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: [mFF] [60.0% done] [ 260/113346 kb/s] [eta 00m:02s] Threads: 3: [mFF] [66.7% done] [ 748/ 0 kb/s] [eta 00m:02s] Threads: 3: [mFF] [62.5% done] [ 720/ 0 kb/s] [eta 00m:03s] Threads: 3: [mFF] [60.0% done] [ 1676/ 0 kb/s] [eta 00m:04s] Threads: 3: [mFF] [63.6% done] [ 2344/ 0 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 2762/ 6414 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] [ 0/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [68.0% done] [ 19728/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [72.0% done] [ 27636/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [82.6% done] [ 33140/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.9% done] [ 30616/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.5% done] [ 32332/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 35252/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30524/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 37024/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 33304/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=11546 read : io=100MiB, bw=4,201KiB/s, runt= 24956msec clat (msec): min= 0, max= 281, avg= 8.45, stdev=31.38 bw (KiB/s) : min= 21, max=15167, per=46.77%, avg=5749.93, stdev=5103.01 write: io=89,324KiB, bw=5,662KiB/s, runt= 16152msec clat (msec): min= 0, max= 103, avg= 0.16, stdev= 2.97 bw (KiB/s) : min= 0, max=55954, per=91.51%, avg=16471.75, stdev=26693.36 cpu : usr=4.52%, sys=1.51%, ctx=1272 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=79.7%, 4=6.3%, 10=8.9%, 20=1.0%, 50=0.9%, 100=1.8% lat (msec): 250=1.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11547 read : io=100MiB, bw=4,147KiB/s, runt= 25284msec clat (msec): min= 0, max= 286, avg= 6.34, stdev=30.26 bw (KiB/s) : min= 8, max=13003, per=71.13%, avg=8744.56, stdev=4172.47 write: io=93,888KiB, bw=5,950KiB/s, runt= 16157msec clat (msec): min= 0, max= 11, avg= 0.01, stdev= 0.30 bw (KiB/s) : min= 0, max=104980, per=291.63%, avg=52490.00, stdev=74232.07 cpu : usr=4.98%, sys=1.22%, 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=84.0%, 4=5.2%, 10=7.6%, 20=1.2%, 50=0.5%, 100=0.4% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11548 read : io=100MiB, bw=4,098KiB/s, runt= 25587msec clat (msec): min= 0, max= 307, avg= 5.52, stdev=29.59 bw (KiB/s) : min= 12, max=23303, per=83.38%, avg=10250.88, stdev=6613.62 write: io=99MiB, bw=6,397KiB/s, runt= 16170msec clat (msec): min= 0, max= 24, avg= 0.16, stdev= 1.68 bw (KiB/s) : min= 0, max=114384, per=325.83%, avg=58646.00, stdev=57247.42 cpu : usr=5.07%, sys=1.30%, 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=86.5%, 4=4.3%, 10=6.7%, 20=0.8%, 50=0.4%, 100=0.2% lat (msec): 250=0.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,294KiB/s, minb=4,098KiB/s, maxb=4,201KiB/s, mint=24956msec, maxt=25587msec WRITE: io=278MiB, aggrb=17,999KiB/s, minb=5,662KiB/s, maxb=6,397KiB/s, mint=24956msec, maxt=25587msec Disk stats (read/write): sda: ios=3488/2071, merge=1326/68773, ticks=113772/1976512, in_queue=2097040, util=98.93% 3.68user 1.04system 0:26.06elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1071minor)pagefaults 0swaps