fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [FmF] [37.5% done] [ 1672/ 0 kb/s] [eta 00m:05s] Threads: 3: [FmF] [36.4% done] [ 2184/ 0 kb/s] [eta 00m:07s] Threads: 3: [FmF] [50.0% done] [ 532/ 18944 kb/s] [eta 00m:05s] Threads: 3: [FmF] [50.0% done] [ 1080/ 144 kb/s] [eta 00m:06s] Threads: 3: [FmF] [58.3% done] [ 952/ 7504 kb/s] [eta 00m:05s] Threads: 3: [FFF] [100.0% done] [ 0/ 17476 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] [68.2% done] [ 4108/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [72.7% done] [ 23200/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [81.0% done] [ 33932/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [85.7% done] [ 27728/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.5% done] [ 36896/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.2% done] [ 37552/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 35979/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 32832/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 25048/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=27981 read : io=100MiB, bw=4,284KiB/s, runt= 24471msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 630, avg=49.36, stdev=86.51 bw (KiB/s) : min= 0, max=20068, per=67.80%, avg=8701.86, stdev=6166.90 write: io=99,104KiB, bw=6,821KiB/s, runt= 14876msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 183, avg= 0.91, stdev= 8.20 bw (KiB/s) : min= 0, max=116274, per=206.92%, avg=40810.25, stdev=54964.13 cpu : usr=3.37%, sys=1.77%, ctx=5293 IO depths : 1=1.7%, 2=56.4%, 4=30.9%, 8=11.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.8%, 4=1.1%, 10=21.4%, 20=12.0%, 50=3.5%, 100=2.6% lat (msec): 250=6.9%, 500=2.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27982 read : io=100MiB, bw=4,277KiB/s, runt= 24506msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 787, avg=76.49, stdev=120.48 bw (KiB/s) : min= 12, max=18194, per=45.44%, avg=5832.67, stdev=4893.50 write: io=85,100KiB, bw=5,859KiB/s, runt= 14872msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 415, avg= 2.72, stdev=25.22 bw (KiB/s) : min= 0, max= 9620, per=31.67%, avg=6245.67, stdev=5414.75 cpu : usr=2.79%, sys=1.93%, ctx=5279 IO depths : 1=1.0%, 2=51.6%, 4=30.6%, 8=16.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=46.6%, 4=0.2%, 10=14.5%, 20=13.7%, 50=6.5%, 100=4.4% lat (msec): 250=8.7%, 500=4.2%, 750=0.8%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27983 read : io=100MiB, bw=4,333KiB/s, runt= 24197msec clat (msec): min= 0, max= 478, avg=41.92, stdev=75.77 bw (KiB/s) : min= 3, max=20681, per=83.61%, avg=10731.53, stdev=6153.14 write: io=100MiB, bw=7,046KiB/s, runt= 14880msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 8, avg= 0.29, stdev= 0.81 bw (KiB/s) : min= 0, max=117794, per=298.62%, avg=58897.00, stdev=83292.94 cpu : usr=3.57%, sys=2.08%, ctx=5203 IO depths : 1=1.3%, 2=56.1%, 4=32.5%, 8=10.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=50.4%, 4=0.6%, 10=22.1%, 20=13.9%, 50=3.2%, 100=1.6% lat (msec): 250=6.5%, 500=1.7%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,835KiB/s, minb=4,277KiB/s, maxb=4,333KiB/s, mint=24197msec, maxt=24506msec WRITE: io=280MiB, aggrb=19,723KiB/s, minb=5,859KiB/s, maxb=7,046KiB/s, mint=24197msec, maxt=24506msec Disk stats (read/write): sda: ios=3213/2452, merge=1118/69058, ticks=73348/1969840, in_queue=2044368, util=99.14% 2.42user 1.49system 0:24.83elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2477minor)pagefaults 0swaps