== sanity test 398c: run fio to test AIO ================= 10:20:28 (1753366828) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.163009 s, 257 MB/s osc.lustre-OST0000-osc-ffff916250322000.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-3.19 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=154958: Thu Jul 24 10:21:37 2025 write: IOPS=39, BW=157KiB/s (161kB/s)(10.0MiB/65185msec); 0 zone resets slat (usec): min=28, max=3268, avg=166.92, stdev=206.71 clat (msec): min=123, max=856, avg=406.88, stdev=118.10 lat (msec): min=123, max=856, avg=407.05, stdev=118.12 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 220], 10.00th=[ 271], 20.00th=[ 317], | 30.00th=[ 347], 40.00th=[ 372], 50.00th=[ 397], 60.00th=[ 422], | 70.00th=[ 456], 80.00th=[ 493], 90.00th=[ 558], 95.00th=[ 625], | 99.00th=[ 726], 99.50th=[ 760], 99.90th=[ 835], 99.95th=[ 835], | 99.99th=[ 860] bw ( KiB/s): min= 24, max= 358, per=24.89%, avg=156.28, stdev=47.77, samples=129 iops : min= 6, max= 89, avg=38.75, stdev=11.95, samples=129 lat (msec) : 250=6.88%, 500=74.38%, 750=18.12%, 1000=0.62% cpu : usr=0.09%, sys=0.54%, ctx=2005, majf=0, minf=10 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=154959: Thu Jul 24 10:21:37 2025 write: IOPS=39, BW=157KiB/s (161kB/s)(10.0MiB/65168msec); 0 zone resets slat (usec): min=25, max=2617, avg=156.21, stdev=159.99 clat (msec): min=76, max=824, avg=407.01, stdev=116.38 lat (msec): min=76, max=824, avg=407.17, stdev=116.39 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 220], 10.00th=[ 275], 20.00th=[ 317], | 30.00th=[ 351], 40.00th=[ 376], 50.00th=[ 397], 60.00th=[ 422], | 70.00th=[ 451], 80.00th=[ 498], 90.00th=[ 567], 95.00th=[ 617], | 99.00th=[ 718], 99.50th=[ 735], 99.90th=[ 751], 99.95th=[ 810], | 99.99th=[ 827] bw ( KiB/s): min= 64, max= 376, per=24.91%, avg=156.42, stdev=47.13, samples=129 iops : min= 16, max= 94, avg=38.79, stdev=11.82, samples=129 lat (msec) : 100=0.08%, 250=7.03%, 500=74.10%, 750=18.63%, 1000=0.16% cpu : usr=0.08%, sys=0.54%, ctx=1982, majf=0, minf=11 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=154960: Thu Jul 24 10:21:37 2025 write: IOPS=39, BW=157KiB/s (161kB/s)(10.0MiB/65116msec); 0 zone resets slat (usec): min=22, max=2082, avg=159.88, stdev=158.81 clat (msec): min=43, max=835, avg=406.45, stdev=117.31 lat (msec): min=43, max=835, avg=406.61, stdev=117.31 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 228], 10.00th=[ 275], 20.00th=[ 317], | 30.00th=[ 347], 40.00th=[ 372], 50.00th=[ 397], 60.00th=[ 422], | 70.00th=[ 456], 80.00th=[ 498], 90.00th=[ 567], 95.00th=[ 625], | 99.00th=[ 718], 99.50th=[ 776], 99.90th=[ 827], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 72, max= 369, per=24.94%, avg=156.60, stdev=44.31, samples=129 iops : min= 18, max= 92, avg=38.84, stdev=11.10, samples=129 lat (msec) : 50=0.04%, 100=0.04%, 250=6.48%, 500=74.61%, 750=18.24% lat (msec) : 1000=0.59% cpu : usr=0.10%, sys=0.53%, ctx=1947, majf=0, minf=12 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=154961: Thu Jul 24 10:21:37 2025 write: IOPS=39, BW=157KiB/s (161kB/s)(10.0MiB/65145msec); 0 zone resets slat (usec): min=25, max=2303, avg=158.21, stdev=166.74 clat (msec): min=38, max=835, avg=406.60, stdev=117.87 lat (msec): min=38, max=836, avg=406.76, stdev=117.88 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 222], 10.00th=[ 275], 20.00th=[ 317], | 30.00th=[ 347], 40.00th=[ 372], 50.00th=[ 397], 60.00th=[ 422], | 70.00th=[ 456], 80.00th=[ 493], 90.00th=[ 567], 95.00th=[ 625], | 99.00th=[ 726], 99.50th=[ 760], 99.90th=[ 835], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 64, max= 376, per=24.93%, avg=156.53, stdev=46.65, samples=129 iops : min= 16, max= 94, avg=38.82, stdev=11.70, samples=129 lat (msec) : 50=0.08%, 100=0.08%, 250=6.29%, 500=75.12%, 750=17.89% lat (msec) : 1000=0.55% cpu : usr=0.09%, sys=0.52%, ctx=2046, majf=0, minf=12 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=628KiB/s (643kB/s), 157KiB/s-157KiB/s (161kB/s-161kB/s), io=40.0MiB (41.9MB), run=65116-65185msec 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-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=154980: Thu Jul 24 10:22:19 2025 read: IOPS=32, BW=131KiB/s (134kB/s)(5048KiB/38555msec) slat (usec): min=1698, max=15145, avg=4265.93, stdev=1532.64 clat (msec): min=7, max=519, avg=157.36, stdev=44.74 lat (msec): min=11, max=527, avg=161.63, stdev=45.15 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 95], 10.00th=[ 109], 20.00th=[ 126], | 30.00th=[ 136], 40.00th=[ 146], 50.00th=[ 155], 60.00th=[ 165], | 70.00th=[ 178], 80.00th=[ 190], 90.00th=[ 207], 95.00th=[ 224], | 99.00th=[ 253], 99.50th=[ 284], 99.90th=[ 514], 99.95th=[ 518], | 99.99th=[ 518] bw ( KiB/s): min= 56, max= 264, per=25.35%, avg=131.59, stdev=40.23, samples=76 iops : min= 14, max= 66, avg=32.67, stdev=10.09, samples=76 write: IOPS=33, BW=135KiB/s (138kB/s)(5192KiB/38555msec); 0 zone resets slat (usec): min=33, max=3896, avg=159.18, stdev=186.92 clat (msec): min=125, max=951, avg=316.79, stdev=90.21 lat (msec): min=125, max=951, avg=316.95, stdev=90.23 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 197], 10.00th=[ 218], 20.00th=[ 245], | 30.00th=[ 268], 40.00th=[ 288], 50.00th=[ 305], 60.00th=[ 326], | 70.00th=[ 351], 80.00th=[ 384], 90.00th=[ 439], 95.00th=[ 485], | 99.00th=[ 542], 99.50th=[ 659], 99.90th=[ 860], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 72, max= 207, per=24.94%, avg=134.95, stdev=30.55, samples=76 iops : min= 18, max= 51, avg=33.50, stdev= 7.72, samples=76 lat (msec) : 10=0.08%, 20=0.04%, 50=0.27%, 100=2.93%, 250=56.48% lat (msec) : 500=38.52%, 750=1.52%, 1000=0.16% cpu : usr=0.18%, sys=1.34%, ctx=3041, majf=0, minf=13 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=154981: Thu Jul 24 10:22:19 2025 read: IOPS=32, BW=129KiB/s (132kB/s)(4976KiB/38615msec) slat (usec): min=1621, max=11881, avg=4301.49, stdev=1555.45 clat (msec): min=5, max=290, avg=157.23, stdev=39.09 lat (msec): min=10, max=295, avg=161.53, stdev=39.36 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 100], 10.00th=[ 111], 20.00th=[ 126], | 30.00th=[ 136], 40.00th=[ 146], 50.00th=[ 157], 60.00th=[ 165], | 70.00th=[ 178], 80.00th=[ 190], 90.00th=[ 207], 95.00th=[ 224], | 99.00th=[ 251], 99.50th=[ 255], 99.90th=[ 284], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 39, max= 231, per=24.87%, avg=129.07, stdev=42.47, samples=76 iops : min= 9, max= 57, avg=32.04, stdev=10.63, samples=76 write: IOPS=34, BW=136KiB/s (140kB/s)(5264KiB/38615msec); 0 zone resets slat (usec): min=23, max=6640, avg=163.29, stdev=244.36 clat (msec): min=61, max=748, avg=315.87, stdev=89.78 lat (msec): min=61, max=748, avg=316.04, stdev=89.79 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 188], 10.00th=[ 213], 20.00th=[ 247], | 30.00th=[ 268], 40.00th=[ 284], 50.00th=[ 300], 60.00th=[ 326], | 70.00th=[ 351], 80.00th=[ 388], 90.00th=[ 439], 95.00th=[ 485], | 99.00th=[ 550], 99.50th=[ 575], 99.90th=[ 718], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 48, max= 224, per=25.18%, avg=136.24, stdev=33.44, samples=76 iops : min= 12, max= 56, avg=33.83, stdev= 8.42, samples=76 lat (msec) : 10=0.16%, 20=0.04%, 50=0.23%, 100=2.58%, 250=56.33% lat (msec) : 500=38.75%, 750=1.91% cpu : usr=0.20%, sys=1.33%, ctx=3064, majf=0, minf=13 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=154982: Thu Jul 24 10:22:19 2025 read: IOPS=32, BW=130KiB/s (133kB/s)(4984KiB/38448msec) slat (usec): min=31, max=12268, avg=4261.80, stdev=1610.16 clat (msec): min=18, max=636, avg=156.81, stdev=43.16 lat (msec): min=23, max=643, avg=161.07, stdev=43.53 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 95], 10.00th=[ 108], 20.00th=[ 124], | 30.00th=[ 136], 40.00th=[ 144], 50.00th=[ 155], 60.00th=[ 165], | 70.00th=[ 178], 80.00th=[ 190], 90.00th=[ 207], 95.00th=[ 226], | 99.00th=[ 257], 99.50th=[ 279], 99.90th=[ 460], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 63, max= 280, per=25.08%, avg=130.17, stdev=41.62, samples=76 iops : min= 15, max= 70, avg=32.32, stdev=10.43, samples=76 write: IOPS=34, BW=137KiB/s (140kB/s)(5256KiB/38448msec); 0 zone resets slat (usec): min=28, max=7988, avg=175.91, stdev=297.58 clat (msec): min=63, max=857, avg=314.76, stdev=91.03 lat (msec): min=63, max=857, avg=314.93, stdev=91.04 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 197], 10.00th=[ 215], 20.00th=[ 243], | 30.00th=[ 264], 40.00th=[ 279], 50.00th=[ 300], 60.00th=[ 326], | 70.00th=[ 351], 80.00th=[ 380], 90.00th=[ 430], 95.00th=[ 485], | 99.00th=[ 558], 99.50th=[ 676], 99.90th=[ 844], 99.95th=[ 860], | 99.99th=[ 860] bw ( KiB/s): min= 63, max= 232, per=25.16%, avg=136.12, stdev=34.59, samples=76 iops : min= 15, max= 58, avg=33.80, stdev= 8.75, samples=76 lat (msec) : 20=0.04%, 50=0.27%, 100=3.32%, 250=56.17%, 500=38.28% lat (msec) : 750=1.84%, 1000=0.08% cpu : usr=0.16%, sys=1.39%, ctx=3044, majf=0, minf=13 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=154983: Thu Jul 24 10:22:19 2025 read: IOPS=32, BW=131KiB/s (134kB/s)(5060KiB/38591msec) slat (usec): min=1714, max=12558, avg=4254.19, stdev=1567.91 clat (msec): min=5, max=555, avg=156.20, stdev=43.29 lat (msec): min=8, max=563, avg=160.46, stdev=43.63 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 94], 10.00th=[ 109], 20.00th=[ 123], | 30.00th=[ 134], 40.00th=[ 144], 50.00th=[ 155], 60.00th=[ 165], | 70.00th=[ 176], 80.00th=[ 190], 90.00th=[ 207], 95.00th=[ 226], | 99.00th=[ 253], 99.50th=[ 284], 99.90th=[ 439], 99.95th=[ 558], | 99.99th=[ 558] bw ( KiB/s): min= 16, max= 256, per=25.44%, avg=132.05, stdev=43.81, samples=76 iops : min= 4, max= 64, avg=32.78, stdev=11.04, samples=76 write: IOPS=33, BW=134KiB/s (137kB/s)(5180KiB/38591msec); 0 zone resets slat (usec): min=31, max=4013, avg=154.48, stdev=181.13 clat (msec): min=113, max=843, avg=318.71, stdev=93.73 lat (msec): min=113, max=843, avg=318.87, stdev=93.74 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 192], 10.00th=[ 218], 20.00th=[ 247], | 30.00th=[ 268], 40.00th=[ 284], 50.00th=[ 300], 60.00th=[ 326], | 70.00th=[ 355], 80.00th=[ 388], 90.00th=[ 447], 95.00th=[ 489], | 99.00th=[ 542], 99.50th=[ 760], 99.90th=[ 844], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 79, max= 231, per=24.86%, avg=134.50, stdev=29.87, samples=76 iops : min= 19, max= 57, avg=33.39, stdev= 7.49, samples=76 lat (msec) : 10=0.04%, 20=0.04%, 50=0.35%, 100=2.62%, 250=57.03% lat (msec) : 500=37.77%, 750=1.88%, 1000=0.27% cpu : usr=0.19%, sys=1.34%, ctx=3075, majf=0, minf=15 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=520KiB/s (532kB/s), 129KiB/s-131KiB/s (132kB/s-134kB/s), io=19.6MiB (20.5MB), run=38448-38615msec WRITE: bw=541KiB/s (554kB/s), 134KiB/s-137KiB/s (137kB/s-140kB/s), io=20.4MiB (21.4MB), run=38448-38615msec 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-3.19 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=154992: Thu Jul 24 10:22:24 2025 read: IOPS=3, BW=123MiB/s (129MB/s)(40.0MiB/326msec) slat (nsec): min=19792k, max=19792k, avg=19791684.00, stdev= 0.00 clat (nsec): min=292472k, max=292472k, avg=292472402.00, stdev= 0.00 lat (nsec): min=312268k, max=312268k, avg=312268460.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 292], 10.00th=[ 292], 20.00th=[ 292], | 30.00th=[ 292], 40.00th=[ 292], 50.00th=[ 292], 60.00th=[ 292], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 292], 95.00th=[ 292], | 99.00th=[ 292], 99.50th=[ 292], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=4.00%, ctx=2, majf=0, minf=8 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=123MiB/s (129MB/s), 123MiB/s-123MiB/s (129MB/s-129MB/s), io=40.0MiB (41.9MB), run=326-326msec 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