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: [mmF] [7.7% done] [ 3696/ 36276 kb/s] [eta 00m:36s] Threads: 3: [mmF] [8.3% done] [ 1656/ 0 kb/s] [eta 00m:44s] Threads: 3: [mmF] [8.3% done] [ 136/ 14716 kb/s] [eta 00m:55s] Threads: 3: [mFF] [10.0% done] [ 0/ 41796 kb/s] [eta 00m:54s] Threads: 3: [mFF] [11.7% done] [ 248/ 0 kb/s] [eta 00m:53s] Threads: 3: [mFF] [13.3% done] [ 472/ 0 kb/s] [eta 00m:52s] Threads: 3: [mFF] [15.0% done] [ 0/ 0 kb/s] [eta 00m:51s] Threads: 3: [mFF] [16.7% done] [ 256/ 0 kb/s] [eta 00m:50s] Threads: 3: [mVV] [28.9% done] [ 7100/ 29556 kb/s] [eta 00m:27s] Threads: 3: [mVV] [63.2% done] [ 26588/ 51284 kb/s] [eta 00m:07s] Threads: 3: [FVV] [86.7% done] [ 23400/ 6844 kb/s] [eta 00m:02s] Threads: 3: [FVV] [93.3% done] [ 19006/ 0 kb/s] [eta 00m:01s] Threads: 3: [FVV] [100.0% done] [ 20868/ 0 kb/s] [eta 00m:00s] Threads: 3: [FVV] [100.0% done] [ 22536/ 0 kb/s] [eta 00m:00s] Threads: 3: [FVV] [100.0% done] [ 20820/ 0 kb/s] [eta 00m:00s] Threads: 3: [FVV] [100.0% done] [ 14001/ 0 kb/s] [eta 00m:00s] Threads: 3: [FVV] [100.0% done] [ 17552/ 0 kb/s] [eta 00m:00s] Threads: 1: [VEE] [71.4% done] [ 29696/ 0 kb/s] [eta 00m:08s] Threads: 1: [V__] [95.5% done] [ 30891/ 0 kb/s] [eta 00m:01s] Threads: 1: [V__] [100.0% done] [ 37460/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=9888 read : io=100MiB, bw=4,582KiB/s, runt= 22880msec clat (msec): min= 0, max= 1679, avg= 7.85, stdev=75.37 bw (KiB/s) : min= 0, max=39788, per=74.57%, avg=10251.74, stdev=14759.77 write: io=87,684KiB, bw=4,453KiB/s, runt= 20161msec clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=54953, per=190.64%, avg=27476.50, stdev=38857.64 cpu : usr=5.38%, sys=1.31%, ctx=995 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=84.7%, 4=5.0%, 10=6.5%, 20=1.5%, 50=1.4%, 100=0.4% lat (msec): 250=0.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.1% fio: (groupid=0): err= 0: pid=9889 read : io=100MiB, bw=5,204KiB/s, runt= 20148msec clat (msec): min= 0, max= 1252, avg= 8.25, stdev=46.80 bw (KiB/s) : min= 11, max=17624, per=49.76%, avg=6840.82, stdev=5268.87 write: io=96,200KiB, bw=9,428KiB/s, runt= 10448msec clat (msec): min= 0, max= 45, avg= 0.07, stdev= 1.31 bw (KiB/s) : min= 0, max=81043, per=187.49%, avg=27023.00, stdev=46782.69 cpu : usr=6.25%, sys=1.43%, ctx=962 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=85.1%, 4=4.5%, 10=6.8%, 20=0.7%, 50=0.9%, 100=0.7% lat (msec): 250=0.7%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=9890 read : io=100MiB, bw=5,248KiB/s, runt= 19979msec clat (msec): min= 0, max= 391, avg= 5.92, stdev=31.57 bw (KiB/s) : min= 22, max=21467, per=66.62%, avg=9158.56, stdev=5893.44 write: io=99,896KiB, bw=9,997KiB/s, runt= 10232msec clat (msec): min= 0, max= 24, avg= 0.07, stdev= 1.05 bw (KiB/s) : min= 0, max=108118, per=455.36%, avg=65631.33, stdev=57655.29 cpu : usr=6.51%, sys=1.44%, ctx=910 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=86.5%, 4=4.7%, 10=6.1%, 20=0.6%, 50=0.7%, 100=0.4% lat (msec): 250=0.6%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,748KiB/s, minb=4,582KiB/s, maxb=5,248KiB/s, mint=19979msec, maxt=22880msec WRITE: io=277MiB, aggrb=14,413KiB/s, minb=4,453KiB/s, maxb=9,997KiB/s, mint=19979msec, maxt=22880msec Disk stats (read/write): sda: ios=3361/1613, merge=1241/69279, ticks=104452/1855160, in_queue=1977244, util=97.55% 3.80user 0.92system 0:23.57elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1068minor)pagefaults 0swaps