== sanity test 398c: run fio to test AIO ================= 21:45:44 (1746150344) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.236633 s, 177 MB/s osc.lustre-OST0000-osc-ffff880096a82800.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=3261: Thu May 1 21:48:39 2025 write: IOPS=15, BW=60.0KiB/s (61.5kB/s)(10.0MiB/170623msec) slat (usec): min=13, max=14516, avg=260.31, stdev=652.24 clat (msec): min=417, max=2095, avg=1064.52, stdev=220.17 lat (msec): min=418, max=2096, avg=1064.78, stdev=220.19 clat percentiles (msec): | 1.00th=[ 625], 5.00th=[ 735], 10.00th=[ 793], 20.00th=[ 877], | 30.00th=[ 953], 40.00th=[ 1003], 50.00th=[ 1053], 60.00th=[ 1099], | 70.00th=[ 1167], 80.00th=[ 1234], 90.00th=[ 1334], 95.00th=[ 1435], | 99.00th=[ 1653], 99.50th=[ 1754], 99.90th=[ 2089], 99.95th=[ 2089], | 99.99th=[ 2089] bw ( KiB/s): min= 7, max= 128, per=25.15%, avg=60.35, stdev=27.57, samples=335 iops : min= 1, max= 32, avg=14.78, stdev= 6.90, samples=335 lat (msec) : 500=0.04%, 750=6.09%, 1000=34.14% cpu : usr=0.06%, sys=0.46%, ctx=1400, 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=3262: Thu May 1 21:48:39 2025 write: IOPS=15, BW=60.0KiB/s (61.5kB/s)(10.0MiB/170624msec) slat (usec): min=15, max=7177, avg=240.23, stdev=568.26 clat (msec): min=414, max=1839, avg=1064.68, stdev=208.39 lat (msec): min=418, max=1840, avg=1064.92, stdev=208.39 clat percentiles (msec): | 1.00th=[ 625], 5.00th=[ 751], 10.00th=[ 810], 20.00th=[ 885], | 30.00th=[ 961], 40.00th=[ 1003], 50.00th=[ 1053], 60.00th=[ 1099], | 70.00th=[ 1167], 80.00th=[ 1234], 90.00th=[ 1318], 95.00th=[ 1401], | 99.00th=[ 1687], 99.50th=[ 1754], 99.90th=[ 1804], 99.95th=[ 1804], | 99.99th=[ 1838] bw ( KiB/s): min= 7, max= 128, per=25.08%, avg=60.19, stdev=29.29, samples=336 iops : min= 1, max= 32, avg=14.76, stdev= 7.33, samples=336 lat (msec) : 500=0.04%, 750=4.84%, 1000=34.65% cpu : usr=0.09%, sys=0.38%, ctx=1299, 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 rand-write: (groupid=0, jobs=1): err= 0: pid=3263: Thu May 1 21:48:39 2025 write: IOPS=15, BW=60.1KiB/s (61.5kB/s)(10.0MiB/170468msec) slat (usec): min=12, max=7794, avg=233.09, stdev=537.99 clat (msec): min=362, max=2398, avg=1063.37, stdev=230.27 lat (msec): min=362, max=2398, avg=1063.61, stdev=230.29 clat percentiles (msec): | 1.00th=[ 584], 5.00th=[ 751], 10.00th=[ 802], 20.00th=[ 877], | 30.00th=[ 936], 40.00th=[ 995], 50.00th=[ 1045], 60.00th=[ 1099], | 70.00th=[ 1167], 80.00th=[ 1250], 90.00th=[ 1334], 95.00th=[ 1469], | 99.00th=[ 1737], 99.50th=[ 1787], 99.90th=[ 2366], 99.95th=[ 2366], | 99.99th=[ 2400] bw ( KiB/s): min= 7, max= 128, per=26.27%, avg=63.04, stdev=31.63, samples=321 iops : min= 1, max= 32, avg=15.48, stdev= 7.91, samples=321 lat (msec) : 500=0.70%, 750=4.34%, 1000=36.41% cpu : usr=0.09%, sys=0.40%, ctx=1382, 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=3264: Thu May 1 21:48:39 2025 write: IOPS=15, BW=60.0KiB/s (61.5kB/s)(10.0MiB/170570msec) slat (usec): min=13, max=9648, avg=245.24, stdev=630.92 clat (msec): min=132, max=2403, avg=1064.48, stdev=235.35 lat (msec): min=134, max=2405, avg=1064.73, stdev=235.37 clat percentiles (msec): | 1.00th=[ 592], 5.00th=[ 726], 10.00th=[ 793], 20.00th=[ 877], | 30.00th=[ 953], 40.00th=[ 1003], 50.00th=[ 1053], 60.00th=[ 1099], | 70.00th=[ 1167], 80.00th=[ 1234], 90.00th=[ 1334], 95.00th=[ 1435], | 99.00th=[ 1737], 99.50th=[ 1871], 99.90th=[ 2400], 99.95th=[ 2400], | 99.99th=[ 2400] bw ( KiB/s): min= 7, max= 128, per=25.12%, avg=60.29, stdev=27.58, samples=336 iops : min= 1, max= 32, avg=14.85, stdev= 6.92, samples=336 lat (msec) : 250=0.04%, 500=0.59%, 750=6.64%, 1000=32.15% cpu : usr=0.06%, sys=0.43%, 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=240KiB/s (246kB/s), 60.0KiB/s-60.1KiB/s (61.5kB/s-61.5kB/s), io=40.0MiB (41.9MB), run=170468-170624msec 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=3411: Thu May 1 21:50:15 2025 read: IOPS=13, BW=53.3KiB/s (54.6kB/s)(5048KiB/94645msec) slat (usec): min=1779, max=45282, avg=8308.39, stdev=3836.35 clat (msec): min=5, max=731, avg=395.58, stdev=95.31 lat (msec): min=11, max=743, avg=403.90, stdev=96.25 clat percentiles (msec): | 1.00th=[ 205], 5.00th=[ 245], 10.00th=[ 275], 20.00th=[ 321], | 30.00th=[ 347], 40.00th=[ 368], 50.00th=[ 393], 60.00th=[ 414], | 70.00th=[ 443], 80.00th=[ 468], 90.00th=[ 510], 95.00th=[ 558], | 99.00th=[ 667], 99.50th=[ 684], 99.90th=[ 735], 99.95th=[ 735], | 99.99th=[ 735] bw ( KiB/s): min= 8, max= 143, per=24.90%, avg=52.78, stdev=22.79, samples=189 iops : min= 2, max= 35, avg=12.87, stdev= 5.74, samples=189 write: IOPS=13, BW=54.9KiB/s (56.2kB/s)(5192KiB/94645msec) slat (usec): min=12, max=12603, avg=248.90, stdev=652.69 clat (msec): min=214, max=1461, avg=772.19, stdev=223.54 lat (msec): min=214, max=1461, avg=772.44, stdev=223.58 clat percentiles (msec): | 1.00th=[ 347], 5.00th=[ 439], 10.00th=[ 498], 20.00th=[ 567], | 30.00th=[ 634], 40.00th=[ 693], 50.00th=[ 751], 60.00th=[ 810], | 70.00th=[ 894], 80.00th=[ 978], 90.00th=[ 1083], 95.00th=[ 1150], | 99.00th=[ 1334], 99.50th=[ 1401], 99.90th=[ 1452], 99.95th=[ 1469], | 99.99th=[ 1469] bw ( KiB/s): min= 8, max= 120, per=24.59%, avg=54.09, stdev=23.10, samples=189 iops : min= 2, max= 30, avg=13.20, stdev= 5.76, samples=189 lat (msec) : 10=0.04%, 50=0.04%, 100=0.16%, 250=2.46%, 500=45.55% lat (msec) : 750=26.56%, 1000=16.91% cpu : usr=0.19%, sys=1.29%, ctx=2787, majf=0, minf=35 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=3412: Thu May 1 21:50:15 2025 read: IOPS=13, BW=52.6KiB/s (53.9kB/s)(4976KiB/94549msec) slat (usec): min=22, max=39600, avg=8038.21, stdev=4067.01 clat (msec): min=2, max=1138, avg=388.03, stdev=108.04 lat (msec): min=8, max=1152, avg=396.08, stdev=109.23 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 236], 10.00th=[ 275], 20.00th=[ 309], | 30.00th=[ 334], 40.00th=[ 359], 50.00th=[ 384], 60.00th=[ 409], | 70.00th=[ 435], 80.00th=[ 464], 90.00th=[ 506], 95.00th=[ 558], | 99.00th=[ 676], 99.50th=[ 793], 99.90th=[ 1133], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 7, max= 127, per=24.82%, avg=52.62, stdev=23.90, samples=187 iops : min= 1, max= 31, avg=12.93, stdev= 5.98, samples=187 write: IOPS=13, BW=55.7KiB/s (57.0kB/s)(5264KiB/94549msec) slat (usec): min=15, max=8952, avg=260.74, stdev=560.88 clat (msec): min=113, max=1532, avg=773.94, stdev=230.43 lat (msec): min=113, max=1532, avg=774.20, stdev=230.46 clat percentiles (msec): | 1.00th=[ 236], 5.00th=[ 435], 10.00th=[ 485], 20.00th=[ 575], | 30.00th=[ 634], 40.00th=[ 701], 50.00th=[ 760], 60.00th=[ 827], | 70.00th=[ 894], 80.00th=[ 978], 90.00th=[ 1083], 95.00th=[ 1167], | 99.00th=[ 1301], 99.50th=[ 1368], 99.90th=[ 1536], 99.95th=[ 1536], | 99.99th=[ 1536] bw ( KiB/s): min= 7, max= 112, per=25.16%, avg=55.36, stdev=22.85, samples=188 iops : min= 1, max= 28, avg=13.62, stdev= 5.77, samples=188 lat (msec) : 4=0.04%, 20=0.08%, 50=0.20%, 100=0.35%, 250=2.89% lat (msec) : 500=45.43%, 750=24.18%, 1000=18.05% cpu : usr=0.19%, sys=1.29%, ctx=2692, 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=3413: Thu May 1 21:50:15 2025 read: IOPS=13, BW=52.7KiB/s (54.0kB/s)(4984KiB/94503msec) slat (usec): min=1594, max=32507, avg=8135.62, stdev=3880.01 clat (msec): min=5, max=919, avg=389.08, stdev=96.17 lat (msec): min=10, max=926, avg=397.23, stdev=97.18 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 249], 10.00th=[ 284], 20.00th=[ 313], | 30.00th=[ 342], 40.00th=[ 368], 50.00th=[ 388], 60.00th=[ 405], | 70.00th=[ 439], 80.00th=[ 468], 90.00th=[ 510], 95.00th=[ 542], | 99.00th=[ 625], 99.50th=[ 667], 99.90th=[ 701], 99.95th=[ 919], | 99.99th=[ 919] bw ( KiB/s): min= 8, max= 112, per=24.83%, avg=52.64, stdev=22.84, samples=188 iops : min= 2, max= 28, avg=12.91, stdev= 5.71, samples=188 write: IOPS=13, BW=55.6KiB/s (56.0kB/s)(5256KiB/94503msec) slat (usec): min=13, max=4694, avg=242.37, stdev=445.70 clat (msec): min=193, max=1707, avg=772.17, stdev=230.04 lat (msec): min=193, max=1707, avg=772.42, stdev=230.04 clat percentiles (msec): | 1.00th=[ 347], 5.00th=[ 422], 10.00th=[ 489], 20.00th=[ 567], | 30.00th=[ 634], 40.00th=[ 701], 50.00th=[ 751], 60.00th=[ 818], | 70.00th=[ 885], 80.00th=[ 969], 90.00th=[ 1083], 95.00th=[ 1183], | 99.00th=[ 1385], 99.50th=[ 1418], 99.90th=[ 1603], 99.95th=[ 1703], | 99.99th=[ 1703] bw ( KiB/s): min= 15, max= 120, per=24.99%, avg=54.98, stdev=21.54, samples=188 iops : min= 3, max= 30, avg=13.49, stdev= 5.42, samples=188 lat (msec) : 10=0.08%, 20=0.12%, 50=0.12%, 100=0.20%, 250=2.15% lat (msec) : 500=46.29%, 750=25.23%, 1000=17.54% cpu : usr=0.17%, sys=1.35%, ctx=2735, majf=0, minf=33 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=3414: Thu May 1 21:50:15 2025 read: IOPS=13, BW=53.5KiB/s (54.8kB/s)(5060KiB/94545msec) slat (usec): min=1804, max=31482, avg=8201.97, stdev=3825.19 clat (msec): min=32, max=876, avg=392.36, stdev=97.83 lat (msec): min=41, max=890, avg=400.57, stdev=98.89 clat percentiles (msec): | 1.00th=[ 131], 5.00th=[ 247], 10.00th=[ 279], 20.00th=[ 317], | 30.00th=[ 342], 40.00th=[ 363], 50.00th=[ 388], 60.00th=[ 409], | 70.00th=[ 439], 80.00th=[ 468], 90.00th=[ 518], 95.00th=[ 550], | 99.00th=[ 676], 99.50th=[ 684], 99.90th=[ 718], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 7, max= 144, per=25.34%, avg=53.72, stdev=22.54, samples=187 iops : min= 1, max= 36, avg=13.20, stdev= 5.67, samples=187 write: IOPS=13, BW=54.8KiB/s (56.1kB/s)(5180KiB/94545msec) slat (usec): min=13, max=10206, avg=264.51, stdev=609.13 clat (msec): min=293, max=1540, avg=774.71, stdev=227.03 lat (msec): min=294, max=1540, avg=774.98, stdev=227.05 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 430], 10.00th=[ 489], 20.00th=[ 575], | 30.00th=[ 634], 40.00th=[ 693], 50.00th=[ 751], 60.00th=[ 818], | 70.00th=[ 894], 80.00th=[ 978], 90.00th=[ 1083], 95.00th=[ 1183], | 99.00th=[ 1351], 99.50th=[ 1418], 99.90th=[ 1469], 99.95th=[ 1536], | 99.99th=[ 1536] bw ( KiB/s): min= 15, max= 112, per=24.79%, avg=54.53, stdev=21.30, samples=187 iops : min= 3, max= 28, avg=13.40, stdev= 5.36, samples=187 lat (msec) : 50=0.16%, 100=0.23%, 250=2.15%, 500=45.94%, 750=26.05% lat (msec) : 1000=17.07% cpu : usr=0.26%, sys=1.21%, 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=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=212KiB/s (217kB/s), 52.6KiB/s-53.5KiB/s (53.9kB/s-54.8kB/s), io=19.6MiB (20.5MB), run=94503-94645msec WRITE: bw=221KiB/s (226kB/s), 54.8KiB/s-55.7KiB/s (56.1kB/s-57.0kB/s), io=20.4MiB (21.4MB), run=94503-94645msec 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=3494: Thu May 1 21:50:19 2025 read: IOPS=1, BW=62.3MiB/s (65.3MB/s)(40.0MiB/642msec) slat (nsec): min=8760.2k, max=8760.2k, avg=8760164.00, stdev= 0.00 clat (nsec): min=614941k, max=614941k, avg=614941280.00, stdev= 0.00 lat (nsec): min=623740k, max=623740k, avg=623739578.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 617], 5.00th=[ 617], 10.00th=[ 617], 20.00th=[ 617], | 30.00th=[ 617], 40.00th=[ 617], 50.00th=[ 617], 60.00th=[ 617], | 70.00th=[ 617], 80.00th=[ 617], 90.00th=[ 617], 95.00th=[ 617], | 99.00th=[ 617], 99.50th=[ 617], 99.90th=[ 617], 99.95th=[ 617], | 99.99th=[ 617] lat (msec) : 750=100.00% cpu : usr=0.00%, sys=0.94%, ctx=13, 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=62.3MiB/s (65.3MB/s), 62.3MiB/s-62.3MiB/s (65.3MB/s-65.3MB/s), io=40.0MiB (41.9MB), run=642-642msec 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