fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [FFF] [100.0% done] [ 2796/122781 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: [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: [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: [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: [VVV] [68.2% done] [ 716/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [69.6% done] [ 23197/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [77.3% done] [ 28081/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [85.7% done] [ 32819/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.5% done] [ 31165/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.2% done] [ 37179/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 32618/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 34528/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 37222/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=16982 read : io=100MiB, bw=4,303KiB/s, runt= 24365msec clat (msec): min= 0, max= 269, avg= 6.08, stdev=30.09 bw (KiB/s) : min= 0, max=15223, per=70.69%, avg=9013.72, stdev=4509.11 write: io=95,036KiB, bw=6,395KiB/s, runt= 15217msec clat (msec): min= 0, max= 3, avg= 0.00, stdev= 0.11 bw (KiB/s) : min= 0, max=118554, per=304.44%, avg=59277.00, stdev=83830.34 cpu : usr=5.09%, sys=1.23%, ctx=909 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=86.1%, 4=4.2%, 10=6.4%, 20=1.1%, 50=0.9%, 100=0.3% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16983 read : io=100MiB, bw=4,348KiB/s, runt= 24115msec clat (msec): min= 0, max= 568, avg= 5.74, stdev=30.73 bw (KiB/s) : min= 6, max=14427, per=68.99%, avg=8796.33, stdev=4811.24 write: io=97,456KiB, bw=6,559KiB/s, runt= 15213msec clat (msec): min= 0, max= 25, avg= 0.26, stdev= 2.14 bw (KiB/s) : min= 0, max=28252, per=96.46%, avg=18781.00, stdev=16265.02 cpu : usr=5.08%, sys=1.21%, ctx=1003 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=83.8%, 4=4.2%, 10=8.2%, 20=1.8%, 50=0.7%, 100=0.2% lat (msec): 250=0.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16984 read : io=100MiB, bw=4,250KiB/s, runt= 24670msec clat (msec): min= 0, max= 276, avg= 6.13, stdev=30.10 bw (KiB/s) : min= 11, max=15393, per=63.07%, avg=8042.61, stdev=5511.45 write: io=96,860KiB, bw=6,519KiB/s, runt= 15213msec clat (msec): min= 0, max= 21, avg= 0.06, stdev= 0.94 bw (KiB/s) : min= 0, max=96750, per=248.36%, avg=48357.50, stdev=55825.17 cpu : usr=4.90%, sys=1.43%, ctx=979 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=84.9%, 4=4.1%, 10=7.4%, 20=1.6%, 50=0.7%, 100=0.3% lat (msec): 250=0.7%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,751KiB/s, minb=4,250KiB/s, maxb=4,348KiB/s, mint=24115msec, maxt=24670msec WRITE: io=283MiB, aggrb=19,471KiB/s, minb=6,395KiB/s, maxb=6,559KiB/s, mint=24115msec, maxt=24670msec Disk stats (read/write): sda: ios=3289/1937, merge=1181/70403, ticks=101304/1722356, in_queue=1823960, util=99.26% 3.67user 1.00system 0:25.18elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1069minor)pagefaults 0swaps