== sanity test 398c: run fio to test AIO ================= 00:05:51 (1746158751) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.109239 s, 384 MB/s osc.lustre-OST0000-osc-ffff8801367f4800.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-3.7 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=4179: Fri May 2 00:07:21 2025 write: IOPS=29, BW=116KiB/s (119kB/s)(10.0MiB/88077msec) slat (usec): min=11, max=3288, avg=108.37, stdev=201.17 clat (msec): min=129, max=1122, avg=549.76, stdev=176.90 lat (msec): min=129, max=1122, avg=549.88, stdev=176.91 clat percentiles (msec): | 1.00th=[ 207], 5.00th=[ 262], 10.00th=[ 326], 20.00th=[ 388], | 30.00th=[ 439], 40.00th=[ 493], 50.00th=[ 542], 60.00th=[ 600], | 70.00th=[ 651], 80.00th=[ 709], 90.00th=[ 785], 95.00th=[ 835], | 99.00th=[ 961], 99.50th=[ 1011], 99.90th=[ 1099], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 39, max= 256, per=24.81%, avg=115.37, stdev=41.61, samples=176 iops : min= 9, max= 64, avg=28.61, stdev=10.45, samples=176 lat (msec) : 250=4.38%, 500=36.72%, 750=45.20%, 1000=13.12% cpu : usr=0.09%, sys=0.52%, ctx=1620, majf=0, minf=30 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=4180: Fri May 2 00:07:21 2025 write: IOPS=29, BW=117KiB/s (119kB/s)(10.0MiB/87779msec) slat (usec): min=13, max=2556, avg=117.72, stdev=210.08 clat (msec): min=60, max=1096, avg=548.08, stdev=180.63 lat (msec): min=60, max=1096, avg=548.20, stdev=180.63 clat percentiles (msec): | 1.00th=[ 165], 5.00th=[ 268], 10.00th=[ 321], 20.00th=[ 384], | 30.00th=[ 439], 40.00th=[ 489], 50.00th=[ 542], 60.00th=[ 600], | 70.00th=[ 651], 80.00th=[ 709], 90.00th=[ 776], 95.00th=[ 844], | 99.00th=[ 969], 99.50th=[ 1011], 99.90th=[ 1099], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 40, max= 336, per=24.97%, avg=116.13, stdev=46.12, samples=175 iops : min= 10, max= 84, avg=28.87, stdev=11.58, samples=175 lat (msec) : 100=0.35%, 250=3.52%, 500=38.09%, 750=44.73%, 1000=12.77% cpu : usr=0.15%, sys=0.46%, ctx=1594, majf=0, minf=30 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=4181: Fri May 2 00:07:21 2025 write: IOPS=29, BW=116KiB/s (119kB/s)(10.0MiB/88077msec) slat (usec): min=11, max=3555, avg=114.46, stdev=224.50 clat (msec): min=152, max=1121, avg=549.95, stdev=177.84 lat (msec): min=152, max=1121, avg=550.06, stdev=177.86 clat percentiles (msec): | 1.00th=[ 201], 5.00th=[ 253], 10.00th=[ 321], 20.00th=[ 388], | 30.00th=[ 443], 40.00th=[ 498], 50.00th=[ 542], 60.00th=[ 600], | 70.00th=[ 651], 80.00th=[ 709], 90.00th=[ 776], 95.00th=[ 844], | 99.00th=[ 961], 99.50th=[ 1003], 99.90th=[ 1062], 99.95th=[ 1070], | 99.99th=[ 1116] bw ( KiB/s): min= 16, max= 264, per=24.83%, avg=115.45, stdev=43.89, samples=176 iops : min= 4, max= 66, avg=28.69, stdev=11.03, samples=176 lat (msec) : 250=4.65%, 500=35.59%, 750=46.33%, 1000=12.89% cpu : usr=0.13%, sys=0.45%, ctx=1486, majf=0, minf=30 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=4182: Fri May 2 00:07:21 2025 write: IOPS=29, BW=116KiB/s (119kB/s)(10.0MiB/88006msec) slat (usec): min=11, max=5053, avg=118.09, stdev=244.27 clat (msec): min=129, max=1092, avg=549.31, stdev=177.40 lat (msec): min=129, max=1092, avg=549.43, stdev=177.42 clat percentiles (msec): | 1.00th=[ 209], 5.00th=[ 259], 10.00th=[ 321], 20.00th=[ 388], | 30.00th=[ 443], 40.00th=[ 498], 50.00th=[ 542], 60.00th=[ 592], | 70.00th=[ 651], 80.00th=[ 709], 90.00th=[ 785], 95.00th=[ 844], | 99.00th=[ 961], 99.50th=[ 1011], 99.90th=[ 1070], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 39, max= 256, per=24.81%, avg=115.36, stdev=43.96, samples=176 iops : min= 9, max= 64, avg=28.60, stdev=11.03, samples=176 lat (msec) : 250=4.38%, 500=36.68%, 750=45.08%, 1000=13.20% cpu : usr=0.09%, sys=0.51%, ctx=1552, majf=0, minf=29 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=465KiB/s (476kB/s), 116KiB/s-117KiB/s (119kB/s-119kB/s), io=40.0MiB (41.9MB), run=87779-88077msec 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-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=4263: Fri May 2 00:08:27 2025 read: IOPS=19, BW=78.4KiB/s (80.3kB/s)(5048KiB/64368msec) slat (usec): min=1141, max=23212, avg=5423.91, stdev=2794.02 clat (msec): min=7, max=563, avg=264.62, stdev=70.62 lat (msec): min=13, max=579, avg=270.05, stdev=71.55 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 167], 10.00th=[ 188], 20.00th=[ 211], | 30.00th=[ 224], 40.00th=[ 241], 50.00th=[ 255], 60.00th=[ 271], | 70.00th=[ 296], 80.00th=[ 317], 90.00th=[ 359], 95.00th=[ 388], | 99.00th=[ 493], 99.50th=[ 506], 99.90th=[ 558], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 15, max= 152, per=25.14%, avg=78.18, stdev=28.59, samples=128 iops : min= 3, max= 38, avg=19.30, stdev= 7.20, samples=128 write: IOPS=20, BW=80.7KiB/s (82.6kB/s)(5192KiB/64368msec) slat (usec): min=16, max=5141, avg=157.28, stdev=348.00 clat (msec): min=182, max=1135, avg=529.82, stdev=142.15 lat (msec): min=183, max=1136, avg=529.98, stdev=142.18 clat percentiles (msec): | 1.00th=[ 239], 5.00th=[ 300], 10.00th=[ 351], 20.00th=[ 409], | 30.00th=[ 456], 40.00th=[ 493], 50.00th=[ 531], 60.00th=[ 567], | 70.00th=[ 600], 80.00th=[ 642], 90.00th=[ 701], 95.00th=[ 768], | 99.00th=[ 885], 99.50th=[ 953], 99.90th=[ 1133], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 24, max= 168, per=24.80%, avg=80.12, stdev=25.26, samples=128 iops : min= 6, max= 42, avg=19.79, stdev= 6.32, samples=128 lat (msec) : 10=0.04%, 50=0.12%, 100=0.20%, 250=23.71%, 500=45.82% lat (msec) : 750=27.03%, 1000=2.89% cpu : usr=0.41%, sys=1.24%, ctx=2733, majf=0, minf=34 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=4264: Fri May 2 00:08:27 2025 read: IOPS=19, BW=77.2KiB/s (79.0kB/s)(4976KiB/64460msec) slat (usec): min=1580, max=22764, avg=5496.32, stdev=2808.95 clat (msec): min=4, max=634, avg=264.17, stdev=72.62 lat (msec): min=8, max=642, avg=269.67, stdev=73.40 clat percentiles (msec): | 1.00th=[ 118], 5.00th=[ 159], 10.00th=[ 184], 20.00th=[ 209], | 30.00th=[ 226], 40.00th=[ 241], 50.00th=[ 257], 60.00th=[ 275], | 70.00th=[ 296], 80.00th=[ 321], 90.00th=[ 351], 95.00th=[ 388], | 99.00th=[ 485], 99.50th=[ 493], 99.90th=[ 625], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 24, max= 160, per=24.68%, avg=76.75, stdev=30.79, samples=128 iops : min= 6, max= 40, avg=18.95, stdev= 7.68, samples=128 write: IOPS=20, BW=81.7KiB/s (83.6kB/s)(5264KiB/64460msec) slat (usec): min=16, max=8556, avg=152.20, stdev=374.27 clat (msec): min=201, max=1132, avg=527.65, stdev=140.05 lat (msec): min=201, max=1132, avg=527.80, stdev=140.06 clat percentiles (msec): | 1.00th=[ 243], 5.00th=[ 309], 10.00th=[ 355], 20.00th=[ 405], | 30.00th=[ 443], 40.00th=[ 493], 50.00th=[ 531], 60.00th=[ 567], | 70.00th=[ 600], 80.00th=[ 642], 90.00th=[ 701], 95.00th=[ 760], | 99.00th=[ 877], 99.50th=[ 927], 99.90th=[ 1116], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 16, max= 176, per=25.10%, avg=81.06, stdev=28.63, samples=128 iops : min= 4, max= 44, avg=20.03, stdev= 7.21, samples=128 lat (msec) : 10=0.16%, 50=0.23%, 100=0.04%, 250=22.70%, 500=46.91% lat (msec) : 750=27.19%, 1000=2.58% cpu : usr=0.30%, sys=1.31%, ctx=2753, majf=0, minf=32 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=4265: Fri May 2 00:08:27 2025 read: IOPS=19, BW=77.3KiB/s (79.1kB/s)(4984KiB/64493msec) slat (usec): min=1359, max=23031, avg=5362.38, stdev=2784.29 clat (msec): min=17, max=681, avg=264.97, stdev=72.64 lat (msec): min=26, max=699, avg=270.33, stdev=73.47 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 163], 10.00th=[ 186], 20.00th=[ 209], | 30.00th=[ 228], 40.00th=[ 241], 50.00th=[ 257], 60.00th=[ 271], | 70.00th=[ 292], 80.00th=[ 317], 90.00th=[ 359], 95.00th=[ 388], | 99.00th=[ 485], 99.50th=[ 558], 99.90th=[ 676], 99.95th=[ 684], | 99.99th=[ 684] bw ( KiB/s): min= 16, max= 176, per=24.82%, avg=77.18, stdev=33.59, samples=128 iops : min= 4, max= 44, avg=19.05, stdev= 8.39, samples=128 write: IOPS=20, BW=81.5KiB/s (83.5kB/s)(5256KiB/64493msec) slat (usec): min=14, max=4461, avg=159.36, stdev=345.39 clat (msec): min=122, max=1119, avg=527.90, stdev=141.10 lat (msec): min=122, max=1119, avg=528.06, stdev=141.12 clat percentiles (msec): | 1.00th=[ 241], 5.00th=[ 309], 10.00th=[ 351], 20.00th=[ 401], | 30.00th=[ 443], 40.00th=[ 493], 50.00th=[ 535], 60.00th=[ 567], | 70.00th=[ 600], 80.00th=[ 642], 90.00th=[ 701], 95.00th=[ 768], | 99.00th=[ 877], 99.50th=[ 953], 99.90th=[ 1116], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 24, max= 160, per=24.94%, avg=80.55, stdev=25.15, samples=128 iops : min= 6, max= 40, avg=19.90, stdev= 6.32, samples=128 lat (msec) : 20=0.04%, 50=0.12%, 100=0.16%, 250=23.09%, 500=46.48% lat (msec) : 750=27.15%, 1000=2.77% cpu : usr=0.22%, sys=1.39%, ctx=2718, majf=0, minf=32 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=4266: Fri May 2 00:08:27 2025 read: IOPS=19, BW=79.1KiB/s (80.0kB/s)(5060KiB/63982msec) slat (usec): min=22, max=24013, avg=5372.67, stdev=2779.38 clat (msec): min=5, max=609, avg=265.54, stdev=71.39 lat (msec): min=5, max=612, avg=270.92, stdev=72.31 clat percentiles (msec): | 1.00th=[ 125], 5.00th=[ 163], 10.00th=[ 182], 20.00th=[ 209], | 30.00th=[ 226], 40.00th=[ 243], 50.00th=[ 262], 60.00th=[ 275], | 70.00th=[ 296], 80.00th=[ 321], 90.00th=[ 363], 95.00th=[ 388], | 99.00th=[ 468], 99.50th=[ 493], 99.90th=[ 542], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 16, max= 152, per=25.47%, avg=79.22, stdev=27.88, samples=127 iops : min= 4, max= 38, avg=19.65, stdev= 7.02, samples=127 write: IOPS=20, BW=80.0KiB/s (82.9kB/s)(5180KiB/63982msec) slat (usec): min=13, max=5766, avg=170.04, stdev=407.37 clat (msec): min=47, max=1010, avg=525.11, stdev=143.88 lat (msec): min=47, max=1011, avg=525.28, stdev=143.90 clat percentiles (msec): | 1.00th=[ 188], 5.00th=[ 305], 10.00th=[ 342], 20.00th=[ 401], | 30.00th=[ 447], 40.00th=[ 489], 50.00th=[ 531], 60.00th=[ 567], | 70.00th=[ 600], 80.00th=[ 634], 90.00th=[ 701], 95.00th=[ 768], | 99.00th=[ 902], 99.50th=[ 944], 99.90th=[ 1003], 99.95th=[ 1011], | 99.99th=[ 1011] bw ( KiB/s): min= 24, max= 151, per=24.94%, avg=80.54, stdev=26.65, samples=127 iops : min= 6, max= 37, avg=19.98, stdev= 6.68, samples=127 lat (msec) : 10=0.08%, 50=0.16%, 100=0.20%, 250=22.70%, 500=47.54% lat (msec) : 750=26.21%, 1000=3.05% cpu : usr=0.29%, sys=1.31%, ctx=2725, majf=0, minf=28 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=311KiB/s (319kB/s), 77.2KiB/s-79.1KiB/s (79.0kB/s-80.0kB/s), io=19.6MiB (20.5MB), run=63982-64493msec WRITE: bw=324KiB/s (332kB/s), 80.7KiB/s-81.7KiB/s (82.6kB/s-83.6kB/s), io=20.4MiB (21.4MB), run=63982-64493msec 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-3.7 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=4323: Fri May 2 00:08:29 2025 read: IOPS=3, BW=129MiB/s (135MB/s)(40.0MiB/310msec) slat (nsec): min=5445.6k, max=5445.6k, avg=5445588.00, stdev= 0.00 clat (nsec): min=292696k, max=292696k, avg=292695971.00, stdev= 0.00 lat (nsec): min=298165k, max=298165k, avg=298165479.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 292], 10.00th=[ 292], 20.00th=[ 292], | 30.00th=[ 292], 40.00th=[ 292], 50.00th=[ 292], 60.00th=[ 292], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 292], 95.00th=[ 292], | 99.00th=[ 292], 99.50th=[ 292], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] lat (msec) : 500=100.00% cpu : usr=0.32%, sys=0.32%, ctx=5, majf=0, minf=29 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=129MiB/s (135MB/s), 129MiB/s-129MiB/s (135MB/s-135MB/s), io=40.0MiB (41.9MB), run=310-310msec 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