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: [mFm] [42.9% done] [ 6160/ 65220 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 159/ 62519 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: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [69.6% done] [ 12116/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [70.8% done] [ 26956/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [78.3% done] [ 25028/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [86.4% done] [ 28740/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.9% done] [ 34596/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 38388/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 29448/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 36688/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 35556/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=12947 read : io=100MiB, bw=4,175KiB/s, runt= 25112msec clat (msec): min= 0, max= 248, avg= 6.47, stdev=27.66 bw (KiB/s) : min= 0, max=18334, per=65.30%, avg=8165.91, stdev=5857.27 write: io=96,904KiB, bw=6,376KiB/s, runt= 15562msec clat (msec): min= 0, max= 104, avg= 0.33, stdev= 3.82 bw (KiB/s) : min= 0, max=107705, per=155.92%, avg=29492.50, stdev=52362.99 cpu : usr=4.94%, sys=1.23%, ctx=903 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=84.4%, 4=4.1%, 10=7.0%, 20=1.7%, 50=1.1%, 100=0.3% lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12948 read : io=100MiB, bw=4,358KiB/s, runt= 24060msec clat (msec): min= 0, max= 309, avg= 5.35, stdev=25.45 bw (KiB/s) : min= 1, max=21233, per=80.91%, avg=10118.61, stdev=7325.16 write: io=97,488KiB, bw=6,416KiB/s, runt= 15558msec clat (msec): min= 0, max= 13, avg= 0.06, stdev= 0.69 bw (KiB/s) : min= 0, max=120037, per=263.87%, avg=49911.33, stdev=62519.48 cpu : usr=5.79%, sys=1.20%, ctx=845 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=85.5%, 4=4.2%, 10=7.1%, 20=0.8%, 50=1.2%, 100=0.5% lat (msec): 250=0.6%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12949 read : io=100MiB, bw=4,168KiB/s, runt= 25153msec clat (msec): min= 0, max= 276, avg= 6.42, stdev=26.93 bw (KiB/s) : min= 5, max=19732, per=64.69%, avg=8090.23, stdev=5985.26 write: io=93,068KiB, bw=6,125KiB/s, runt= 15558msec clat (msec): min= 0, max= 190, avg= 0.19, stdev= 4.88 bw (KiB/s) : min= 0, max=82460, per=169.80%, avg=32118.33, stdev=44147.26 cpu : usr=5.47%, sys=1.19%, ctx=980 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=83.7%, 4=4.3%, 10=7.2%, 20=1.4%, 50=1.7%, 100=0.5% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,506KiB/s, minb=4,168KiB/s, maxb=4,358KiB/s, mint=24060msec, maxt=25153msec WRITE: io=281MiB, aggrb=18,915KiB/s, minb=6,125KiB/s, maxb=6,416KiB/s, mint=24060msec, maxt=25153msec Disk stats (read/write): sda: ios=3327/2505, merge=1346/69267, ticks=83832/1890676, in_queue=1974668, util=97.82% 4.01user 0.97system 0:25.55elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1071minor)pagefaults 0swaps