== sanity test 398c: run fio to test AIO ================= 19:56:22 (1746143782) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.215666 s, 194 MB/s osc.lustre-OST0000-osc-ffff8801302c4000.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=3273: Thu May 1 19:58:35 2025 write: IOPS=19, BW=78.9KiB/s (80.8kB/s)(10.0MiB/129712msec) slat (usec): min=12, max=7283, avg=177.65, stdev=416.92 clat (msec): min=82, max=1494, avg=809.74, stdev=185.59 lat (msec): min=82, max=1494, avg=809.92, stdev=185.58 clat percentiles (msec): | 1.00th=[ 363], 5.00th=[ 527], 10.00th=[ 592], 20.00th=[ 667], | 30.00th=[ 718], 40.00th=[ 768], 50.00th=[ 810], 60.00th=[ 852], | 70.00th=[ 894], 80.00th=[ 953], 90.00th=[ 1036], 95.00th=[ 1116], | 99.00th=[ 1284], 99.50th=[ 1334], 99.90th=[ 1469], 99.95th=[ 1469], | 99.99th=[ 1502] bw ( KiB/s): min= 8, max= 152, per=25.16%, avg=79.26, stdev=31.02, samples=256 iops : min= 2, max= 38, avg=19.61, stdev= 7.78, samples=256 lat (msec) : 100=0.12%, 250=0.59%, 500=3.28%, 750=32.85%, 1000=49.41% cpu : usr=0.08%, sys=0.44%, ctx=1304, 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=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=3274: Thu May 1 19:58:35 2025 write: IOPS=19, BW=78.9KiB/s (80.8kB/s)(10.0MiB/129787msec) slat (usec): min=13, max=5552, avg=200.41, stdev=498.60 clat (msec): min=253, max=1480, avg=809.97, stdev=179.76 lat (msec): min=253, max=1480, avg=810.18, stdev=179.77 clat percentiles (msec): | 1.00th=[ 414], 5.00th=[ 542], 10.00th=[ 592], 20.00th=[ 667], | 30.00th=[ 709], 40.00th=[ 760], 50.00th=[ 802], 60.00th=[ 852], | 70.00th=[ 894], 80.00th=[ 953], 90.00th=[ 1036], 95.00th=[ 1116], | 99.00th=[ 1267], 99.50th=[ 1301], 99.90th=[ 1435], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 7, max= 208, per=24.85%, avg=78.27, stdev=30.36, samples=259 iops : min= 1, max= 52, avg=19.31, stdev= 7.64, samples=259 lat (msec) : 500=3.98%, 750=33.55%, 1000=48.79% cpu : usr=0.07%, sys=0.48%, ctx=1389, 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=3275: Thu May 1 19:58:35 2025 write: IOPS=19, BW=78.8KiB/s (80.7kB/s)(10.0MiB/129877msec) slat (usec): min=11, max=7114, avg=190.22, stdev=446.30 clat (msec): min=340, max=1525, avg=810.59, stdev=179.26 lat (msec): min=340, max=1525, avg=810.78, stdev=179.27 clat percentiles (msec): | 1.00th=[ 380], 5.00th=[ 531], 10.00th=[ 592], 20.00th=[ 667], | 30.00th=[ 709], 40.00th=[ 760], 50.00th=[ 810], 60.00th=[ 852], | 70.00th=[ 894], 80.00th=[ 953], 90.00th=[ 1045], 95.00th=[ 1116], | 99.00th=[ 1250], 99.50th=[ 1301], 99.90th=[ 1502], 99.95th=[ 1519], | 99.99th=[ 1519] bw ( KiB/s): min= 7, max= 192, per=24.94%, avg=78.56, stdev=33.11, samples=258 iops : min= 1, max= 48, avg=19.37, stdev= 8.32, samples=258 lat (msec) : 500=3.01%, 750=34.65%, 1000=48.05% cpu : usr=0.14%, sys=0.39%, ctx=1295, 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=3276: Thu May 1 19:58:35 2025 write: IOPS=19, BW=78.8KiB/s (80.7kB/s)(10.0MiB/129876msec) slat (usec): min=12, max=7106, avg=174.92, stdev=421.91 clat (msec): min=163, max=1494, avg=810.68, stdev=181.76 lat (msec): min=163, max=1494, avg=810.86, stdev=181.77 clat percentiles (msec): | 1.00th=[ 401], 5.00th=[ 535], 10.00th=[ 584], 20.00th=[ 659], | 30.00th=[ 718], 40.00th=[ 760], 50.00th=[ 802], 60.00th=[ 844], | 70.00th=[ 894], 80.00th=[ 953], 90.00th=[ 1062], 95.00th=[ 1133], | 99.00th=[ 1234], 99.50th=[ 1284], 99.90th=[ 1502], 99.95th=[ 1502], | 99.99th=[ 1502] bw ( KiB/s): min= 8, max= 159, per=24.81%, avg=78.14, stdev=32.18, samples=259 iops : min= 2, max= 39, avg=19.32, stdev= 8.04, samples=259 lat (msec) : 250=0.12%, 500=3.05%, 750=33.75%, 1000=48.09% cpu : usr=0.07%, sys=0.43%, ctx=1319, 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 Run status group 0 (all jobs): WRITE: bw=315KiB/s (323kB/s), 78.8KiB/s-78.9KiB/s (80.7kB/s-80.8kB/s), io=40.0MiB (41.9MB), run=129712-129877msec 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=3391: Thu May 1 19:59:59 2025 read: IOPS=15, BW=61.7KiB/s (63.2kB/s)(5048KiB/81785msec) slat (usec): min=21, max=28731, avg=7117.15, stdev=3317.77 clat (msec): min=6, max=1122, avg=332.33, stdev=92.89 lat (msec): min=8, max=1131, avg=339.45, stdev=93.58 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 220], 10.00th=[ 243], 20.00th=[ 275], | 30.00th=[ 292], 40.00th=[ 309], 50.00th=[ 326], 60.00th=[ 342], | 70.00th=[ 359], 80.00th=[ 388], 90.00th=[ 430], 95.00th=[ 481], | 99.00th=[ 558], 99.50th=[ 802], 99.90th=[ 1116], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 16, max= 168, per=25.39%, avg=61.70, stdev=26.72, samples=162 iops : min= 4, max= 42, avg=15.22, stdev= 6.65, samples=162 write: IOPS=15, BW=63.5KiB/s (65.0kB/s)(5192KiB/81785msec) slat (usec): min=12, max=6521, avg=216.30, stdev=467.81 clat (msec): min=93, max=1540, avg=677.01, stdev=192.38 lat (msec): min=93, max=1541, avg=677.23, stdev=192.40 clat percentiles (msec): | 1.00th=[ 255], 5.00th=[ 372], 10.00th=[ 439], 20.00th=[ 514], | 30.00th=[ 567], 40.00th=[ 625], 50.00th=[ 684], 60.00th=[ 726], | 70.00th=[ 785], 80.00th=[ 835], 90.00th=[ 927], 95.00th=[ 995], | 99.00th=[ 1116], 99.50th=[ 1167], 99.90th=[ 1351], 99.95th=[ 1536], | 99.99th=[ 1536] bw ( KiB/s): min= 15, max= 152, per=24.92%, avg=63.04, stdev=22.41, samples=163 iops : min= 3, max= 38, avg=15.55, stdev= 5.64, samples=163 lat (msec) : 10=0.08%, 20=0.16%, 50=0.35%, 100=0.39%, 250=5.39% lat (msec) : 500=50.55%, 750=24.61%, 1000=15.94% cpu : usr=0.38%, sys=1.13%, ctx=2775, 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=3392: Thu May 1 19:59:59 2025 read: IOPS=15, BW=60.4KiB/s (61.8kB/s)(4976KiB/82442msec) slat (usec): min=1896, max=23367, avg=7224.04, stdev=3158.36 clat (msec): min=4, max=610, avg=330.39, stdev=79.09 lat (msec): min=10, max=617, avg=337.62, stdev=79.82 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 222], 10.00th=[ 243], 20.00th=[ 268], | 30.00th=[ 288], 40.00th=[ 309], 50.00th=[ 326], 60.00th=[ 347], | 70.00th=[ 368], 80.00th=[ 397], 90.00th=[ 430], 95.00th=[ 472], | 99.00th=[ 518], 99.50th=[ 542], 99.90th=[ 609], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 8, max= 144, per=24.51%, avg=59.56, stdev=26.57, samples=164 iops : min= 2, max= 36, avg=14.74, stdev= 6.67, samples=164 write: IOPS=15, BW=63.9KiB/s (65.4kB/s)(5264KiB/82442msec) slat (usec): min=13, max=4623, avg=197.60, stdev=396.86 clat (msec): min=79, max=1170, avg=681.83, stdev=187.88 lat (msec): min=79, max=1170, avg=682.03, stdev=187.90 clat percentiles (msec): | 1.00th=[ 279], 5.00th=[ 363], 10.00th=[ 426], 20.00th=[ 523], | 30.00th=[ 584], 40.00th=[ 634], 50.00th=[ 684], 60.00th=[ 743], | 70.00th=[ 785], 80.00th=[ 844], 90.00th=[ 927], 95.00th=[ 986], | 99.00th=[ 1099], 99.50th=[ 1116], 99.90th=[ 1150], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 15, max= 152, per=24.95%, avg=63.12, stdev=22.40, samples=164 iops : min= 3, max= 38, avg=15.63, stdev= 5.61, samples=164 lat (msec) : 10=0.08%, 20=0.04%, 50=0.16%, 100=0.27%, 250=6.13% lat (msec) : 500=49.77%, 750=23.91%, 1000=17.30% cpu : usr=0.09%, sys=1.39%, ctx=2780, 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=3393: Thu May 1 19:59:59 2025 read: IOPS=15, BW=60.4KiB/s (61.9kB/s)(4984KiB/82499msec) slat (usec): min=1660, max=25680, avg=7194.71, stdev=3376.65 clat (msec): min=8, max=583, avg=335.58, stdev=76.57 lat (msec): min=12, max=589, avg=342.79, stdev=77.30 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 234], 10.00th=[ 251], 20.00th=[ 275], | 30.00th=[ 292], 40.00th=[ 313], 50.00th=[ 330], 60.00th=[ 351], | 70.00th=[ 372], 80.00th=[ 401], 90.00th=[ 435], 95.00th=[ 477], | 99.00th=[ 518], 99.50th=[ 527], 99.90th=[ 567], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 8, max= 120, per=24.89%, avg=60.48, stdev=25.09, samples=163 iops : min= 2, max= 30, avg=14.91, stdev= 6.31, samples=163 write: IOPS=15, BW=63.7KiB/s (65.2kB/s)(5256KiB/82499msec) slat (usec): min=13, max=5451, avg=218.83, stdev=499.41 clat (msec): min=118, max=1197, avg=678.11, stdev=188.03 lat (msec): min=118, max=1197, avg=678.33, stdev=188.08 clat percentiles (msec): | 1.00th=[ 279], 5.00th=[ 372], 10.00th=[ 435], 20.00th=[ 514], | 30.00th=[ 575], 40.00th=[ 625], 50.00th=[ 684], 60.00th=[ 735], | 70.00th=[ 785], 80.00th=[ 835], 90.00th=[ 919], 95.00th=[ 1011], | 99.00th=[ 1116], 99.50th=[ 1150], 99.90th=[ 1183], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 16, max= 135, per=24.82%, avg=62.79, stdev=22.07, samples=164 iops : min= 4, max= 33, avg=15.48, stdev= 5.53, samples=164 lat (msec) : 10=0.04%, 50=0.08%, 100=0.27%, 250=4.69%, 500=51.76% lat (msec) : 750=24.41%, 1000=15.94% cpu : usr=0.24%, sys=1.20%, ctx=2701, 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=3394: Thu May 1 19:59:59 2025 read: IOPS=15, BW=61.6KiB/s (63.1kB/s)(5060KiB/82096msec) slat (usec): min=1583, max=25836, avg=7055.65, stdev=3244.69 clat (msec): min=9, max=875, avg=334.53, stdev=81.14 lat (msec): min=13, max=883, avg=341.59, stdev=81.62 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 226], 10.00th=[ 249], 20.00th=[ 271], | 30.00th=[ 292], 40.00th=[ 313], 50.00th=[ 330], 60.00th=[ 351], | 70.00th=[ 368], 80.00th=[ 397], 90.00th=[ 430], 95.00th=[ 477], | 99.00th=[ 550], 99.50th=[ 584], 99.90th=[ 869], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 7, max= 120, per=25.26%, avg=61.38, stdev=23.53, samples=163 iops : min= 1, max= 30, avg=15.04, stdev= 5.96, samples=163 write: IOPS=15, BW=63.1KiB/s (64.6kB/s)(5180KiB/82096msec) slat (usec): min=15, max=5144, avg=212.19, stdev=452.51 clat (msec): min=216, max=1211, avg=678.75, stdev=187.02 lat (msec): min=216, max=1211, avg=678.97, stdev=187.01 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 368], 10.00th=[ 426], 20.00th=[ 510], | 30.00th=[ 575], 40.00th=[ 634], 50.00th=[ 684], 60.00th=[ 735], | 70.00th=[ 785], 80.00th=[ 835], 90.00th=[ 919], 95.00th=[ 986], | 99.00th=[ 1116], 99.50th=[ 1183], 99.90th=[ 1200], 99.95th=[ 1217], | 99.99th=[ 1217] bw ( KiB/s): min= 15, max= 144, per=24.63%, avg=62.32, stdev=22.70, samples=164 iops : min= 3, max= 36, avg=15.27, stdev= 5.76, samples=164 lat (msec) : 10=0.04%, 50=0.16%, 100=0.31%, 250=5.12%, 500=51.41% lat (msec) : 750=24.30%, 1000=16.33% cpu : usr=0.16%, sys=1.29%, ctx=2759, 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=243KiB/s (249kB/s), 60.4KiB/s-61.7KiB/s (61.8kB/s-63.2kB/s), io=19.6MiB (20.5MB), run=81785-82499msec WRITE: bw=253KiB/s (259kB/s), 63.1KiB/s-63.9KiB/s (64.6kB/s-65.4kB/s), io=20.4MiB (21.4MB), run=81785-82499msec 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=3464: Thu May 1 20:00:02 2025 read: IOPS=2, BW=84.2MiB/s (88.3MB/s)(40.0MiB/475msec) slat (nsec): min=18596k, max=18596k, avg=18595905.00, stdev= 0.00 clat (nsec): min=431968k, max=431968k, avg=431967698.00, stdev= 0.00 lat (nsec): min=450588k, max=450588k, avg=450587820.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 430], 10.00th=[ 430], 20.00th=[ 430], | 30.00th=[ 430], 40.00th=[ 430], 50.00th=[ 430], 60.00th=[ 430], | 70.00th=[ 430], 80.00th=[ 430], 90.00th=[ 430], 95.00th=[ 430], | 99.00th=[ 430], 99.50th=[ 430], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] lat (msec) : 500=100.00% cpu : usr=0.63%, sys=2.53%, ctx=4, 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=84.2MiB/s (88.3MB/s), 84.2MiB/s-84.2MiB/s (88.3MB/s-88.3MB/s), io=40.0MiB (41.9MB), run=475-475msec 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