fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [17.6% done] [ 21760/ 15723 kb/s] [eta 00m:14s] Threads: 3: [mmm] [23.5% done] [ 5210/ 25800 kb/s] [eta 00m:13s] Threads: 3: [mmm] [33.3% done] [ 23318/ 10663 kb/s] [eta 00m:10s] Threads: 3: [mmm] [37.5% done] [ 14925/ 19242 kb/s] [eta 00m:10s] Threads: 3: [mmm] [43.8% done] [ 19987/ 9275 kb/s] [eta 00m:09s] Threads: 3: [mmm] [50.0% done] [ 9763/ 15025 kb/s] [eta 00m:08s] Threads: 3: [mmm] [56.2% done] [ 7392/ 8971 kb/s] [eta 00m:07s] Threads: 3: [mmm] [62.5% done] [ 8425/ 6986 kb/s] [eta 00m:06s] Threads: 3: [FFm] [64.7% done] [ 7565/ 59 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 5131/ 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: [VFF] [90.0% done] [ 32886/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=3967 read : io=100MiB, bw=5,632KiB/s, runt= 18616msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 262, avg= 4.17, stdev=24.64 bw (KiB/s) : min= 11, max=13600, per=38.91%, avg=6320.88, stdev=5358.04 write: io=42,664KiB, bw=2,378KiB/s, runt= 18370msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 252, avg= 5.83, stdev=27.47 bw (KiB/s) : min= 0, max=21607, per=100.00%, avg=8117.00, stdev=7815.81 cpu : usr=5.14%, sys=1.48%, ctx=2567 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=87.3%, 4=1.0%, 8=3.5%, 16=4.0%, 32=1.9%, 64=0.2%, 128=0.5% lat (msec): 256=1.4%, 512=0.0%, 1024=0.0%, >=2048=0.0% fio: (groupid=0): err= 0: pid=3968 read : io=100MiB, bw=5,415KiB/s, runt= 19363msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 261, avg= 2.55, stdev=19.45 bw (KiB/s) : min= 2, max=14445, per=26.66%, avg=4330.92, stdev=5141.58 write: io=70,932KiB, bw=3,830KiB/s, runt= 18963msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 264, avg= 5.96, stdev=29.26 bw (KiB/s) : min= 0, max=15061, per=101.25%, avg=8218.31, stdev=5410.03 cpu : usr=6.01%, sys=1.47%, ctx=2729 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=89.7%, 4=1.0%, 8=2.7%, 16=3.5%, 32=1.3%, 64=0.1%, 128=0.4% lat (msec): 256=1.2%, 512=0.1%, 1024=0.0%, >=2048=0.0% fio: (groupid=0): err= 0: pid=3969 read : io=100MiB, bw=5,448KiB/s, runt= 19244msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 952, avg= 4.27, stdev=32.10 bw (KiB/s) : min= 12, max=18773, per=42.73%, avg=6941.65, stdev=6574.71 write: io=37,260KiB, bw=2,005KiB/s, runt= 19029msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 276, avg= 5.86, stdev=31.84 bw (KiB/s) : min= 0, max=10933, per=70.67%, avg=5736.00, stdev=4545.46 cpu : usr=5.13%, sys=1.33%, ctx=2576 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=87.7%, 4=1.6%, 8=3.3%, 16=3.7%, 32=1.5%, 64=0.1%, 128=0.5% lat (msec): 256=1.2%, 512=0.2%, 1024=0.0%, >=2048=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=16,246KiB/s, minb=5,415KiB/s, maxb=5,632KiB/s, mint=18616msec, maxt=19363msec WRITE: io=147MiB, aggrb=8,117KiB/s, minb=2,005KiB/s, maxb=3,830KiB/s, mint=18616msec, maxt=19363msec Disk stats (read/write): sda: ios=7557/1560, merge=0/36195, ticks=31332/1286660, in_queue=1317988, util=97.49% 3.11user 0.90system 0:19.69elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (7556major+107955minor)pagefaults 0swaps