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] [10.3% done] [ 8700/ 11364 kb/s] [eta 00m:26s] Threads: 3: [mmm] [16.0% done] [ 10516/ 9640 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.0% done] [ 10388/ 8708 kb/s] [eta 00m:20s] Threads: 3: [mmm] [25.0% done] [ 9104/ 8440 kb/s] [eta 00m:18s] Threads: 3: [mmm] [28.0% done] [ 8688/ 8276 kb/s] [eta 00m:18s] Threads: 3: [mmm] [32.0% done] [ 13520/ 2076 kb/s] [eta 00m:17s] Threads: 3: [mmm] [34.6% done] [ 9792/ 7164 kb/s] [eta 00m:17s] Threads: 3: [mmm] [38.5% done] [ 9092/ 7792 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.3% done] [ 10596/ 5180 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.2% done] [ 7720/ 6848 kb/s] [eta 00m:14s] Threads: 3: [mmm] [48.1% done] [ 6960/ 6408 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 8220/ 5320 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 5496/ 6128 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 6332/ 4228 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 5512/ 4096 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 4896/ 2616 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 7016/ 784 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 4680/ 4068 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 5028/ 1632 kb/s] [eta 00m:11s] Threads: 3: [mmV] [66.7% done] [ 3928/ 2008 kb/s] [eta 00m:11s] Threads: 3: [VVV] [69.7% done] [ 16624/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [75.0% done] [ 16536/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.1% done] [ 16844/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.2% done] [ 17688/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [84.4% done] [ 16772/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [87.5% done] [ 14120/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.6% done] [ 15880/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=5122 read : io=100MiB, bw=3,510KiB/s, runt= 29868msec slat (msec): min= 0, max= 7473, avg=1375.60, stdev=2218.29 clat (msec): min= 0, max= 506, avg=98.87, stdev=111.32 bw (KiB/s) : min= 69, max=10211, per=37.94%, avg=3993.40, stdev=2513.42 write: io=40,880KiB, bw=1,860KiB/s, runt= 22503msec slat (msec): min= 0, max= 5, avg= 0.04, stdev= 0.30 clat (msec): min= 0, max= 1180, avg=121.84, stdev=184.88 bw (KiB/s) : min= 0, max= 7534, per=49.80%, avg=2710.60, stdev=2398.50 cpu : usr=2.93%, sys=0.28%, ctx=1740 IO depths : 1=0.1%, 2=0.4%, 4=15.6%, 8=83.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.0%, 4=1.6%, 10=6.8%, 20=16.0%, 50=34.4%, 100=7.3% lat (msec): 250=12.3%, 500=18.4%, 750=0.6%, 1000=0.4%, >=2000=0.2% fio: (groupid=0): err= 0: pid=5123 read : io=100MiB, bw=3,512KiB/s, runt= 29854msec slat (msec): min= 0, max= 7809, avg=1425.09, stdev=2290.85 clat (msec): min= 3, max= 547, avg=98.33, stdev=112.50 bw (KiB/s) : min= 192, max= 7496, per=37.81%, avg=3979.63, stdev=2229.59 write: io=37,080KiB, bw=1,719KiB/s, runt= 22076msec slat (msec): min= 0, max= 35, avg= 0.21, stdev= 1.76 clat (msec): min= 0, max= 962, avg=117.23, stdev=152.84 bw (KiB/s) : min= 0, max= 6684, per=49.43%, avg=2690.38, stdev=2394.27 cpu : usr=2.97%, sys=0.20%, ctx=1795 IO depths : 1=0.1%, 2=0.4%, 4=15.1%, 8=84.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.2%, 4=1.0%, 10=6.1%, 20=16.9%, 50=34.1%, 100=8.1% lat (msec): 250=13.6%, 500=17.9%, 750=0.9%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5124 read : io=100MiB, bw=3,508KiB/s, runt= 29887msec slat (msec): min= 0, max= 8405, avg=2054.99, stdev=2755.14 clat (msec): min= 0, max= 661, avg=103.30, stdev=119.72 bw (KiB/s) : min= 123, max=10338, per=37.77%, avg=3975.14, stdev=2459.53 write: io=41,668KiB, bw=1,961KiB/s, runt= 21757msec slat (msec): min= 0, max= 57, avg= 0.13, stdev= 2.18 clat (msec): min= 0, max= 1155, avg=96.55, stdev=142.75 bw (KiB/s) : min= 0, max=11173, per=58.85%, avg=3203.27, stdev=2945.36 cpu : usr=2.92%, sys=0.23%, ctx=1684 IO depths : 1=0.2%, 2=0.8%, 4=18.8%, 8=80.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.7%, 4=0.9%, 10=6.2%, 20=17.8%, 50=33.4%, 100=8.5% lat (msec): 250=11.9%, 500=17.4%, 750=1.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,525KiB/s, minb=3,508KiB/s, maxb=3,512KiB/s, mint=29854msec, maxt=29887msec WRITE: io=117MiB, aggrb=5,443KiB/s, minb=1,719KiB/s, maxb=1,961KiB/s, mint=29854msec, maxt=29887msec Disk stats (read/write): sda: ios=4649/2064, merge=1623/510, ticks=512356/258868, in_queue=771248, util=99.24% 2.66user 0.29system 0:30.30elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2402minor)pagefaults 0swaps