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: [FFF] [100.0% done] [ 588/ 47236 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: [FVF] [70.0% done] [ 0/ 0 kb/s] [eta 00m:03s] Threads: 3: [FVF] [72.7% done] [ 5916/ 0 kb/s] [eta 00m:03s] Threads: 3: [FVF] [81.8% done] [ 8936/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVF] [66.7% done] [ 12448/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVF] [78.6% done] [ 31788/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVF] [85.7% done] [ 36328/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVF] [100.0% done] [ 30556/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_F] [100.0% done] [ 26532/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_F] [100.0% done] [ 20760/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [84.2% done] [ 41120/ 0 kb/s] [eta 00m:03s] Threads: 1: [__V] [100.0% done] [ 46357/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=2272 read : io=100MiB, bw=6,640KiB/s, runt= 15791msec slat (msec): min= 45, max=13824, avg=11084.94, stdev=2819.00 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=37065, per=83.18%, avg=14604.83, stdev=11310.56 write: io=94,224KiB, bw=9,745KiB/s, runt= 9900msec slat (msec): min= 0, max= 43, avg= 2.02, stdev= 2.73 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=109207, per=283.61%, avg=54603.50, stdev=77221.01 cpu : usr=7.98%, sys=2.94%, ctx=860 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=2273 read : io=100MiB, bw=7,629KiB/s, runt= 13743msec slat (msec): min= 166, max=12233, avg=9620.14, stdev=2028.73 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 26, max=25504, per=75.88%, avg=13324.43, stdev=8107.34 write: io=99,376KiB, bw=15,304KiB/s, runt= 6649msec slat (msec): min= 0, max= 14, avg= 2.18, stdev= 2.25 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=104456, per=271.27%, avg=52228.00, stdev=73861.55 cpu : usr=9.28%, sys=3.06%, ctx=776 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=2275 read : io=100MiB, bw=5,853KiB/s, runt= 17915msec slat (msec): min= 11, max=15235, avg=13563.73, stdev=3041.38 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 17, max=47402, per=136.08%, avg=23895.12, stdev=23164.58 write: io=94,940KiB, bw=6,335KiB/s, runt= 15346msec slat (msec): min= 0, max= 15, avg= 2.11, stdev= 2.24 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=107451, per=186.55%, avg=35916.67, stdev=61950.73 cpu : usr=6.83%, sys=2.05%, ctx=908 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=17,559KiB/s, minb=5,853KiB/s, maxb=7,629KiB/s, mint=13743msec, maxt=17915msec WRITE: io=282MiB, aggrb=19,253KiB/s, minb=6,335KiB/s, maxb=15,304KiB/s, mint=13743msec, maxt=17915msec Disk stats (read/write): sda: ios=2794/1234, merge=1159/70709, ticks=26448/1655180, in_queue=1883304, util=96.77% 3.81user 1.32system 0:18.33elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2393minor)pagefaults 0swaps