== sanity test 398c: run fio to test AIO ================= 01:04:08 (1763877848) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.139912 s, 300 MB/s osc.lustre-OST0000-osc-ffff95fb864d0800.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=159978: Sun Nov 23 01:04:44 2025 write: IOPS=77, BW=310KiB/s (318kB/s)(10.0MiB/32995msec); 0 zone resets slat (usec): min=29, max=663, avg=140.69, stdev=65.27 clat (msec): min=12, max=366, avg=205.83, stdev=35.17 lat (msec): min=12, max=366, avg=205.97, stdev=35.17 clat percentiles (msec): | 1.00th=[ 126], 5.00th=[ 150], 10.00th=[ 161], 20.00th=[ 180], | 30.00th=[ 190], 40.00th=[ 199], 50.00th=[ 207], 60.00th=[ 215], | 70.00th=[ 224], 80.00th=[ 234], 90.00th=[ 247], 95.00th=[ 259], | 99.00th=[ 292], 99.50th=[ 326], 99.90th=[ 351], 99.95th=[ 359], | 99.99th=[ 368] bw ( KiB/s): min= 160, max= 421, per=24.91%, avg=309.12, stdev=39.04, samples=65 iops : min= 40, max= 105, avg=77.28, stdev= 9.75, samples=65 lat (msec) : 20=0.04%, 100=0.39%, 250=91.37%, 500=8.20% cpu : usr=0.18%, sys=0.99%, ctx=2816, majf=0, minf=9 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=159979: Sun Nov 23 01:04:44 2025 write: IOPS=77, BW=310KiB/s (318kB/s)(10.0MiB/32995msec); 0 zone resets slat (usec): min=24, max=483, avg=126.72, stdev=64.02 clat (msec): min=37, max=356, avg=205.99, stdev=36.27 lat (msec): min=37, max=356, avg=206.11, stdev=36.28 clat percentiles (msec): | 1.00th=[ 127], 5.00th=[ 146], 10.00th=[ 161], 20.00th=[ 180], | 30.00th=[ 190], 40.00th=[ 199], 50.00th=[ 209], 60.00th=[ 215], | 70.00th=[ 226], 80.00th=[ 234], 90.00th=[ 247], 95.00th=[ 257], | 99.00th=[ 292], 99.50th=[ 330], 99.90th=[ 355], 99.95th=[ 355], | 99.99th=[ 359] bw ( KiB/s): min= 240, max= 510, per=24.86%, avg=308.52, stdev=44.01, samples=65 iops : min= 60, max= 127, avg=77.12, stdev=10.97, samples=65 lat (msec) : 50=0.62%, 250=91.13%, 500=8.24% cpu : usr=0.14%, sys=0.93%, ctx=2510, 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=159980: Sun Nov 23 01:04:44 2025 write: IOPS=77, BW=310KiB/s (318kB/s)(10.0MiB/32981msec); 0 zone resets slat (usec): min=25, max=634, avg=133.32, stdev=65.36 clat (msec): min=39, max=379, avg=205.80, stdev=36.25 lat (msec): min=39, max=379, avg=205.94, stdev=36.25 clat percentiles (msec): | 1.00th=[ 121], 5.00th=[ 146], 10.00th=[ 161], 20.00th=[ 180], | 30.00th=[ 190], 40.00th=[ 199], 50.00th=[ 207], 60.00th=[ 215], | 70.00th=[ 226], 80.00th=[ 234], 90.00th=[ 247], 95.00th=[ 257], | 99.00th=[ 296], 99.50th=[ 326], 99.90th=[ 359], 99.95th=[ 368], | 99.99th=[ 380] bw ( KiB/s): min= 208, max= 465, per=24.89%, avg=308.94, stdev=41.50, samples=65 iops : min= 52, max= 116, avg=77.23, stdev=10.36, samples=65 lat (msec) : 50=0.04%, 100=0.66%, 250=90.94%, 500=8.36% cpu : usr=0.18%, sys=0.93%, ctx=2701, 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=159981: Sun Nov 23 01:04:44 2025 write: IOPS=77, BW=310KiB/s (318kB/s)(10.0MiB/32995msec); 0 zone resets slat (usec): min=31, max=513, avg=138.46, stdev=63.28 clat (msec): min=74, max=348, avg=205.82, stdev=34.39 lat (msec): min=75, max=348, avg=205.96, stdev=34.40 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 150], 10.00th=[ 161], 20.00th=[ 178], | 30.00th=[ 190], 40.00th=[ 199], 50.00th=[ 207], 60.00th=[ 215], | 70.00th=[ 224], 80.00th=[ 232], 90.00th=[ 247], 95.00th=[ 259], | 99.00th=[ 292], 99.50th=[ 317], 99.90th=[ 334], 99.95th=[ 338], | 99.99th=[ 347] bw ( KiB/s): min= 184, max= 408, per=24.85%, avg=308.43, stdev=38.89, samples=65 iops : min= 46, max= 102, avg=77.11, stdev= 9.72, samples=65 lat (msec) : 100=0.08%, 250=91.72%, 500=8.20% cpu : usr=0.17%, sys=0.99%, ctx=2822, 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 Run status group 0 (all jobs): WRITE: bw=1241KiB/s (1271kB/s), 310KiB/s-310KiB/s (318kB/s-318kB/s), io=40.0MiB (41.9MB), run=32981-32995msec 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=159995: Sun Nov 23 01:05:09 2025 read: IOPS=58, BW=234KiB/s (239kB/s)(5048KiB/21618msec) slat (usec): min=994, max=7621, avg=2625.65, stdev=907.42 clat (msec): min=10, max=152, avg=87.78, stdev=15.72 lat (msec): min=12, max=155, avg=90.41, stdev=15.85 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 66], 10.00th=[ 70], 20.00th=[ 77], | 30.00th=[ 81], 40.00th=[ 84], 50.00th=[ 88], 60.00th=[ 92], | 70.00th=[ 95], 80.00th=[ 102], 90.00th=[ 108], 95.00th=[ 112], | 99.00th=[ 126], 99.50th=[ 130], 99.90th=[ 144], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 136, max= 368, per=25.23%, avg=234.14, stdev=49.21, samples=42 iops : min= 34, max= 92, avg=58.52, stdev=12.31, samples=42 write: IOPS=60, BW=240KiB/s (246kB/s)(5192KiB/21618msec); 0 zone resets slat (usec): min=38, max=565, avg=111.17, stdev=55.77 clat (msec): min=75, max=309, avg=177.93, stdev=38.92 lat (msec): min=75, max=309, avg=178.04, stdev=38.92 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 121], 10.00th=[ 130], 20.00th=[ 142], | 30.00th=[ 155], 40.00th=[ 167], 50.00th=[ 178], 60.00th=[ 186], | 70.00th=[ 199], 80.00th=[ 211], 90.00th=[ 230], 95.00th=[ 247], | 99.00th=[ 279], 99.50th=[ 279], 99.90th=[ 296], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 160, max= 320, per=24.88%, avg=240.31, stdev=37.69, samples=42 iops : min= 40, max= 80, avg=60.07, stdev= 9.42, samples=42 lat (msec) : 20=0.31%, 50=0.12%, 100=39.02%, 250=58.44%, 500=2.11% cpu : usr=0.19%, sys=1.61%, ctx=5043, 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=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=159996: Sun Nov 23 01:05:09 2025 read: IOPS=57, BW=230KiB/s (236kB/s)(4976KiB/21618msec) slat (usec): min=1155, max=6333, avg=2652.00, stdev=907.66 clat (msec): min=4, max=204, avg=87.88, stdev=17.27 lat (msec): min=6, max=208, avg=90.54, stdev=17.41 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 65], 10.00th=[ 70], 20.00th=[ 75], | 30.00th=[ 80], 40.00th=[ 84], 50.00th=[ 88], 60.00th=[ 92], | 70.00th=[ 95], 80.00th=[ 101], 90.00th=[ 109], 95.00th=[ 114], | 99.00th=[ 130], 99.50th=[ 136], 99.90th=[ 203], 99.95th=[ 205], | 99.99th=[ 205] bw ( KiB/s): min= 120, max= 336, per=24.86%, avg=230.71, stdev=45.68, samples=42 iops : min= 30, max= 84, avg=57.67, stdev=11.42, samples=42 write: IOPS=60, BW=244KiB/s (249kB/s)(5264KiB/21618msec); 0 zone resets slat (usec): min=26, max=692, avg=115.38, stdev=62.87 clat (msec): min=49, max=296, avg=176.73, stdev=39.64 lat (msec): min=49, max=296, avg=176.85, stdev=39.63 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 117], 10.00th=[ 129], 20.00th=[ 142], | 30.00th=[ 155], 40.00th=[ 165], 50.00th=[ 176], 60.00th=[ 186], | 70.00th=[ 197], 80.00th=[ 211], 90.00th=[ 228], 95.00th=[ 245], | 99.00th=[ 271], 99.50th=[ 284], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 144, max= 304, per=25.22%, avg=243.62, stdev=38.72, samples=42 iops : min= 36, max= 76, avg=60.90, stdev= 9.68, samples=42 lat (msec) : 10=0.12%, 20=0.27%, 50=0.31%, 100=38.48%, 250=58.83% lat (msec) : 500=1.99% cpu : usr=0.19%, sys=1.64%, ctx=5058, 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=159997: Sun Nov 23 01:05:09 2025 read: IOPS=57, BW=231KiB/s (237kB/s)(4984KiB/21566msec) slat (usec): min=26, max=6802, avg=2616.14, stdev=903.57 clat (msec): min=4, max=262, avg=87.60, stdev=19.19 lat (msec): min=6, max=265, avg=90.22, stdev=19.34 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 63], 10.00th=[ 70], 20.00th=[ 75], | 30.00th=[ 81], 40.00th=[ 84], 50.00th=[ 88], 60.00th=[ 91], | 70.00th=[ 95], 80.00th=[ 102], 90.00th=[ 108], 95.00th=[ 113], | 99.00th=[ 130], 99.50th=[ 138], 99.90th=[ 259], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 144, max= 344, per=25.15%, avg=233.43, stdev=49.58, samples=42 iops : min= 36, max= 86, avg=58.36, stdev=12.40, samples=42 write: IOPS=60, BW=244KiB/s (250kB/s)(5256KiB/21566msec); 0 zone resets slat (usec): min=25, max=519, avg=115.07, stdev=61.41 clat (msec): min=35, max=316, avg=176.69, stdev=40.95 lat (msec): min=35, max=316, avg=176.80, stdev=40.95 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 116], 10.00th=[ 127], 20.00th=[ 144], | 30.00th=[ 155], 40.00th=[ 165], 50.00th=[ 176], 60.00th=[ 186], | 70.00th=[ 199], 80.00th=[ 211], 90.00th=[ 228], 95.00th=[ 245], | 99.00th=[ 279], 99.50th=[ 296], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 160, max= 301, per=25.17%, avg=243.17, stdev=34.55, samples=42 iops : min= 40, max= 75, avg=60.79, stdev= 8.63, samples=42 lat (msec) : 10=0.20%, 20=0.39%, 50=0.62%, 100=38.36%, 250=58.24% lat (msec) : 500=2.19% cpu : usr=0.16%, sys=1.65%, ctx=5016, 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=159998: Sun Nov 23 01:05:09 2025 read: IOPS=58, BW=235KiB/s (240kB/s)(5060KiB/21577msec) slat (usec): min=1089, max=10914, avg=2629.04, stdev=934.84 clat (msec): min=3, max=216, avg=87.55, stdev=17.23 lat (msec): min=5, max=218, avg=90.18, stdev=17.34 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 65], 10.00th=[ 70], 20.00th=[ 74], | 30.00th=[ 80], 40.00th=[ 84], 50.00th=[ 87], 60.00th=[ 90], | 70.00th=[ 95], 80.00th=[ 101], 90.00th=[ 108], 95.00th=[ 113], | 99.00th=[ 132], 99.50th=[ 140], 99.90th=[ 213], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 104, max= 368, per=25.50%, avg=236.67, stdev=54.76, samples=42 iops : min= 26, max= 92, avg=59.17, stdev=13.69, samples=42 write: IOPS=60, BW=240KiB/s (246kB/s)(5180KiB/21577msec); 0 zone resets slat (usec): min=28, max=460, avg=109.71, stdev=53.66 clat (msec): min=81, max=325, avg=177.76, stdev=39.59 lat (msec): min=81, max=325, avg=177.87, stdev=39.59 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 118], 10.00th=[ 128], 20.00th=[ 144], | 30.00th=[ 155], 40.00th=[ 165], 50.00th=[ 176], 60.00th=[ 186], | 70.00th=[ 197], 80.00th=[ 211], 90.00th=[ 230], 95.00th=[ 245], | 99.00th=[ 288], 99.50th=[ 296], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 152, max= 328, per=24.86%, avg=240.12, stdev=33.41, samples=42 iops : min= 38, max= 82, avg=60.02, stdev= 8.35, samples=42 lat (msec) : 4=0.04%, 10=0.12%, 20=0.08%, 50=0.08%, 100=39.65% lat (msec) : 250=58.09%, 500=1.95% cpu : usr=0.19%, sys=1.62%, ctx=4925, majf=0, minf=14 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=928KiB/s (951kB/s), 230KiB/s-235KiB/s (236kB/s-240kB/s), io=19.6MiB (20.5MB), run=21566-21618msec WRITE: bw=966KiB/s (990kB/s), 240KiB/s-244KiB/s (246kB/s-250kB/s), io=20.4MiB (21.4MB), run=21566-21618msec 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=160005: Sun Nov 23 01:05:12 2025 read: IOPS=10, BW=400MiB/s (419MB/s)(40.0MiB/100msec) slat (nsec): min=10387k, max=10387k, avg=10386642.00, stdev= 0.00 clat (nsec): min=84121k, max=84121k, avg=84121300.00, stdev= 0.00 lat (nsec): min=94512k, max=94512k, avg=94511689.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[84411], 5.00th=[84411], 10.00th=[84411], 20.00th=[84411], | 30.00th=[84411], 40.00th=[84411], 50.00th=[84411], 60.00th=[84411], | 70.00th=[84411], 80.00th=[84411], 90.00th=[84411], 95.00th=[84411], | 99.00th=[84411], 99.50th=[84411], 99.90th=[84411], 99.95th=[84411], | 99.99th=[84411] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=10.10%, ctx=41, majf=0, minf=10 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=400MiB/s (419MB/s), 400MiB/s-400MiB/s (419MB/s-419MB/s), io=40.0MiB (41.9MB), run=100-100msec 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