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: [Fmm] [18.8% done] [ 5061/ 2128 kb/s] [eta 00m:13s] Threads: 3: [Fmm] [20.0% done] [ 1984/ 740 kb/s] [eta 00m:16s] Threads: 3: [Fmm] [20.8% done] [ 1969/ 0 kb/s] [eta 00m:19s] Threads: 3: [Fmm] [22.2% done] [ 2949/ 36069 kb/s] [eta 00m:21s] Threads: 3: [Fmm] [23.3% done] [ 2581/ 2878 kb/s] [eta 00m:23s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 3: [FFF] [100.0% done] [ 500/ 93270 kb/s] [eta 00m:00s] fio: pid=5174, got signal=6 Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [75.0% done] [ 22944/ 0 kb/s] [eta 00m:06s] Threads: 2: [VV_] [82.6% done] [ 29707/ 0 kb/s] [eta 00m:04s] Threads: 2: [VV_] [95.2% done] [ 35034/ 0 kb/s] [eta 00m:01s] Threads: 2: [VV_] [100.0% done] [ 35144/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 28297/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5172 read : io=100MiB, bw=4,382KiB/s, runt= 23925msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 283, avg=35.17, stdev=52.55 bw (KiB/s) : min= 4, max=21456, per=117.29%, avg=11062.59, stdev=7738.54 write: io=95,840KiB, bw=5,511KiB/s, runt= 17808msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 195, avg= 0.84, stdev= 8.32 bw (KiB/s) : min= 0, max=49514, per=174.10%, avg=27146.67, stdev=25100.61 cpu : usr=3.41%, sys=1.71%, ctx=5562 IO depths : 1=3.4%, 2=55.8%, 4=29.5%, 8=11.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.9%, 4=0.8%, 10=17.6%, 20=17.4%, 50=4.7%, 100=1.9% lat (msec): 250=8.4%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5173 read : io=100MiB, bw=4,428KiB/s, runt= 23678msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 934, avg=55.78, stdev=116.47 bw (KiB/s) : min= 21, max=23306, per=83.26%, avg=7853.00, stdev=7680.42 write: io=88,520KiB, bw=5,092KiB/s, runt= 17800msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 734, avg= 4.17, stdev=40.20 bw (KiB/s) : min= 0, max=20450, per=53.84%, avg=8395.67, stdev=10704.67 cpu : usr=3.31%, sys=1.59%, ctx=5516 IO depths : 1=2.3%, 2=55.8%, 4=28.7%, 8=13.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.3%, 4=1.5%, 10=13.4%, 20=19.0%, 50=6.1%, 100=1.4% lat (msec): 250=7.1%, 500=1.9%, 750=1.0%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5174 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.6%, 2=88.8%, 4=2.6%, 8=8.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=87.2%, 4=2.3%, 10=0.2%, 20=0.1%, 50=0.2%, 100=0.4% lat (msec): 250=3.8%, 500=2.9%, 750=2.3%, 1000=0.4%, >=2000=0.0% Run status group 0 (all jobs): READ: io=215MiB, aggrb=9,432KiB/s, minb=0KiB/s, maxb=4,428KiB/s, mint=0msec, maxt=23925msec WRITE: io=265MiB, aggrb=15,593KiB/s, minb=0KiB/s, maxb=5,511KiB/s, mint=0msec, maxt=23925msec Disk stats (read/write): sda: ios=2498/2454, merge=1036/65169, ticks=52860/2052964, in_queue=2109476, util=98.17% 2.42user 1.01system 0:24.54elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2487minor)pagefaults 0swaps