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: [FFm] [42.9% done] [ 629/ 0 kb/s] [eta 00m:04s] Threads: 3: [FFm] [44.4% done] [ 796/ 0 kb/s] [eta 00m:05s] Threads: 3: [FFm] [45.5% done] [ 674/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFm] [46.2% done] [ 853/ 0 kb/s] [eta 00m:07s] Threads: 3: [FFm] [53.8% done] [ 910/ 12877 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 0/ 21788 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: [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: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [69.6% done] [ 10020/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [73.9% done] [ 31691/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [75.0% done] [ 30813/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [82.6% done] [ 26276/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.9% done] [ 36746/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 36571/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33202/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 35864/ 0 kb/s] [eta 00m:00s] Threads: 2: [VVE] [100.0% done] [ 34054/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5103 read : io=100MiB, bw=4,218KiB/s, runt= 24859msec clat (msec): min= 0, max= 441, avg= 4.96, stdev=30.33 bw (KiB/s) : min= 0, max=19513, per=75.84%, avg=9597.31, stdev=5900.93 write: io=100MiB, bw=6,826KiB/s, runt= 15361msec clat (msec): min= 0, max= 23, avg= 0.22, stdev= 1.91 bw (KiB/s) : min= 1, max=104067, per=232.40%, avg=45246.00, stdev=53344.76 cpu : usr=5.33%, sys=1.16%, ctx=843 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=88.5%, 4=4.0%, 10=5.3%, 20=0.8%, 50=0.4%, 100=0.0% lat (msec): 250=0.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5104 read : io=100MiB, bw=4,257KiB/s, runt= 24627msec clat (msec): min= 0, max= 331, avg= 5.65, stdev=29.91 bw (KiB/s) : min= 11, max=15467, per=78.27%, avg=9904.69, stdev=4558.51 write: io=99MiB, bw=6,740KiB/s, runt= 15357msec clat (msec): min= 0, max= 28, avg= 0.11, stdev= 1.36 bw (KiB/s) : min= 0, max=114778, per=301.82%, avg=58761.00, stdev=57438.18 cpu : usr=5.30%, sys=1.19%, ctx=944 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=86.3%, 4=4.6%, 10=6.8%, 20=0.6%, 50=0.3%, 100=0.2% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5105 read : io=100MiB, bw=4,330KiB/s, runt= 24211msec clat (msec): min= 0, max= 307, avg= 8.75, stdev=31.84 bw (KiB/s) : min= 18, max=14617, per=47.42%, avg=6000.07, stdev=5393.08 write: io=88,572KiB, bw=5,906KiB/s, runt= 15356msec clat (msec): min= 0, max= 39, avg= 0.03, stdev= 1.00 bw (KiB/s) : min= 0, max=10249, per=26.32%, avg=5124.50, stdev=7247.14 cpu : usr=4.84%, sys=1.14%, ctx=1118 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=82.0%, 4=5.2%, 10=7.3%, 20=1.5%, 50=1.0%, 100=1.4% lat (msec): 250=1.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,654KiB/s, minb=4,218KiB/s, maxb=4,330KiB/s, mint=24211msec, maxt=24859msec WRITE: io=285MiB, aggrb=19,469KiB/s, minb=5,906KiB/s, maxb=6,826KiB/s, mint=24211msec, maxt=24859msec Disk stats (read/write): sda: ios=3171/2116, merge=1394/70726, ticks=105632/1956772, in_queue=2069236, util=97.85% 3.81user 0.89system 0:25.47elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (1major+1083minor)pagefaults 0swaps