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: [mFm] [8.1% done] [ 2344/ 27088 kb/s] [eta 00m:34s] Threads: 3: [mFF] [8.2% done] [ 240/ 10672 kb/s] [eta 00m:45s] Threads: 3: [mFF] [8.3% done] [ 140/ 0 kb/s] [eta 00m:55s] Threads: 3: [mFF] [10.0% done] [ 0/ 0 kb/s] [eta 00m:54s] Threads: 3: [mFF] [11.7% done] [ 223/ 0 kb/s] [eta 00m:53s] Threads: 3: [mFF] [13.3% done] [ 308/ 0 kb/s] [eta 00m:52s] Threads: 3: [mFF] [15.0% done] [ 188/ 0 kb/s] [eta 00m:51s] Threads: 3: [mFF] [16.7% done] [ 188/ 4 kb/s] [eta 00m:50s] Threads: 3: [mFF] [18.3% done] [ 332/ 0 kb/s] [eta 00m:49s] Threads: 3: [mVV] [20.0% done] [ 8600/ 20 kb/s] [eta 00m:48s] Threads: 3: [mVV] [21.7% done] [ 27720/ 0 kb/s] [eta 00m:47s] Threads: 3: [mVV] [23.3% done] [ 35932/ 0 kb/s] [eta 00m:46s] Threads: 3: [mVV] [25.0% done] [ 31992/ 0 kb/s] [eta 00m:45s] Threads: 3: [mVV] [26.7% done] [ 36230/ 0 kb/s] [eta 00m:44s] Threads: 3: [mVV] [28.3% done] [ 30364/ 0 kb/s] [eta 00m:43s] Threads: 2: [mEV] [30.0% done] [ 29688/ 388 kb/s] [eta 00m:42s] Threads: 1: [m__] [31.7% done] [ 16824/ 0 kb/s] [eta 00m:41s] Threads: 1: [m__] [33.3% done] [ 11900/ 0 kb/s] [eta 00m:40s] Threads: 1: [F__] [100.0% done] [ 6776/ 53160 kb/s] [eta 00m:00s] Threads: 1: [F__] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 1: [F__] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [75.0% done] [ 9852/ 0 kb/s] [eta 00m:08s] Threads: 1: [V__] [89.3% done] [ 22424/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=21774 read : io=100MiB, bw=3,931KiB/s, runt= 26670msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 6478, avg=108.19, stdev=485.04 bw (KiB/s) : min= 2, max=23304, per=47.26%, avg=5573.63, stdev=7771.92 write: io=54,140KiB, bw=2,308KiB/s, runt= 24012msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 4744, avg= 9.74, stdev=153.85 bw (KiB/s) : min= 0, max= 87, per=0.35%, avg=38.60, stdev=38.36 cpu : usr=1.62%, sys=1.14%, ctx=5873 IO depths : 1=1.2%, 2=45.4%, 4=29.2%, 8=24.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=41.6%, 4=0.0%, 10=13.2%, 20=16.3%, 50=14.1%, 100=10.0% lat (msec): 250=1.6%, 500=0.7%, 750=0.7%, 1000=0.1%, >=2000=0.5% fio: (groupid=0): err= 0: pid=21775 read : io=100MiB, bw=5,664KiB/s, runt= 18510msec clat (msec): min= 0, max= 462, avg=29.54, stdev=53.32 bw (KiB/s) : min= 12, max=21700, per=125.55%, avg=14807.38, stdev=6069.97 write: io=100MiB, bw=8,883KiB/s, runt= 11804msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 15, avg= 0.28, stdev= 0.88 bw (KiB/s) : min= 0, max=113567, per=521.43%, avg=56783.50, stdev=80304.00 cpu : usr=4.80%, sys=2.20%, ctx=4738 IO depths : 1=1.6%, 2=57.5%, 4=31.0%, 8=9.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=50.1%, 4=1.3%, 10=22.8%, 20=15.3%, 50=3.7%, 100=0.0% lat (msec): 250=6.2%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=21776 read : io=100MiB, bw=5,607KiB/s, runt= 18698msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 767, avg=40.65, stdev=89.89 bw (KiB/s) : min= 8, max=23355, per=82.87%, avg=9774.22, stdev=8763.37 write: io=98,840KiB, bw=8,576KiB/s, runt= 11801msec slat (msec): min= 0, max= 1, avg= 0.00, stdev= 0.02 clat (msec): min= 0, max= 279, avg= 0.91, stdev=11.94 bw (KiB/s) : min= 0, max=21360, per=98.07%, avg=10680.00, stdev=15103.80 cpu : usr=4.24%, sys=1.84%, ctx=4861 IO depths : 1=1.8%, 2=57.3%, 4=29.6%, 8=11.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.8%, 4=0.5%, 10=23.8%, 20=13.6%, 50=3.9%, 100=0.7% lat (msec): 250=5.9%, 500=1.1%, 750=0.5%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,794KiB/s, minb=3,931KiB/s, maxb=5,664KiB/s, mint=18510msec, maxt=26670msec WRITE: io=249MiB, aggrb=10,890KiB/s, minb=2,308KiB/s, maxb=8,883KiB/s, mint=18510msec, maxt=26670msec Disk stats (read/write): sda: ios=3688/2793, merge=1229/60856, ticks=92164/1774904, in_queue=1869656, util=96.63% 2.15user 1.13system 0:27.20elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2481minor)pagefaults 0swaps