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] [7.9% done] [ 8308/112344 kb/s] [eta 00m:35s] Threads: 3: [FmF] [40.0% done] [ 7448/107244 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 0/ 43908 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] [ 11380/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [69.6% done] [ 23280/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [73.9% done] [ 29172/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [81.8% done] [ 24128/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.5% done] [ 33688/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 34024/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 29776/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 36292/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 28132/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=13778 read : io=100MiB, bw=4,398KiB/s, runt= 23840msec clat (msec): min= 0, max= 280, avg= 6.26, stdev=28.34 bw (KiB/s) : min= 0, max=32203, per=64.82%, avg=8461.80, stdev=8041.45 write: io=95,524KiB, bw=6,782KiB/s, runt= 14421msec clat (msec): min= 0, max= 109, avg= 0.15, stdev= 3.08 bw (KiB/s) : min= 0, max=117932, per=254.22%, avg=48723.67, stdev=61576.82 cpu : usr=4.88%, sys=1.43%, ctx=882 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=86.3%, 4=4.7%, 10=5.1%, 20=1.1%, 50=1.2%, 100=0.4% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13779 read : io=100MiB, bw=4,514KiB/s, runt= 23228msec clat (msec): min= 0, max= 330, avg= 7.14, stdev=26.53 bw (KiB/s) : min= 11, max=22847, per=61.55%, avg=8034.52, stdev=6012.80 write: io=85,668KiB, bw=6,078KiB/s, runt= 14433msec clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=120692, per=314.86%, avg=60346.00, stdev=85342.13 cpu : usr=4.98%, sys=1.19%, ctx=1043 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=81.8%, 4=4.4%, 10=7.4%, 20=2.3%, 50=2.4%, 100=0.6% lat (msec): 250=1.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13780 read : io=100MiB, bw=4,351KiB/s, runt= 24097msec clat (msec): min= 0, max= 369, avg= 6.92, stdev=28.60 bw (KiB/s) : min= 1, max=18908, per=54.74%, avg=7145.25, stdev=4780.46 write: io=90,764KiB, bw=6,396KiB/s, runt= 14530msec clat (msec): min= 0, max= 17, avg= 0.01, stdev= 0.43 bw (KiB/s) : min= 0, max=37901, per=98.88%, avg=18950.50, stdev=26800.05 cpu : usr=4.95%, sys=1.39%, ctx=1020 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=82.8%, 4=5.2%, 10=6.9%, 20=1.6%, 50=1.9%, 100=0.5% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,054KiB/s, minb=4,351KiB/s, maxb=4,514KiB/s, mint=23228msec, maxt=24097msec WRITE: io=266MiB, aggrb=19,166KiB/s, minb=6,078KiB/s, maxb=6,782KiB/s, mint=23228msec, maxt=24097msec Disk stats (read/write): sda: ios=3602/1749, merge=1317/66171, ticks=88080/1728072, in_queue=1828456, util=99.22% 3.51user 0.96system 0:24.56elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1072minor)pagefaults 0swaps