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] [33.3% done] [ 10228/ 78116 kb/s] [eta 00m:06s] Threads: 3: [Fmm] [40.0% done] [ 8148/ 53068 kb/s] [eta 00m:06s] Threads: 3: [FFm] [50.0% done] [ 1836/ 42636 kb/s] [eta 00m:05s] Threads: 3: [FFm] [50.0% done] [ 904/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 144/ 29060 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] [ 760/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [68.0% done] [ 20588/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [72.0% done] [ 23292/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [76.0% done] [ 28608/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.3% done] [ 26120/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [91.3% done] [ 33292/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 34724/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30305/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 32044/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 29496/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=32120 read : io=100MiB, bw=4,075KiB/s, runt= 25730msec clat (msec): min= 0, max= 383, avg= 6.90, stdev=29.98 bw (KiB/s) : min= 0, max=20056, per=67.05%, avg=8197.17, stdev=6271.47 write: io=92,036KiB, bw=5,854KiB/s, runt= 16098msec clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=118555, per=349.29%, avg=59277.50, stdev=83831.04 cpu : usr=4.77%, sys=1.18%, ctx=906 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=3.5%, 10=6.3%, 20=1.3%, 50=0.9%, 100=0.6% lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32121 read : io=100MiB, bw=4,214KiB/s, runt= 24879msec clat (msec): min= 0, max= 350, avg= 7.13, stdev=27.04 bw (KiB/s) : min= 18, max=22622, per=64.71%, avg=7911.22, stdev=6395.24 write: io=89,412KiB, bw=5,688KiB/s, runt= 16094msec clat (msec): min= 0, max= 32, avg= 0.06, stdev= 1.18 bw (KiB/s) : min= 0, max=95731, per=188.08%, avg=31918.33, stdev=55263.39 cpu : usr=4.86%, sys=1.21%, ctx=1068 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=80.8%, 4=5.3%, 10=7.5%, 20=2.3%, 50=2.3%, 100=0.6% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32122 read : io=100MiB, bw=4,097KiB/s, runt= 25591msec clat (msec): min= 0, max= 342, avg= 8.59, stdev=29.48 bw (KiB/s) : min= 18, max=17486, per=49.16%, avg=6010.07, stdev=5077.78 write: io=85,356KiB, bw=5,430KiB/s, runt= 16094msec clat (msec): min= 0, max= 11, avg= 0.01, stdev= 0.30 bw (KiB/s) : min= 0, max=12279, per=36.18%, avg=6139.50, stdev=8682.56 cpu : usr=4.66%, sys=1.11%, ctx=1190 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=79.3%, 4=4.7%, 10=8.6%, 20=2.6%, 50=2.7%, 100=0.8% lat (msec): 250=1.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,225KiB/s, minb=4,075KiB/s, maxb=4,214KiB/s, mint=24879msec, maxt=25730msec WRITE: io=261MiB, aggrb=16,971KiB/s, minb=5,430KiB/s, maxb=5,854KiB/s, mint=24879msec, maxt=25730msec Disk stats (read/write): sda: ios=3835/2324, merge=1389/64340, ticks=82840/1761600, in_queue=1844444, util=99.05% 3.63user 0.89system 0:25.99elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1076minor)pagefaults 0swaps