== sanity test 398c: run fio to test AIO ================= 21:30:12 (1746149412) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.130661 s, 321 MB/s osc.lustre-OST0000-osc-ffff88012aae1000.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=3382: Thu May 1 21:31:48 2025 write: IOPS=27, BW=110KiB/s (113kB/s)(10.0MiB/93090msec) slat (usec): min=11, max=3937, avg=147.95, stdev=316.88 clat (msec): min=76, max=1196, avg=581.05, stdev=135.48 lat (msec): min=76, max=1196, avg=581.20, stdev=135.50 clat percentiles (msec): | 1.00th=[ 184], 5.00th=[ 372], 10.00th=[ 418], 20.00th=[ 472], | 30.00th=[ 514], 40.00th=[ 550], 50.00th=[ 592], 60.00th=[ 617], | 70.00th=[ 659], 80.00th=[ 693], 90.00th=[ 743], 95.00th=[ 776], | 99.00th=[ 894], 99.50th=[ 953], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 32, max= 271, per=24.93%, avg=109.68, stdev=30.65, samples=185 iops : min= 8, max= 67, avg=27.15, stdev= 7.68, samples=185 lat (msec) : 100=0.39%, 250=1.37%, 500=25.59%, 750=63.59%, 1000=8.79% cpu : usr=0.15%, sys=0.55%, ctx=1591, 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=3383: Thu May 1 21:31:48 2025 write: IOPS=27, BW=110KiB/s (113kB/s)(10.0MiB/93090msec) slat (usec): min=12, max=6398, avg=144.97, stdev=342.29 clat (msec): min=97, max=1050, avg=580.86, stdev=131.85 lat (msec): min=98, max=1050, avg=581.01, stdev=131.86 clat percentiles (msec): | 1.00th=[ 224], 5.00th=[ 380], 10.00th=[ 418], 20.00th=[ 472], | 30.00th=[ 518], 40.00th=[ 558], 50.00th=[ 592], 60.00th=[ 617], | 70.00th=[ 651], 80.00th=[ 693], 90.00th=[ 743], 95.00th=[ 785], | 99.00th=[ 885], 99.50th=[ 902], 99.90th=[ 1028], 99.95th=[ 1028], | 99.99th=[ 1053] bw ( KiB/s): min= 48, max= 256, per=24.93%, avg=109.70, stdev=30.38, samples=185 iops : min= 12, max= 64, avg=27.26, stdev= 7.63, samples=185 lat (msec) : 100=0.62%, 250=1.02%, 500=23.91%, 750=65.62%, 1000=8.67% cpu : usr=0.13%, sys=0.53%, ctx=1528, 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=3384: Thu May 1 21:31:48 2025 write: IOPS=27, BW=110KiB/s (113kB/s)(10.0MiB/93090msec) slat (usec): min=11, max=5486, avg=134.34, stdev=322.04 clat (msec): min=98, max=1233, avg=580.75, stdev=137.30 lat (msec): min=98, max=1233, avg=580.88, stdev=137.31 clat percentiles (msec): | 1.00th=[ 157], 5.00th=[ 372], 10.00th=[ 414], 20.00th=[ 468], | 30.00th=[ 514], 40.00th=[ 550], 50.00th=[ 592], 60.00th=[ 617], | 70.00th=[ 651], 80.00th=[ 693], 90.00th=[ 743], 95.00th=[ 776], | 99.00th=[ 902], 99.50th=[ 944], 99.90th=[ 1200], 99.95th=[ 1234], | 99.99th=[ 1234] bw ( KiB/s): min= 40, max= 256, per=24.93%, avg=109.69, stdev=33.39, samples=185 iops : min= 10, max= 64, avg=27.16, stdev= 8.33, samples=185 lat (msec) : 100=0.62%, 250=1.41%, 500=25.62%, 750=63.91%, 1000=8.05% cpu : usr=0.16%, sys=0.48%, ctx=1478, 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=3385: Thu May 1 21:31:48 2025 write: IOPS=27, BW=110KiB/s (113kB/s)(10.0MiB/92985msec) slat (usec): min=11, max=4253, avg=139.34, stdev=305.92 clat (msec): min=143, max=1092, avg=580.36, stdev=132.94 lat (msec): min=143, max=1092, avg=580.50, stdev=132.95 clat percentiles (msec): | 1.00th=[ 197], 5.00th=[ 380], 10.00th=[ 418], 20.00th=[ 468], | 30.00th=[ 518], 40.00th=[ 558], 50.00th=[ 592], 60.00th=[ 617], | 70.00th=[ 651], 80.00th=[ 684], 90.00th=[ 743], 95.00th=[ 785], | 99.00th=[ 894], 99.50th=[ 919], 99.90th=[ 1020], 99.95th=[ 1020], | 99.99th=[ 1099] bw ( KiB/s): min= 32, max= 256, per=24.96%, avg=109.82, stdev=30.68, samples=185 iops : min= 8, max= 64, avg=27.29, stdev= 7.67, samples=185 lat (msec) : 250=2.11%, 500=24.92%, 750=63.71%, 1000=9.14% cpu : usr=0.07%, sys=0.60%, ctx=1538, 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=440KiB/s (451kB/s), 110KiB/s-110KiB/s (113kB/s-113kB/s), io=40.0MiB (41.9MB), run=92985-93090msec 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=3469: Thu May 1 21:32:45 2025 read: IOPS=22, BW=89.9KiB/s (92.1kB/s)(5048KiB/56154msec) slat (usec): min=13, max=25434, avg=4742.79, stdev=2535.98 clat (msec): min=5, max=795, avg=224.75, stdev=70.89 lat (msec): min=8, max=802, avg=229.50, stdev=71.69 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 133], 10.00th=[ 150], 20.00th=[ 174], | 30.00th=[ 188], 40.00th=[ 205], 50.00th=[ 222], 60.00th=[ 236], | 70.00th=[ 251], 80.00th=[ 275], 90.00th=[ 300], 95.00th=[ 338], | 99.00th=[ 384], 99.50th=[ 617], 99.90th=[ 743], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 16, max= 208, per=25.16%, avg=89.31, stdev=34.86, samples=112 iops : min= 4, max= 52, avg=22.14, stdev= 8.76, samples=112 write: IOPS=23, BW=92.5KiB/s (94.7kB/s)(5192KiB/56154msec) slat (usec): min=13, max=3416, avg=131.74, stdev=237.37 clat (msec): min=69, max=899, avg=468.21, stdev=143.56 lat (msec): min=69, max=899, avg=468.34, stdev=143.56 clat percentiles (msec): | 1.00th=[ 184], 5.00th=[ 255], 10.00th=[ 288], 20.00th=[ 334], | 30.00th=[ 380], 40.00th=[ 418], 50.00th=[ 464], 60.00th=[ 502], | 70.00th=[ 542], 80.00th=[ 600], 90.00th=[ 659], 95.00th=[ 701], | 99.00th=[ 835], 99.50th=[ 844], 99.90th=[ 877], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 23, max= 192, per=24.92%, avg=91.96, stdev=30.16, samples=112 iops : min= 5, max= 48, avg=22.79, stdev= 7.57, samples=112 lat (msec) : 10=0.12%, 50=0.12%, 100=0.74%, 250=35.66%, 500=42.38% lat (msec) : 750=19.53%, 1000=1.45% cpu : usr=0.16%, sys=1.58%, ctx=2684, 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=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=3470: Thu May 1 21:32:45 2025 read: IOPS=22, BW=88.3KiB/s (90.4kB/s)(4976KiB/56346msec) slat (usec): min=1198, max=20483, avg=4846.29, stdev=2418.98 clat (msec): min=5, max=560, avg=225.94, stdev=63.23 lat (msec): min=8, max=566, avg=230.79, stdev=64.03 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 138], 10.00th=[ 150], 20.00th=[ 174], | 30.00th=[ 190], 40.00th=[ 207], 50.00th=[ 222], 60.00th=[ 239], | 70.00th=[ 255], 80.00th=[ 279], 90.00th=[ 309], 95.00th=[ 330], | 99.00th=[ 384], 99.50th=[ 393], 99.90th=[ 558], 99.95th=[ 558], | 99.99th=[ 558] bw ( KiB/s): min= 16, max= 192, per=24.80%, avg=88.04, stdev=35.36, samples=112 iops : min= 4, max= 48, avg=21.79, stdev= 8.88, samples=112 write: IOPS=23, BW=93.4KiB/s (95.7kB/s)(5264KiB/56346msec) slat (usec): min=14, max=10000, avg=150.89, stdev=383.05 clat (msec): min=63, max=869, avg=465.65, stdev=142.27 lat (msec): min=63, max=869, avg=465.81, stdev=142.28 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 249], 10.00th=[ 288], 20.00th=[ 334], | 30.00th=[ 372], 40.00th=[ 418], 50.00th=[ 464], 60.00th=[ 502], | 70.00th=[ 542], 80.00th=[ 600], 90.00th=[ 659], 95.00th=[ 701], | 99.00th=[ 810], 99.50th=[ 844], 99.90th=[ 860], 99.95th=[ 869], | 99.99th=[ 869] bw ( KiB/s): min= 40, max= 200, per=25.23%, avg=93.12, stdev=32.48, samples=112 iops : min= 10, max= 50, avg=23.06, stdev= 8.16, samples=112 lat (msec) : 10=0.08%, 50=0.27%, 100=0.23%, 250=34.92%, 500=43.44% lat (msec) : 750=19.57%, 1000=1.48% cpu : usr=0.29%, sys=1.44%, ctx=2732, 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=3471: Thu May 1 21:32:45 2025 read: IOPS=22, BW=88.2KiB/s (90.3kB/s)(4984KiB/56498msec) slat (usec): min=1314, max=17876, avg=4878.54, stdev=2357.71 clat (msec): min=7, max=431, avg=224.64, stdev=58.16 lat (msec): min=11, max=442, avg=229.52, stdev=59.08 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 140], 10.00th=[ 153], 20.00th=[ 174], | 30.00th=[ 190], 40.00th=[ 207], 50.00th=[ 222], 60.00th=[ 239], | 70.00th=[ 253], 80.00th=[ 271], 90.00th=[ 305], 95.00th=[ 326], | 99.00th=[ 376], 99.50th=[ 393], 99.90th=[ 422], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 23, max= 184, per=24.72%, avg=87.75, stdev=35.82, samples=112 iops : min= 5, max= 46, avg=21.64, stdev= 8.94, samples=112 write: IOPS=23, BW=93.0KiB/s (95.3kB/s)(5256KiB/56498msec) slat (usec): min=15, max=3736, avg=148.02, stdev=292.58 clat (msec): min=143, max=874, avg=468.93, stdev=139.35 lat (msec): min=143, max=875, avg=469.07, stdev=139.36 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 249], 10.00th=[ 292], 20.00th=[ 342], | 30.00th=[ 384], 40.00th=[ 422], 50.00th=[ 468], 60.00th=[ 506], | 70.00th=[ 542], 80.00th=[ 592], 90.00th=[ 651], 95.00th=[ 701], | 99.00th=[ 810], 99.50th=[ 844], 99.90th=[ 852], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 32, max= 183, per=24.85%, avg=91.68, stdev=28.65, samples=112 iops : min= 8, max= 45, avg=22.62, stdev= 7.17, samples=112 lat (msec) : 10=0.04%, 20=0.04%, 50=0.12%, 250=35.86%, 500=43.05% lat (msec) : 750=19.73%, 1000=1.17% cpu : usr=0.35%, sys=1.41%, ctx=2799, 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=3472: Thu May 1 21:32:45 2025 read: IOPS=22, BW=89.0KiB/s (92.1kB/s)(5060KiB/56230msec) slat (usec): min=1171, max=24604, avg=4839.33, stdev=2439.09 clat (msec): min=5, max=875, avg=225.35, stdev=70.61 lat (msec): min=9, max=885, avg=230.20, stdev=71.41 clat percentiles (msec): | 1.00th=[ 116], 5.00th=[ 142], 10.00th=[ 153], 20.00th=[ 174], | 30.00th=[ 188], 40.00th=[ 203], 50.00th=[ 220], 60.00th=[ 234], | 70.00th=[ 251], 80.00th=[ 271], 90.00th=[ 300], 95.00th=[ 321], | 99.00th=[ 393], 99.50th=[ 558], 99.90th=[ 869], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 15, max= 192, per=25.42%, avg=90.24, stdev=35.68, samples=111 iops : min= 3, max= 48, avg=22.32, stdev= 8.93, samples=111 write: IOPS=23, BW=92.1KiB/s (94.3kB/s)(5180KiB/56230msec) slat (usec): min=12, max=7337, avg=148.84, stdev=342.24 clat (msec): min=168, max=935, avg=468.27, stdev=144.70 lat (msec): min=168, max=936, avg=468.42, stdev=144.71 clat percentiles (msec): | 1.00th=[ 205], 5.00th=[ 253], 10.00th=[ 284], 20.00th=[ 330], | 30.00th=[ 376], 40.00th=[ 414], 50.00th=[ 464], 60.00th=[ 502], | 70.00th=[ 550], 80.00th=[ 600], 90.00th=[ 659], 95.00th=[ 709], | 99.00th=[ 818], 99.50th=[ 869], 99.90th=[ 936], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 39, max= 184, per=24.84%, avg=91.66, stdev=27.70, samples=112 iops : min= 9, max= 46, avg=22.67, stdev= 6.99, samples=112 lat (msec) : 10=0.04%, 20=0.04%, 50=0.08%, 100=0.12%, 250=36.48% lat (msec) : 500=42.77%, 750=18.63%, 1000=1.84% cpu : usr=0.11%, sys=1.69%, ctx=2748, 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=355KiB/s (364kB/s), 88.2KiB/s-89.0KiB/s (90.3kB/s-92.1kB/s), io=19.6MiB (20.5MB), run=56154-56498msec WRITE: bw=370KiB/s (379kB/s), 92.1KiB/s-93.4KiB/s (94.3kB/s-95.7kB/s), io=20.4MiB (21.4MB), run=56154-56498msec 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=3521: Thu May 1 21:32:47 2025 read: IOPS=5, BW=221MiB/s (232MB/s)(40.0MiB/181msec) slat (nsec): min=6115.3k, max=6115.3k, avg=6115253.00, stdev= 0.00 clat (nsec): min=168566k, max=168566k, avg=168566143.00, stdev= 0.00 lat (nsec): min=174703k, max=174703k, avg=174702617.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 169], 10.00th=[ 169], 20.00th=[ 169], | 30.00th=[ 169], 40.00th=[ 169], 50.00th=[ 169], 60.00th=[ 169], | 70.00th=[ 169], 80.00th=[ 169], 90.00th=[ 169], 95.00th=[ 169], | 99.00th=[ 169], 99.50th=[ 169], 99.90th=[ 169], 99.95th=[ 169], | 99.99th=[ 169] lat (msec) : 250=100.00% cpu : usr=0.56%, sys=1.67%, ctx=17, 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=221MiB/s (232MB/s), 221MiB/s-221MiB/s (232MB/s-232MB/s), io=40.0MiB (41.9MB), run=181-181msec 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