fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [FmF] [25.0% done] [ 1228/ 0 kb/s] [eta 00m:09s] Threads: 3: [FmF] [26.7% done] [ 1156/ 0 kb/s] [eta 00m:11s] Threads: 3: [FmF] [26.3% done] [ 788/ 0 kb/s] [eta 00m:14s] Threads: 3: [FmF] [28.6% done] [ 1944/ 768 kb/s] [eta 00m:15s] Threads: 3: [FmF] [36.8% done] [ 1508/ 12292 kb/s] [eta 00m:12s] Threads: 3: [FmF] [38.1% done] [ 1248/ 0 kb/s] [eta 00m:13s] Threads: 3: [FmF] [50.0% done] [ 440/ 16268 kb/s] [eta 00m:09s] Threads: 3: [FmV] [52.6% done] [ 5757/ 3331 kb/s] [eta 00m:09s] Threads: 3: [FmV] [52.4% done] [ 23656/ 0 kb/s] [eta 00m:10s] Threads: 3: [FmV] [52.2% done] [ 28720/ 188 kb/s] [eta 00m:11s] Threads: 3: [FmV] [54.2% done] [ 29904/ 0 kb/s] [eta 00m:11s] Threads: 2: [Fm_] [53.8% done] [ 17072/ 0 kb/s] [eta 00m:12s] Threads: 2: [Fm_] [55.6% done] [ 948/ 0 kb/s] [eta 00m:12s] Threads: 2: [Vm_] [55.2% done] [ 19456/ 0 kb/s] [eta 00m:13s] Threads: 2: [Vm_] [54.8% done] [ 26188/ 0 kb/s] [eta 00m:14s] Threads: 2: [Vm_] [66.7% done] [ 21896/ 16096 kb/s] [eta 00m:09s] Threads: 2: [VF_] [100.0% done] [ 17932/ 984 kb/s] [eta 00m:00s] Threads: 1: [EF_] [100.0% done] [ 15164/ 0 kb/s] [eta 00m:00s] Threads: 1: [_F_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 1: [_V_] [81.5% done] [ 20620/ 0 kb/s] [eta 00m:05s] Threads: 1: [_V_] [100.0% done] [ 32308/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=11978 read : io=100MiB, bw=5,112KiB/s, runt= 20512msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 439, avg=25.45, stdev=37.29 bw (KiB/s) : min= 5, max=31604, per=133.94%, avg=17097.91, stdev=10133.98 write: io=97,936KiB, bw=6,463KiB/s, runt= 15516msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 383, avg= 1.39, stdev=18.65 bw (KiB/s) : min= 0, max=93840, per=359.60%, avg=46920.00, stdev=66354.90 cpu : usr=4.43%, sys=1.77%, ctx=4848 IO depths : 1=1.6%, 2=56.8%, 4=30.3%, 8=11.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.1%, 4=2.3%, 10=17.7%, 20=12.7%, 50=11.4%, 100=4.1% lat (msec): 250=2.5%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11979 read : io=100MiB, bw=4,254KiB/s, runt= 24641msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1243, avg=93.62, stdev=184.66 bw (KiB/s) : min= 5, max=33743, per=36.56%, avg=4666.93, stdev=9467.90 write: io=79,020KiB, bw=3,712KiB/s, runt= 21796msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 540, avg= 7.19, stdev=46.44 bw (KiB/s) : min= 0, max=13891, per=36.82%, avg=4803.86, stdev=5087.65 cpu : usr=3.08%, sys=1.70%, ctx=5361 IO depths : 1=1.2%, 2=47.0%, 4=31.7%, 8=20.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=40.2%, 4=2.9%, 10=15.1%, 20=18.6%, 50=9.5%, 100=1.4% lat (msec): 250=3.4%, 500=5.1%, 750=2.7%, 1000=0.7%, >=2000=0.1% fio: (groupid=0): err= 0: pid=11980 read : io=100MiB, bw=7,404KiB/s, runt= 14162msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 318, avg=22.36, stdev=32.41 bw (KiB/s) : min= 5, max=30947, per=134.33%, avg=17146.73, stdev=12295.55 write: io=98MiB, bw=10,635KiB/s, runt= 9704msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 119, avg= 0.58, stdev= 5.49 bw (KiB/s) : min= 0, max=59180, per=226.78%, avg=29590.00, stdev=41846.58 cpu : usr=5.85%, sys=2.99%, ctx=4161 IO depths : 1=1.4%, 2=54.4%, 4=32.2%, 8=11.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=50.1%, 4=0.8%, 10=17.8%, 20=15.3%, 50=10.7%, 100=3.5% lat (msec): 250=1.5%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,765KiB/s, minb=4,254KiB/s, maxb=7,404KiB/s, mint=14162msec, maxt=24641msec WRITE: io=271MiB, aggrb=13,048KiB/s, minb=3,712KiB/s, maxb=10,635KiB/s, mint=14162msec, maxt=24641msec Disk stats (read/write): sda: ios=3524/2079, merge=1367/67294, ticks=68296/2687152, in_queue=2755448, util=98.88% 2.54user 1.26system 0:25.00elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2478minor)pagefaults 0swaps