== sanity test 398c: run fio to test AIO ================= 23:36:31 (1746156991) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.158916 s, 264 MB/s osc.lustre-OST0000-osc-ffff88012dc3b800.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=5669: Thu May 1 23:38:20 2025 write: IOPS=23, BW=95.3KiB/s (97.6kB/s)(10.0MiB/107402msec) slat (usec): min=12, max=5492, avg=143.64, stdev=327.13 clat (msec): min=52, max=1677, avg=670.21, stdev=162.98 lat (msec): min=52, max=1677, avg=670.36, stdev=163.00 clat percentiles (msec): | 1.00th=[ 279], 5.00th=[ 414], 10.00th=[ 468], 20.00th=[ 550], | 30.00th=[ 600], 40.00th=[ 634], 50.00th=[ 676], 60.00th=[ 709], | 70.00th=[ 751], 80.00th=[ 793], 90.00th=[ 852], 95.00th=[ 919], | 99.00th=[ 1083], 99.50th=[ 1167], 99.90th=[ 1301], 99.95th=[ 1519], | 99.99th=[ 1670] bw ( KiB/s): min= 7, max= 256, per=24.89%, avg=94.83, stdev=33.75, samples=214 iops : min= 1, max= 64, avg=23.47, stdev= 8.49, samples=214 lat (msec) : 100=0.62%, 250=0.20%, 500=12.97%, 750=56.09%, 1000=27.77% cpu : usr=0.08%, sys=0.50%, ctx=1460, 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=5670: Thu May 1 23:38:20 2025 write: IOPS=23, BW=95.5KiB/s (97.8kB/s)(10.0MiB/107227msec) slat (usec): min=12, max=7772, avg=154.36, stdev=400.14 clat (msec): min=71, max=1710, avg=669.24, stdev=166.60 lat (msec): min=71, max=1710, avg=669.40, stdev=166.61 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 409], 10.00th=[ 468], 20.00th=[ 550], | 30.00th=[ 592], 40.00th=[ 634], 50.00th=[ 676], 60.00th=[ 709], | 70.00th=[ 751], 80.00th=[ 802], 90.00th=[ 860], 95.00th=[ 911], | 99.00th=[ 1116], 99.50th=[ 1183], 99.90th=[ 1401], 99.95th=[ 1653], | 99.99th=[ 1703] bw ( KiB/s): min= 32, max= 264, per=25.02%, avg=95.33, stdev=31.09, samples=213 iops : min= 8, max= 66, avg=23.64, stdev= 7.81, samples=213 lat (msec) : 100=0.70%, 250=0.51%, 500=12.54%, 750=56.41%, 1000=27.58% cpu : usr=0.14%, sys=0.47%, ctx=1523, 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=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=5671: Thu May 1 23:38:20 2025 write: IOPS=23, BW=95.3KiB/s (97.6kB/s)(10.0MiB/107457msec) slat (usec): min=15, max=8435, avg=159.42, stdev=468.80 clat (msec): min=41, max=1443, avg=670.78, stdev=166.34 lat (msec): min=41, max=1443, avg=670.94, stdev=166.35 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 409], 10.00th=[ 472], 20.00th=[ 550], | 30.00th=[ 600], 40.00th=[ 642], 50.00th=[ 676], 60.00th=[ 709], | 70.00th=[ 751], 80.00th=[ 785], 90.00th=[ 860], 95.00th=[ 919], | 99.00th=[ 1116], 99.50th=[ 1200], 99.90th=[ 1351], 99.95th=[ 1351], | 99.99th=[ 1452] bw ( KiB/s): min= 8, max= 280, per=25.00%, avg=95.26, stdev=33.54, samples=213 iops : min= 2, max= 70, avg=23.57, stdev= 8.39, samples=213 lat (msec) : 50=0.35%, 100=0.39%, 250=0.51%, 500=12.07%, 750=57.30% lat (msec) : 1000=26.76% cpu : usr=0.17%, sys=0.42%, ctx=1441, 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=5672: Thu May 1 23:38:20 2025 write: IOPS=23, BW=95.3KiB/s (97.6kB/s)(10.0MiB/107458msec) slat (usec): min=15, max=7613, avg=134.01, stdev=342.42 clat (msec): min=53, max=1247, avg=670.80, stdev=158.03 lat (msec): min=53, max=1247, avg=670.94, stdev=158.04 clat percentiles (msec): | 1.00th=[ 279], 5.00th=[ 414], 10.00th=[ 481], 20.00th=[ 550], | 30.00th=[ 600], 40.00th=[ 634], 50.00th=[ 667], 60.00th=[ 718], | 70.00th=[ 751], 80.00th=[ 802], 90.00th=[ 869], 95.00th=[ 919], | 99.00th=[ 1045], 99.50th=[ 1116], 99.90th=[ 1217], 99.95th=[ 1234], | 99.99th=[ 1250] bw ( KiB/s): min= 7, max= 256, per=24.86%, avg=94.72, stdev=35.06, samples=214 iops : min= 1, max= 64, avg=23.40, stdev= 8.79, samples=214 lat (msec) : 100=0.62%, 500=12.38%, 750=57.23%, 1000=27.93% cpu : usr=0.15%, sys=0.40%, ctx=1363, majf=0, minf=27 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=381KiB/s (390kB/s), 95.3KiB/s-95.5KiB/s (97.6kB/s-97.8kB/s), io=40.0MiB (41.9MB), run=107227-107458msec 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=5768: Thu May 1 23:39:32 2025 read: IOPS=18, BW=72.8KiB/s (74.6kB/s)(5048KiB/69308msec) slat (usec): min=1644, max=30157, avg=6526.59, stdev=3084.98 clat (msec): min=29, max=796, avg=283.69, stdev=65.09 lat (msec): min=33, max=800, avg=290.22, stdev=65.69 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 194], 10.00th=[ 211], 20.00th=[ 234], | 30.00th=[ 253], 40.00th=[ 268], 50.00th=[ 279], 60.00th=[ 296], | 70.00th=[ 313], 80.00th=[ 334], 90.00th=[ 359], 95.00th=[ 384], | 99.00th=[ 447], 99.50th=[ 451], 99.90th=[ 743], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 16, max= 208, per=25.16%, avg=72.72, stdev=29.82, samples=138 iops : min= 4, max= 52, avg=17.98, stdev= 7.42, samples=138 write: IOPS=18, BW=74.9KiB/s (76.7kB/s)(5192KiB/69308msec) slat (usec): min=13, max=7341, avg=189.28, stdev=460.40 clat (msec): min=204, max=1052, avg=570.03, stdev=148.12 lat (msec): min=204, max=1052, avg=570.22, stdev=148.13 clat percentiles (msec): | 1.00th=[ 275], 5.00th=[ 338], 10.00th=[ 376], 20.00th=[ 439], | 30.00th=[ 489], 40.00th=[ 527], 50.00th=[ 567], 60.00th=[ 609], | 70.00th=[ 642], 80.00th=[ 676], 90.00th=[ 776], 95.00th=[ 844], | 99.00th=[ 944], 99.50th=[ 953], 99.90th=[ 1045], 99.95th=[ 1053], | 99.99th=[ 1053] bw ( KiB/s): min= 23, max= 152, per=24.68%, avg=74.28, stdev=24.56, samples=138 iops : min= 5, max= 38, avg=18.37, stdev= 6.17, samples=138 lat (msec) : 50=0.16%, 100=0.27%, 250=13.79%, 500=51.64%, 750=27.93% lat (msec) : 1000=6.09% cpu : usr=0.15%, sys=1.52%, ctx=2727, 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=5769: Thu May 1 23:39:32 2025 read: IOPS=17, BW=71.7KiB/s (73.5kB/s)(4976KiB/69365msec) slat (usec): min=1420, max=38084, avg=6724.23, stdev=3211.35 clat (msec): min=7, max=507, avg=282.90, stdev=63.37 lat (msec): min=12, max=512, avg=289.63, stdev=64.07 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 194], 10.00th=[ 209], 20.00th=[ 232], | 30.00th=[ 251], 40.00th=[ 268], 50.00th=[ 279], 60.00th=[ 296], | 70.00th=[ 313], 80.00th=[ 334], 90.00th=[ 359], 95.00th=[ 393], | 99.00th=[ 439], 99.50th=[ 447], 99.90th=[ 506], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 16, max= 136, per=24.64%, avg=71.20, stdev=27.22, samples=138 iops : min= 4, max= 34, avg=17.54, stdev= 6.86, samples=138 write: IOPS=18, BW=75.9KiB/s (77.7kB/s)(5264KiB/69365msec) slat (usec): min=12, max=4700, avg=170.91, stdev=359.84 clat (msec): min=190, max=1023, avg=568.28, stdev=142.68 lat (msec): min=190, max=1024, avg=568.45, stdev=142.68 clat percentiles (msec): | 1.00th=[ 275], 5.00th=[ 347], 10.00th=[ 380], 20.00th=[ 451], | 30.00th=[ 489], 40.00th=[ 531], 50.00th=[ 558], 60.00th=[ 592], | 70.00th=[ 634], 80.00th=[ 676], 90.00th=[ 760], 95.00th=[ 835], | 99.00th=[ 953], 99.50th=[ 961], 99.90th=[ 1011], 99.95th=[ 1028], | 99.99th=[ 1028] bw ( KiB/s): min= 23, max= 143, per=24.96%, avg=75.14, stdev=23.59, samples=138 iops : min= 5, max= 35, avg=18.53, stdev= 5.92, samples=138 lat (msec) : 10=0.04%, 20=0.04%, 50=0.12%, 100=0.31%, 250=13.98% lat (msec) : 500=50.66%, 750=29.45%, 1000=5.27% cpu : usr=0.32%, sys=1.31%, ctx=2750, 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=5770: Thu May 1 23:39:32 2025 read: IOPS=17, BW=71.9KiB/s (73.6kB/s)(4984KiB/69310msec) slat (usec): min=14, max=38278, avg=6669.82, stdev=3242.34 clat (msec): min=8, max=726, avg=283.36, stdev=63.67 lat (msec): min=15, max=735, avg=290.03, stdev=64.48 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 199], 10.00th=[ 213], 20.00th=[ 236], | 30.00th=[ 251], 40.00th=[ 266], 50.00th=[ 279], 60.00th=[ 296], | 70.00th=[ 313], 80.00th=[ 334], 90.00th=[ 355], 95.00th=[ 393], | 99.00th=[ 447], 99.50th=[ 456], 99.90th=[ 493], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 8, max= 167, per=24.83%, avg=71.77, stdev=29.26, samples=138 iops : min= 2, max= 41, avg=17.68, stdev= 7.35, samples=138 write: IOPS=18, BW=75.8KiB/s (77.7kB/s)(5256KiB/69310msec) slat (usec): min=14, max=4478, avg=191.21, stdev=433.18 clat (msec): min=117, max=1006, avg=568.12, stdev=147.91 lat (msec): min=117, max=1006, avg=568.32, stdev=147.93 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 338], 10.00th=[ 376], 20.00th=[ 443], | 30.00th=[ 489], 40.00th=[ 535], 50.00th=[ 567], 60.00th=[ 609], | 70.00th=[ 642], 80.00th=[ 676], 90.00th=[ 768], 95.00th=[ 835], | 99.00th=[ 902], 99.50th=[ 919], 99.90th=[ 953], 99.95th=[ 1003], | 99.99th=[ 1003] bw ( KiB/s): min= 32, max= 136, per=24.94%, avg=75.07, stdev=21.26, samples=138 iops : min= 8, max= 34, avg=18.51, stdev= 5.32, samples=138 lat (msec) : 10=0.08%, 20=0.08%, 50=0.23%, 100=0.16%, 250=14.38% lat (msec) : 500=50.62%, 750=28.36%, 1000=6.05% cpu : usr=0.19%, sys=1.46%, ctx=2777, 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=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=5771: Thu May 1 23:39:32 2025 read: IOPS=18, BW=72.9KiB/s (74.7kB/s)(5060KiB/69364msec) slat (usec): min=1513, max=29536, avg=6570.17, stdev=3041.83 clat (msec): min=5, max=472, avg=283.38, stdev=62.93 lat (msec): min=10, max=477, avg=289.96, stdev=63.59 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 194], 10.00th=[ 207], 20.00th=[ 234], | 30.00th=[ 251], 40.00th=[ 268], 50.00th=[ 284], 60.00th=[ 296], | 70.00th=[ 313], 80.00th=[ 334], 90.00th=[ 363], 95.00th=[ 397], | 99.00th=[ 439], 99.50th=[ 456], 99.90th=[ 464], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 15, max= 192, per=25.39%, avg=73.37, stdev=27.05, samples=137 iops : min= 3, max= 48, avg=18.10, stdev= 6.81, samples=137 write: IOPS=18, BW=74.7KiB/s (76.5kB/s)(5180KiB/69364msec) slat (usec): min=15, max=5699, avg=191.35, stdev=435.99 clat (msec): min=203, max=1061, avg=572.05, stdev=148.07 lat (msec): min=203, max=1062, avg=572.24, stdev=148.08 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 342], 10.00th=[ 384], 20.00th=[ 443], | 30.00th=[ 489], 40.00th=[ 527], 50.00th=[ 567], 60.00th=[ 600], | 70.00th=[ 634], 80.00th=[ 684], 90.00th=[ 776], 95.00th=[ 844], | 99.00th=[ 953], 99.50th=[ 969], 99.90th=[ 1045], 99.95th=[ 1062], | 99.99th=[ 1062] bw ( KiB/s): min= 16, max= 136, per=24.54%, avg=73.88, stdev=23.67, samples=138 iops : min= 4, max= 34, avg=18.22, stdev= 5.93, samples=138 lat (msec) : 10=0.04%, 20=0.04%, 100=0.31%, 250=14.49%, 500=50.70% lat (msec) : 750=27.97%, 1000=6.29% cpu : usr=0.16%, sys=1.50%, ctx=2788, 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=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=289KiB/s (296kB/s), 71.7KiB/s-72.9KiB/s (73.5kB/s-74.7kB/s), io=19.6MiB (20.5MB), run=69308-69365msec WRITE: bw=301KiB/s (308kB/s), 74.7KiB/s-75.9KiB/s (76.5kB/s-77.7kB/s), io=20.4MiB (21.4MB), run=69308-69365msec 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=5831: Thu May 1 23:39:34 2025 read: IOPS=2, BW=116MiB/s (122MB/s)(40.0MiB/344msec) slat (nsec): min=7439.4k, max=7439.4k, avg=7439421.00, stdev= 0.00 clat (nsec): min=324275k, max=324275k, avg=324274747.00, stdev= 0.00 lat (nsec): min=331737k, max=331737k, avg=331736948.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 326], 10.00th=[ 326], 20.00th=[ 326], | 30.00th=[ 326], 40.00th=[ 326], 50.00th=[ 326], 60.00th=[ 326], | 70.00th=[ 326], 80.00th=[ 326], 90.00th=[ 326], 95.00th=[ 326], | 99.00th=[ 326], 99.50th=[ 326], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=1.17%, ctx=44, 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=116MiB/s (122MB/s), 116MiB/s-116MiB/s (122MB/s-122MB/s), io=40.0MiB (41.9MB), run=344-344msec 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