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1075minor)pagefaults 0swaps