== sanity test 398c: run fio to test AIO ================= 22:35:13 (1763350513) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.385329 s, 109 MB/s osc.lustre-OST0000-osc-ffff89de82a2a000.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=149475: Sun Nov 16 22:37:47 2025 write: IOPS=17, BW=70.2KiB/s (71.9kB/s)(10.0MiB/145821msec); 0 zone resets slat (usec): min=27, max=16649, avg=180.68, stdev=531.37 clat (msec): min=175, max=1570, avg=910.43, stdev=217.80 lat (msec): min=176, max=1570, avg=910.62, stdev=217.79 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 575], 10.00th=[ 642], 20.00th=[ 743], | 30.00th=[ 818], 40.00th=[ 869], 50.00th=[ 911], 60.00th=[ 953], | 70.00th=[ 1020], 80.00th=[ 1083], 90.00th=[ 1183], 95.00th=[ 1250], | 99.00th=[ 1435], 99.50th=[ 1502], 99.90th=[ 1552], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 7, max= 210, per=24.78%, avg=69.38, stdev=25.69, samples=290 iops : min= 1, max= 52, avg=16.86, stdev= 6.48, samples=290 lat (msec) : 250=0.78%, 500=3.01%, 750=17.73%, 1000=44.96%, 2000=33.52% cpu : usr=0.06%, sys=0.28%, ctx=1794, 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=149476: Sun Nov 16 22:37:47 2025 write: IOPS=17, BW=70.2KiB/s (71.9kB/s)(10.0MiB/145865msec); 0 zone resets slat (usec): min=27, max=7501, avg=172.74, stdev=425.57 clat (msec): min=161, max=1602, avg=910.60, stdev=219.96 lat (msec): min=161, max=1602, avg=910.77, stdev=219.97 clat percentiles (msec): | 1.00th=[ 305], 5.00th=[ 558], 10.00th=[ 651], 20.00th=[ 743], | 30.00th=[ 810], 40.00th=[ 860], 50.00th=[ 911], 60.00th=[ 961], | 70.00th=[ 1020], 80.00th=[ 1099], 90.00th=[ 1183], 95.00th=[ 1250], | 99.00th=[ 1435], 99.50th=[ 1502], 99.90th=[ 1569], 99.95th=[ 1569], | 99.99th=[ 1603] bw ( KiB/s): min= 7, max= 176, per=24.80%, avg=69.43, stdev=28.25, samples=290 iops : min= 1, max= 44, avg=16.87, stdev= 7.08, samples=290 lat (msec) : 250=0.70%, 500=3.01%, 750=17.50%, 1000=45.78%, 2000=33.01% cpu : usr=0.05%, sys=0.26%, ctx=1698, 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=149477: Sun Nov 16 22:37:47 2025 write: IOPS=17, BW=70.5KiB/s (72.2kB/s)(10.0MiB/145305msec); 0 zone resets slat (usec): min=27, max=8163, avg=189.59, stdev=517.81 clat (msec): min=73, max=1888, avg=907.56, stdev=226.91 lat (msec): min=73, max=1888, avg=907.75, stdev=226.90 clat percentiles (msec): | 1.00th=[ 249], 5.00th=[ 558], 10.00th=[ 642], 20.00th=[ 735], | 30.00th=[ 802], 40.00th=[ 860], 50.00th=[ 911], 60.00th=[ 953], | 70.00th=[ 1020], 80.00th=[ 1083], 90.00th=[ 1183], 95.00th=[ 1267], | 99.00th=[ 1435], 99.50th=[ 1519], 99.90th=[ 1854], 99.95th=[ 1888], | 99.99th=[ 1888] bw ( KiB/s): min= 7, max= 209, per=24.95%, avg=69.86, stdev=28.28, samples=288 iops : min= 1, max= 52, avg=16.98, stdev= 7.12, samples=288 lat (msec) : 100=0.08%, 250=0.94%, 500=3.01%, 750=17.46%, 1000=45.86% lat (msec) : 2000=32.66% cpu : usr=0.04%, sys=0.29%, ctx=1935, 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=149478: Sun Nov 16 22:37:47 2025 write: IOPS=17, BW=70.3KiB/s (72.0kB/s)(10.0MiB/145574msec); 0 zone resets slat (usec): min=22, max=8188, avg=194.76, stdev=509.14 clat (msec): min=164, max=1573, avg=908.77, stdev=221.92 lat (msec): min=164, max=1574, avg=908.96, stdev=221.93 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 558], 10.00th=[ 642], 20.00th=[ 751], | 30.00th=[ 802], 40.00th=[ 860], 50.00th=[ 902], 60.00th=[ 961], | 70.00th=[ 1020], 80.00th=[ 1099], 90.00th=[ 1183], 95.00th=[ 1267], | 99.00th=[ 1435], 99.50th=[ 1485], 99.90th=[ 1519], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 7, max= 211, per=24.86%, avg=69.61, stdev=29.16, samples=289 iops : min= 1, max= 52, avg=16.92, stdev= 7.35, samples=289 lat (msec) : 250=0.78%, 500=3.05%, 750=16.56%, 1000=46.88%, 2000=32.73% cpu : usr=0.04%, sys=0.31%, ctx=1964, 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=281KiB/s (288kB/s), 70.2KiB/s-70.5KiB/s (71.9kB/s-72.2kB/s), io=40.0MiB (41.9MB), run=145305-145865msec 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=149508: Sun Nov 16 22:39:22 2025 read: IOPS=14, BW=57.1KiB/s (58.5kB/s)(5048KiB/88378msec) slat (usec): min=2627, max=37926, avg=10835.04, stdev=4844.66 clat (msec): min=40, max=660, avg=348.59, stdev=82.10 lat (msec): min=51, max=673, avg=359.43, stdev=82.96 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 226], 10.00th=[ 253], 20.00th=[ 279], | 30.00th=[ 305], 40.00th=[ 330], 50.00th=[ 351], 60.00th=[ 363], | 70.00th=[ 388], 80.00th=[ 414], 90.00th=[ 451], 95.00th=[ 477], | 99.00th=[ 575], 99.50th=[ 600], 99.90th=[ 659], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 15, max= 144, per=25.00%, avg=56.50, stdev=24.19, samples=175 iops : min= 3, max= 36, avg=13.63, stdev= 6.08, samples=175 write: IOPS=14, BW=58.7KiB/s (60.2kB/s)(5192KiB/88378msec); 0 zone resets slat (usec): min=36, max=7625, avg=207.73, stdev=423.89 clat (msec): min=72, max=1403, avg=738.11, stdev=177.40 lat (msec): min=72, max=1404, avg=738.32, stdev=177.40 clat percentiles (msec): | 1.00th=[ 317], 5.00th=[ 460], 10.00th=[ 523], 20.00th=[ 592], | 30.00th=[ 634], 40.00th=[ 693], 50.00th=[ 735], 60.00th=[ 776], | 70.00th=[ 827], 80.00th=[ 894], 90.00th=[ 961], 95.00th=[ 1036], | 99.00th=[ 1150], 99.50th=[ 1267], 99.90th=[ 1401], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 8, max= 112, per=24.77%, avg=58.22, stdev=21.29, samples=175 iops : min= 2, max= 28, avg=14.06, stdev= 5.36, samples=175 lat (msec) : 50=0.12%, 100=0.31%, 250=4.38%, 500=47.11%, 750=24.30% lat (msec) : 1000=20.20%, 2000=3.59% cpu : usr=0.10%, sys=0.78%, ctx=5018, 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=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=149509: Sun Nov 16 22:39:22 2025 read: IOPS=14, BW=56.3KiB/s (57.7kB/s)(4976KiB/88375msec) slat (usec): min=38, max=39067, avg=10873.91, stdev=4995.88 clat (msec): min=18, max=677, avg=351.32, stdev=80.69 lat (msec): min=35, max=681, avg=362.20, stdev=81.57 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 234], 10.00th=[ 259], 20.00th=[ 288], | 30.00th=[ 313], 40.00th=[ 330], 50.00th=[ 351], 60.00th=[ 368], | 70.00th=[ 388], 80.00th=[ 414], 90.00th=[ 451], 95.00th=[ 485], | 99.00th=[ 567], 99.50th=[ 592], 99.90th=[ 667], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 7, max= 127, per=24.63%, avg=55.67, stdev=22.90, samples=175 iops : min= 1, max= 31, avg=13.42, stdev= 5.78, samples=175 write: IOPS=14, BW=59.6KiB/s (60.0kB/s)(5264KiB/88375msec); 0 zone resets slat (usec): min=30, max=5483, avg=240.24, stdev=502.68 clat (msec): min=98, max=1291, avg=731.32, stdev=180.07 lat (msec): min=98, max=1291, avg=731.56, stdev=180.07 clat percentiles (msec): | 1.00th=[ 268], 5.00th=[ 451], 10.00th=[ 518], 20.00th=[ 592], | 30.00th=[ 642], 40.00th=[ 684], 50.00th=[ 726], 60.00th=[ 776], | 70.00th=[ 818], 80.00th=[ 885], 90.00th=[ 961], 95.00th=[ 1028], | 99.00th=[ 1150], 99.50th=[ 1217], 99.90th=[ 1284], 99.95th=[ 1284], | 99.99th=[ 1284] bw ( KiB/s): min= 15, max= 135, per=25.09%, avg=58.97, stdev=20.08, samples=175 iops : min= 3, max= 33, avg=14.24, stdev= 5.05, samples=175 lat (msec) : 20=0.04%, 50=0.12%, 100=0.20%, 250=4.06%, 500=47.15% lat (msec) : 750=24.84%, 1000=20.08%, 2000=3.52% cpu : usr=0.09%, sys=0.74%, ctx=4783, 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=149510: Sun Nov 16 22:39:22 2025 read: IOPS=14, BW=56.3KiB/s (57.6kB/s)(4984KiB/88552msec) slat (usec): min=3005, max=44920, avg=10887.34, stdev=5055.60 clat (msec): min=17, max=698, avg=350.69, stdev=79.41 lat (msec): min=22, max=709, avg=361.58, stdev=80.20 clat percentiles (msec): | 1.00th=[ 190], 5.00th=[ 239], 10.00th=[ 262], 20.00th=[ 284], | 30.00th=[ 309], 40.00th=[ 330], 50.00th=[ 347], 60.00th=[ 363], | 70.00th=[ 388], 80.00th=[ 409], 90.00th=[ 451], 95.00th=[ 489], | 99.00th=[ 584], 99.50th=[ 592], 99.90th=[ 659], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 7, max= 144, per=24.61%, avg=55.61, stdev=25.68, samples=176 iops : min= 1, max= 36, avg=13.40, stdev= 6.43, samples=176 write: IOPS=14, BW=59.4KiB/s (60.8kB/s)(5256KiB/88552msec); 0 zone resets slat (usec): min=31, max=7217, avg=203.41, stdev=415.81 clat (msec): min=81, max=1386, avg=733.60, stdev=190.82 lat (msec): min=81, max=1387, avg=733.81, stdev=190.83 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 430], 10.00th=[ 510], 20.00th=[ 592], | 30.00th=[ 642], 40.00th=[ 693], 50.00th=[ 735], 60.00th=[ 776], | 70.00th=[ 827], 80.00th=[ 885], 90.00th=[ 978], 95.00th=[ 1036], | 99.00th=[ 1183], 99.50th=[ 1250], 99.90th=[ 1334], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 7, max= 166, per=24.92%, avg=58.56, stdev=21.56, samples=176 iops : min= 1, max= 41, avg=14.14, stdev= 5.41, samples=176 lat (msec) : 20=0.04%, 50=0.04%, 100=0.55%, 250=3.52%, 500=47.50% lat (msec) : 750=24.65%, 1000=19.69%, 2000=4.02% cpu : usr=0.10%, sys=0.73%, ctx=4728, 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=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=149511: Sun Nov 16 22:39:22 2025 read: IOPS=14, BW=57.3KiB/s (58.7kB/s)(5060KiB/88318msec) slat (usec): min=2407, max=33940, avg=10555.31, stdev=4652.49 clat (msec): min=11, max=718, avg=350.46, stdev=79.87 lat (msec): min=16, max=724, avg=361.03, stdev=80.64 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 239], 10.00th=[ 262], 20.00th=[ 288], | 30.00th=[ 309], 40.00th=[ 326], 50.00th=[ 347], 60.00th=[ 368], | 70.00th=[ 388], 80.00th=[ 414], 90.00th=[ 451], 95.00th=[ 481], | 99.00th=[ 558], 99.50th=[ 592], 99.90th=[ 684], 99.95th=[ 718], | 99.99th=[ 718] bw ( KiB/s): min= 7, max= 127, per=25.25%, avg=57.07, stdev=22.76, samples=174 iops : min= 1, max= 31, avg=13.77, stdev= 5.67, samples=174 write: IOPS=14, BW=58.7KiB/s (60.1kB/s)(5180KiB/88318msec); 0 zone resets slat (usec): min=28, max=13364, avg=221.53, stdev=567.41 clat (msec): min=88, max=1369, avg=736.60, stdev=177.45 lat (msec): min=88, max=1369, avg=736.82, stdev=177.46 clat percentiles (msec): | 1.00th=[ 317], 5.00th=[ 451], 10.00th=[ 523], 20.00th=[ 592], | 30.00th=[ 642], 40.00th=[ 693], 50.00th=[ 735], 60.00th=[ 776], | 70.00th=[ 827], 80.00th=[ 877], 90.00th=[ 969], 95.00th=[ 1036], | 99.00th=[ 1150], 99.50th=[ 1200], 99.90th=[ 1334], 99.95th=[ 1368], | 99.99th=[ 1368] bw ( KiB/s): min= 8, max= 112, per=24.70%, avg=58.05, stdev=20.50, samples=175 iops : min= 2, max= 28, avg=14.02, stdev= 5.17, samples=175 lat (msec) : 20=0.08%, 50=0.12%, 100=0.12%, 250=3.48%, 500=47.89% lat (msec) : 750=24.49%, 1000=20.12%, 2000=3.71% cpu : usr=0.09%, sys=0.75%, ctx=4696, 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=227KiB/s (232kB/s), 56.3KiB/s-57.3KiB/s (57.6kB/s-58.7kB/s), io=19.6MiB (20.5MB), run=88318-88552msec WRITE: bw=236KiB/s (242kB/s), 58.7KiB/s-59.6KiB/s (60.1kB/s-60.0kB/s), io=20.4MiB (21.4MB), run=88318-88552msec 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=149528: Sun Nov 16 22:39:29 2025 read: IOPS=2, BW=86.8MiB/s (90.0MB/s)(40.0MiB/461msec) slat (nsec): min=26661k, max=26661k, avg=26661214.00, stdev= 0.00 clat (nsec): min=408375k, max=408375k, avg=408374778.00, stdev= 0.00 lat (nsec): min=435041k, max=435041k, avg=435040549.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 409], 5.00th=[ 409], 10.00th=[ 409], 20.00th=[ 409], | 30.00th=[ 409], 40.00th=[ 409], 50.00th=[ 409], 60.00th=[ 409], | 70.00th=[ 409], 80.00th=[ 409], 90.00th=[ 409], 95.00th=[ 409], | 99.00th=[ 409], 99.50th=[ 409], 99.90th=[ 409], 99.95th=[ 409], | 99.99th=[ 409] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.61%, ctx=4, 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=86.8MiB/s (90.0MB/s), 86.8MiB/s-86.8MiB/s (90.0MB/s-90.0MB/s), io=40.0MiB (41.9MB), run=461-461msec 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