== sanity test 398c: run fio to test AIO ================= 23:22:45 (1746156165) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.210764 s, 199 MB/s osc.lustre-OST0000-osc-ffff88012c0a0000.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=1343: Thu May 1 23:24:34 2025 write: IOPS=24, BW=96.1KiB/s (98.4kB/s)(10.0MiB/106582msec) slat (usec): min=14, max=7542, avg=134.30, stdev=364.34 clat (msec): min=98, max=1066, avg=665.46, stdev=133.23 lat (msec): min=98, max=1066, avg=665.60, stdev=133.23 clat percentiles (msec): | 1.00th=[ 368], 5.00th=[ 456], 10.00th=[ 498], 20.00th=[ 550], | 30.00th=[ 592], 40.00th=[ 634], 50.00th=[ 667], 60.00th=[ 701], | 70.00th=[ 743], 80.00th=[ 785], 90.00th=[ 835], 95.00th=[ 877], | 99.00th=[ 961], 99.50th=[ 1020], 99.90th=[ 1070], 99.95th=[ 1070], | 99.99th=[ 1070] bw ( KiB/s): min= 15, max= 208, per=24.88%, avg=95.29, stdev=29.47, samples=213 iops : min= 3, max= 52, avg=23.61, stdev= 7.42, samples=213 lat (msec) : 100=0.12%, 250=0.51%, 500=10.16%, 750=61.52%, 1000=27.19% cpu : usr=0.10%, sys=0.51%, ctx=1465, 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=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=1344: Thu May 1 23:24:34 2025 write: IOPS=23, BW=95.9KiB/s (98.2kB/s)(10.0MiB/106734msec) slat (usec): min=11, max=4953, avg=148.86, stdev=350.09 clat (msec): min=203, max=1053, avg=665.93, stdev=129.58 lat (msec): min=203, max=1053, avg=666.08, stdev=129.58 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 460], 10.00th=[ 493], 20.00th=[ 550], | 30.00th=[ 592], 40.00th=[ 634], 50.00th=[ 676], 60.00th=[ 701], | 70.00th=[ 735], 80.00th=[ 785], 90.00th=[ 835], 95.00th=[ 877], | 99.00th=[ 944], 99.50th=[ 978], 99.90th=[ 1053], 99.95th=[ 1053], | 99.99th=[ 1053] bw ( KiB/s): min= 8, max= 160, per=24.87%, avg=95.26, stdev=29.16, samples=213 iops : min= 2, max= 40, avg=23.57, stdev= 7.31, samples=213 lat (msec) : 250=0.16%, 500=11.33%, 750=61.99%, 1000=26.21% cpu : usr=0.18%, sys=0.40%, ctx=1407, 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=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=1345: Thu May 1 23:24:34 2025 write: IOPS=23, BW=95.9KiB/s (98.2kB/s)(10.0MiB/106734msec) slat (usec): min=11, max=5901, avg=149.77, stdev=376.90 clat (msec): min=202, max=1216, avg=665.89, stdev=133.09 lat (msec): min=203, max=1216, avg=666.04, stdev=133.09 clat percentiles (msec): | 1.00th=[ 388], 5.00th=[ 456], 10.00th=[ 489], 20.00th=[ 550], | 30.00th=[ 592], 40.00th=[ 634], 50.00th=[ 667], 60.00th=[ 701], | 70.00th=[ 743], 80.00th=[ 785], 90.00th=[ 835], 95.00th=[ 877], | 99.00th=[ 978], 99.50th=[ 1028], 99.90th=[ 1217], 99.95th=[ 1217], | 99.99th=[ 1217] bw ( KiB/s): min= 8, max= 176, per=24.89%, avg=95.34, stdev=27.85, samples=213 iops : min= 2, max= 44, avg=23.65, stdev= 6.97, samples=213 lat (msec) : 250=0.04%, 500=12.15%, 750=59.88%, 1000=27.30% cpu : usr=0.14%, sys=0.47%, ctx=1451, 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=1346: Thu May 1 23:24:34 2025 write: IOPS=23, BW=95.9KiB/s (98.2kB/s)(10.0MiB/106803msec) slat (usec): min=12, max=5763, avg=135.89, stdev=295.36 clat (msec): min=313, max=1049, avg=666.26, stdev=127.60 lat (msec): min=313, max=1049, avg=666.40, stdev=127.61 clat percentiles (msec): | 1.00th=[ 397], 5.00th=[ 451], 10.00th=[ 498], 20.00th=[ 550], | 30.00th=[ 600], 40.00th=[ 634], 50.00th=[ 667], 60.00th=[ 709], | 70.00th=[ 743], 80.00th=[ 776], 90.00th=[ 827], 95.00th=[ 869], | 99.00th=[ 953], 99.50th=[ 995], 99.90th=[ 1036], 99.95th=[ 1045], | 99.99th=[ 1053] bw ( KiB/s): min= 15, max= 152, per=24.87%, avg=95.25, stdev=26.69, samples=213 iops : min= 3, max= 38, avg=23.57, stdev= 6.70, samples=213 lat (msec) : 500=11.25%, 750=61.64%, 1000=26.80% cpu : usr=0.10%, sys=0.50%, ctx=1443, 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=384KiB/s (393kB/s), 95.9KiB/s-96.1KiB/s (98.2kB/s-98.4kB/s), io=40.0MiB (41.9MB), run=106582-106803msec 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=1442: Thu May 1 23:25:39 2025 read: IOPS=19, BW=79.8KiB/s (81.7kB/s)(5048KiB/63293msec) slat (usec): min=1502, max=23311, avg=5486.92, stdev=2350.25 clat (msec): min=8, max=546, avg=255.99, stdev=57.37 lat (msec): min=18, max=551, avg=261.49, stdev=57.81 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 174], 10.00th=[ 188], 20.00th=[ 211], | 30.00th=[ 228], 40.00th=[ 239], 50.00th=[ 253], 60.00th=[ 266], | 70.00th=[ 279], 80.00th=[ 300], 90.00th=[ 334], 95.00th=[ 355], | 99.00th=[ 405], 99.50th=[ 414], 99.90th=[ 498], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 16, max= 144, per=25.11%, avg=79.34, stdev=28.20, samples=126 iops : min= 4, max= 36, avg=19.63, stdev= 7.07, samples=126 write: IOPS=20, BW=82.0KiB/s (83.0kB/s)(5192KiB/63293msec) slat (usec): min=14, max=4143, avg=175.03, stdev=361.42 clat (msec): min=208, max=881, avg=524.35, stdev=123.98 lat (msec): min=208, max=881, avg=524.53, stdev=124.00 clat percentiles (msec): | 1.00th=[ 245], 5.00th=[ 321], 10.00th=[ 368], 20.00th=[ 414], | 30.00th=[ 456], 40.00th=[ 493], 50.00th=[ 531], 60.00th=[ 567], | 70.00th=[ 592], 80.00th=[ 634], 90.00th=[ 684], 95.00th=[ 726], | 99.00th=[ 793], 99.50th=[ 835], 99.90th=[ 869], 99.95th=[ 885], | 99.99th=[ 885] bw ( KiB/s): min= 32, max= 151, per=24.79%, avg=81.56, stdev=23.33, samples=126 iops : min= 8, max= 37, avg=20.18, stdev= 5.82, samples=126 lat (msec) : 10=0.04%, 20=0.04%, 50=0.08%, 100=0.12%, 250=23.95% lat (msec) : 500=46.72%, 750=27.66%, 1000=1.41% cpu : usr=0.20%, sys=1.50%, ctx=2731, 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=1443: Thu May 1 23:25:39 2025 read: IOPS=19, BW=78.6KiB/s (80.5kB/s)(4976KiB/63334msec) slat (usec): min=1502, max=22706, avg=5436.83, stdev=2398.99 clat (msec): min=10, max=446, avg=253.64, stdev=58.48 lat (msec): min=13, max=452, avg=259.08, stdev=58.90 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 174], 10.00th=[ 190], 20.00th=[ 209], | 30.00th=[ 226], 40.00th=[ 239], 50.00th=[ 251], 60.00th=[ 266], | 70.00th=[ 279], 80.00th=[ 300], 90.00th=[ 330], 95.00th=[ 355], | 99.00th=[ 397], 99.50th=[ 414], 99.90th=[ 443], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 15, max= 160, per=24.61%, avg=77.78, stdev=28.60, samples=126 iops : min= 3, max= 40, avg=19.14, stdev= 7.15, samples=126 write: IOPS=20, BW=83.1KiB/s (85.1kB/s)(5264KiB/63334msec) slat (usec): min=13, max=4059, avg=160.32, stdev=311.48 clat (msec): min=110, max=842, avg=524.09, stdev=126.25 lat (msec): min=110, max=842, avg=524.25, stdev=126.25 clat percentiles (msec): | 1.00th=[ 251], 5.00th=[ 300], 10.00th=[ 355], 20.00th=[ 414], | 30.00th=[ 460], 40.00th=[ 493], 50.00th=[ 527], 60.00th=[ 558], | 70.00th=[ 592], 80.00th=[ 634], 90.00th=[ 693], 95.00th=[ 735], | 99.00th=[ 785], 99.50th=[ 802], 99.90th=[ 827], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 31, max= 159, per=25.05%, avg=82.41, stdev=24.77, samples=126 iops : min= 7, max= 39, avg=20.30, stdev= 6.21, samples=126 lat (msec) : 20=0.16%, 50=0.23%, 100=0.27%, 250=23.83%, 500=45.66% lat (msec) : 750=28.05%, 1000=1.80% cpu : usr=0.44%, sys=1.29%, ctx=2714, 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=1444: Thu May 1 23:25:39 2025 read: IOPS=19, BW=78.7KiB/s (80.6kB/s)(4984KiB/63291msec) slat (usec): min=1564, max=22244, avg=5412.40, stdev=2402.48 clat (msec): min=6, max=446, avg=252.93, stdev=57.40 lat (msec): min=9, max=453, avg=258.35, stdev=57.81 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 176], 10.00th=[ 186], 20.00th=[ 207], | 30.00th=[ 224], 40.00th=[ 239], 50.00th=[ 251], 60.00th=[ 264], | 70.00th=[ 279], 80.00th=[ 300], 90.00th=[ 330], 95.00th=[ 351], | 99.00th=[ 397], 99.50th=[ 409], 99.90th=[ 443], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 24, max= 160, per=24.86%, avg=78.56, stdev=29.49, samples=126 iops : min= 6, max= 40, avg=19.42, stdev= 7.40, samples=126 write: IOPS=20, BW=83.0KiB/s (85.0kB/s)(5256KiB/63291msec) slat (usec): min=12, max=7201, avg=178.51, stdev=434.78 clat (msec): min=192, max=844, avg=524.14, stdev=123.65 lat (msec): min=192, max=844, avg=524.32, stdev=123.64 clat percentiles (msec): | 1.00th=[ 251], 5.00th=[ 321], 10.00th=[ 355], 20.00th=[ 414], | 30.00th=[ 464], 40.00th=[ 498], 50.00th=[ 531], 60.00th=[ 567], | 70.00th=[ 592], 80.00th=[ 634], 90.00th=[ 684], 95.00th=[ 718], | 99.00th=[ 785], 99.50th=[ 802], 99.90th=[ 844], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 32, max= 151, per=25.00%, avg=82.25, stdev=22.73, samples=126 iops : min= 8, max= 37, avg=20.34, stdev= 5.68, samples=126 lat (msec) : 10=0.04%, 20=0.08%, 50=0.27%, 100=0.12%, 250=23.91% lat (msec) : 500=45.51%, 750=28.91%, 1000=1.17% cpu : usr=0.05%, sys=1.65%, ctx=2750, majf=0, minf=31 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=1445: Thu May 1 23:25:39 2025 read: IOPS=20, BW=80.3KiB/s (82.3kB/s)(5060KiB/62995msec) slat (usec): min=41, max=20897, avg=5435.96, stdev=2446.98 clat (msec): min=8, max=657, avg=254.05, stdev=61.85 lat (msec): min=9, max=663, avg=259.49, stdev=62.35 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 174], 10.00th=[ 188], 20.00th=[ 207], | 30.00th=[ 224], 40.00th=[ 239], 50.00th=[ 251], 60.00th=[ 264], | 70.00th=[ 279], 80.00th=[ 296], 90.00th=[ 334], 95.00th=[ 355], | 99.00th=[ 418], 99.50th=[ 430], 99.90th=[ 542], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 16, max= 160, per=25.42%, avg=80.31, stdev=26.77, samples=125 iops : min= 4, max= 40, avg=19.93, stdev= 6.66, samples=125 write: IOPS=20, BW=82.2KiB/s (84.2kB/s)(5180KiB/62995msec) slat (usec): min=14, max=4653, avg=166.56, stdev=355.53 clat (msec): min=100, max=901, avg=524.05, stdev=127.67 lat (msec): min=100, max=901, avg=524.21, stdev=127.67 clat percentiles (msec): | 1.00th=[ 239], 5.00th=[ 317], 10.00th=[ 355], 20.00th=[ 409], | 30.00th=[ 456], 40.00th=[ 493], 50.00th=[ 523], 60.00th=[ 567], | 70.00th=[ 592], 80.00th=[ 634], 90.00th=[ 684], 95.00th=[ 726], | 99.00th=[ 802], 99.50th=[ 810], 99.90th=[ 877], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 24, max= 144, per=24.82%, avg=81.66, stdev=24.14, samples=125 iops : min= 6, max= 36, avg=20.26, stdev= 6.02, samples=125 lat (msec) : 10=0.08%, 20=0.16%, 50=0.16%, 100=0.27%, 250=24.65% lat (msec) : 500=45.47%, 750=27.62%, 1000=1.60% cpu : usr=0.26%, sys=1.48%, ctx=2750, 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=317KiB/s (324kB/s), 78.6KiB/s-80.3KiB/s (80.5kB/s-82.3kB/s), io=19.6MiB (20.5MB), run=62995-63334msec WRITE: bw=330KiB/s (338kB/s), 82.0KiB/s-83.1KiB/s (83.0kB/s-85.1kB/s), io=20.4MiB (21.4MB), run=62995-63334msec 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=1499: Thu May 1 23:25:41 2025 read: IOPS=4, BW=181MiB/s (190MB/s)(40.0MiB/221msec) slat (nsec): min=2377.5k, max=2377.5k, avg=2377491.00, stdev= 0.00 clat (nsec): min=210690k, max=210690k, avg=210689535.00, stdev= 0.00 lat (nsec): min=213094k, max=213094k, avg=213094363.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 211], 5.00th=[ 211], 10.00th=[ 211], 20.00th=[ 211], | 30.00th=[ 211], 40.00th=[ 211], 50.00th=[ 211], 60.00th=[ 211], | 70.00th=[ 211], 80.00th=[ 211], 90.00th=[ 211], 95.00th=[ 211], | 99.00th=[ 211], 99.50th=[ 211], 99.90th=[ 211], 99.95th=[ 211], | 99.99th=[ 211] lat (msec) : 250=100.00% cpu : usr=0.45%, sys=0.90%, ctx=3, 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=181MiB/s (190MB/s), 181MiB/s-181MiB/s (190MB/s-190MB/s), io=40.0MiB (41.9MB), run=221-221msec 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