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: [Fmm] [50.0% done] [ 8919/116947 kb/s] [eta 00m:03s] Threads: 3: [FmF] [50.0% done] [ 861/ 6651 kb/s] [eta 00m:04s] Threads: 3: [FmF] [50.0% done] [ 459/ 0 kb/s] [eta 00m:05s] Threads: 3: [FFF] [100.0% done] [ 341/ 29391 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] [ 1468/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [68.2% done] [ 16168/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [76.2% done] [ 31648/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [81.0% done] [ 29480/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.0% done] [ 25936/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.0% done] [ 35424/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 34204/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33832/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 29624/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 33764/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=19601 read : io=100MiB, bw=4,435KiB/s, runt= 23639msec clat (msec): min= 0, max= 265, avg= 6.44, stdev=28.50 bw (KiB/s) : min= 7, max=21029, per=60.25%, avg=8016.91, stdev=5636.77 write: io=94,460KiB, bw=6,902KiB/s, runt= 14013msec clat (msec): min= 0, max= 37, avg= 0.10, stdev= 1.53 bw (KiB/s) : min= 0, max=24399, per=60.31%, avg=12199.50, stdev=17252.70 cpu : usr=5.23%, sys=1.22%, ctx=826 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=4.5%, 10=6.0%, 20=1.5%, 50=1.0%, 100=0.5% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19602 read : io=100MiB, bw=4,565KiB/s, runt= 22968msec clat (msec): min= 0, max= 265, avg= 7.96, stdev=28.18 bw (KiB/s) : min= 22, max=23472, per=53.19%, avg=7078.31, stdev=5981.51 write: io=86,660KiB, bw=6,334KiB/s, runt= 14009msec clat (msec): min= 0, max= 4, avg= 0.00, stdev= 0.10 bw (KiB/s) : min= 0, max=17698, per=43.74%, avg=8849.00, stdev=12514.38 cpu : usr=5.57%, sys=1.50%, ctx=957 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=81.0%, 4=5.0%, 10=7.2%, 20=2.6%, 50=2.0%, 100=0.7% lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19603 read : io=100MiB, bw=4,463KiB/s, runt= 23493msec clat (msec): min= 0, max= 258, avg= 6.74, stdev=27.40 bw (KiB/s) : min= 23, max=20864, per=60.41%, avg=8039.33, stdev=5662.70 write: io=96,064KiB, bw=7,010KiB/s, runt= 14031msec clat (msec): min= 0, max= 42, avg= 0.17, stdev= 2.02 bw (KiB/s) : min= 0, max=60416, per=145.39%, avg=29410.67, stdev=30239.55 cpu : usr=5.23%, sys=1.45%, ctx=893 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=82.1%, 4=5.2%, 10=7.7%, 20=1.7%, 50=1.6%, 100=0.4% lat (msec): 250=1.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,307KiB/s, minb=4,435KiB/s, maxb=4,565KiB/s, mint=22968msec, maxt=23639msec WRITE: io=271MiB, aggrb=20,229KiB/s, minb=6,334KiB/s, maxb=7,010KiB/s, mint=22968msec, maxt=23639msec Disk stats (read/write): sda: ios=3411/1765, merge=1385/67399, ticks=71696/1613648, in_queue=1687568, util=99.14% 3.75user 1.03system 0:23.91elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1072minor)pagefaults 0swaps