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] [42.9% done] [ 10096/ 70336 kb/s] [eta 00m:04s] Threads: 3: [Fmm] [44.4% done] [ 4172/ 36132 kb/s] [eta 00m:05s] Threads: 3: [FmF] [45.5% done] [ 3292/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 208/ 37588 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: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [68.0% done] [ 11584/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [75.0% done] [ 30832/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [82.6% done] [ 26844/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.9% done] [ 29736/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.5% done] [ 34540/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 38416/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33716/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 26192/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 32720/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=28631 read : io=100MiB, bw=4,091KiB/s, runt= 25628msec clat (msec): min= 0, max= 330, avg= 5.57, stdev=27.64 bw (KiB/s) : min= 0, max=23047, per=73.08%, avg=8927.20, stdev=7033.23 write: io=99,148KiB, bw=6,197KiB/s, runt= 16381msec clat (msec): min= 0, max= 114, avg= 0.36, stdev= 4.21 bw (KiB/s) : min= 0, max=42473, per=75.76%, avg=12952.75, stdev=20131.52 cpu : usr=4.87%, sys=1.30%, ctx=834 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=86.4%, 4=4.5%, 10=5.6%, 20=1.1%, 50=1.0%, 100=0.2% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28632 read : io=100MiB, bw=4,072KiB/s, runt= 25749msec clat (msec): min= 0, max= 334, avg= 8.27, stdev=31.68 bw (KiB/s) : min= 13, max=18020, per=57.36%, avg=7007.00, stdev=5102.55 write: io=87,716KiB, bw=5,484KiB/s, runt= 16377msec clat (msec): min= 0, max= 16, avg= 0.05, stdev= 0.74 bw (KiB/s) : min= 0, max=12563, per=36.74%, avg=6281.50, stdev=8883.38 cpu : usr=4.27%, sys=1.26%, ctx=978 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=80.5%, 4=4.8%, 10=8.2%, 20=2.4%, 50=1.8%, 100=0.9% lat (msec): 250=0.9%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28633 read : io=100MiB, bw=4,076KiB/s, runt= 25724msec clat (msec): min= 0, max= 326, avg= 7.38, stdev=28.41 bw (KiB/s) : min= 1, max=22536, per=61.34%, avg=7493.12, stdev=5576.90 write: io=86,652KiB, bw=5,418KiB/s, runt= 16377msec clat (msec): min= 0, max= 182, avg= 0.18, stdev= 5.08 bw (KiB/s) : min= 0, max=73965, per=211.15%, avg=36100.33, stdev=37014.05 cpu : usr=4.51%, sys=1.43%, ctx=1038 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=79.9%, 4=4.9%, 10=9.0%, 20=2.6%, 50=1.8%, 100=0.4% lat (msec): 250=1.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,216KiB/s, minb=4,072KiB/s, maxb=4,091KiB/s, mint=25628msec, maxt=25749msec WRITE: io=267MiB, aggrb=17,097KiB/s, minb=5,418KiB/s, maxb=6,197KiB/s, mint=25628msec, maxt=25749msec Disk stats (read/write): sda: ios=3605/2500, merge=1553/65856, ticks=84704/1944564, in_queue=2029264, util=99.23% 3.51user 1.03system 0:26.03elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1090minor)pagefaults 0swaps