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] [33.3% done] [ 10544/134704 kb/s] [eta 00m:06s] Threads: 3: [FmF] [50.0% done] [ 5608/ 89288 kb/s] [eta 00m:04s] Threads: 3: [FmF] [50.0% done] [ 1338/ 0 kb/s] [eta 00m:05s] Threads: 3: [FmF] [50.0% done] [ 1465/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 335/ 28615 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: [FFV] [72.2% done] [ 3242/ 0 kb/s] [eta 00m:05s] Threads: 3: [FFV] [82.4% done] [ 16782/ 0 kb/s] [eta 00m:03s] Threads: 3: [FFV] [88.2% done] [ 10166/ 0 kb/s] [eta 00m:02s] Threads: 3: [FFV] [94.1% done] [ 9114/ 0 kb/s] [eta 00m:01s] Threads: 3: [FFV] [100.0% done] [ 10020/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFV] [100.0% done] [ 6726/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [67.9% done] [ 17505/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [71.4% done] [ 27335/ 0 kb/s] [eta 00m:08s] Threads: 2: [VVE] [75.0% done] [ 28830/ 0 kb/s] [eta 00m:07s] Threads: 2: [VV_] [88.0% done] [ 29622/ 0 kb/s] [eta 00m:03s] Threads: 2: [VV_] [92.0% done] [ 31825/ 0 kb/s] [eta 00m:02s] Threads: 2: [VV_] [100.0% done] [ 31447/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 27860/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=22143 read : io=100MiB, bw=4,123KiB/s, runt= 25429msec clat (msec): min= 0, max= 197, avg= 4.66, stdev=17.72 bw (KiB/s) : min= 0, max=30264, per=95.75%, avg=11663.19, stdev=9409.32 write: io=93,760KiB, bw=5,076KiB/s, runt= 18911msec clat (msec): min= 0, max= 219, avg= 0.59, stdev= 7.46 bw (KiB/s) : min= 0, max=116514, per=174.18%, avg=25463.00, stdev=45649.46 cpu : usr=4.70%, sys=1.20%, ctx=1069 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=82.8%, 4=4.3%, 10=8.3%, 20=1.6%, 50=1.4%, 100=0.5% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22144 read : io=100MiB, bw=4,060KiB/s, runt= 25824msec clat (msec): min= 0, max= 276, avg= 7.06, stdev=21.21 bw (KiB/s) : min= 13, max=26624, per=60.18%, avg=7330.04, stdev=7072.63 write: io=85,440KiB, bw=4,627KiB/s, runt= 18907msec clat (msec): min= 0, max= 5, avg= 0.00, stdev= 0.13 bw (KiB/s) : min= 0, max=16163, per=55.28%, avg=8081.50, stdev=11428.97 cpu : usr=4.63%, sys=1.02%, ctx=1151 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=80.1%, 4=4.2%, 10=8.2%, 20=2.0%, 50=3.3%, 100=1.1% lat (msec): 250=0.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22145 read : io=100MiB, bw=4,972KiB/s, runt= 21086msec clat (msec): min= 0, max= 257, avg= 6.55, stdev=19.58 bw (KiB/s) : min= 5, max=22421, per=71.14%, avg=8664.95, stdev=5962.06 write: io=90,796KiB, bw=7,582KiB/s, runt= 12262msec clat (msec): min= 0, max= 9, avg= 0.01, stdev= 0.23 bw (KiB/s) : min= 0, max=115474, per=394.94%, avg=57737.00, stdev=81652.45 cpu : usr=5.88%, sys=1.40%, ctx=1018 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=81.5%, 4=4.9%, 10=6.3%, 20=2.2%, 50=3.2%, 100=1.4% lat (msec): 250=0.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,181KiB/s, minb=4,060KiB/s, maxb=4,972KiB/s, mint=21086msec, maxt=25824msec WRITE: io=264MiB, aggrb=14,619KiB/s, minb=4,627KiB/s, maxb=7,582KiB/s, mint=21086msec, maxt=25824msec Disk stats (read/write): sda: ios=3755/1944, merge=1290/65483, ticks=64868/2110672, in_queue=2178268, util=99.28% 3.63user 0.89system 0:26.14elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1064minor)pagefaults 0swaps