fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [11.1% done] [ 12460/ 7508 kb/s] [eta 00m:24s] Threads: 3: [mmm] [16.0% done] [ 18536/ 3996 kb/s] [eta 00m:21s] Threads: 3: [mmm] [19.2% done] [ 12824/ 5548 kb/s] [eta 00m:21s] Threads: 3: [mmm] [21.4% done] [ 10564/ 6336 kb/s] [eta 00m:22s] Threads: 3: [mmm] [25.0% done] [ 3148/ 11600 kb/s] [eta 00m:21s] Threads: 3: [mmm] [29.6% done] [ 11212/ 7132 kb/s] [eta 00m:19s] Threads: 3: [mmm] [32.1% done] [ 6410/ 8292 kb/s] [eta 00m:19s] Threads: 3: [mmm] [35.7% done] [ 6012/ 8480 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.9% done] [ 8748/ 4632 kb/s] [eta 00m:18s] Threads: 3: [mmm] [41.4% done] [ 12784/ 2924 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 10976/ 3384 kb/s] [eta 00m:16s] Threads: 3: [mmm] [50.0% done] [ 14340/ 360 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 7768/ 4160 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 6832/ 4740 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 6440/ 4056 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 6832/ 3316 kb/s] [eta 00m:12s] Threads: 3: [mmm] [63.3% done] [ 6704/ 2000 kb/s] [eta 00m:11s] Threads: 3: [mmm] [64.5% done] [ 4544/ 3380 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 4132/ 3540 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 11124/ 828 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 15408/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [72.7% done] [ 14556/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [78.1% done] [ 15428/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [78.8% done] [ 14480/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.8% done] [ 13004/ 0 kb/s] [eta 00m:06s] Threads: 1: [_V_] [93.3% done] [ 16140/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=32661 read : io=100MiB, bw=3,678KiB/s, runt= 28509msec slat (msec): min= 0, max= 7107, avg=1347.87, stdev=2108.14 clat (msec): min= 0, max= 838, avg=92.64, stdev=112.81 bw (KiB/s) : min= 126, max=10288, per=38.86%, avg=4264.14, stdev=2767.30 write: io=36,724KiB, bw=1,737KiB/s, runt= 21638msec slat (msec): min= 0, max= 3, avg= 0.07, stdev= 0.31 clat (msec): min= 0, max= 838, avg=103.16, stdev=144.11 bw (KiB/s) : min= 0, max= 6510, per=56.86%, avg=2679.79, stdev=2042.07 cpu : usr=3.30%, sys=0.24%, ctx=1806 IO depths : 1=0.2%, 2=0.8%, 4=16.6%, 8=82.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=4.6%, 4=1.5%, 10=6.4%, 20=17.7%, 50=33.5%, 100=6.1% lat (msec): 250=14.2%, 500=15.0%, 750=0.9%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32662 read : io=100MiB, bw=3,657KiB/s, runt= 28670msec slat (msec): min= 0, max= 7199, avg=1805.57, stdev=2537.80 clat (msec): min= 0, max= 557, avg=94.87, stdev=111.60 bw (KiB/s) : min= 26, max=10579, per=39.51%, avg=4334.54, stdev=2821.25 write: io=40,176KiB, bw=1,914KiB/s, runt= 21490msec slat (msec): min= 0, max= 133, avg= 0.36, stdev= 6.14 clat (msec): min= 0, max= 1077, avg=101.54, stdev=145.30 bw (KiB/s) : min= 0, max=10882, per=58.80%, avg=2771.40, stdev=2827.84 cpu : usr=3.47%, sys=0.25%, ctx=1736 IO depths : 1=0.3%, 2=0.7%, 4=18.7%, 8=80.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=5.2%, 4=1.2%, 10=6.0%, 20=17.0%, 50=32.4%, 100=7.5% lat (msec): 250=14.6%, 500=15.1%, 750=0.6%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32663 read : io=100MiB, bw=3,793KiB/s, runt= 27645msec slat (msec): min= 0, max= 5785, avg=745.11, stdev=1532.81 clat (msec): min= 0, max= 936, avg=107.00, stdev=125.00 bw (KiB/s) : min= 161, max= 8097, per=36.57%, avg=4012.37, stdev=2283.96 write: io=23,612KiB, bw=1,107KiB/s, runt= 21835msec slat (msec): min= 0, max= 125, avg= 0.44, stdev= 6.50 clat (msec): min= 0, max= 874, avg=116.69, stdev=151.23 bw (KiB/s) : min= 0, max= 7597, per=56.45%, avg=2660.40, stdev=2358.75 cpu : usr=3.11%, sys=0.17%, ctx=1730 IO depths : 1=0.2%, 2=0.6%, 4=9.3%, 8=89.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=3.2%, 4=1.5%, 10=5.6%, 20=16.5%, 50=30.8%, 100=8.1% lat (msec): 250=14.0%, 500=18.4%, 750=1.5%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,972KiB/s, minb=3,657KiB/s, maxb=3,793KiB/s, mint=27645msec, maxt=28670msec WRITE: io=98MiB, aggrb=4,713KiB/s, minb=1,107KiB/s, maxb=1,914KiB/s, mint=27645msec, maxt=28670msec Disk stats (read/write): sda: ios=4809/1878, merge=1537/344, ticks=505208/219248, in_queue=724572, util=99.28% 2.83user 0.19system 0:29.07elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2393minor)pagefaults 0swaps