== sanity test 398c: run fio to test AIO ================= 23:24:17 (1761103457) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.188895 s, 222 MB/s osc.lustre-OST0000-osc-ffff9a34e4df9000.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=159998: Tue Oct 21 23:24:59 2025 write: IOPS=65, BW=263KiB/s (270kB/s)(10.0MiB/38906msec); 0 zone resets slat (usec): min=32, max=758, avg=149.20, stdev=78.56 clat (msec): min=56, max=498, avg=242.89, stdev=67.48 lat (msec): min=56, max=498, avg=243.04, stdev=67.50 clat percentiles (msec): | 1.00th=[ 120], 5.00th=[ 153], 10.00th=[ 167], 20.00th=[ 184], | 30.00th=[ 201], 40.00th=[ 213], 50.00th=[ 230], 60.00th=[ 253], | 70.00th=[ 279], 80.00th=[ 305], 90.00th=[ 338], 95.00th=[ 368], | 99.00th=[ 405], 99.50th=[ 451], 99.90th=[ 489], 99.95th=[ 498], | 99.99th=[ 498] bw ( KiB/s): min= 144, max= 392, per=24.98%, avg=262.81, stdev=63.94, samples=77 iops : min= 36, max= 98, avg=65.70, stdev=15.99, samples=77 lat (msec) : 100=0.20%, 250=58.79%, 500=41.02% cpu : usr=0.14%, sys=0.81%, ctx=3236, 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=159999: Tue Oct 21 23:24:59 2025 write: IOPS=65, BW=263KiB/s (270kB/s)(10.0MiB/38877msec); 0 zone resets slat (usec): min=37, max=679, avg=151.04, stdev=81.43 clat (msec): min=50, max=508, avg=242.55, stdev=67.00 lat (msec): min=50, max=508, avg=242.70, stdev=67.02 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 150], 10.00th=[ 167], 20.00th=[ 186], | 30.00th=[ 201], 40.00th=[ 215], 50.00th=[ 232], 60.00th=[ 255], | 70.00th=[ 275], 80.00th=[ 305], 90.00th=[ 334], 95.00th=[ 363], | 99.00th=[ 409], 99.50th=[ 447], 99.90th=[ 498], 99.95th=[ 498], | 99.99th=[ 510] bw ( KiB/s): min= 144, max= 400, per=25.02%, avg=263.21, stdev=62.63, samples=77 iops : min= 36, max= 100, avg=65.79, stdev=15.65, samples=77 lat (msec) : 100=0.90%, 250=57.70%, 500=41.37%, 750=0.04% cpu : usr=0.13%, sys=0.83%, ctx=3233, 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=160000: Tue Oct 21 23:24:59 2025 write: IOPS=65, BW=263KiB/s (269kB/s)(10.0MiB/38928msec); 0 zone resets slat (usec): min=26, max=695, avg=152.85, stdev=81.83 clat (msec): min=88, max=496, avg=242.76, stdev=66.14 lat (msec): min=88, max=496, avg=242.92, stdev=66.16 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 155], 10.00th=[ 167], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 213], 50.00th=[ 230], 60.00th=[ 255], | 70.00th=[ 275], 80.00th=[ 305], 90.00th=[ 338], 95.00th=[ 363], | 99.00th=[ 405], 99.50th=[ 426], 99.90th=[ 477], 99.95th=[ 498], | 99.99th=[ 498] bw ( KiB/s): min= 136, max= 392, per=24.94%, avg=262.40, stdev=65.37, samples=77 iops : min= 34, max= 98, avg=65.60, stdev=16.35, samples=77 lat (msec) : 100=0.04%, 250=58.48%, 500=41.48% cpu : usr=0.12%, sys=0.85%, ctx=3285, 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=160001: Tue Oct 21 23:24:59 2025 write: IOPS=65, BW=263KiB/s (269kB/s)(10.0MiB/38928msec); 0 zone resets slat (usec): min=31, max=876, avg=155.44, stdev=84.46 clat (msec): min=51, max=508, avg=242.86, stdev=66.42 lat (msec): min=51, max=508, avg=243.01, stdev=66.44 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 155], 10.00th=[ 167], 20.00th=[ 184], | 30.00th=[ 199], 40.00th=[ 211], 50.00th=[ 230], 60.00th=[ 253], | 70.00th=[ 275], 80.00th=[ 305], 90.00th=[ 338], 95.00th=[ 363], | 99.00th=[ 405], 99.50th=[ 422], 99.90th=[ 477], 99.95th=[ 489], | 99.99th=[ 510] bw ( KiB/s): min= 152, max= 400, per=24.92%, avg=262.13, stdev=63.52, samples=77 iops : min= 38, max= 100, avg=65.53, stdev=15.88, samples=77 lat (msec) : 100=0.12%, 250=58.28%, 500=41.56%, 750=0.04% cpu : usr=0.14%, sys=0.85%, ctx=3293, 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 Run status group 0 (all jobs): WRITE: bw=1052KiB/s (1077kB/s), 263KiB/s-263KiB/s (269kB/s-270kB/s), io=40.0MiB (41.9MB), run=38877-38928msec 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=160016: Tue Oct 21 23:25:21 2025 read: IOPS=67, BW=270KiB/s (276kB/s)(5048KiB/18697msec) slat (usec): min=1029, max=6461, avg=2286.71, stdev=740.06 clat (msec): min=4, max=194, avg=77.10, stdev=15.14 lat (msec): min=8, max=196, avg=79.39, stdev=15.23 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 57], 10.00th=[ 61], 20.00th=[ 67], | 30.00th=[ 71], 40.00th=[ 74], 50.00th=[ 77], 60.00th=[ 81], | 70.00th=[ 84], 80.00th=[ 89], 90.00th=[ 94], 95.00th=[ 99], | 99.00th=[ 108], 99.50th=[ 146], 99.90th=[ 188], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 176, max= 344, per=25.17%, avg=269.59, stdev=43.94, samples=37 iops : min= 44, max= 86, avg=67.38, stdev=10.99, samples=37 write: IOPS=69, BW=278KiB/s (284kB/s)(5192KiB/18697msec); 0 zone resets slat (usec): min=28, max=3139, avg=102.18, stdev=97.78 clat (msec): min=64, max=261, avg=152.66, stdev=31.51 lat (msec): min=64, max=262, avg=152.76, stdev=31.52 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 103], 10.00th=[ 110], 20.00th=[ 125], | 30.00th=[ 136], 40.00th=[ 146], 50.00th=[ 155], 60.00th=[ 163], | 70.00th=[ 171], 80.00th=[ 178], 90.00th=[ 192], 95.00th=[ 203], | 99.00th=[ 230], 99.50th=[ 239], 99.90th=[ 255], 99.95th=[ 262], | 99.99th=[ 262] bw ( KiB/s): min= 216, max= 352, per=24.85%, avg=277.11, stdev=31.15, samples=37 iops : min= 54, max= 88, avg=69.27, stdev= 7.79, samples=37 lat (msec) : 10=0.12%, 20=0.23%, 50=0.62%, 100=48.32%, 250=50.59% lat (msec) : 500=0.12% cpu : usr=0.21%, sys=1.51%, ctx=5166, 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=160017: Tue Oct 21 23:25:21 2025 read: IOPS=66, BW=266KiB/s (272kB/s)(4976KiB/18727msec) slat (usec): min=1059, max=5934, avg=2320.19, stdev=753.17 clat (msec): min=2, max=119, avg=77.35, stdev=14.34 lat (msec): min=4, max=122, avg=79.67, stdev=14.37 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 57], 10.00th=[ 62], 20.00th=[ 67], | 30.00th=[ 71], 40.00th=[ 74], 50.00th=[ 79], 60.00th=[ 81], | 70.00th=[ 85], 80.00th=[ 89], 90.00th=[ 95], 95.00th=[ 102], | 99.00th=[ 110], 99.50th=[ 113], 99.90th=[ 115], 99.95th=[ 121], | 99.99th=[ 121] bw ( KiB/s): min= 184, max= 344, per=24.79%, avg=265.51, stdev=50.63, samples=37 iops : min= 46, max= 86, avg=66.38, stdev=12.66, samples=37 write: IOPS=70, BW=281KiB/s (288kB/s)(5264KiB/18727msec); 0 zone resets slat (usec): min=26, max=367, avg=95.14, stdev=41.35 clat (msec): min=38, max=256, avg=151.95, stdev=32.94 lat (msec): min=38, max=256, avg=152.05, stdev=32.94 clat percentiles (msec): | 1.00th=[ 74], 5.00th=[ 99], 10.00th=[ 109], 20.00th=[ 125], | 30.00th=[ 136], 40.00th=[ 146], 50.00th=[ 153], 60.00th=[ 163], | 70.00th=[ 171], 80.00th=[ 180], 90.00th=[ 194], 95.00th=[ 203], | 99.00th=[ 230], 99.50th=[ 239], 99.90th=[ 251], 99.95th=[ 257], | 99.99th=[ 257] bw ( KiB/s): min= 208, max= 352, per=25.17%, avg=280.62, stdev=30.42, samples=37 iops : min= 52, max= 88, avg=70.14, stdev= 7.60, samples=37 lat (msec) : 4=0.08%, 10=0.08%, 20=0.23%, 50=0.98%, 100=47.42% lat (msec) : 250=51.13%, 500=0.08% cpu : usr=0.21%, sys=1.53%, ctx=4932, 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=160018: Tue Oct 21 23:25:21 2025 read: IOPS=66, BW=266KiB/s (273kB/s)(4984KiB/18727msec) slat (usec): min=35, max=5838, avg=2282.49, stdev=754.00 clat (msec): min=4, max=162, avg=77.50, stdev=13.97 lat (msec): min=6, max=165, avg=79.78, stdev=14.02 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 57], 10.00th=[ 62], 20.00th=[ 68], | 30.00th=[ 71], 40.00th=[ 74], 50.00th=[ 78], 60.00th=[ 81], | 70.00th=[ 85], 80.00th=[ 89], 90.00th=[ 94], 95.00th=[ 99], | 99.00th=[ 109], 99.50th=[ 111], 99.90th=[ 161], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 192, max= 376, per=24.95%, avg=267.16, stdev=46.83, samples=37 iops : min= 48, max= 94, avg=66.78, stdev=11.71, samples=37 write: IOPS=70, BW=281KiB/s (287kB/s)(5256KiB/18727msec); 0 zone resets slat (usec): min=25, max=1402, avg=100.19, stdev=69.01 clat (msec): min=33, max=255, avg=152.08, stdev=32.57 lat (msec): min=33, max=255, avg=152.18, stdev=32.58 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 101], 10.00th=[ 108], 20.00th=[ 124], | 30.00th=[ 136], 40.00th=[ 146], 50.00th=[ 155], 60.00th=[ 163], | 70.00th=[ 171], 80.00th=[ 180], 90.00th=[ 194], 95.00th=[ 203], | 99.00th=[ 228], 99.50th=[ 236], 99.90th=[ 247], 99.95th=[ 255], | 99.99th=[ 255] bw ( KiB/s): min= 216, max= 352, per=25.03%, avg=279.14, stdev=32.48, samples=37 iops : min= 54, max= 88, avg=69.78, stdev= 8.12, samples=37 lat (msec) : 10=0.04%, 20=0.23%, 50=1.13%, 100=47.70%, 250=50.86% lat (msec) : 500=0.04% cpu : usr=0.22%, sys=1.51%, ctx=4985, 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=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=160019: Tue Oct 21 23:25:21 2025 read: IOPS=67, BW=270KiB/s (277kB/s)(5060KiB/18726msec) slat (usec): min=1007, max=6639, avg=2296.19, stdev=748.37 clat (msec): min=3, max=195, avg=77.64, stdev=14.52 lat (msec): min=6, max=197, avg=79.94, stdev=14.59 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 57], 10.00th=[ 62], 20.00th=[ 67], | 30.00th=[ 71], 40.00th=[ 74], 50.00th=[ 78], 60.00th=[ 81], | 70.00th=[ 84], 80.00th=[ 89], 90.00th=[ 95], 95.00th=[ 100], | 99.00th=[ 108], 99.50th=[ 116], 99.90th=[ 192], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 168, max= 376, per=25.27%, avg=270.59, stdev=46.93, samples=37 iops : min= 42, max= 94, avg=67.65, stdev=11.73, samples=37 write: IOPS=69, BW=277KiB/s (283kB/s)(5180KiB/18726msec); 0 zone resets slat (usec): min=37, max=1161, avg=103.82, stdev=60.44 clat (msec): min=33, max=256, avg=152.66, stdev=32.63 lat (msec): min=33, max=256, avg=152.76, stdev=32.64 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 100], 10.00th=[ 108], 20.00th=[ 124], | 30.00th=[ 136], 40.00th=[ 146], 50.00th=[ 155], 60.00th=[ 163], | 70.00th=[ 174], 80.00th=[ 180], 90.00th=[ 192], 95.00th=[ 205], | 99.00th=[ 228], 99.50th=[ 232], 99.90th=[ 255], 99.95th=[ 257], | 99.99th=[ 257] bw ( KiB/s): min= 200, max= 360, per=24.77%, avg=276.19, stdev=38.97, samples=37 iops : min= 50, max= 90, avg=69.03, stdev= 9.75, samples=37 lat (msec) : 4=0.04%, 20=0.20%, 50=0.55%, 100=48.98%, 250=50.12% lat (msec) : 500=0.12% cpu : usr=0.20%, sys=1.55%, ctx=5227, 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=1072KiB/s (1097kB/s), 266KiB/s-270KiB/s (272kB/s-277kB/s), io=19.6MiB (20.5MB), run=18697-18727msec WRITE: bw=1116KiB/s (1142kB/s), 277KiB/s-281KiB/s (283kB/s-288kB/s), io=20.4MiB (21.4MB), run=18697-18727msec 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=160025: Tue Oct 21 23:25:24 2025 read: IOPS=11, BW=455MiB/s (477MB/s)(40.0MiB/88msec) slat (nsec): min=8538.7k, max=8538.7k, avg=8538657.00, stdev= 0.00 clat (nsec): min=74713k, max=74713k, avg=74713021.00, stdev= 0.00 lat (nsec): min=83254k, max=83254k, avg=83254325.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[74974], 5.00th=[74974], 10.00th=[74974], 20.00th=[74974], | 30.00th=[74974], 40.00th=[74974], 50.00th=[74974], 60.00th=[74974], | 70.00th=[74974], 80.00th=[74974], 90.00th=[74974], 95.00th=[74974], | 99.00th=[74974], 99.50th=[74974], 99.90th=[74974], 99.95th=[74974], | 99.99th=[74974] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=9.20%, ctx=32, 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=455MiB/s (477MB/s), 455MiB/s-455MiB/s (477MB/s-477MB/s), io=40.0MiB (41.9MB), run=88-88msec 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