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] [60.0% done] [ 520/ 0 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 195/ 13234 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] [ 2226/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVF] [66.7% done] [ 4266/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVF] [81.8% done] [ 32715/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVF] [90.9% done] [ 36100/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVF] [100.0% done] [ 30179/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVF] [100.0% done] [ 31882/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVF] [100.0% done] [ 29725/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_F] [100.0% done] [ 31756/ 0 kb/s] [eta 00m:00s] Threads: 1: [__F] [100.0% done] [ 1771/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [72.7% done] [ 7139/ 0 kb/s] [eta 00m:06s] Threads: 1: [__V] [100.0% done] [ 47473/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=20088 read : io=100MiB, bw=7,430KiB/s, runt= 14112msec slat (msec): min= 171, max=12533, avg=9705.90, stdev=2072.32 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 12, max=26986, per=81.66%, avg=14288.50, stdev=7531.18 write: io=99,196KiB, bw=13,145KiB/s, runt= 7727msec slat (msec): min= 0, max= 14, avg= 1.98, stdev= 2.09 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=107276, per=279.92%, avg=53638.00, stdev=75855.59 cpu : usr=8.96%, sys=2.89%, ctx=750 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=20089 read : io=100MiB, bw=7,901KiB/s, runt= 13270msec slat (msec): min= 103, max=11576, avg=8694.86, stdev=2119.45 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 2, max=31413, per=75.76%, avg=13256.00, stdev=8525.53 write: io=98,264KiB, bw=16,823KiB/s, runt= 5981msec slat (msec): min= 0, max= 12, avg= 2.35, stdev= 2.36 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=106792, per=306.03%, avg=58641.33, stdev=54163.40 cpu : usr=10.58%, sys=3.32%, ctx=762 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=20090 read : io=100MiB, bw=5,832KiB/s, runt= 17978msec slat (msec): min= 30, max=14683, avg=13016.89, stdev=2948.06 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=47350, per=136.57%, avg=23896.50, stdev=24663.28 write: io=97,868KiB, bw=6,350KiB/s, runt= 15782msec slat (msec): min= 0, max= 12, avg= 2.55, stdev= 2.45 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=54592, per=119.97%, avg=22989.33, stdev=28296.89 cpu : usr=7.61%, sys=2.34%, ctx=805 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=17,497KiB/s, minb=5,832KiB/s, maxb=7,901KiB/s, mint=13270msec, maxt=17978msec WRITE: io=288MiB, aggrb=19,162KiB/s, minb=6,350KiB/s, maxb=16,823KiB/s, mint=13270msec, maxt=17978msec Disk stats (read/write): sda: ios=2640/1415, merge=1300/72182, ticks=26356/2027264, in_queue=2077556, util=95.40% 4.06user 1.30system 0:18.61elapsed 28%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2407minor)pagefaults 0swaps