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] [15.8% done] [ 18876/ 2028 kb/s] [eta 00m:16s] Threads: 3: [mmm] [20.0% done] [ 15720/ 8408 kb/s] [eta 00m:16s] Threads: 3: [mmm] [26.3% done] [ 13972/ 12860 kb/s] [eta 00m:14s] Threads: 3: [mmm] [30.0% done] [ 14144/ 5924 kb/s] [eta 00m:14s] Threads: 3: [mmm] [35.0% done] [ 2536/ 18788 kb/s] [eta 00m:13s] Threads: 3: [mmm] [40.0% done] [ 11236/ 10752 kb/s] [eta 00m:12s] Threads: 3: [mmm] [42.9% done] [ 13928/ 7132 kb/s] [eta 00m:12s] Threads: 3: [mmm] [50.0% done] [ 22544/ 5768 kb/s] [eta 00m:10s] Threads: 3: [mmm] [55.0% done] [ 14688/ 6204 kb/s] [eta 00m:09s] Threads: 3: [mmm] [60.0% done] [ 5024/ 7580 kb/s] [eta 00m:08s] Threads: 3: [mmm] [61.9% done] [ 7632/ 1356 kb/s] [eta 00m:08s] Threads: 3: [mmm] [63.6% done] [ 4860/ 3756 kb/s] [eta 00m:08s] Threads: 3: [mmm] [65.2% done] [ 5748/ 3136 kb/s] [eta 00m:08s] Threads: 3: [mFF] [66.7% done] [ 4072/ 5604 kb/s] [eta 00m:08s] Threads: 3: [FFF] [100.0% done] [ 0/ 1660 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: 2: [_FF] [100.0% done] [ 28072/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5187 read : io=100MiB, bw=4,855KiB/s, runt= 21597msec clat (msec): min= 0, max= 287, avg= 6.50, stdev=32.95 bw (KiB/s) : min= 12, max=12166, per=36.38%, avg=4954.48, stdev=4123.34 write: io=28,072KiB, bw=1,341KiB/s, runt= 21434msec clat (msec): min= 0, max= 306, avg= 9.89, stdev=42.48 bw (KiB/s) : min= 0, max= 9067, per=53.33%, avg=2881.07, stdev=3254.40 cpu : usr=3.91%, sys=1.06%, ctx=3991 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=78.8%, 4=2.4%, 10=8.2%, 20=7.2%, 50=0.8%, 100=0.1% lat (msec): 250=1.7%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5188 read : io=100MiB, bw=4,607KiB/s, runt= 22758msec clat (msec): min= 0, max= 480, avg= 4.33, stdev=29.82 bw (KiB/s) : min= 6, max=11561, per=29.45%, avg=4010.20, stdev=4166.92 write: io=55,460KiB, bw=2,530KiB/s, runt= 22442msec clat (msec): min= 0, max= 318, avg= 8.85, stdev=41.05 bw (KiB/s) : min= 0, max=11674, per=80.72%, avg=4360.35, stdev=3805.95 cpu : usr=4.82%, sys=1.14%, ctx=3277 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=85.4%, 4=1.6%, 10=5.1%, 20=5.3%, 50=0.4%, 100=0.0% lat (msec): 250=1.4%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5189 read : io=100MiB, bw=4,539KiB/s, runt= 23100msec clat (msec): min= 0, max= 312, avg= 6.34, stdev=34.53 bw (KiB/s) : min= 18, max=11946, per=34.21%, avg=4658.26, stdev=3643.50 write: io=37,236KiB, bw=1,665KiB/s, runt= 22890msec clat (msec): min= 0, max= 283, avg= 9.88, stdev=41.45 bw (KiB/s) : min= 0, max=11011, per=76.26%, avg=4119.43, stdev=4398.13 cpu : usr=4.31%, sys=1.11%, ctx=3614 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=82.6%, 4=1.9%, 10=5.7%, 20=6.4%, 50=0.8%, 100=0.0% lat (msec): 250=1.9%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,617KiB/s, minb=4,539KiB/s, maxb=4,855KiB/s, mint=21597msec, maxt=23100msec WRITE: io=118MiB, aggrb=5,402KiB/s, minb=1,341KiB/s, maxb=2,530KiB/s, mint=21597msec, maxt=23100msec Disk stats (read/write): sda: ios=10699/1425, merge=0/28819, ticks=46060/1312912, in_queue=1358972, util=98.55% 2.93user 0.78system 0:23.43elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (10699major+97312minor)pagefaults 0swaps