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] [12.0% done] [ 14222/ 6018 kb/s] [eta 00m:22s] Threads: 3: [mmm] [16.0% done] [ 9354/ 12397 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.8% done] [ 12214/ 7029 kb/s] [eta 00m:19s] Threads: 3: [mmm] [24.0% done] [ 13665/ 4652 kb/s] [eta 00m:19s] Threads: 3: [mmm] [26.9% done] [ 8216/ 8057 kb/s] [eta 00m:19s] Threads: 3: [mmm] [28.6% done] [ 6851/ 8452 kb/s] [eta 00m:20s] Threads: 3: [mmm] [30.0% done] [ 15388/ 1117 kb/s] [eta 00m:21s] Threads: 3: [mmm] [32.3% done] [ 11349/ 5457 kb/s] [eta 00m:21s] Threads: 3: [mmm] [35.5% done] [ 9276/ 6424 kb/s] [eta 00m:20s] Threads: 3: [mmm] [38.7% done] [ 9187/ 7501 kb/s] [eta 00m:19s] Threads: 3: [mmm] [39.4% done] [ 6631/ 6192 kb/s] [eta 00m:20s] Threads: 3: [mmm] [41.2% done] [ 10162/ 1649 kb/s] [eta 00m:20s] Threads: 3: [mmm] [42.9% done] [ 5022/ 6818 kb/s] [eta 00m:20s] Threads: 3: [mmm] [43.2% done] [ 11085/ 902 kb/s] [eta 00m:21s] Threads: 3: [mmm] [44.7% done] [ 6586/ 2677 kb/s] [eta 00m:21s] Threads: 3: [mVV] [45.0% done] [ 10593/ 2828 kb/s] [eta 00m:22s] Threads: 3: [mVV] [45.2% done] [ 18480/ 0 kb/s] [eta 00m:23s] Threads: 3: [mVV] [45.5% done] [ 19561/ 231 kb/s] [eta 00m:24s] Threads: 3: [mVV] [46.7% done] [ 17867/ 0 kb/s] [eta 00m:24s] Threads: 1: [m__] [47.8% done] [ 15835/ 0 kb/s] [eta 00m:24s] Threads: 1: [m__] [57.5% done] [ 6944/ 7964 kb/s] [eta 00m:17s] Threads: 1: [m__] [64.9% done] [ 12686/ 0 kb/s] [eta 00m:13s] Threads: 1: [V__] [78.1% done] [ 18720/ 0 kb/s] [eta 00m:07s] fio: (groupid=0): err= 0: pid=4496 read : io=100MiB, bw=4,048KiB/s, runt= 25899msec slat (msec): min= 0, max= 1611, avg=216.95, stdev=420.79 clat (msec): min= 1, max= 1253, avg=92.38, stdev=181.43 bw (KiB/s) : min= 214, max=22131, per=36.83%, avg=4473.92, stdev=5903.24 write: io=33,420KiB, bw=1,405KiB/s, runt= 24342msec slat (msec): min= 0, max= 15, avg= 0.19, stdev= 1.39 clat (msec): min= 0, max= 1189, avg=129.00, stdev=252.66 bw (KiB/s) : min= 0, max=15125, per=49.27%, avg=2265.35, stdev=3528.88 cpu : usr=3.35%, sys=0.28%, ctx=1899 IO depths : 1=0.1%, 2=0.2%, 4=1.5%, 8=98.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=7.3%, 4=2.8%, 10=15.0%, 20=22.9%, 50=22.9%, 100=9.8% lat (msec): 250=6.6%, 500=6.1%, 750=2.6%, 1000=3.5%, >=2000=0.4% fio: (groupid=0): err= 0: pid=4497 read : io=100MiB, bw=4,777KiB/s, runt= 21948msec slat (msec): min= 0, max= 4603, avg=988.46, stdev=1535.47 clat (msec): min= 1, max= 839, avg=72.79, stdev=99.79 bw (KiB/s) : min= 140, max=13058, per=41.78%, avg=5074.71, stdev=3369.84 write: io=35,884KiB, bw=2,101KiB/s, runt= 17483msec slat (msec): min= 0, max= 1, avg= 0.00, stdev= 0.06 clat (msec): min= 0, max= 827, avg=79.14, stdev=135.93 bw (KiB/s) : min= 0, max= 7620, per=67.55%, avg=3106.05, stdev=2502.54 cpu : usr=4.57%, sys=0.33%, ctx=2098 IO depths : 1=0.1%, 2=0.2%, 4=4.3%, 8=95.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=10.3%, 4=1.5%, 10=9.1%, 20=15.8%, 50=22.4%, 100=16.9% lat (msec): 250=17.7%, 500=4.6%, 750=1.2%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4498 read : io=100MiB, bw=4,830KiB/s, runt= 21708msec slat (msec): min= 0, max= 5103, avg=1058.28, stdev=1580.16 clat (msec): min= 1, max= 740, avg=72.34, stdev=91.98 bw (KiB/s) : min= 130, max=12731, per=44.47%, avg=5400.73, stdev=3704.42 write: io=40,000KiB, bw=2,389KiB/s, runt= 17142msec slat (msec): min= 0, max= 8, avg= 0.05, stdev= 0.55 clat (msec): min= 0, max= 868, avg=88.75, stdev=166.97 bw (KiB/s) : min= 0, max= 7977, per=73.60%, avg=3384.19, stdev=3028.51 cpu : usr=4.22%, sys=0.24%, ctx=2008 IO depths : 1=0.1%, 2=0.2%, 4=3.7%, 8=96.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=8.6%, 4=1.0%, 10=8.3%, 20=18.6%, 50=23.6%, 100=15.2% lat (msec): 250=17.9%, 500=4.9%, 750=1.2%, 1000=0.5%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,146KiB/s, minb=4,048KiB/s, maxb=4,830KiB/s, mint=21708msec, maxt=25899msec WRITE: io=107MiB, aggrb=4,598KiB/s, minb=1,405KiB/s, maxb=2,389KiB/s, mint=21708msec, maxt=25899msec Disk stats (read/write): sda: ios=5304/2012, merge=1172/262, ticks=422448/181312, in_queue=603760, util=99.19% 2.84user 0.29system 0:26.21elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2384minor)pagefaults 0swaps