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: [mmm] [10.3% done] [ 8699/ 11536 kb/s] [eta 00m:26s] Threads: 3: [mmm] [16.0% done] [ 9045/ 10231 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.8% done] [ 15616/ 3848 kb/s] [eta 00m:19s] Threads: 3: [mmm] [24.0% done] [ 12710/ 6168 kb/s] [eta 00m:19s] Threads: 3: [mmm] [25.9% done] [ 6420/ 8082 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.7% done] [ 4323/ 10953 kb/s] [eta 00m:22s] Threads: 3: [mmm] [28.1% done] [ 7277/ 10930 kb/s] [eta 00m:23s] Threads: 3: [mmm] [29.4% done] [ 4368/ 11348 kb/s] [eta 00m:24s] Threads: 3: [mmm] [31.4% done] [ 3551/ 11552 kb/s] [eta 00m:24s] Threads: 3: [mmm] [34.3% done] [ 8403/ 7578 kb/s] [eta 00m:23s] Threads: 3: [mmm] [40.6% done] [ 5091/ 9577 kb/s] [eta 00m:19s] Threads: 3: [mmm] [46.7% done] [ 6416/ 7074 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.4% done] [ 7192/ 6269 kb/s] [eta 00m:16s] Threads: 3: [mmm] [51.6% done] [ 9849/ 2681 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.1% done] [ 4807/ 6599 kb/s] [eta 00m:15s] Threads: 3: [mVm] [52.9% done] [ 12097/ 446 kb/s] [eta 00m:16s] Threads: 3: [mVm] [54.3% done] [ 16416/ 1674 kb/s] [eta 00m:16s] Threads: 3: [mVV] [54.1% done] [ 15786/ 81 kb/s] [eta 00m:17s] Threads: 3: [mVV] [55.3% done] [ 20008/ 321 kb/s] [eta 00m:17s] Threads: 3: [mVV] [56.4% done] [ 18415/ 36 kb/s] [eta 00m:17s] Threads: 3: [mVV] [57.5% done] [ 17887/ 1093 kb/s] [eta 00m:17s] Threads: 2: [mEV] [60.0% done] [ 15425/ 861 kb/s] [eta 00m:16s] Threads: 1: [VEE] [69.4% done] [ 7782/ 4219 kb/s] [eta 00m:11s] Threads: 1: [V__] [86.7% done] [ 24084/ 0 kb/s] [eta 00m:04s] Threads: 1: [V__] [100.0% done] [ 20524/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=6708 read : io=100MiB, bw=3,739KiB/s, runt= 28040msec slat (msec): min= 0, max= 2533, avg=626.59, stdev=790.28 clat (msec): min= 0, max= 1437, avg=77.81, stdev=156.82 bw (KiB/s) : min= 7, max=24182, per=43.51%, avg=4880.43, stdev=7071.31 write: io=54,740KiB, bw=2,195KiB/s, runt= 25537msec slat (msec): min= 0, max= 828, avg= 1.04, stdev=28.40 clat (msec): min= 0, max= 1657, avg=102.29, stdev=217.19 bw (KiB/s) : min= 0, max=11662, per=54.78%, avg=3412.12, stdev=3529.73 cpu : usr=3.91%, sys=0.24%, ctx=2214 IO depths : 1=0.1%, 2=0.3%, 4=4.7%, 8=94.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=11.4%, 4=2.8%, 10=13.8%, 20=22.7%, 50=21.9%, 100=8.5% lat (msec): 250=9.1%, 500=5.1%, 750=2.1%, 1000=2.2%, >=2000=0.3% fio: (groupid=0): err= 0: pid=6709 read : io=100MiB, bw=4,463KiB/s, runt= 23492msec slat (msec): min= 0, max= 5750, avg=1279.80, stdev=1721.06 clat (msec): min= 0, max= 1068, avg=67.17, stdev=105.53 bw (KiB/s) : min= 111, max=20120, per=49.21%, avg=5519.82, stdev=4479.30 write: io=57,100KiB, bw=3,295KiB/s, runt= 17741msec slat (msec): min= 0, max= 688, avg= 0.88, stdev=24.29 clat (msec): min= 0, max= 875, avg=94.76, stdev=166.19 bw (KiB/s) : min= 0, max=11146, per=67.21%, avg=4186.32, stdev=3457.73 cpu : usr=4.61%, sys=0.27%, ctx=2080 IO depths : 1=0.2%, 2=0.4%, 4=7.1%, 8=92.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=11.1%, 4=1.3%, 10=10.0%, 20=17.3%, 50=23.7%, 100=13.2% lat (msec): 250=16.6%, 500=4.4%, 750=1.2%, 1000=0.9%, >=2000=0.2% fio: (groupid=0): err= 0: pid=6710 read : io=100MiB, bw=4,308KiB/s, runt= 24339msec slat (msec): min= 0, max= 5853, avg=1608.29, stdev=2048.38 clat (msec): min= 0, max= 958, avg=81.67, stdev=114.74 bw (KiB/s) : min= 15, max=13152, per=43.75%, avg=4908.23, stdev=3546.01 write: io=43,516KiB, bw=2,315KiB/s, runt= 19241msec slat (msec): min= 0, max= 12, avg= 0.09, stdev= 0.89 clat (msec): min= 0, max= 864, avg=86.18, stdev=150.75 bw (KiB/s) : min= 0, max=12784, per=50.88%, avg=3169.29, stdev=3200.37 cpu : usr=4.03%, sys=0.21%, ctx=2029 IO depths : 1=0.2%, 2=0.3%, 4=6.1%, 8=93.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=10.7%, 4=1.0%, 10=9.3%, 20=16.5%, 50=20.9%, 100=15.4% lat (msec): 250=18.8%, 500=5.1%, 750=1.4%, 1000=0.7%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,218KiB/s, minb=3,739KiB/s, maxb=4,463KiB/s, mint=23492msec, maxt=28040msec WRITE: io=152MiB, aggrb=6,229KiB/s, minb=2,195KiB/s, maxb=3,295KiB/s, mint=23492msec, maxt=28040msec Disk stats (read/write): sda: ios=5221/2826, merge=1221/371, ticks=373780/240260, in_queue=614032, util=92.87% 3.20user 0.34system 0:30.38elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2406minor)pagefaults 0swaps