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] [9.7% done] [ 8789/ 7428 kb/s] [eta 00m:28s] Threads: 3: [mmm] [12.5% done] [ 10195/ 5424 kb/s] [eta 00m:28s] Threads: 3: [mmm] [14.7% done] [ 5871/ 11491 kb/s] [eta 00m:29s] Threads: 3: [mmm] [16.2% done] [ 10443/ 2113 kb/s] [eta 00m:31s] Threads: 3: [mmm] [18.9% done] [ 5721/ 6879 kb/s] [eta 00m:30s] Threads: 3: [mmm] [20.5% done] [ 10264/ 2755 kb/s] [eta 00m:31s] Threads: 3: [mmm] [22.0% done] [ 8066/ 3441 kb/s] [eta 00m:32s] Threads: 3: [mmm] [25.0% done] [ 9886/ 3275 kb/s] [eta 00m:30s] Threads: 3: [mmm] [27.5% done] [ 9163/ 3197 kb/s] [eta 00m:29s] Threads: 3: [mmm] [29.3% done] [ 8216/ 3360 kb/s] [eta 00m:29s] Threads: 3: [mmm] [31.7% done] [ 7448/ 5315 kb/s] [eta 00m:28s] Threads: 3: [mmm] [34.1% done] [ 8464/ 4311 kb/s] [eta 00m:27s] Threads: 3: [mmm] [37.5% done] [ 3620/ 9732 kb/s] [eta 00m:25s] Threads: 3: [mmm] [39.0% done] [ 4282/ 6062 kb/s] [eta 00m:25s] Threads: 3: [mmm] [40.5% done] [ 7273/ 1670 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.9% done] [ 3323/ 5997 kb/s] [eta 00m:25s] Threads: 3: [mmm] [43.2% done] [ 5770/ 3132 kb/s] [eta 00m:25s] Threads: 3: [mmm] [45.5% done] [ 7984/ 0 kb/s] [eta 00m:24s] Threads: 3: [mmm] [47.7% done] [ 3104/ 5071 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.8% done] [ 3624/ 3961 kb/s] [eta 00m:24s] Threads: 3: [mVm] [48.9% done] [ 13060/ 617 kb/s] [eta 00m:24s] Threads: 3: [mVm] [50.0% done] [ 12373/ 1064 kb/s] [eta 00m:24s] Threads: 3: [mVm] [50.0% done] [ 13783/ 406 kb/s] [eta 00m:25s] Threads: 2: [m_m] [51.0% done] [ 8244/ 3835 kb/s] [eta 00m:25s] Threads: 2: [m_m] [54.0% done] [ 776/ 8569 kb/s] [eta 00m:23s] Threads: 2: [m_V] [54.9% done] [ 14331/ 528 kb/s] [eta 00m:23s] Threads: 2: [m_V] [54.7% done] [ 17501/ 0 kb/s] [eta 00m:24s] Threads: 2: [m_V] [55.6% done] [ 16966/ 0 kb/s] [eta 00m:24s] Threads: 1: [m__] [59.6% done] [ 7632/ 1568 kb/s] [eta 00m:21s] Threads: 1: [m__] [65.3% done] [ 0/ 9416 kb/s] [eta 00m:17s] Threads: 1: [V__] [75.0% done] [ 10836/ 2596 kb/s] [eta 00m:11s] Threads: 1: [V__] [89.5% done] [ 21324/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=31514 read : io=100MiB, bw=2,978KiB/s, runt= 35202msec clat (msec): min= 0, max= 213, avg=12.96, stdev=24.25 bw (KiB/s) : min= 4, max=22760, per=41.09%, avg=3672.02, stdev=5346.95 write: io=48,200KiB, bw=1,504KiB/s, runt= 32808msec clat (msec): min= 0, max= 443, avg=11.42, stdev=35.91 bw (KiB/s) : min= 0, max= 9765, per=67.27%, avg=2942.96, stdev=2959.75 cpu : usr=2.50%, sys=0.23%, ctx=2672 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=48.9%, 4=7.6%, 10=16.8%, 20=10.1%, 50=9.7%, 100=3.7% lat (msec): 250=3.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31515 read : io=100MiB, bw=4,057KiB/s, runt= 25843msec clat (msec): min= 0, max= 99, avg=10.31, stdev=12.25 bw (KiB/s) : min= 11, max=16531, per=50.47%, avg=4509.80, stdev=4347.69 write: io=43,484KiB, bw=2,003KiB/s, runt= 22223msec clat (msec): min= 0, max= 261, avg=11.20, stdev=26.76 bw (KiB/s) : min= 0, max= 7502, per=69.44%, avg=3037.88, stdev=2927.18 cpu : usr=3.41%, sys=0.43%, ctx=2241 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=37.6%, 4=7.1%, 10=20.5%, 20=18.9%, 50=12.4%, 100=2.9% lat (msec): 250=0.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31516 read : io=100MiB, bw=3,436KiB/s, runt= 30517msec clat (msec): min= 0, max= 198, avg=10.69, stdev=16.93 bw (KiB/s) : min= 14, max=20054, per=49.99%, avg=4467.51, stdev=5272.45 write: io=48,488KiB, bw=1,813KiB/s, runt= 27380msec clat (msec): min= 0, max= 313, avg=11.89, stdev=29.19 bw (KiB/s) : min= 0, max= 8130, per=62.44%, avg=2731.81, stdev=2619.52 cpu : usr=3.34%, sys=0.43%, ctx=2569 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=43.7%, 4=7.0%, 10=17.1%, 20=15.9%, 50=11.7%, 100=3.2% lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,936KiB/s, minb=2,978KiB/s, maxb=4,057KiB/s, mint=25843msec, maxt=35202msec WRITE: io=137MiB, aggrb=4,375KiB/s, minb=1,504KiB/s, maxb=2,003KiB/s, mint=25843msec, maxt=35202msec Disk stats (read/write): sda: ios=5530/3106, merge=899/351, ticks=70256/56624, in_queue=126872, util=98.35% 2.78user 0.42system 0:35.51elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1081minor)pagefaults 0swaps