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: [FFm] [50.0% done] [ 589/ 17062 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 900/ 32828 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] [66.7% done] [ 144/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [71.4% done] [ 20472/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [76.2% done] [ 30148/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [85.0% done] [ 37292/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.0% done] [ 31588/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.0% done] [ 37392/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 35704/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 35840/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 29540/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 33976/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=19655 read : io=100MiB, bw=4,555KiB/s, runt= 23019msec clat (msec): min= 0, max= 286, avg= 4.96, stdev=25.55 bw (KiB/s) : min= 0, max=21225, per=79.58%, avg=10568.31, stdev=6493.06 write: io=99MiB, bw=7,251KiB/s, runt= 14279msec clat (msec): min= 0, max= 88, avg= 0.29, stdev= 3.34 bw (KiB/s) : min= 0, max=103479, per=184.70%, avg=38918.67, stdev=56303.62 cpu : usr=5.61%, sys=1.51%, ctx=774 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=87.5%, 4=4.5%, 10=5.2%, 20=0.6%, 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=19656 read : io=100MiB, bw=4,477KiB/s, runt= 23417msec clat (msec): min= 0, max= 326, avg= 5.43, stdev=26.67 bw (KiB/s) : min= 18, max=18407, per=74.17%, avg=9850.06, stdev=5735.64 write: io=99,816KiB, bw=7,158KiB/s, runt= 14279msec clat (msec): min= 0, max= 67, avg= 0.14, stdev= 2.33 bw (KiB/s) : min= 0, max=118571, per=310.66%, avg=65459.33, stdev=60242.17 cpu : usr=5.16%, sys=1.32%, ctx=829 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=85.9%, 4=5.0%, 10=6.2%, 20=0.8%, 50=0.8%, 100=0.2% lat (msec): 250=1.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19657 read : io=100MiB, bw=4,426KiB/s, runt= 23686msec clat (msec): min= 0, max= 444, avg= 6.87, stdev=30.63 bw (KiB/s) : min= 5, max=17743, per=58.82%, avg=7810.65, stdev=5848.39 write: io=92,892KiB, bw=6,661KiB/s, runt= 14279msec clat (msec): min= 0, max= 67, avg= 0.27, stdev= 2.90 bw (KiB/s) : min= 0, max=23578, per=46.58%, avg=9814.33, stdev=12275.11 cpu : usr=5.32%, sys=1.40%, ctx=877 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=83.2%, 4=5.3%, 10=7.0%, 20=1.5%, 50=1.0%, 100=0.7% lat (msec): 250=1.0%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,280KiB/s, minb=4,426KiB/s, maxb=4,555KiB/s, mint=23019msec, maxt=23686msec WRITE: io=287MiB, aggrb=21,071KiB/s, minb=6,661KiB/s, maxb=7,251KiB/s, mint=23019msec, maxt=23686msec Disk stats (read/write): sda: ios=3121/2385, merge=1588/70826, ticks=76108/1769412, in_queue=1851840, util=98.47% 3.76user 1.04system 0:24.29elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1070minor)pagefaults 0swaps