== sanity test 398c: run fio to test AIO ================= 19:44:40 (1763340280) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.352282 s, 119 MB/s osc.lustre-OST0000-osc-ffff9119d8651000.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=184095: Sun Nov 16 19:45:12 2025 write: IOPS=108, BW=434KiB/s (445kB/s)(10.0MiB/23583msec); 0 zone resets slat (usec): min=26, max=8994, avg=130.93, stdev=416.31 clat (msec): min=9, max=255, avg=146.57, stdev=33.23 lat (msec): min=9, max=255, avg=146.70, stdev=33.23 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 97], 10.00th=[ 107], 20.00th=[ 120], | 30.00th=[ 129], 40.00th=[ 138], 50.00th=[ 146], 60.00th=[ 155], | 70.00th=[ 163], 80.00th=[ 174], 90.00th=[ 188], 95.00th=[ 203], | 99.00th=[ 234], 99.50th=[ 236], 99.90th=[ 255], 99.95th=[ 255], | 99.99th=[ 255] bw ( KiB/s): min= 337, max= 768, per=24.99%, avg=433.76, stdev=83.85, samples=46 iops : min= 84, max= 192, avg=108.07, stdev=21.00, samples=46 lat (msec) : 10=0.04%, 50=0.08%, 100=6.21%, 250=93.28%, 500=0.39% cpu : usr=0.11%, sys=0.92%, ctx=1822, 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=184096: Sun Nov 16 19:45:12 2025 write: IOPS=109, BW=438KiB/s (448kB/s)(10.0MiB/23397msec); 0 zone resets slat (usec): min=26, max=9575, avg=141.52, stdev=403.31 clat (msec): min=26, max=268, avg=145.83, stdev=34.46 lat (msec): min=27, max=268, avg=145.97, stdev=34.47 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 91], 10.00th=[ 102], 20.00th=[ 121], | 30.00th=[ 131], 40.00th=[ 140], 50.00th=[ 146], 60.00th=[ 155], | 70.00th=[ 163], 80.00th=[ 171], 90.00th=[ 190], 95.00th=[ 203], | 99.00th=[ 224], 99.50th=[ 230], 99.90th=[ 230], 99.95th=[ 230], | 99.99th=[ 268] bw ( KiB/s): min= 286, max= 768, per=25.12%, avg=436.13, stdev=88.43, samples=46 iops : min= 71, max= 192, avg=108.65, stdev=22.19, samples=46 lat (msec) : 50=0.90%, 100=7.93%, 250=91.13%, 500=0.04% cpu : usr=0.15%, sys=0.98%, ctx=2307, 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=184097: Sun Nov 16 19:45:12 2025 write: IOPS=108, BW=434KiB/s (445kB/s)(10.0MiB/23581msec); 0 zone resets slat (usec): min=27, max=21957, avg=153.14, stdev=590.86 clat (msec): min=15, max=234, avg=146.47, stdev=32.47 lat (msec): min=15, max=234, avg=146.63, stdev=32.47 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 95], 10.00th=[ 106], 20.00th=[ 122], | 30.00th=[ 130], 40.00th=[ 138], 50.00th=[ 146], 60.00th=[ 155], | 70.00th=[ 163], 80.00th=[ 174], 90.00th=[ 188], 95.00th=[ 205], | 99.00th=[ 228], 99.50th=[ 232], 99.90th=[ 232], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 302, max= 736, per=24.96%, avg=433.33, stdev=79.66, samples=46 iops : min= 75, max= 184, avg=107.93, stdev=19.95, samples=46 lat (msec) : 20=0.04%, 50=0.12%, 100=7.38%, 250=92.46% cpu : usr=0.23%, sys=0.98%, ctx=2534, 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=184098: Sun Nov 16 19:45:12 2025 write: IOPS=108, BW=435KiB/s (445kB/s)(10.0MiB/23556msec); 0 zone resets slat (usec): min=27, max=10153, avg=195.66, stdev=529.04 clat (msec): min=13, max=255, avg=146.37, stdev=33.70 lat (msec): min=13, max=255, avg=146.57, stdev=33.69 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 90], 10.00th=[ 105], 20.00th=[ 120], | 30.00th=[ 131], 40.00th=[ 140], 50.00th=[ 146], 60.00th=[ 155], | 70.00th=[ 163], 80.00th=[ 174], 90.00th=[ 192], 95.00th=[ 205], | 99.00th=[ 226], 99.50th=[ 234], 99.90th=[ 251], 99.95th=[ 251], | 99.99th=[ 255] bw ( KiB/s): min= 326, max= 728, per=25.01%, avg=434.15, stdev=74.63, samples=46 iops : min= 81, max= 182, avg=108.15, stdev=18.68, samples=46 lat (msec) : 20=0.04%, 50=0.27%, 100=7.93%, 250=91.64%, 500=0.12% cpu : usr=0.19%, sys=1.34%, ctx=3070, 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=1737KiB/s (1779kB/s), 434KiB/s-438KiB/s (445kB/s-448kB/s), io=40.0MiB (41.9MB), run=23397-23583msec 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=184112: Sun Nov 16 19:45:44 2025 read: IOPS=54, BW=220KiB/s (225kB/s)(5048KiB/22956msec) slat (usec): min=55, max=31771, avg=9511.70, stdev=4477.20 clat (msec): min=15, max=292, avg=135.98, stdev=31.43 lat (msec): min=23, max=311, avg=145.50, stdev=32.44 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 91], 10.00th=[ 100], 20.00th=[ 110], | 30.00th=[ 118], 40.00th=[ 127], 50.00th=[ 136], 60.00th=[ 144], | 70.00th=[ 153], 80.00th=[ 163], 90.00th=[ 176], 95.00th=[ 184], | 99.00th=[ 220], 99.50th=[ 236], 99.90th=[ 275], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 119, max= 326, per=25.68%, avg=220.04, stdev=40.11, samples=45 iops : min= 29, max= 81, avg=54.58, stdev=10.09, samples=45 write: IOPS=56, BW=226KiB/s (232kB/s)(5192KiB/22956msec); 0 zone resets slat (usec): min=29, max=3501, avg=150.68, stdev=295.94 clat (msec): min=33, max=317, avg=140.90, stdev=28.35 lat (msec): min=33, max=317, avg=141.05, stdev=28.35 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 101], 10.00th=[ 108], 20.00th=[ 117], | 30.00th=[ 126], 40.00th=[ 132], 50.00th=[ 140], 60.00th=[ 148], | 70.00th=[ 155], 80.00th=[ 163], 90.00th=[ 178], 95.00th=[ 192], | 99.00th=[ 211], 99.50th=[ 224], 99.90th=[ 292], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 135, max= 342, per=25.39%, avg=226.47, stdev=43.96, samples=45 iops : min= 33, max= 85, avg=56.20, stdev=10.96, samples=45 lat (msec) : 20=0.08%, 50=0.27%, 100=7.58%, 250=91.80%, 500=0.27% cpu : usr=0.20%, sys=1.82%, ctx=4294, 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=184113: Sun Nov 16 19:45:44 2025 read: IOPS=53, BW=214KiB/s (220kB/s)(4976KiB/23200msec) slat (usec): min=2372, max=40353, avg=9722.22, stdev=4575.33 clat (msec): min=66, max=238, avg=137.67, stdev=29.14 lat (msec): min=72, max=255, avg=147.40, stdev=30.14 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 96], 10.00th=[ 102], 20.00th=[ 112], | 30.00th=[ 121], 40.00th=[ 129], 50.00th=[ 136], 60.00th=[ 144], | 70.00th=[ 155], 80.00th=[ 163], 90.00th=[ 176], 95.00th=[ 188], | 99.00th=[ 215], 99.50th=[ 224], 99.90th=[ 236], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 110, max= 293, per=24.88%, avg=213.22, stdev=41.63, samples=46 iops : min= 27, max= 73, avg=52.87, stdev=10.34, samples=46 write: IOPS=56, BW=227KiB/s (232kB/s)(5264KiB/23200msec); 0 zone resets slat (usec): min=29, max=6004, avg=149.88, stdev=351.12 clat (msec): min=68, max=237, avg=140.78, stdev=26.23 lat (msec): min=68, max=237, avg=140.94, stdev=26.23 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 104], 10.00th=[ 110], 20.00th=[ 118], | 30.00th=[ 126], 40.00th=[ 131], 50.00th=[ 138], 60.00th=[ 146], | 70.00th=[ 153], 80.00th=[ 163], 90.00th=[ 178], 95.00th=[ 188], | 99.00th=[ 207], 99.50th=[ 213], 99.90th=[ 228], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 134, max= 327, per=25.38%, avg=226.41, stdev=46.40, samples=46 iops : min= 33, max= 81, avg=56.17, stdev=11.64, samples=46 lat (msec) : 100=6.25%, 250=93.75% cpu : usr=0.27%, sys=1.84%, ctx=4533, 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=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=184114: Sun Nov 16 19:45:44 2025 read: IOPS=53, BW=215KiB/s (220kB/s)(4984KiB/23173msec) slat (msec): min=2, max=146, avg= 9.80, stdev= 5.81 clat (msec): min=40, max=266, avg=135.21, stdev=29.09 lat (msec): min=45, max=277, avg=145.02, stdev=30.04 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 92], 10.00th=[ 101], 20.00th=[ 110], | 30.00th=[ 117], 40.00th=[ 126], 50.00th=[ 134], 60.00th=[ 142], | 70.00th=[ 150], 80.00th=[ 157], 90.00th=[ 174], 95.00th=[ 186], | 99.00th=[ 213], 99.50th=[ 224], 99.90th=[ 249], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 119, max= 310, per=25.03%, avg=214.54, stdev=47.36, samples=46 iops : min= 29, max= 77, avg=53.22, stdev=11.80, samples=46 write: IOPS=56, BW=227KiB/s (232kB/s)(5256KiB/23173msec); 0 zone resets slat (usec): min=28, max=10496, avg=172.10, stdev=566.87 clat (msec): min=75, max=266, avg=142.56, stdev=27.89 lat (msec): min=75, max=266, avg=142.74, stdev=27.90 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 103], 10.00th=[ 110], 20.00th=[ 120], | 30.00th=[ 127], 40.00th=[ 133], 50.00th=[ 140], 60.00th=[ 148], | 70.00th=[ 157], 80.00th=[ 165], 90.00th=[ 178], 95.00th=[ 190], | 99.00th=[ 230], 99.50th=[ 255], 99.90th=[ 264], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 134, max= 326, per=25.23%, avg=225.04, stdev=42.09, samples=46 iops : min= 33, max= 81, avg=55.85, stdev=10.57, samples=46 lat (msec) : 50=0.08%, 100=6.41%, 250=93.16%, 500=0.35% cpu : usr=0.28%, sys=1.71%, ctx=4200, 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=184115: Sun Nov 16 19:45:44 2025 read: IOPS=54, BW=216KiB/s (221kB/s)(5060KiB/23410msec) slat (msec): min=2, max=201, avg=10.09, stdev= 9.35 clat (msec): min=10, max=816, avg=138.45, stdev=59.33 lat (msec): min=17, max=825, avg=148.55, stdev=62.05 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 90], 10.00th=[ 97], 20.00th=[ 109], | 30.00th=[ 118], 40.00th=[ 128], 50.00th=[ 136], 60.00th=[ 144], | 70.00th=[ 150], 80.00th=[ 161], 90.00th=[ 176], 95.00th=[ 186], | 99.00th=[ 239], 99.50th=[ 617], 99.90th=[ 793], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 95, max= 310, per=24.84%, avg=212.87, stdev=43.54, samples=46 iops : min= 23, max= 77, avg=52.78, stdev=10.87, samples=46 write: IOPS=55, BW=221KiB/s (227kB/s)(5180KiB/23410msec); 0 zone resets slat (usec): min=28, max=12578, avg=171.98, stdev=612.19 clat (msec): min=21, max=805, avg=141.95, stdev=51.05 lat (msec): min=21, max=805, avg=142.12, stdev=51.06 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 95], 10.00th=[ 106], 20.00th=[ 116], | 30.00th=[ 124], 40.00th=[ 131], 50.00th=[ 140], 60.00th=[ 148], | 70.00th=[ 155], 80.00th=[ 165], 90.00th=[ 178], 95.00th=[ 188], | 99.00th=[ 211], 99.50th=[ 255], 99.90th=[ 810], 99.95th=[ 810], | 99.99th=[ 810] bw ( KiB/s): min= 47, max= 342, per=24.34%, avg=217.09, stdev=54.70, samples=46 iops : min= 11, max= 85, avg=53.85, stdev=13.73, samples=46 lat (msec) : 20=0.16%, 50=1.17%, 100=8.01%, 250=89.92%, 500=0.20% lat (msec) : 750=0.12%, 1000=0.43% cpu : usr=0.23%, sys=1.79%, ctx=3950, 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=857KiB/s (878kB/s), 214KiB/s-220KiB/s (220kB/s-225kB/s), io=19.6MiB (20.5MB), run=22956-23410msec WRITE: bw=892KiB/s (914kB/s), 221KiB/s-227KiB/s (227kB/s-232kB/s), io=20.4MiB (21.4MB), run=22956-23410msec 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=184122: Sun Nov 16 19:45:53 2025 read: IOPS=2, BW=119MiB/s (124MB/s)(40.0MiB/337msec) slat (nsec): min=22772k, max=22772k, avg=22771906.00, stdev= 0.00 clat (nsec): min=294321k, max=294321k, avg=294321450.00, stdev= 0.00 lat (nsec): min=317097k, max=317097k, avg=317097289.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 296], 10.00th=[ 296], 20.00th=[ 296], | 30.00th=[ 296], 40.00th=[ 296], 50.00th=[ 296], 60.00th=[ 296], | 70.00th=[ 296], 80.00th=[ 296], 90.00th=[ 296], 95.00th=[ 296], | 99.00th=[ 296], 99.50th=[ 296], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.08%, ctx=8, majf=0, minf=9 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=119MiB/s (124MB/s), 119MiB/s-119MiB/s (124MB/s-124MB/s), io=40.0MiB (41.9MB), run=337-337msec 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