== sanity test 398c: run fio to test AIO ================= 20:51:53 (1746147113) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.261635 s, 160 MB/s osc.lustre-OST0000-osc-ffff8800b61c9000.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=718: Thu May 1 20:54:54 2025 write: IOPS=14, BW=57.6KiB/s (58.0kB/s)(10.0MiB/177726msec) slat (usec): min=12, max=9753, avg=282.36, stdev=732.58 clat (msec): min=157, max=2901, avg=1108.74, stdev=265.04 lat (msec): min=157, max=2901, avg=1109.02, stdev=265.07 clat percentiles (msec): | 1.00th=[ 426], 5.00th=[ 693], 10.00th=[ 785], 20.00th=[ 902], | 30.00th=[ 978], 40.00th=[ 1045], 50.00th=[ 1116], 60.00th=[ 1167], | 70.00th=[ 1234], 80.00th=[ 1318], 90.00th=[ 1435], 95.00th=[ 1519], | 99.00th=[ 1670], 99.50th=[ 1754], 99.90th=[ 2735], 99.95th=[ 2802], | 99.99th=[ 2903] bw ( KiB/s): min= 7, max= 207, per=24.91%, avg=57.28, stdev=25.31, samples=353 iops : min= 1, max= 51, avg=14.03, stdev= 6.35, samples=353 lat (msec) : 250=0.08%, 500=2.11%, 750=5.35%, 1000=25.31% cpu : usr=0.09%, sys=0.42%, ctx=1506, 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=719: Thu May 1 20:54:54 2025 write: IOPS=14, BW=57.8KiB/s (59.2kB/s)(10.0MiB/177158msec) slat (usec): min=11, max=8810, avg=241.58, stdev=672.14 clat (msec): min=112, max=2861, avg=1105.39, stdev=269.35 lat (msec): min=112, max=2861, avg=1105.64, stdev=269.37 clat percentiles (msec): | 1.00th=[ 380], 5.00th=[ 693], 10.00th=[ 776], 20.00th=[ 902], | 30.00th=[ 986], 40.00th=[ 1053], 50.00th=[ 1116], 60.00th=[ 1183], | 70.00th=[ 1234], 80.00th=[ 1318], 90.00th=[ 1435], 95.00th=[ 1502], | 99.00th=[ 1670], 99.50th=[ 1737], 99.90th=[ 2601], 99.95th=[ 2869], | 99.99th=[ 2869] bw ( KiB/s): min= 7, max= 136, per=25.04%, avg=57.58, stdev=27.81, samples=351 iops : min= 1, max= 34, avg=14.09, stdev= 6.96, samples=351 lat (msec) : 250=0.62%, 500=1.91%, 750=5.70%, 1000=23.87% cpu : usr=0.07%, sys=0.38%, ctx=1381, 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=720: Thu May 1 20:54:54 2025 write: IOPS=14, BW=57.6KiB/s (59.0kB/s)(10.0MiB/177673msec) slat (usec): min=12, max=11298, avg=251.45, stdev=722.37 clat (msec): min=150, max=2633, avg=1108.48, stdev=266.49 lat (msec): min=150, max=2633, avg=1108.73, stdev=266.52 clat percentiles (msec): | 1.00th=[ 422], 5.00th=[ 693], 10.00th=[ 776], 20.00th=[ 902], | 30.00th=[ 986], 40.00th=[ 1053], 50.00th=[ 1116], 60.00th=[ 1167], | 70.00th=[ 1250], 80.00th=[ 1318], 90.00th=[ 1418], 95.00th=[ 1519], | 99.00th=[ 1687], 99.50th=[ 1787], 99.90th=[ 2567], 99.95th=[ 2567], | 99.99th=[ 2635] bw ( KiB/s): min= 7, max= 224, per=25.01%, avg=57.53, stdev=29.18, samples=352 iops : min= 1, max= 56, avg=14.15, stdev= 7.34, samples=352 lat (msec) : 250=0.16%, 500=2.38%, 750=6.29%, 1000=23.05% cpu : usr=0.08%, sys=0.35%, ctx=1369, 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=721: Thu May 1 20:54:54 2025 write: IOPS=14, BW=57.6KiB/s (58.0kB/s)(10.0MiB/177775msec) slat (usec): min=13, max=10629, avg=246.96, stdev=701.69 clat (msec): min=373, max=2662, avg=1109.13, stdev=257.99 lat (msec): min=373, max=2662, avg=1109.38, stdev=258.03 clat percentiles (msec): | 1.00th=[ 451], 5.00th=[ 701], 10.00th=[ 785], 20.00th=[ 902], | 30.00th=[ 978], 40.00th=[ 1053], 50.00th=[ 1116], 60.00th=[ 1183], | 70.00th=[ 1234], 80.00th=[ 1318], 90.00th=[ 1435], 95.00th=[ 1502], | 99.00th=[ 1670], 99.50th=[ 1720], 99.90th=[ 2567], 99.95th=[ 2668], | 99.99th=[ 2668] bw ( KiB/s): min= 8, max= 256, per=25.40%, avg=58.42, stdev=27.02, samples=346 iops : min= 2, max= 64, avg=14.29, stdev= 6.80, samples=346 lat (msec) : 500=1.95%, 750=4.69%, 1000=25.98% cpu : usr=0.05%, sys=0.40%, ctx=1431, 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=230KiB/s (236kB/s), 57.6KiB/s-57.8KiB/s (58.0kB/s-59.2kB/s), io=40.0MiB (41.9MB), run=177158-177775msec 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=901: Thu May 1 20:56:52 2025 read: IOPS=10, BW=43.5KiB/s (44.5kB/s)(5048KiB/116109msec) slat (usec): min=2271, max=51276, avg=10067.28, stdev=4894.80 clat (msec): min=15, max=833, avg=459.14, stdev=108.06 lat (msec): min=22, max=839, avg=469.21, stdev=108.63 clat percentiles (msec): | 1.00th=[ 220], 5.00th=[ 296], 10.00th=[ 330], 20.00th=[ 380], | 30.00th=[ 405], 40.00th=[ 430], 50.00th=[ 456], 60.00th=[ 477], | 70.00th=[ 506], 80.00th=[ 542], 90.00th=[ 600], 95.00th=[ 642], | 99.00th=[ 735], 99.50th=[ 793], 99.90th=[ 827], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 7, max= 112, per=25.42%, avg=43.73, stdev=20.98, samples=228 iops : min= 1, max= 28, avg=10.65, stdev= 5.21, samples=228 write: IOPS=11, BW=44.7KiB/s (45.8kB/s)(5192KiB/116109msec) slat (usec): min=12, max=9656, avg=298.00, stdev=730.89 clat (msec): min=200, max=1982, avg=972.41, stdev=278.82 lat (msec): min=200, max=1982, avg=972.71, stdev=278.82 clat percentiles (msec): | 1.00th=[ 435], 5.00th=[ 550], 10.00th=[ 625], 20.00th=[ 735], | 30.00th=[ 818], 40.00th=[ 885], 50.00th=[ 944], 60.00th=[ 1020], | 70.00th=[ 1099], 80.00th=[ 1217], 90.00th=[ 1368], 95.00th=[ 1452], | 99.00th=[ 1653], 99.50th=[ 1703], 99.90th=[ 1989], 99.95th=[ 1989], | 99.99th=[ 1989] bw ( KiB/s): min= 7, max= 103, per=24.60%, avg=44.04, stdev=20.34, samples=232 iops : min= 1, max= 25, avg=10.73, stdev= 5.09, samples=232 lat (msec) : 20=0.04%, 50=0.04%, 100=0.27%, 250=0.82%, 500=33.36% lat (msec) : 750=25.39%, 1000=18.28% cpu : usr=0.13%, sys=1.07%, ctx=2730, 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=902: Thu May 1 20:56:52 2025 read: IOPS=10, BW=42.8KiB/s (43.9kB/s)(4976KiB/116193msec) slat (usec): min=25, max=51898, avg=10032.53, stdev=5003.15 clat (msec): min=5, max=919, avg=457.33, stdev=116.91 lat (msec): min=10, max=922, avg=467.37, stdev=117.53 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 296], 10.00th=[ 330], 20.00th=[ 372], | 30.00th=[ 405], 40.00th=[ 430], 50.00th=[ 451], 60.00th=[ 485], | 70.00th=[ 506], 80.00th=[ 542], 90.00th=[ 600], 95.00th=[ 651], | 99.00th=[ 751], 99.50th=[ 818], 99.90th=[ 911], 99.95th=[ 919], | 99.99th=[ 919] bw ( KiB/s): min= 7, max= 112, per=25.30%, avg=43.52, stdev=20.76, samples=225 iops : min= 1, max= 28, avg=10.57, stdev= 5.22, samples=225 write: IOPS=11, BW=45.3KiB/s (46.4kB/s)(5264KiB/116193msec) slat (usec): min=15, max=11918, avg=268.43, stdev=675.38 clat (msec): min=126, max=1978, avg=969.42, stdev=287.34 lat (msec): min=126, max=1978, avg=969.69, stdev=287.38 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 523], 10.00th=[ 617], 20.00th=[ 735], | 30.00th=[ 810], 40.00th=[ 894], 50.00th=[ 953], 60.00th=[ 1028], | 70.00th=[ 1099], 80.00th=[ 1217], 90.00th=[ 1368], 95.00th=[ 1469], | 99.00th=[ 1636], 99.50th=[ 1687], 99.90th=[ 1838], 99.95th=[ 1972], | 99.99th=[ 1972] bw ( KiB/s): min= 7, max= 112, per=25.09%, avg=44.92, stdev=20.49, samples=231 iops : min= 1, max= 28, avg=10.92, stdev= 5.19, samples=231 lat (msec) : 10=0.04%, 20=0.27%, 50=0.08%, 100=0.27%, 250=1.25% lat (msec) : 500=33.12%, 750=24.80%, 1000=17.27% cpu : usr=0.16%, sys=1.06%, ctx=2794, 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=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=903: Thu May 1 20:56:52 2025 read: IOPS=10, BW=42.9KiB/s (43.9kB/s)(4984KiB/116193msec) slat (usec): min=2440, max=39116, avg=10321.82, stdev=4867.94 clat (msec): min=12, max=819, avg=464.31, stdev=103.76 lat (msec): min=25, max=832, avg=474.64, stdev=104.64 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 317], 10.00th=[ 347], 20.00th=[ 380], | 30.00th=[ 409], 40.00th=[ 435], 50.00th=[ 456], 60.00th=[ 485], | 70.00th=[ 514], 80.00th=[ 550], 90.00th=[ 600], 95.00th=[ 642], | 99.00th=[ 718], 99.50th=[ 735], 99.90th=[ 810], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 7, max= 96, per=25.02%, avg=43.03, stdev=19.02, samples=229 iops : min= 1, max= 24, avg=10.44, stdev= 4.77, samples=229 write: IOPS=11, BW=45.2KiB/s (46.3kB/s)(5256KiB/116193msec) slat (usec): min=14, max=16476, avg=287.35, stdev=871.20 clat (msec): min=317, max=2046, avg=962.70, stdev=282.42 lat (msec): min=317, max=2046, avg=962.99, stdev=282.44 clat percentiles (msec): | 1.00th=[ 435], 5.00th=[ 542], 10.00th=[ 600], 20.00th=[ 709], | 30.00th=[ 802], 40.00th=[ 877], 50.00th=[ 936], 60.00th=[ 1011], | 70.00th=[ 1083], 80.00th=[ 1200], 90.00th=[ 1351], 95.00th=[ 1469], | 99.00th=[ 1636], 99.50th=[ 1720], 99.90th=[ 2039], 99.95th=[ 2039], | 99.99th=[ 2039] bw ( KiB/s): min= 8, max= 112, per=24.93%, avg=44.62, stdev=19.94, samples=231 iops : min= 2, max= 28, avg=10.84, stdev= 5.01, samples=231 lat (msec) : 20=0.04%, 50=0.16%, 100=0.08%, 250=0.39%, 500=33.09% lat (msec) : 750=27.07%, 1000=18.05% cpu : usr=0.09%, sys=1.06%, ctx=2713, 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=904: Thu May 1 20:56:52 2025 read: IOPS=10, BW=43.7KiB/s (44.7kB/s)(5060KiB/115841msec) slat (usec): min=2372, max=46636, avg=10117.06, stdev=4921.76 clat (msec): min=10, max=1003, avg=464.54, stdev=104.41 lat (msec): min=14, max=1007, avg=474.68, stdev=105.23 clat percentiles (msec): | 1.00th=[ 226], 5.00th=[ 309], 10.00th=[ 347], 20.00th=[ 388], | 30.00th=[ 414], 40.00th=[ 435], 50.00th=[ 456], 60.00th=[ 485], | 70.00th=[ 510], 80.00th=[ 542], 90.00th=[ 600], 95.00th=[ 642], | 99.00th=[ 718], 99.50th=[ 735], 99.90th=[ 1003], 99.95th=[ 1003], | 99.99th=[ 1003] bw ( KiB/s): min= 7, max= 96, per=25.31%, avg=43.54, stdev=19.77, samples=229 iops : min= 1, max= 24, avg=10.55, stdev= 4.93, samples=229 write: IOPS=11, BW=44.7KiB/s (45.8kB/s)(5180KiB/115841msec) slat (usec): min=13, max=7578, avg=265.77, stdev=659.32 clat (msec): min=176, max=2043, avg=965.49, stdev=278.48 lat (msec): min=178, max=2043, avg=965.76, stdev=278.44 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 550], 10.00th=[ 609], 20.00th=[ 718], | 30.00th=[ 818], 40.00th=[ 885], 50.00th=[ 953], 60.00th=[ 1011], | 70.00th=[ 1083], 80.00th=[ 1217], 90.00th=[ 1351], 95.00th=[ 1469], | 99.00th=[ 1586], 99.50th=[ 1670], 99.90th=[ 2005], 99.95th=[ 2039], | 99.99th=[ 2039] bw ( KiB/s): min= 7, max= 111, per=24.63%, avg=44.10, stdev=19.08, samples=231 iops : min= 1, max= 27, avg=10.70, stdev= 4.77, samples=231 lat (msec) : 20=0.08%, 50=0.08%, 100=0.16%, 250=0.74%, 500=33.20% lat (msec) : 750=26.52%, 1000=17.93% cpu : usr=0.13%, sys=1.04%, ctx=2740, 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=173KiB/s (177kB/s), 42.8KiB/s-43.7KiB/s (43.9kB/s-44.7kB/s), io=19.6MiB (20.5MB), run=115841-116193msec WRITE: bw=180KiB/s (184kB/s), 44.7KiB/s-45.3KiB/s (45.8kB/s-46.4kB/s), io=20.4MiB (21.4MB), run=115841-116193msec 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=1005: Thu May 1 20:56:56 2025 read: IOPS=1, BW=76.6MiB/s (80.3MB/s)(40.0MiB/522msec) slat (nsec): min=4134.7k, max=4134.7k, avg=4134674.00, stdev= 0.00 clat (nsec): min=502177k, max=502177k, avg=502176993.00, stdev= 0.00 lat (nsec): min=506337k, max=506337k, avg=506336634.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 502], 5.00th=[ 502], 10.00th=[ 502], 20.00th=[ 502], | 30.00th=[ 502], 40.00th=[ 502], 50.00th=[ 502], 60.00th=[ 502], | 70.00th=[ 502], 80.00th=[ 502], 90.00th=[ 502], 95.00th=[ 502], | 99.00th=[ 502], 99.50th=[ 502], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] lat (msec) : 750=100.00% cpu : usr=0.00%, sys=0.58%, 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=76.6MiB/s (80.3MB/s), 76.6MiB/s-76.6MiB/s (80.3MB/s-80.3MB/s), io=40.0MiB (41.9MB), run=522-522msec 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