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: [mmm] [7.1% done] [ 8596/ 7320 kb/s] [eta 00m:39s] Threads: 3: [mmm] [9.5% done] [ 9112/ 6956 kb/s] [eta 00m:38s] Threads: 3: [mmm] [13.5% done] [ 5020/ 11348 kb/s] [eta 00m:32s] Threads: 3: [mmm] [17.6% done] [ 3284/ 11624 kb/s] [eta 00m:28s] Threads: 3: [mmm] [20.0% done] [ 9340/ 3988 kb/s] [eta 00m:28s] Threads: 3: [mmm] [21.6% done] [ 7064/ 5172 kb/s] [eta 00m:29s] Threads: 3: [mmm] [23.7% done] [ 9140/ 2576 kb/s] [eta 00m:29s] Threads: 3: [mmm] [25.6% done] [ 9688/ 3604 kb/s] [eta 00m:29s] Threads: 3: [mmm] [28.2% done] [ 5900/ 6640 kb/s] [eta 00m:28s] Threads: 3: [mmm] [30.0% done] [ 5628/ 6528 kb/s] [eta 00m:28s] Threads: 3: [mmm] [32.5% done] [ 7200/ 5336 kb/s] [eta 00m:27s] Threads: 3: [mmm] [35.9% done] [ 4976/ 7284 kb/s] [eta 00m:25s] Threads: 3: [mmm] [37.5% done] [ 5916/ 5032 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.0% done] [ 8920/ 1164 kb/s] [eta 00m:23s] Threads: 3: [mmm] [43.6% done] [ 3748/ 6540 kb/s] [eta 00m:22s] Threads: 3: [mmm] [45.0% done] [ 4192/ 5004 kb/s] [eta 00m:22s] Threads: 3: [mmm] [47.5% done] [ 8712/ 936 kb/s] [eta 00m:21s] Threads: 3: [mmm] [48.8% done] [ 3592/ 5288 kb/s] [eta 00m:21s] Threads: 3: [mmm] [50.0% done] [ 5444/ 1704 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.4% done] [ 7404/ 0 kb/s] [eta 00m:20s] Threads: 3: [mmm] [52.3% done] [ 3816/ 3772 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.8% done] [ 2780/ 4924 kb/s] [eta 00m:19s] Threads: 3: [mmV] [56.8% done] [ 3116/ 3420 kb/s] [eta 00m:19s] Threads: 3: [mVV] [57.8% done] [ 12956/ 0 kb/s] [eta 00m:19s] Threads: 3: [mVV] [58.7% done] [ 15820/ 16 kb/s] [eta 00m:19s] Threads: 3: [mVV] [58.3% done] [ 16268/ 312 kb/s] [eta 00m:20s] Threads: 3: [mVV] [58.0% done] [ 15324/ 104 kb/s] [eta 00m:21s] Threads: 2: [mV_] [58.8% done] [ 15222/ 129 kb/s] [eta 00m:21s] Threads: 1: [m__] [60.8% done] [ 9422/ 2331 kb/s] [eta 00m:20s] Threads: 1: [m__] [65.3% done] [ 1926/ 6395 kb/s] [eta 00m:17s] Threads: 1: [V__] [75.0% done] [ 13588/ 0 kb/s] [eta 00m:11s] Threads: 1: [V__] [91.9% done] [ 25027/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=15514 read : io=100MiB, bw=2,938KiB/s, runt= 35679msec clat (msec): min= 0, max= 270, avg=12.09, stdev=24.96 bw (KiB/s) : min= 11, max=25832, per=44.31%, avg=3906.67, stdev=5987.04 write: io=51,756KiB, bw=1,597KiB/s, runt= 33167msec clat (msec): min= 0, max= 414, avg=13.81, stdev=40.08 bw (KiB/s) : min= 0, max= 9145, per=69.35%, avg=2873.24, stdev=2803.31 cpu : usr=2.68%, sys=0.30%, ctx=2651 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=50.6%, 4=7.6%, 10=14.8%, 20=10.1%, 50=10.6%, 100=3.6% lat (msec): 250=2.4%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15515 read : io=100MiB, bw=3,327KiB/s, runt= 31512msec clat (msec): min= 0, max= 163, avg=13.68, stdev=18.64 bw (KiB/s) : min= 40, max=14050, per=41.23%, avg=3634.57, stdev=2970.55 write: io=38,412KiB, bw=1,519KiB/s, runt= 25893msec clat (msec): min= 0, max= 228, avg=13.80, stdev=28.00 bw (KiB/s) : min= 0, max= 8839, per=83.21%, avg=3447.29, stdev=2878.21 cpu : usr=2.78%, sys=0.41%, ctx=2132 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=26.3%, 4=8.5%, 10=24.2%, 20=19.9%, 50=15.8%, 100=3.4% lat (msec): 250=1.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15516 read : io=100MiB, bw=3,410KiB/s, runt= 30749msec clat (msec): min= 0, max= 167, avg=12.20, stdev=18.02 bw (KiB/s) : min= 6, max=16627, per=44.18%, avg=3894.87, stdev=3665.71 write: io=44,052KiB, bw=1,803KiB/s, runt= 25013msec clat (msec): min= 0, max= 249, avg=10.59, stdev=25.60 bw (KiB/s) : min= 0, max= 7133, per=67.02%, avg=2776.63, stdev=2617.08 cpu : usr=2.86%, sys=0.42%, ctx=2447 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=37.9%, 4=6.8%, 10=19.2%, 20=17.6%, 50=14.4%, 100=2.5% lat (msec): 250=1.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,816KiB/s, minb=2,938KiB/s, maxb=3,410KiB/s, mint=30749msec, maxt=35679msec WRITE: io=131MiB, aggrb=4,143KiB/s, minb=1,519KiB/s, maxb=1,803KiB/s, mint=30749msec, maxt=35679msec Disk stats (read/write): sda: ios=5637/2680, merge=933/177, ticks=88600/47784, in_queue=136380, util=98.48% 2.72user 0.42system 0:35.96elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1071minor)pagefaults 0swaps