fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [5.0% done] [ 7840/ 4924 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.8% done] [ 6620/ 4768 kb/s] [eta 00m:55s] Threads: 3: [mmm] [9.8% done] [ 5920/ 6916 kb/s] [eta 00m:46s] Threads: 3: [mmm] [12.5% done] [ 10188/ 2084 kb/s] [eta 00m:42s] Threads: 3: [mmm] [14.0% done] [ 3960/ 4292 kb/s] [eta 00m:43s] Threads: 3: [mmm] [16.0% done] [ 6812/ 5568 kb/s] [eta 00m:42s] Threads: 3: [mmm] [18.8% done] [ 14184/ 1488 kb/s] [eta 00m:39s] Threads: 3: [mmm] [20.4% done] [ 7560/ 972 kb/s] [eta 00m:39s] Threads: 3: [mmm] [22.9% done] [ 9732/ 2484 kb/s] [eta 00m:37s] Threads: 3: [mmm] [25.5% done] [ 6848/ 1108 kb/s] [eta 00m:35s] Threads: 3: [mmm] [27.1% done] [ 9004/ 68 kb/s] [eta 00m:35s] Threads: 3: [mmm] [29.2% done] [ 8732/ 2568 kb/s] [eta 00m:34s] Threads: 3: [mmm] [32.6% done] [ 7252/ 3684 kb/s] [eta 00m:31s] Threads: 3: [mmm] [36.4% done] [ 5304/ 4220 kb/s] [eta 00m:28s] Threads: 3: [mmm] [38.6% done] [ 6364/ 5444 kb/s] [eta 00m:27s] Threads: 3: [mmm] [40.9% done] [ 2412/ 5128 kb/s] [eta 00m:26s] Threads: 3: [mmm] [43.2% done] [ 5992/ 2980 kb/s] [eta 00m:25s] Threads: 3: [mmm] [45.5% done] [ 1368/ 6444 kb/s] [eta 00m:24s] Threads: 3: [mmm] [46.7% done] [ 3568/ 3288 kb/s] [eta 00m:24s] Threads: 3: [mmm] [47.8% done] [ 2400/ 1476 kb/s] [eta 00m:24s] Threads: 3: [mmm] [47.9% done] [ 1844/ 952 kb/s] [eta 00m:25s] Threads: 3: [mmm] [49.0% done] [ 1536/ 1428 kb/s] [eta 00m:25s] Threads: 3: [mmm] [50.0% done] [ 2664/ 456 kb/s] [eta 00m:25s] Threads: 3: [mmm] [51.0% done] [ 2432/ 800 kb/s] [eta 00m:25s] Threads: 3: [mmm] [50.9% done] [ 1668/ 1068 kb/s] [eta 00m:26s] Threads: 3: [mmm] [51.9% done] [ 1816/ 1176 kb/s] [eta 00m:26s] Threads: 3: [mmm] [52.7% done] [ 2576/ 1504 kb/s] [eta 00m:26s] Threads: 3: [mmm] [53.6% done] [ 2264/ 296 kb/s] [eta 00m:26s] Threads: 3: [mmm] [54.4% done] [ 2540/ 592 kb/s] [eta 00m:26s] Threads: 3: [mmm] [55.2% done] [ 3612/ 392 kb/s] [eta 00m:26s] Threads: 3: [mmm] [55.9% done] [ 2160/ 868 kb/s] [eta 00m:26s] Threads: 3: [mmm] [56.7% done] [ 3580/ 776 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1372/ 1220 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2312/ 1976 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3068/ 1140 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1544/ 1512 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3748/ 1424 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2928/ 1360 kb/s] [eta 00m:20s] Threads: 3: [mmF] [68.3% done] [ 7228/ 984 kb/s] [eta 00m:19s] Threads: 3: [mmF] [71.7% done] [ 3480/ 3600 kb/s] [eta 00m:17s] Threads: 3: [mFF] [73.3% done] [ 4008/ 0 kb/s] [eta 00m:16s] Threads: 3: [mFF] [75.0% done] [ 2036/ 0 kb/s] [eta 00m:15s] Threads: 3: [FFF] [100.0% done] [ 992/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFV] [83.9% done] [ 25152/ 0 kb/s] [eta 00m:09s] Threads: 2: [FF_] [100.0% done] [ 3672/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=26474 read : io=100MiB, bw=2,160KiB/s, runt= 48536msec clat (msec): min= 0, max= 414, avg=16.89, stdev=48.34 bw (KiB/s) : min= 2, max= 5811, per=25.06%, avg=1624.03, stdev=1533.29 write: io=40,900KiB, bw=867KiB/s, runt= 48301msec clat (msec): min= 0, max= 471, avg=27.87, stdev=62.58 bw (KiB/s) : min= 0, max= 6210, per=80.72%, avg=1672.56, stdev=1923.87 cpu : usr=2.08%, sys=0.59%, ctx=7337 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=70.1%, 4=1.1%, 10=4.8%, 20=6.1%, 50=5.8%, 100=5.2% lat (msec): 250=5.7%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26475 read : io=100MiB, bw=2,164KiB/s, runt= 48446msec clat (msec): min= 0, max= 492, avg=16.53, stdev=51.00 bw (KiB/s) : min= 9, max= 8362, per=33.27%, avg=2156.29, stdev=2253.41 write: io=28,036KiB, bw=594KiB/s, runt= 48281msec clat (msec): min= 0, max= 513, avg=28.33, stdev=67.82 bw (KiB/s) : min= 0, max= 7315, per=59.09%, avg=1224.32, stdev=1748.65 cpu : usr=1.92%, sys=0.60%, ctx=7067 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=70.8%, 4=2.3%, 10=4.1%, 20=7.0%, 50=4.1%, 100=4.9% lat (msec): 250=5.4%, 500=1.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26476 read : io=100MiB, bw=2,230KiB/s, runt= 47010msec clat (msec): min= 0, max= 442, avg=16.54, stdev=46.96 bw (KiB/s) : min= 11, max= 8086, per=31.03%, avg=2010.92, stdev=2039.96 write: io=28,824KiB, bw=630KiB/s, runt= 46837msec clat (msec): min= 0, max= 370, avg=31.08, stdev=63.65 bw (KiB/s) : min= 0, max= 7110, per=58.02%, avg=1202.27, stdev=1694.41 cpu : usr=2.14%, sys=0.46%, ctx=7641 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=68.4%, 4=1.7%, 10=4.0%, 20=8.2%, 50=5.2%, 100=5.7% lat (msec): 250=5.6%, 500=1.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=6,481KiB/s, minb=2,160KiB/s, maxb=2,230KiB/s, mint=47010msec, maxt=48536msec WRITE: io=97,760KiB, aggrb=2,072KiB/s, minb=594KiB/s, maxb=867KiB/s, mint=47010msec, maxt=48536msec Disk stats (read/write): sda: ios=21921/1132, merge=26/23421, ticks=129616/2061312, in_queue=2191420, util=99.29% 2.94user 0.92system 0:48.74elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+102360minor)pagefaults 0swaps