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] [9.7% done] [ 10992/ 10352 kb/s] [eta 00m:28s] Threads: 3: [mmm] [14.3% done] [ 10804/ 7720 kb/s] [eta 00m:24s] Threads: 3: [mmm] [18.5% done] [ 14080/ 4392 kb/s] [eta 00m:22s] Threads: 3: [mmm] [22.2% done] [ 7832/ 8044 kb/s] [eta 00m:21s] Threads: 3: [mmm] [25.9% done] [ 15944/ 1212 kb/s] [eta 00m:20s] Threads: 3: [mmm] [28.6% done] [ 14136/ 0 kb/s] [eta 00m:20s] Threads: 3: [mmm] [32.1% done] [ 14556/ 0 kb/s] [eta 00m:19s] Threads: 3: [mmm] [35.7% done] [ 14048/ 1440 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 3356/ 11736 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 8072/ 6044 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 5692/ 8276 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 9904/ 2620 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 2616/ 8596 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 5560/ 6284 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 3456/ 7184 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 2552/ 6592 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 3240/ 6124 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 9844/ 0 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 4384/ 4576 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 8156/ 816 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19168/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 16300/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [80.6% done] [ 19572/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 20048/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [90.0% done] [ 18960/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=24000 read : io=100MiB, bw=3,714KiB/s, runt= 28231msec slat (msec): min= 0, max= 6085, avg=1487.16, stdev=2069.17 clat (msec): min= 0, max= 1048, avg=88.97, stdev=101.11 bw (KiB/s) : min= 33, max=16997, per=40.62%, avg=4526.25, stdev=3303.45 write: io=45,380KiB, bw=2,099KiB/s, runt= 22138msec slat (msec): min= 0, max= 3, avg= 0.06, stdev= 0.31 clat (msec): min= 0, max= 996, avg=104.94, stdev=116.04 bw (KiB/s) : min= 0, max= 9983, per=64.91%, avg=3299.54, stdev=2390.70 cpu : usr=3.44%, sys=0.24%, ctx=1818 IO depths : 1=0.2%, 2=0.7%, 4=16.2%, 8=82.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.7%, 10=6.1%, 20=14.7%, 50=22.7%, 100=20.1% lat (msec): 250=26.6%, 500=6.9%, 750=0.8%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24001 read : io=100MiB, bw=3,920KiB/s, runt= 26749msec slat (msec): min= 0, max= 6223, avg=1130.83, stdev=1889.30 clat (msec): min= 3, max= 589, avg=90.85, stdev=81.69 bw (KiB/s) : min= 2, max=12114, per=39.12%, avg=4358.63, stdev=2730.07 write: io=24,692KiB, bw=1,227KiB/s, runt= 20601msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.21 clat (msec): min= 0, max= 845, avg=98.78, stdev=102.90 bw (KiB/s) : min= 0, max= 5251, per=41.93%, avg=2131.45, stdev=1882.18 cpu : usr=3.11%, sys=0.25%, ctx=1821 IO depths : 1=0.1%, 2=0.2%, 4=12.0%, 8=87.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.4%, 10=2.3%, 20=10.9%, 50=23.8%, 100=27.1% lat (msec): 250=28.4%, 500=5.8%, 750=0.2%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24002 read : io=100MiB, bw=3,774KiB/s, runt= 27784msec slat (msec): min= 0, max= 6053, avg=1577.20, stdev=2111.27 clat (msec): min= 1, max= 535, avg=85.13, stdev=83.94 bw (KiB/s) : min= 130, max=10726, per=40.14%, avg=4472.31, stdev=2845.02 write: io=39,832KiB, bw=1,842KiB/s, runt= 22135msec slat (msec): min= 0, max= 7, avg= 0.07, stdev= 0.47 clat (msec): min= 0, max= 612, avg=104.41, stdev=93.29 bw (KiB/s) : min= 0, max= 6205, per=54.09%, avg=2749.31, stdev=1921.95 cpu : usr=3.28%, sys=0.29%, ctx=1875 IO depths : 1=0.1%, 2=0.2%, 4=16.9%, 8=82.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.0%, 4=0.5%, 10=3.7%, 20=13.5%, 50=23.2%, 100=23.4% lat (msec): 250=28.1%, 500=6.1%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,142KiB/s, minb=3,714KiB/s, maxb=3,920KiB/s, mint=26749msec, maxt=28231msec WRITE: io=107MiB, aggrb=5,083KiB/s, minb=1,227KiB/s, maxb=2,099KiB/s, mint=26749msec, maxt=28231msec Disk stats (read/write): sda: ios=4928/2050, merge=1517/302, ticks=456312/229532, in_queue=685860, util=99.43% 2.80user 0.28system 0:28.52elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2397minor)pagefaults 0swaps