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] [8.6% done] [ 6696/ 9912 kb/s] [eta 00m:32s] Threads: 3: [mmm] [10.8% done] [ 7880/ 7708 kb/s] [eta 00m:33s] Threads: 3: [mmm] [13.5% done] [ 13308/ 2008 kb/s] [eta 00m:32s] Threads: 3: [mmm] [15.0% done] [ 6424/ 6292 kb/s] [eta 00m:34s] Threads: 3: [mmm] [17.1% done] [ 8032/ 6220 kb/s] [eta 00m:34s] Threads: 3: [mmm] [19.0% done] [ 4508/ 7604 kb/s] [eta 00m:34s] Threads: 3: [mmm] [22.5% done] [ 6900/ 6704 kb/s] [eta 00m:31s] Threads: 3: [mmm] [25.0% done] [ 7564/ 4200 kb/s] [eta 00m:30s] Threads: 3: [mmm] [27.5% done] [ 9864/ 1608 kb/s] [eta 00m:29s] Threads: 3: [mmm] [29.3% done] [ 9296/ 2728 kb/s] [eta 00m:29s] Threads: 3: [mmm] [31.0% done] [ 4940/ 6200 kb/s] [eta 00m:29s] Threads: 3: [mmm] [33.3% done] [ 9520/ 1956 kb/s] [eta 00m:28s] Threads: 3: [mmm] [34.1% done] [ 5484/ 4912 kb/s] [eta 00m:29s] Threads: 3: [mmm] [36.4% done] [ 8072/ 2268 kb/s] [eta 00m:28s] Threads: 3: [mmm] [39.5% done] [ 5440/ 6152 kb/s] [eta 00m:26s] Threads: 3: [mmm] [41.9% done] [ 2736/ 5636 kb/s] [eta 00m:25s] Threads: 3: [mmm] [43.2% done] [ 3500/ 4960 kb/s] [eta 00m:25s] Threads: 3: [mmm] [45.5% done] [ 4160/ 4748 kb/s] [eta 00m:24s] Threads: 3: [mmm] [46.7% done] [ 3124/ 5448 kb/s] [eta 00m:24s] Threads: 3: [mmm] [47.8% done] [ 4696/ 2920 kb/s] [eta 00m:24s] Threads: 3: [mmm] [48.9% done] [ 3616/ 3504 kb/s] [eta 00m:24s] Threads: 3: [mVm] [49.0% done] [ 12268/ 500 kb/s] [eta 00m:25s] Threads: 3: [mVm] [51.0% done] [ 10304/ 3244 kb/s] [eta 00m:24s] Threads: 3: [mVm] [51.0% done] [ 15796/ 312 kb/s] [eta 00m:25s] Threads: 3: [mVm] [50.9% done] [ 15004/ 252 kb/s] [eta 00m:26s] Threads: 2: [m_V] [53.8% done] [ 5696/ 2672 kb/s] [eta 00m:24s] Threads: 2: [m_V] [53.7% done] [ 14264/ 876 kb/s] [eta 00m:25s] Threads: 2: [m_V] [54.5% done] [ 16040/ 0 kb/s] [eta 00m:25s] Threads: 1: [m__] [57.4% done] [ 8028/ 3936 kb/s] [eta 00m:23s] Threads: 1: [m__] [62.3% done] [ 7604/ 348 kb/s] [eta 00m:20s] Threads: 1: [V__] [68.0% done] [ 4560/ 3860 kb/s] [eta 00m:16s] Threads: 1: [V__] [79.5% done] [ 18188/ 0 kb/s] [eta 00m:09s] Threads: 1: [V__] [92.3% done] [ 20148/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=4090 read : io=100MiB, bw=2,893KiB/s, runt= 36236msec clat (msec): min= 0, max= 191, avg=13.42, stdev=24.29 bw (KiB/s) : min= 6, max=20905, per=37.51%, avg=3256.65, stdev=4883.83 write: io=44,036KiB, bw=1,332KiB/s, runt= 33829msec clat (msec): min= 0, max= 628, avg=16.27, stdev=50.61 bw (KiB/s) : min= 0, max= 8508, per=58.25%, avg=2383.00, stdev=2554.81 cpu : usr=2.55%, sys=0.30%, ctx=2406 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=41.6%, 4=8.4%, 10=21.0%, 20=11.2%, 50=10.1%, 100=4.6% lat (msec): 250=2.8%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4091 read : io=100MiB, bw=3,756KiB/s, runt= 27912msec clat (msec): min= 0, max= 234, avg= 9.31, stdev=12.65 bw (KiB/s) : min= 6, max=16666, per=53.16%, avg=4614.58, stdev=4954.24 write: io=51,764KiB, bw=2,207KiB/s, runt= 24014msec clat (msec): min= 0, max= 306, avg=11.73, stdev=29.33 bw (KiB/s) : min= 0, max=10419, per=73.10%, avg=2990.47, stdev=2768.16 cpu : usr=3.80%, sys=0.37%, ctx=2556 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=42.7%, 4=6.6%, 10=18.9%, 20=16.9%, 50=11.5%, 100=2.6% lat (msec): 250=0.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4092 read : io=100MiB, bw=3,334KiB/s, runt= 31443msec clat (msec): min= 0, max= 168, avg=12.41, stdev=17.41 bw (KiB/s) : min= 3, max=18986, per=43.31%, avg=3759.56, stdev=4048.25 write: io=39,368KiB, bw=1,431KiB/s, runt= 28154msec clat (msec): min= 0, max= 199, avg=11.63, stdev=26.95 bw (KiB/s) : min= 0, max= 8981, per=68.49%, avg=2802.12, stdev=2809.34 cpu : usr=2.70%, sys=0.31%, ctx=2422 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=35.0%, 4=7.4%, 10=21.3%, 20=17.9%, 50=13.6%, 100=3.3% lat (msec): 250=1.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,681KiB/s, minb=2,893KiB/s, maxb=3,756KiB/s, mint=27912msec, maxt=36236msec WRITE: io=132MiB, aggrb=4,091KiB/s, minb=1,332KiB/s, maxb=2,207KiB/s, mint=27912msec, maxt=36236msec Disk stats (read/write): sda: ios=5699/2738, merge=902/311, ticks=73144/54220, in_queue=127364, util=97.70% 2.83user 0.42system 0:36.91elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1076minor)pagefaults 0swaps