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: [mmm] [9.1% done] [ 10109/ 55592 kb/s] [eta 00m:30s] Threads: 3: [Fmm] [12.1% done] [ 10134/ 29826 kb/s] [eta 00m:29s] Threads: 3: [Fmm] [33.3% done] [ 6050/ 57530 kb/s] [eta 00m:10s] Threads: 3: [FFF] [100.0% done] [ 142/ 77454 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] [69.6% done] [ 1779/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [68.0% done] [ 20118/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [75.0% done] [ 28185/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [82.6% done] [ 23576/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [87.0% done] [ 32780/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [95.5% done] [ 34544/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 33764/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 31532/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 22676/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=864 read : io=100MiB, bw=4,125KiB/s, runt= 25420msec clat (msec): min= 0, max= 312, avg= 6.67, stdev=30.76 bw (KiB/s) : min= 0, max=21058, per=61.71%, avg=7636.05, stdev=6011.19 write: io=96,176KiB, bw=6,182KiB/s, runt= 15929msec clat (msec): min= 0, max= 95, avg= 0.27, stdev= 3.41 bw (KiB/s) : min= 0, max=54361, per=123.94%, avg=20826.33, stdev=29324.15 cpu : usr=4.99%, sys=1.45%, ctx=838 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=85.8%, 4=4.8%, 10=5.5%, 20=1.0%, 50=1.2%, 100=0.5% lat (msec): 250=1.0%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=865 read : io=100MiB, bw=4,148KiB/s, runt= 25278msec clat (msec): min= 0, max= 329, avg= 7.87, stdev=28.54 bw (KiB/s) : min= 6, max=16767, per=56.48%, avg=6989.00, stdev=5173.24 write: io=84,360KiB, bw=5,424KiB/s, runt= 15925msec clat (msec): min= 0, max= 61, avg= 0.15, stdev= 2.20 bw (KiB/s) : min= 0, max=66019, per=131.03%, avg=22016.33, stdev=38107.43 cpu : usr=4.32%, sys=1.28%, 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=79.8%, 4=5.2%, 10=7.6%, 20=2.9%, 50=2.7%, 100=0.7% lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=866 read : io=100MiB, bw=4,174KiB/s, runt= 25118msec clat (msec): min= 0, max= 304, avg= 8.08, stdev=28.06 bw (KiB/s) : min= 7, max=16351, per=58.37%, avg=7222.77, stdev=4047.84 write: io=80,852KiB, bw=5,199KiB/s, runt= 15923msec clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=120119, per=357.43%, avg=60059.50, stdev=84936.96 cpu : usr=4.44%, sys=1.39%, ctx=988 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=80.0%, 4=5.0%, 10=7.8%, 20=2.1%, 50=2.9%, 100=1.0% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,375KiB/s, minb=4,125KiB/s, maxb=4,174KiB/s, mint=25118msec, maxt=25420msec WRITE: io=255MiB, aggrb=16,803KiB/s, minb=5,199KiB/s, maxb=6,182KiB/s, mint=25118msec, maxt=25420msec Disk stats (read/write): sda: ios=3713/2061, merge=1521/63290, ticks=91564/1729084, in_queue=1820652, util=99.38% 3.48user 1.04system 0:25.71elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1086minor)pagefaults 0swaps