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: [FFm] [37.5% done] [ 1520/ 11128 kb/s] [eta 00m:05s] Threads: 3: [FFF] [100.0% done] [ 416/ 47664 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] [66.7% done] [ 0/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [68.2% done] [ 16588/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [72.7% done] [ 31267/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [81.0% done] [ 29774/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.0% done] [ 32764/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 38096/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 37509/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33677/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 32220/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 33559/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=27646 read : io=100MiB, bw=4,442KiB/s, runt= 23601msec slat (msec): min= 140, max=22081, avg=17942.34, stdev=3104.66 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 6, max=27494, per=80.03%, avg=10615.93, stdev=7213.89 write: io=99,428KiB, bw=7,178KiB/s, runt= 14183msec slat (msec): min= 0, max= 10, avg= 1.93, stdev= 2.00 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=112611, per=268.40%, avg=56305.50, stdev=79628.00 cpu : usr=5.14%, sys=1.75%, ctx=785 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27647 read : io=100MiB, bw=4,510KiB/s, runt= 23247msec slat (msec): min= 47, max=21252, avg=16305.98, stdev=4774.51 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 9, max=23177, per=70.54%, avg=9356.59, stdev=6876.51 write: io=95,872KiB, bw=6,923KiB/s, runt= 14179msec slat (msec): min= 0, max= 99, avg= 1.98, stdev= 5.15 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=95496, per=152.24%, avg=31937.00, stdev=55043.93 cpu : usr=5.20%, sys=1.60%, ctx=906 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27648 read : io=100MiB, bw=4,421KiB/s, runt= 23714msec slat (msec): min= 57, max=19860, avg=15157.13, stdev=4153.53 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 8, max=21990, per=63.60%, avg=8436.19, stdev=6176.89 write: io=95,428KiB, bw=6,885KiB/s, runt= 14191msec slat (msec): min= 0, max= 63, avg= 2.13, stdev= 4.13 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=17025, per=40.58%, avg=8512.50, stdev=12038.49 cpu : usr=4.94%, sys=1.60%, ctx=875 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,265KiB/s, minb=4,421KiB/s, maxb=4,510KiB/s, mint=23247msec, maxt=23714msec WRITE: io=284MiB, aggrb=20,978KiB/s, minb=6,885KiB/s, maxb=7,178KiB/s, mint=23247msec, maxt=23714msec Disk stats (read/write): sda: ios=3172/2210, merge=1300/70363, ticks=81540/1773584, in_queue=1873092, util=98.56% 3.65user 1.18system 0:24.06elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2425minor)pagefaults 0swaps