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: [mmF] [6.2% done] [ 0/ 0 kb/s] [eta 00m:45s] Threads: 3: [mmF] [6.7% done] [ 0/ 0 kb/s] [eta 00m:56s] Threads: 3: [mmF] [8.3% done] [ 1268/ 0 kb/s] [eta 00m:55s] Threads: 3: [mmF] [10.0% done] [ 536/ 8328 kb/s] [eta 00m:54s] Threads: 3: [mFF] [11.7% done] [ 0/ 35678 kb/s] [eta 00m:53s] Threads: 3: [mFF] [13.3% done] [ 0/ 0 kb/s] [eta 00m:52s] Threads: 3: [mFF] [15.0% done] [ 0/ 0 kb/s] [eta 00m:51s] Threads: 3: [mVV] [18.2% done] [ 972/ 15724 kb/s] [eta 00m:45s] Threads: 3: [FVV] [73.3% done] [ 19198/ 74937 kb/s] [eta 00m:04s] Threads: 3: [FVV] [80.0% done] [ 20484/ 0 kb/s] [eta 00m:03s] Threads: 3: [FVV] [81.2% done] [ 5352/ 0 kb/s] [eta 00m:03s] Threads: 3: [FVV] [77.8% done] [ 524/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [68.2% done] [ 13256/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [69.6% done] [ 26764/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [70.8% done] [ 36164/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [75.0% done] [ 27216/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [79.2% done] [ 31912/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [87.0% done] [ 33152/ 0 kb/s] [eta 00m:03s] Threads: 1: [V__] [100.0% done] [ 37008/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=4544 read : io=100MiB, bw=4,686KiB/s, runt= 22375msec slat (msec): min= 71, max=11578, avg=9469.59, stdev=2475.65 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 15, max=39611, per=74.41%, avg=10460.94, stdev=12034.22 write: io=90,588KiB, bw=6,155KiB/s, runt= 15069msec slat (msec): min= 0, max= 21, avg= 1.93, stdev= 2.22 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=110477, per=283.27%, avg=55238.50, stdev=78119.04 cpu : usr=5.31%, sys=1.89%, ctx=921 IO depths : 1=12.6%, 2=25.0%, 4=49.9%, 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=4545 read : io=100MiB, bw=5,168KiB/s, runt= 20288msec slat (msec): min= 67, max=13967, avg=9433.72, stdev=3563.14 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 33, max=20202, per=67.09%, avg=9431.67, stdev=6111.70 write: io=97,480KiB, bw=10,001KiB/s, runt= 9980msec slat (msec): min= 0, max= 11, avg= 2.12, stdev= 2.18 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max= 9236, per=23.68%, avg=4618.00, stdev=6530.84 cpu : usr=5.88%, sys=1.95%, ctx=891 IO depths : 1=12.6%, 2=25.1%, 4=49.9%, 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=4546 read : io=100MiB, bw=5,009KiB/s, runt= 20932msec slat (msec): min= 100, max=19342, avg=15137.81, stdev=3353.24 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 22, max=21199, per=71.65%, avg=10073.22, stdev=6281.45 write: io=98,896KiB, bw=10,176KiB/s, runt= 9951msec slat (msec): min= 0, max= 11, avg= 1.98, stdev= 1.98 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=109879, per=281.74%, avg=54939.50, stdev=77696.19 cpu : usr=6.06%, sys=1.95%, ctx=787 IO depths : 1=12.6%, 2=25.0%, 4=49.9%, 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% Run status group 0 (all jobs): READ: io=300MiB, aggrb=14,059KiB/s, minb=4,686KiB/s, maxb=5,168KiB/s, mint=20288msec, maxt=22375msec WRITE: io=280MiB, aggrb=19,500KiB/s, minb=6,155KiB/s, maxb=10,176KiB/s, mint=20288msec, maxt=22375msec Disk stats (read/write): sda: ios=3237/1739, merge=1206/70004, ticks=77884/1476176, in_queue=1554072, util=98.37% 3.66user 1.29system 0:22.72elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2410minor)pagefaults 0swaps