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] [8.3% done] [ 7832/ 5944 kb/s] [eta 00m:33s] Threads: 3: [mmm] [11.4% done] [ 10112/ 2920 kb/s] [eta 00m:31s] Threads: 3: [mmm] [14.3% done] [ 4508/ 8924 kb/s] [eta 00m:30s] Threads: 3: [mmm] [16.7% done] [ 5780/ 6992 kb/s] [eta 00m:30s] Threads: 3: [mmm] [20.0% done] [ 6960/ 4368 kb/s] [eta 00m:28s] Threads: 3: [mmm] [21.6% done] [ 5928/ 4720 kb/s] [eta 00m:29s] Threads: 3: [mmm] [24.3% done] [ 5468/ 6836 kb/s] [eta 00m:28s] Threads: 3: [mmm] [27.0% done] [ 4872/ 7004 kb/s] [eta 00m:27s] Threads: 3: [mmm] [28.9% done] [ 2548/ 5832 kb/s] [eta 00m:27s] Threads: 3: [mmm] [30.8% done] [ 4992/ 5228 kb/s] [eta 00m:27s] Threads: 3: [mmm] [32.5% done] [ 8168/ 2328 kb/s] [eta 00m:27s] Threads: 3: [mmm] [35.0% done] [ 5872/ 3544 kb/s] [eta 00m:26s] Threads: 3: [mmm] [37.5% done] [ 2836/ 7612 kb/s] [eta 00m:25s] Threads: 3: [mmm] [39.0% done] [ 4320/ 5748 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.5% done] [ 2176/ 7640 kb/s] [eta 00m:24s] Threads: 3: [mmm] [43.9% done] [ 6532/ 3592 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.2% done] [ 4724/ 3620 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.6% done] [ 4844/ 2552 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 4188/ 3936 kb/s] [eta 00m:22s] Threads: 3: [mmm] [51.2% done] [ 2132/ 4864 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.3% done] [ 3252/ 4792 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.3% done] [ 3580/ 2600 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.6% done] [ 3276/ 3756 kb/s] [eta 00m:20s] Threads: 3: [mmm] [57.8% done] [ 4068/ 2692 kb/s] [eta 00m:19s] Threads: 3: [mmm] [60.0% done] [ 2668/ 3392 kb/s] [eta 00m:18s] Threads: 3: [mmm] [59.6% done] [ 4480/ 1392 kb/s] [eta 00m:19s] Threads: 3: [mmm] [60.4% done] [ 3092/ 5808 kb/s] [eta 00m:19s] Threads: 3: [mVm] [60.0% done] [ 2476/ 3584 kb/s] [eta 00m:20s] Threads: 3: [mVm] [60.8% done] [ 11928/ 2244 kb/s] [eta 00m:20s] Threads: 3: [VVm] [60.4% done] [ 15280/ 548 kb/s] [eta 00m:21s] Threads: 3: [VVm] [61.8% done] [ 13800/ 1696 kb/s] [eta 00m:21s] Threads: 3: [VVm] [61.4% done] [ 17284/ 0 kb/s] [eta 00m:22s] Threads: 3: [VVm] [62.1% done] [ 21924/ 96 kb/s] [eta 00m:22s] Threads: 2: [V_m] [62.7% done] [ 17068/ 1012 kb/s] [eta 00m:22s] Threads: 1: [__m] [65.5% done] [ 13212/ 0 kb/s] [eta 00m:20s] Threads: 1: [__V] [72.2% done] [ 9220/ 1580 kb/s] [eta 00m:15s] Threads: 1: [__V] [85.1% done] [ 20212/ 0 kb/s] [eta 00m:07s] fio: (groupid=0): err= 0: pid=10945 read : io=100MiB, bw=2,790KiB/s, runt= 37576msec clat (msec): min= 0, max= 234, avg=12.80, stdev=21.40 bw (KiB/s) : min= 6, max=18784, per=49.36%, avg=3796.98, stdev=3983.78 write: io=50,504KiB, bw=1,598KiB/s, runt= 32345msec clat (msec): min= 0, max= 183, avg=15.97, stdev=17.93 bw (KiB/s) : min= 0, max= 5104, per=61.99%, avg=2452.36, stdev=1627.13 cpu : usr=2.57%, sys=0.31%, ctx=2555 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=32.0%, 4=6.6%, 10=14.5%, 20=17.9%, 50=26.0%, 100=1.3% lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=10946 read : io=100MiB, bw=2,889KiB/s, runt= 36288msec clat (msec): min= 0, max= 249, avg=12.47, stdev=19.96 bw (KiB/s) : min= 51, max=15333, per=51.52%, avg=3962.71, stdev=3994.54 write: io=54,296KiB, bw=1,817KiB/s, runt= 30593msec clat (msec): min= 0, max= 133, avg=16.51, stdev=17.61 bw (KiB/s) : min= 0, max= 5805, per=57.13%, avg=2259.95, stdev=1881.00 cpu : usr=2.61%, sys=0.24%, ctx=2453 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=31.8%, 4=6.1%, 10=12.6%, 20=20.8%, 50=26.0%, 100=1.3% lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=10947 read : io=100MiB, bw=2,564KiB/s, runt= 40894msec clat (msec): min= 0, max= 228, avg=14.01, stdev=23.84 bw (KiB/s) : min= 1, max=20930, per=47.02%, avg=3616.40, stdev=4966.28 write: io=43,580KiB, bw=1,162KiB/s, runt= 38399msec clat (msec): min= 0, max= 250, avg=19.97, stdev=31.79 bw (KiB/s) : min= 0, max= 5466, per=46.14%, avg=1825.36, stdev=1780.51 cpu : usr=2.54%, sys=0.22%, ctx=2444 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=31.1%, 4=6.4%, 10=14.2%, 20=16.3%, 50=28.1%, 100=1.3% lat (msec): 250=2.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,692KiB/s, minb=2,564KiB/s, maxb=2,889KiB/s, mint=36288msec, maxt=40894msec WRITE: io=145MiB, aggrb=3,956KiB/s, minb=1,162KiB/s, maxb=1,817KiB/s, mint=36288msec, maxt=40894msec Disk stats (read/write): sda: ios=5515/2756, merge=980/616, ticks=86300/54160, in_queue=140460, util=98.97% 2.98user 0.38system 0:41.25elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1103minor)pagefaults 0swaps