== sanity test 398c: run fio to test AIO ================= 17:04:45 (1760130285) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.3348 s, 125 MB/s osc.lustre-OST0000-osc-ffff9cc64312c000.rpc_stats=clear writing 40M to OST0 by fio with 4 jobs... rand-write: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.19 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=148350: Fri Oct 10 17:06:56 2025 write: IOPS=20, BW=82.2KiB/s (84.2kB/s)(10.0MiB/124552msec); 0 zone resets slat (usec): min=22, max=7164, avg=212.99, stdev=420.35 clat (msec): min=72, max=1279, avg=777.82, stdev=179.36 lat (msec): min=72, max=1279, avg=778.04, stdev=179.35 clat percentiles (msec): | 1.00th=[ 230], 5.00th=[ 506], 10.00th=[ 584], 20.00th=[ 651], | 30.00th=[ 701], 40.00th=[ 735], 50.00th=[ 776], 60.00th=[ 818], | 70.00th=[ 860], 80.00th=[ 919], 90.00th=[ 1003], 95.00th=[ 1083], | 99.00th=[ 1167], 99.50th=[ 1200], 99.90th=[ 1234], 99.95th=[ 1284], | 99.99th=[ 1284] bw ( KiB/s): min= 23, max= 264, per=24.87%, avg=81.56, stdev=29.27, samples=247 iops : min= 5, max= 66, avg=19.90, stdev= 7.33, samples=247 lat (msec) : 100=0.12%, 250=1.33%, 500=3.44%, 750=37.81%, 1000=46.76% lat (msec) : 2000=10.55% cpu : usr=0.06%, sys=0.35%, ctx=2003, majf=0, minf=10 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=148351: Fri Oct 10 17:06:56 2025 write: IOPS=20, BW=82.2KiB/s (84.2kB/s)(10.0MiB/124589msec); 0 zone resets slat (usec): min=23, max=10992, avg=209.07, stdev=499.56 clat (msec): min=60, max=1267, avg=777.82, stdev=180.51 lat (msec): min=60, max=1267, avg=778.03, stdev=180.54 clat percentiles (msec): | 1.00th=[ 230], 5.00th=[ 498], 10.00th=[ 584], 20.00th=[ 659], | 30.00th=[ 701], 40.00th=[ 735], 50.00th=[ 776], 60.00th=[ 818], | 70.00th=[ 860], 80.00th=[ 919], 90.00th=[ 1011], 95.00th=[ 1083], | 99.00th=[ 1167], 99.50th=[ 1200], 99.90th=[ 1250], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 15, max= 256, per=24.77%, avg=81.26, stdev=28.67, samples=248 iops : min= 3, max= 64, avg=19.82, stdev= 7.20, samples=248 lat (msec) : 100=0.04%, 250=1.91%, 500=3.09%, 750=38.67%, 1000=45.08% lat (msec) : 2000=11.21% cpu : usr=0.07%, sys=0.33%, ctx=1667, majf=0, minf=11 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=148352: Fri Oct 10 17:06:56 2025 write: IOPS=20, BW=82.0KiB/s (83.0kB/s)(10.0MiB/124839msec); 0 zone resets slat (usec): min=24, max=5740, avg=196.51, stdev=406.99 clat (msec): min=220, max=1199, avg=779.24, stdev=170.03 lat (msec): min=220, max=1199, avg=779.43, stdev=170.05 clat percentiles (msec): | 1.00th=[ 243], 5.00th=[ 506], 10.00th=[ 600], 20.00th=[ 659], | 30.00th=[ 693], 40.00th=[ 743], 50.00th=[ 785], 60.00th=[ 827], | 70.00th=[ 860], 80.00th=[ 919], 90.00th=[ 995], 95.00th=[ 1053], | 99.00th=[ 1150], 99.50th=[ 1167], 99.90th=[ 1183], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 7, max= 253, per=25.07%, avg=82.24, stdev=33.98, samples=245 iops : min= 1, max= 63, avg=20.07, stdev= 8.53, samples=245 lat (msec) : 250=1.25%, 500=3.52%, 750=37.15%, 1000=48.36%, 2000=9.73% cpu : usr=0.05%, sys=0.32%, ctx=1718, majf=0, minf=10 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=148353: Fri Oct 10 17:06:56 2025 write: IOPS=20, BW=82.0KiB/s (83.0kB/s)(10.0MiB/124835msec); 0 zone resets slat (usec): min=23, max=10577, avg=204.36, stdev=429.64 clat (msec): min=191, max=1346, avg=779.23, stdev=175.03 lat (msec): min=191, max=1346, avg=779.44, stdev=175.03 clat percentiles (msec): | 1.00th=[ 245], 5.00th=[ 506], 10.00th=[ 592], 20.00th=[ 659], | 30.00th=[ 701], 40.00th=[ 735], 50.00th=[ 776], 60.00th=[ 818], | 70.00th=[ 860], 80.00th=[ 919], 90.00th=[ 1011], 95.00th=[ 1070], | 99.00th=[ 1150], 99.50th=[ 1183], 99.90th=[ 1234], 99.95th=[ 1250], | 99.99th=[ 1351] bw ( KiB/s): min= 15, max= 216, per=24.77%, avg=81.26, stdev=28.61, samples=248 iops : min= 3, max= 54, avg=19.82, stdev= 7.19, samples=248 lat (msec) : 250=1.56%, 500=3.32%, 750=37.62%, 1000=46.88%, 2000=10.62% cpu : usr=0.06%, sys=0.34%, ctx=1761, majf=0, minf=11 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): WRITE: bw=328KiB/s (336kB/s), 82.0KiB/s-82.2KiB/s (83.0kB/s-84.2kB/s), io=40.0MiB (41.9MB), run=124552-124839msec mix rw 40M to OST0 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=148380: Fri Oct 10 17:08:01 2025 read: IOPS=21, BW=84.1KiB/s (86.1kB/s)(5048KiB/60017msec) slat (usec): min=1607, max=21510, avg=6322.84, stdev=2729.97 clat (msec): min=10, max=509, avg=229.62, stdev=60.41 lat (msec): min=15, max=520, avg=235.95, stdev=61.14 clat percentiles (msec): | 1.00th=[ 112], 5.00th=[ 138], 10.00th=[ 157], 20.00th=[ 182], | 30.00th=[ 197], 40.00th=[ 211], 50.00th=[ 226], 60.00th=[ 241], | 70.00th=[ 255], 80.00th=[ 279], 90.00th=[ 309], 95.00th=[ 338], | 99.00th=[ 380], 99.50th=[ 388], 99.90th=[ 477], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 16, max= 192, per=25.12%, avg=83.64, stdev=31.95, samples=119 iops : min= 4, max= 48, avg=20.55, stdev= 8.04, samples=119 write: IOPS=21, BW=86.5KiB/s (88.6kB/s)(5192KiB/60017msec); 0 zone resets slat (usec): min=36, max=3901, avg=201.95, stdev=246.57 clat (msec): min=154, max=1053, avg=509.09, stdev=142.99 lat (msec): min=155, max=1053, avg=509.30, stdev=143.00 clat percentiles (msec): | 1.00th=[ 194], 5.00th=[ 275], 10.00th=[ 330], 20.00th=[ 388], | 30.00th=[ 430], 40.00th=[ 472], 50.00th=[ 510], 60.00th=[ 542], | 70.00th=[ 584], 80.00th=[ 634], 90.00th=[ 693], 95.00th=[ 735], | 99.00th=[ 877], 99.50th=[ 927], 99.90th=[ 1036], 99.95th=[ 1053], | 99.99th=[ 1053] bw ( KiB/s): min= 15, max= 176, per=24.84%, avg=86.19, stdev=27.78, samples=119 iops : min= 3, max= 44, avg=21.19, stdev= 7.04, samples=119 lat (msec) : 20=0.08%, 50=0.04%, 100=0.16%, 250=33.71%, 500=39.53% lat (msec) : 750=24.53%, 1000=1.76%, 2000=0.20% cpu : usr=0.16%, sys=0.99%, ctx=5095, majf=0, minf=13 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1262,1298,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148381: Fri Oct 10 17:08:01 2025 read: IOPS=20, BW=82.8KiB/s (84.8kB/s)(4976KiB/60068msec) slat (usec): min=1501, max=21997, avg=6277.02, stdev=2702.14 clat (msec): min=4, max=447, avg=230.84, stdev=63.50 lat (msec): min=8, max=456, avg=237.13, stdev=64.24 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 138], 10.00th=[ 155], 20.00th=[ 180], | 30.00th=[ 194], 40.00th=[ 211], 50.00th=[ 228], 60.00th=[ 243], | 70.00th=[ 257], 80.00th=[ 284], 90.00th=[ 317], 95.00th=[ 347], | 99.00th=[ 397], 99.50th=[ 414], 99.90th=[ 443], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 7, max= 208, per=24.69%, avg=82.20, stdev=34.06, samples=119 iops : min= 1, max= 52, avg=20.19, stdev= 8.58, samples=119 write: IOPS=21, BW=87.6KiB/s (89.7kB/s)(5264KiB/60068msec); 0 zone resets slat (usec): min=31, max=4447, avg=211.89, stdev=285.95 clat (msec): min=154, max=1073, avg=505.03, stdev=143.72 lat (msec): min=154, max=1073, avg=505.24, stdev=143.73 clat percentiles (msec): | 1.00th=[ 197], 5.00th=[ 271], 10.00th=[ 321], 20.00th=[ 384], | 30.00th=[ 426], 40.00th=[ 464], 50.00th=[ 510], 60.00th=[ 542], | 70.00th=[ 584], 80.00th=[ 625], 90.00th=[ 684], 95.00th=[ 735], | 99.00th=[ 852], 99.50th=[ 1045], 99.90th=[ 1070], 99.95th=[ 1083], | 99.99th=[ 1083] bw ( KiB/s): min= 15, max= 160, per=25.15%, avg=87.27, stdev=27.76, samples=119 iops : min= 3, max= 40, avg=21.46, stdev= 6.99, samples=119 lat (msec) : 10=0.04%, 50=0.23%, 100=0.27%, 250=33.16%, 500=39.30% lat (msec) : 750=25.16%, 1000=1.52%, 2000=0.31% cpu : usr=0.15%, sys=0.98%, ctx=5008, majf=0, minf=15 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1244,1316,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148382: Fri Oct 10 17:08:01 2025 read: IOPS=20, BW=82.9KiB/s (84.9kB/s)(4984KiB/60130msec) slat (usec): min=1811, max=20969, avg=6257.35, stdev=2732.64 clat (msec): min=5, max=448, avg=229.84, stdev=61.06 lat (msec): min=10, max=457, avg=236.10, stdev=61.82 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 140], 10.00th=[ 159], 20.00th=[ 184], | 30.00th=[ 199], 40.00th=[ 211], 50.00th=[ 226], 60.00th=[ 241], | 70.00th=[ 255], 80.00th=[ 275], 90.00th=[ 309], 95.00th=[ 338], | 99.00th=[ 388], 99.50th=[ 409], 99.90th=[ 443], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 15, max= 208, per=24.76%, avg=82.46, stdev=34.42, samples=119 iops : min= 3, max= 52, avg=20.26, stdev= 8.64, samples=119 write: IOPS=21, BW=87.4KiB/s (89.5kB/s)(5256KiB/60130msec); 0 zone resets slat (usec): min=30, max=7103, avg=215.33, stdev=343.21 clat (msec): min=61, max=1075, avg=507.04, stdev=142.14 lat (msec): min=61, max=1076, avg=507.25, stdev=142.16 clat percentiles (msec): | 1.00th=[ 201], 5.00th=[ 275], 10.00th=[ 326], 20.00th=[ 393], | 30.00th=[ 430], 40.00th=[ 472], 50.00th=[ 506], 60.00th=[ 542], | 70.00th=[ 575], 80.00th=[ 625], 90.00th=[ 676], 95.00th=[ 726], | 99.00th=[ 902], 99.50th=[ 1003], 99.90th=[ 1053], 99.95th=[ 1083], | 99.99th=[ 1083] bw ( KiB/s): min= 31, max= 176, per=24.91%, avg=86.45, stdev=26.35, samples=119 iops : min= 7, max= 44, avg=21.26, stdev= 6.73, samples=119 lat (msec) : 10=0.12%, 20=0.04%, 50=0.16%, 100=0.23%, 250=32.97% lat (msec) : 500=39.73%, 750=24.65%, 1000=1.84%, 2000=0.27% cpu : usr=0.18%, sys=1.02%, ctx=4797, majf=0, minf=14 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1246,1314,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148383: Fri Oct 10 17:08:01 2025 read: IOPS=21, BW=84.6KiB/s (86.6kB/s)(5060KiB/59832msec) slat (usec): min=58, max=22137, avg=6237.16, stdev=2729.91 clat (msec): min=7, max=531, avg=233.51, stdev=64.51 lat (msec): min=10, max=538, avg=239.75, stdev=65.36 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 142], 10.00th=[ 157], 20.00th=[ 182], | 30.00th=[ 199], 40.00th=[ 215], 50.00th=[ 228], 60.00th=[ 245], | 70.00th=[ 262], 80.00th=[ 284], 90.00th=[ 317], 95.00th=[ 347], | 99.00th=[ 397], 99.50th=[ 430], 99.90th=[ 527], 99.95th=[ 531], | 99.99th=[ 531] bw ( KiB/s): min= 15, max= 183, per=25.25%, avg=84.08, stdev=31.24, samples=119 iops : min= 3, max= 45, avg=20.66, stdev= 7.82, samples=119 write: IOPS=21, BW=86.6KiB/s (88.7kB/s)(5180KiB/59832msec); 0 zone resets slat (usec): min=39, max=4134, avg=210.47, stdev=303.18 clat (msec): min=57, max=1075, avg=504.39, stdev=144.44 lat (msec): min=57, max=1075, avg=504.60, stdev=144.45 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 271], 10.00th=[ 326], 20.00th=[ 388], | 30.00th=[ 422], 40.00th=[ 468], 50.00th=[ 506], 60.00th=[ 542], | 70.00th=[ 575], 80.00th=[ 634], 90.00th=[ 684], 95.00th=[ 735], | 99.00th=[ 852], 99.50th=[ 885], 99.90th=[ 1070], 99.95th=[ 1083], | 99.99th=[ 1083] bw ( KiB/s): min= 16, max= 192, per=24.67%, avg=85.61, stdev=27.58, samples=119 iops : min= 4, max= 48, avg=21.04, stdev= 6.98, samples=119 lat (msec) : 10=0.08%, 20=0.16%, 50=0.12%, 100=0.27%, 250=32.85% lat (msec) : 500=40.27%, 750=24.49%, 1000=1.60%, 2000=0.16% cpu : usr=0.15%, sys=1.02%, ctx=4974, majf=0, minf=16 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1265,1295,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=334KiB/s (342kB/s), 82.8KiB/s-84.6KiB/s (84.8kB/s-86.6kB/s), io=19.6MiB (20.5MB), run=59832-60130msec WRITE: bw=347KiB/s (356kB/s), 86.5KiB/s-87.6KiB/s (88.6kB/s-89.7kB/s), io=20.4MiB (21.4MB), run=59832-60130msec AIO with large block size 40M rand-rw: (g=0): rw=randrw, bs=(R) 40.0MiB-40.0MiB, (W) 40.0MiB-40.0MiB, (T) 40.0MiB-40.0MiB, ioengine=libaio, iodepth=16 fio-3.19 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=148395: Fri Oct 10 17:08:06 2025 read: IOPS=3, BW=154MiB/s (162MB/s)(40.0MiB/259msec) slat (nsec): min=23129k, max=23129k, avg=23128734.00, stdev= 0.00 clat (nsec): min=219589k, max=219589k, avg=219589369.00, stdev= 0.00 lat (nsec): min=242724k, max=242724k, avg=242724198.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 220], 5.00th=[ 220], 10.00th=[ 220], 20.00th=[ 220], | 30.00th=[ 220], 40.00th=[ 220], 50.00th=[ 220], 60.00th=[ 220], | 70.00th=[ 220], 80.00th=[ 220], 90.00th=[ 220], 95.00th=[ 220], | 99.00th=[ 220], 99.50th=[ 220], 99.90th=[ 220], 99.95th=[ 220], | 99.99th=[ 220] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=5.04%, ctx=6, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=154MiB/s (162MB/s), 154MiB/s-154MiB/s (162MB/s-162MB/s), io=40.0MiB (41.9MB), run=259-259msec debug=trace inode super iotrace malloc cache info ioctl neterror net warning buffs other dentry nettrace page dlmtrace error emerg ha rpctrace vfstrace reada mmap config console quota sec lfsck hsm snapshot layout