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: [mFm] [5.7% done] [ 7068/ 55372 kb/s] [eta 00m:50s] Threads: 3: [mFF] [6.7% done] [ 632/ 50900 kb/s] [eta 00m:56s] Threads: 3: [mFF] [8.3% done] [ 1812/ 0 kb/s] [eta 00m:55s] Threads: 3: [mFF] [10.0% done] [ 2160/ 0 kb/s] [eta 00m:54s] Threads: 3: [mFF] [11.7% done] [ 1960/ 0 kb/s] [eta 00m:53s] Threads: 3: [mFF] [13.3% done] [ 1272/ 0 kb/s] [eta 00m:52s] Threads: 3: [mFF] [15.0% done] [ 860/ 0 kb/s] [eta 00m:51s] Threads: 3: [FFF] [100.0% done] [ 168/ 84912 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FVF] [66.7% done] [ 0/ 0 kb/s] [eta 00m:07s] Threads: 3: [FVF] [75.0% done] [ 11756/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [69.6% done] [ 21588/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [70.8% done] [ 22828/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [78.3% done] [ 31176/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [86.4% done] [ 31632/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.9% done] [ 29324/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 31008/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 36220/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 32988/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=1299 read : io=100MiB, bw=4,298KiB/s, runt= 24393msec clat (msec): min= 0, max= 426, avg=10.52, stdev=35.15 bw (KiB/s) : min= 0, max=21383, per=42.38%, avg=5464.82, stdev=5720.84 write: io=84,912KiB, bw=5,690KiB/s, runt= 15281msec clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=122068, per=332.81%, avg=61034.00, stdev=86315.11 cpu : usr=4.51%, sys=1.41%, ctx=1077 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=82.6%, 4=4.2%, 10=6.4%, 20=1.4%, 50=1.9%, 100=1.6% lat (msec): 250=1.7%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1300 read : io=100MiB, bw=4,594KiB/s, runt= 22821msec clat (msec): min= 0, max= 428, avg= 5.91, stdev=29.37 bw (KiB/s) : min= 11, max=28336, per=80.95%, avg=10439.18, stdev=7482.48 write: io=98,368KiB, bw=7,194KiB/s, runt= 14000msec clat (msec): min= 0, max= 44, avg= 0.10, stdev= 1.68 bw (KiB/s) : min= 0, max=82976, per=226.23%, avg=41488.00, stdev=58672.89 cpu : usr=5.35%, sys=1.26%, ctx=835 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=84.8%, 4=5.1%, 10=6.8%, 20=0.9%, 50=1.1%, 100=0.5% lat (msec): 250=0.6%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1301 read : io=100MiB, bw=4,318KiB/s, runt= 24282msec clat (msec): min= 0, max= 350, avg= 6.51, stdev=27.15 bw (KiB/s) : min= 17, max=18570, per=67.86%, avg=8750.81, stdev=5448.12 write: io=90,608KiB, bw=6,066KiB/s, runt= 15293msec clat (msec): min= 0, max= 5, avg= 0.01, stdev= 0.17 bw (KiB/s) : min= 0, max=117735, per=321.00%, avg=58867.50, stdev=83251.22 cpu : usr=4.81%, sys=1.28%, ctx=1023 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=83.5%, 4=4.7%, 10=6.8%, 20=1.7%, 50=1.6%, 100=0.6% lat (msec): 250=0.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,896KiB/s, minb=4,298KiB/s, maxb=4,594KiB/s, mint=22821msec, maxt=24393msec WRITE: io=267MiB, aggrb=18,339KiB/s, minb=5,690KiB/s, maxb=7,194KiB/s, mint=22821msec, maxt=24393msec Disk stats (read/write): sda: ios=3589/1828, merge=1416/66509, ticks=98036/1757520, in_queue=1855568, util=99.47% 3.49user 0.96system 0:24.78elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1060minor)pagefaults 0swaps