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: [mmm] [37.5% done] [ 10173/ 48781 kb/s] [eta 00m:05s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=25357, got signal=6 Threads: 2: [m_m] [40.0% done] [ 9310/ 43933 kb/s] [eta 00m:06s] Threads: 2: [m_F] [55.6% done] [ 3938/ 42050 kb/s] [eta 00m:04s] Threads: 2: [m_F] [60.0% done] [ 543/ 82 kb/s] [eta 00m:04s] Threads: 2: [m_F] [63.6% done] [ 460/ 6774 kb/s] [eta 00m:04s] Threads: 2: [m_F] [61.5% done] [ 374/ 0 kb/s] [eta 00m:05s] Threads: 2: [m_F] [64.3% done] [ 606/ 1977 kb/s] [eta 00m:05s] Threads: 2: [m_F] [62.5% done] [ 409/ 122 kb/s] [eta 00m:06s] Threads: 2: [F_F] [100.0% done] [ 649/ 6868 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_V] [70.0% done] [ 1094/ 0 kb/s] [eta 00m:06s] Threads: 2: [F_V] [75.0% done] [ 7943/ 0 kb/s] [eta 00m:05s] Threads: 2: [F_V] [84.2% done] [ 14761/ 0 kb/s] [eta 00m:03s] Threads: 2: [F_V] [89.5% done] [ 4958/ 0 kb/s] [eta 00m:02s] Threads: 2: [F_V] [94.7% done] [ 7951/ 0 kb/s] [eta 00m:01s] Threads: 2: [F_V] [100.0% done] [ 16990/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_V] [100.0% done] [ 8471/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_V] [100.0% done] [ 8046/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_V] [100.0% done] [ 6443/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [77.4% done] [ 22687/ 0 kb/s] [eta 00m:07s] Threads: 1: [V__] [100.0% done] [ 32232/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [100.0% done] [ 32559/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=25356 read : io=100MiB, bw=4,004KiB/s, runt= 26185msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 767, avg=53.54, stdev=115.08 bw (KiB/s) : min= 7, max=35936, per=81.85%, avg=7024.31, stdev=11800.95 write: io=85,804KiB, bw=3,786KiB/s, runt= 23204msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 527, avg= 7.74, stdev=49.54 bw (KiB/s) : min= 0, max=17043, per=49.73%, avg=5658.71, stdev=7619.80 cpu : usr=2.66%, sys=1.42%, ctx=5404 IO depths : 1=3.5%, 2=53.5%, 4=28.2%, 8=14.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=45.6%, 4=0.1%, 10=15.6%, 20=19.4%, 50=7.8%, 100=3.1% lat (msec): 250=3.8%, 500=3.3%, 750=1.1%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25357 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=87.1%, 4=4.4%, 8=8.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=87.2%, 4=1.4%, 10=0.1%, 20=0.1%, 50=0.6%, 100=3.5% lat (msec): 250=5.0%, 500=1.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25358 read : io=100MiB, bw=4,520KiB/s, runt= 23194msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 412, avg=63.53, stdev=70.45 bw (KiB/s) : min= 6, max=22102, per=80.89%, avg=6941.74, stdev=5138.00 write: io=84,400KiB, bw=6,157KiB/s, runt= 14036msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 154, avg= 0.93, stdev= 8.27 bw (KiB/s) : min= 0, max=13986, per=61.46%, avg=6993.00, stdev=9889.60 cpu : usr=2.93%, sys=1.40%, ctx=5018 IO depths : 1=1.3%, 2=52.1%, 4=29.1%, 8=17.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.0%, 4=0.7%, 10=5.5%, 20=11.6%, 50=12.4%, 100=10.4% lat (msec): 250=10.8%, 500=1.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=214MiB, aggrb=8,582KiB/s, minb=0KiB/s, maxb=4,520KiB/s, mint=23194msec, maxt=26185msec WRITE: io=252MiB, aggrb=11,378KiB/s, minb=0KiB/s, maxb=6,157KiB/s, mint=23194msec, maxt=26185msec Disk stats (read/write): sda: ios=2877/2978, merge=981/61285, ticks=58484/2603980, in_queue=2683144, util=97.14% 2.12user 1.00system 0:26.56elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2493minor)pagefaults 0swaps