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: [mFm] [42.9% done] [ 6867/ 43662 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 662/ 43300 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [69.6% done] [ 14661/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [70.8% done] [ 26859/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [78.3% done] [ 31166/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [86.4% done] [ 30862/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [95.2% done] [ 30878/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 35746/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 35425/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 29431/ 0 kb/s] [eta 00m:00s] Threads: 2: [EVV] [100.0% done] [ 32471/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=1252 read : io=100MiB, bw=4,317KiB/s, runt= 24289msec clat (msec): min= 0, max= 250, avg= 6.48, stdev=25.87 bw (KiB/s) : min= 0, max=18476, per=64.42%, avg=8158.57, stdev=5535.76 write: io=90,908KiB, bw=6,102KiB/s, runt= 15255msec clat (msec): min= 0, max= 92, avg= 0.43, stdev= 4.37 bw (KiB/s) : min= 0, max=15121, per=51.96%, avg=9807.33, stdev=8503.29 cpu : usr=5.22%, sys=1.05%, ctx=1055 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=81.8%, 4=4.7%, 10=8.0%, 20=2.0%, 50=1.7%, 100=0.5% lat (msec): 250=1.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1253 read : io=100MiB, bw=4,269KiB/s, runt= 24561msec clat (msec): min= 0, max= 265, avg= 5.99, stdev=26.76 bw (KiB/s) : min= 13, max=19337, per=68.04%, avg=8617.16, stdev=5649.73 write: io=95,164KiB, bw=6,388KiB/s, runt= 15253msec clat (msec): min= 0, max= 19, avg= 0.04, stdev= 0.73 bw (KiB/s) : min= 0, max=50824, per=134.64%, avg=25412.00, stdev=35938.00 cpu : usr=5.18%, sys=1.12%, ctx=885 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=85.0%, 4=4.6%, 10=6.4%, 20=1.5%, 50=1.0%, 100=0.3% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1254 read : io=100MiB, bw=4,221KiB/s, runt= 24837msec clat (msec): min= 0, max= 263, avg= 6.29, stdev=26.50 bw (KiB/s) : min= 12, max=20944, per=60.02%, avg=7601.10, stdev=5968.77 write: io=95,568KiB, bw=6,404KiB/s, runt= 15280msec clat (msec): min= 0, max= 27, avg= 0.18, stdev= 1.66 bw (KiB/s) : min= 0, max=28421, per=94.34%, avg=17806.00, stdev=15515.19 cpu : usr=4.80%, sys=1.11%, ctx=996 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=82.2%, 4=4.7%, 10=8.0%, 20=2.3%, 50=1.3%, 100=0.3% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,665KiB/s, minb=4,221KiB/s, maxb=4,317KiB/s, mint=24289msec, maxt=24837msec WRITE: io=275MiB, aggrb=18,874KiB/s, minb=6,102KiB/s, maxb=6,404KiB/s, mint=24289msec, maxt=24837msec Disk stats (read/write): sda: ios=3548/2193, merge=1240/68016, ticks=85900/1921084, in_queue=2016120, util=98.95% 3.73user 0.84system 0:25.11elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1073minor)pagefaults 0swaps