fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [11.5% done] [ 5160/ 14616 kb/s] [eta 00m:23s] Threads: 3: [mmm] [15.4% done] [ 16468/ 3335 kb/s] [eta 00m:22s] Threads: 3: [mmm] [19.2% done] [ 15200/ 3104 kb/s] [eta 00m:21s] Threads: 3: [mmm] [22.2% done] [ 15616/ 1792 kb/s] [eta 00m:21s] Threads: 3: [mmm] [25.0% done] [ 13388/ 3952 kb/s] [eta 00m:21s] Threads: 3: [mmm] [29.6% done] [ 13504/ 3000 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 7192/ 6424 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 5516/ 7500 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 5768/ 9052 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 9176/ 4916 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 7464/ 5472 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 4784/ 8132 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 8696/ 3556 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 4928/ 5964 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 9500/ 2596 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 9036/ 1829 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 7776/ 2044 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 3592/ 5088 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 7068/ 2464 kb/s] [eta 00m:11s] Threads: 3: [VVV] [66.7% done] [ 5428/ 2556 kb/s] [eta 00m:11s] Threads: 3: [VVV] [69.7% done] [ 16592/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [72.7% done] [ 17756/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [78.1% done] [ 19008/ 0 kb/s] [eta 00m:07s] Threads: 2: [_VV] [83.9% done] [ 18124/ 0 kb/s] [eta 00m:05s] Threads: 1: [_EV] [93.1% done] [ 19608/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=27958 read : io=100MiB, bw=4,074KiB/s, runt= 25732msec slat (msec): min= 0, max= 3054, avg=309.73, stdev=736.81 clat (msec): min= 0, max= 746, avg=94.68, stdev=86.94 bw (KiB/s) : min= 89, max=10652, per=38.66%, avg=4275.04, stdev=2633.11 write: io=17,652KiB, bw=820KiB/s, runt= 22037msec slat (msec): min= 0, max= 3, avg= 0.10, stdev= 0.38 clat (msec): min= 0, max= 840, avg=138.14, stdev=142.61 bw (KiB/s) : min= 0, max= 5097, per=35.35%, avg=1765.31, stdev=1709.42 cpu : usr=3.09%, sys=0.34%, ctx=1756 IO depths : 1=0.2%, 2=0.2%, 4=8.7%, 8=91.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.3%, 10=2.2%, 20=8.6%, 50=23.3%, 100=28.1% lat (msec): 250=30.7%, 500=5.4%, 750=0.8%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27959 read : io=100MiB, bw=3,814KiB/s, runt= 27487msec slat (msec): min= 0, max= 6718, avg=1797.22, stdev=2379.60 clat (msec): min= 1, max= 583, avg=82.50, stdev=68.99 bw (KiB/s) : min= 21, max=10860, per=40.02%, avg=4425.50, stdev=3003.67 write: io=37,996KiB, bw=1,859KiB/s, runt= 20928msec slat (msec): min= 0, max= 17, avg= 0.18, stdev= 1.21 clat (msec): min= 0, max= 830, avg=99.58, stdev=113.43 bw (KiB/s) : min= 0, max= 9023, per=49.34%, avg=2464.00, stdev=2062.04 cpu : usr=3.55%, sys=0.31%, ctx=1861 IO depths : 1=0.1%, 2=0.2%, 4=15.8%, 8=83.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.7%, 4=0.8%, 10=3.9%, 20=13.1%, 50=23.3%, 100=23.5% lat (msec): 250=28.9%, 500=4.2%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27960 read : io=100MiB, bw=3,686KiB/s, runt= 28444msec slat (msec): min= 0, max= 6303, avg=2244.29, stdev=2411.36 clat (msec): min= 0, max= 663, avg=76.31, stdev=82.93 bw (KiB/s) : min= 15, max=19275, per=43.56%, avg=4817.54, stdev=4150.76 write: io=52,972KiB, bw=2,435KiB/s, runt= 22268msec slat (msec): min= 0, max= 3, avg= 0.06, stdev= 0.31 clat (msec): min= 0, max= 978, avg=105.30, stdev=108.59 bw (KiB/s) : min= 0, max=11256, per=62.55%, avg=3123.56, stdev=2333.15 cpu : usr=3.78%, sys=0.23%, ctx=1893 IO depths : 1=0.2%, 2=0.4%, 4=20.4%, 8=79.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.9%, 4=1.0%, 10=5.3%, 20=15.4%, 50=24.1%, 100=22.2% lat (msec): 250=25.4%, 500=4.8%, 750=0.7%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,059KiB/s, minb=3,686KiB/s, maxb=4,074KiB/s, mint=25732msec, maxt=28444msec WRITE: io=106MiB, aggrb=4,994KiB/s, minb=820KiB/s, maxb=2,435KiB/s, mint=25732msec, maxt=28444msec Disk stats (read/write): sda: ios=4945/2052, merge=1290/339, ticks=440268/246832, in_queue=687128, util=99.52% 2.89user 0.36system 0:28.73elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2398minor)pagefaults 0swaps