== sanity test 398c: run fio to test AIO ================= 14:06:29 (1763406389) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.411083 s, 102 MB/s osc.lustre-OST0000-osc-ffff9bfd20bc3000.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=148311: Mon Nov 17 14:09:26 2025 write: IOPS=15, BW=60.5KiB/s (61.0kB/s)(10.0MiB/169168msec); 0 zone resets slat (usec): min=26, max=8967, avg=211.54, stdev=548.07 clat (msec): min=317, max=1877, avg=1055.68, stdev=260.61 lat (msec): min=317, max=1877, avg=1055.90, stdev=260.64 clat percentiles (msec): | 1.00th=[ 405], 5.00th=[ 634], 10.00th=[ 743], 20.00th=[ 844], | 30.00th=[ 911], 40.00th=[ 995], 50.00th=[ 1053], 60.00th=[ 1133], | 70.00th=[ 1183], 80.00th=[ 1267], 90.00th=[ 1385], 95.00th=[ 1485], | 99.00th=[ 1636], 99.50th=[ 1737], 99.90th=[ 1854], 99.95th=[ 1871], | 99.99th=[ 1871] bw ( KiB/s): min= 7, max= 128, per=25.79%, avg=62.40, stdev=29.51, samples=322 iops : min= 1, max= 32, avg=15.09, stdev= 7.40, samples=322 lat (msec) : 500=3.24%, 750=7.50%, 1000=31.33%, 2000=57.93% cpu : usr=0.05%, sys=0.25%, ctx=1591, 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=148312: Mon Nov 17 14:09:26 2025 write: IOPS=15, BW=60.6KiB/s (62.1kB/s)(10.0MiB/168956msec); 0 zone resets slat (usec): min=27, max=7669, avg=188.30, stdev=484.44 clat (msec): min=315, max=1976, avg=1054.58, stdev=263.47 lat (msec): min=315, max=1976, avg=1054.77, stdev=263.49 clat percentiles (msec): | 1.00th=[ 401], 5.00th=[ 617], 10.00th=[ 751], 20.00th=[ 844], | 30.00th=[ 919], 40.00th=[ 986], 50.00th=[ 1053], 60.00th=[ 1116], | 70.00th=[ 1183], 80.00th=[ 1284], 90.00th=[ 1401], 95.00th=[ 1469], | 99.00th=[ 1703], 99.50th=[ 1787], 99.90th=[ 1888], 99.95th=[ 1888], | 99.99th=[ 1972] bw ( KiB/s): min= 7, max= 128, per=25.08%, avg=60.69, stdev=26.96, samples=331 iops : min= 1, max= 32, avg=14.66, stdev= 6.77, samples=331 lat (msec) : 500=3.20%, 750=6.52%, 1000=32.19%, 2000=58.09% cpu : usr=0.05%, sys=0.24%, ctx=1586, 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=148313: Mon Nov 17 14:09:26 2025 write: IOPS=15, BW=60.6KiB/s (62.0kB/s)(10.0MiB/169060msec); 0 zone resets slat (usec): min=27, max=8817, avg=198.52, stdev=547.04 clat (msec): min=332, max=1897, avg=1055.07, stdev=263.31 lat (msec): min=332, max=1897, avg=1055.27, stdev=263.34 clat percentiles (msec): | 1.00th=[ 405], 5.00th=[ 617], 10.00th=[ 751], 20.00th=[ 852], | 30.00th=[ 919], 40.00th=[ 986], 50.00th=[ 1045], 60.00th=[ 1116], | 70.00th=[ 1183], 80.00th=[ 1267], 90.00th=[ 1368], 95.00th=[ 1502], | 99.00th=[ 1720], 99.50th=[ 1770], 99.90th=[ 1888], 99.95th=[ 1905], | 99.99th=[ 1905] bw ( KiB/s): min= 7, max= 128, per=25.47%, avg=61.63, stdev=32.67, samples=326 iops : min= 1, max= 32, avg=14.90, stdev= 8.20, samples=326 lat (msec) : 500=3.12%, 750=7.19%, 1000=31.64%, 2000=58.05% cpu : usr=0.04%, sys=0.25%, ctx=1407, 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=148314: Mon Nov 17 14:09:26 2025 write: IOPS=15, BW=60.7KiB/s (62.2kB/s)(10.0MiB/168561msec); 0 zone resets slat (usec): min=27, max=10862, avg=224.20, stdev=667.60 clat (msec): min=174, max=1977, avg=1052.76, stdev=266.55 lat (msec): min=174, max=1978, avg=1052.98, stdev=266.54 clat percentiles (msec): | 1.00th=[ 363], 5.00th=[ 625], 10.00th=[ 743], 20.00th=[ 852], | 30.00th=[ 927], 40.00th=[ 986], 50.00th=[ 1045], 60.00th=[ 1099], | 70.00th=[ 1183], 80.00th=[ 1267], 90.00th=[ 1385], 95.00th=[ 1485], | 99.00th=[ 1703], 99.50th=[ 1854], 99.90th=[ 1938], 99.95th=[ 1938], | 99.99th=[ 1972] bw ( KiB/s): min= 7, max= 167, per=26.28%, avg=63.60, stdev=31.37, samples=316 iops : min= 1, max= 41, avg=15.39, stdev= 7.85, samples=316 lat (msec) : 250=0.20%, 500=3.01%, 750=7.23%, 1000=32.66%, 2000=56.91% cpu : usr=0.05%, sys=0.26%, ctx=1702, 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=242KiB/s (248kB/s), 60.5KiB/s-60.7KiB/s (61.0kB/s-62.2kB/s), io=40.0MiB (41.9MB), run=168561-169168msec 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=148348: Mon Nov 17 14:11:27 2025 read: IOPS=11, BW=45.1KiB/s (46.2kB/s)(5048KiB/111994msec) slat (usec): min=2773, max=44230, avg=13547.57, stdev=6287.60 clat (msec): min=17, max=915, avg=438.12, stdev=114.35 lat (msec): min=24, max=934, avg=451.68, stdev=115.10 clat percentiles (msec): | 1.00th=[ 207], 5.00th=[ 275], 10.00th=[ 309], 20.00th=[ 342], | 30.00th=[ 376], 40.00th=[ 401], 50.00th=[ 426], 60.00th=[ 456], | 70.00th=[ 489], 80.00th=[ 527], 90.00th=[ 584], 95.00th=[ 634], | 99.00th=[ 751], 99.50th=[ 776], 99.90th=[ 911], 99.95th=[ 919], | 99.99th=[ 919] bw ( KiB/s): min= 7, max= 135, per=25.24%, avg=44.93, stdev=20.54, samples=220 iops : min= 1, max= 33, avg=10.70, stdev= 5.15, samples=220 write: IOPS=11, BW=46.4KiB/s (47.5kB/s)(5192KiB/111994msec); 0 zone resets slat (usec): min=29, max=14474, avg=298.91, stdev=815.16 clat (msec): min=241, max=1734, avg=938.38, stdev=242.44 lat (msec): min=241, max=1734, avg=938.68, stdev=242.48 clat percentiles (msec): | 1.00th=[ 451], 5.00th=[ 584], 10.00th=[ 651], 20.00th=[ 735], | 30.00th=[ 793], 40.00th=[ 852], 50.00th=[ 911], 60.00th=[ 969], | 70.00th=[ 1045], 80.00th=[ 1133], 90.00th=[ 1301], 95.00th=[ 1385], | 99.00th=[ 1569], 99.50th=[ 1620], 99.90th=[ 1720], 99.95th=[ 1737], | 99.99th=[ 1737] bw ( KiB/s): min= 7, max= 112, per=24.66%, avg=45.86, stdev=18.90, samples=221 iops : min= 1, max= 28, avg=10.93, stdev= 4.76, samples=221 lat (msec) : 20=0.08%, 100=0.20%, 250=0.74%, 500=35.86%, 750=23.24% lat (msec) : 1000=21.95%, 2000=17.93% cpu : usr=0.09%, sys=0.68%, ctx=4547, 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=148349: Mon Nov 17 14:11:27 2025 read: IOPS=11, BW=44.3KiB/s (45.4kB/s)(4976KiB/112271msec) slat (msec): min=2, max=529, avg=13.85, stdev=15.88 clat (msec): min=12, max=909, avg=440.67, stdev=115.69 lat (msec): min=24, max=916, avg=454.52, stdev=116.15 clat percentiles (msec): | 1.00th=[ 157], 5.00th=[ 279], 10.00th=[ 313], 20.00th=[ 351], | 30.00th=[ 384], 40.00th=[ 409], 50.00th=[ 430], 60.00th=[ 460], | 70.00th=[ 489], 80.00th=[ 527], 90.00th=[ 584], 95.00th=[ 642], | 99.00th=[ 776], 99.50th=[ 835], 99.90th=[ 902], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 7, max= 103, per=24.80%, avg=44.15, stdev=20.42, samples=220 iops : min= 1, max= 25, avg=10.50, stdev= 5.11, samples=220 write: IOPS=11, BW=46.9KiB/s (48.0kB/s)(5264KiB/112271msec); 0 zone resets slat (usec): min=27, max=9415, avg=244.81, stdev=549.08 clat (msec): min=175, max=1673, avg=933.09, stdev=255.43 lat (msec): min=175, max=1673, avg=933.34, stdev=255.44 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 567], 10.00th=[ 642], 20.00th=[ 735], | 30.00th=[ 785], 40.00th=[ 852], 50.00th=[ 902], 60.00th=[ 969], | 70.00th=[ 1036], 80.00th=[ 1133], 90.00th=[ 1301], 95.00th=[ 1418], | 99.00th=[ 1569], 99.50th=[ 1636], 99.90th=[ 1670], 99.95th=[ 1670], | 99.99th=[ 1670] bw ( KiB/s): min= 7, max= 119, per=25.08%, avg=46.64, stdev=19.42, samples=221 iops : min= 1, max= 29, avg=11.12, stdev= 4.89, samples=221 lat (msec) : 20=0.12%, 50=0.04%, 100=0.16%, 250=1.02%, 500=35.66% lat (msec) : 750=22.54%, 1000=22.70%, 2000=17.77% cpu : usr=0.11%, sys=0.64%, ctx=4475, 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=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=148350: Mon Nov 17 14:11:27 2025 read: IOPS=11, BW=44.5KiB/s (45.6kB/s)(4984KiB/111993msec) slat (usec): min=27, max=44989, avg=13606.98, stdev=6564.45 clat (msec): min=10, max=910, avg=439.70, stdev=117.34 lat (msec): min=18, max=920, avg=453.32, stdev=118.52 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 279], 10.00th=[ 317], 20.00th=[ 355], | 30.00th=[ 376], 40.00th=[ 401], 50.00th=[ 426], 60.00th=[ 451], | 70.00th=[ 485], 80.00th=[ 527], 90.00th=[ 584], 95.00th=[ 651], | 99.00th=[ 760], 99.50th=[ 835], 99.90th=[ 911], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 7, max= 126, per=24.95%, avg=44.41, stdev=19.87, samples=220 iops : min= 1, max= 31, avg=10.57, stdev= 4.98, samples=220 write: IOPS=11, BW=46.9KiB/s (48.1kB/s)(5256KiB/111993msec); 0 zone resets slat (usec): min=26, max=15191, avg=263.36, stdev=764.64 clat (msec): min=166, max=1715, avg=932.66, stdev=251.74 lat (msec): min=166, max=1715, avg=932.93, stdev=251.80 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 567], 10.00th=[ 651], 20.00th=[ 735], | 30.00th=[ 793], 40.00th=[ 852], 50.00th=[ 902], 60.00th=[ 961], | 70.00th=[ 1028], 80.00th=[ 1133], 90.00th=[ 1301], 95.00th=[ 1401], | 99.00th=[ 1552], 99.50th=[ 1586], 99.90th=[ 1703], 99.95th=[ 1720], | 99.99th=[ 1720] bw ( KiB/s): min= 7, max= 104, per=24.73%, avg=46.00, stdev=18.67, samples=222 iops : min= 1, max= 26, avg=10.96, stdev= 4.69, samples=222 lat (msec) : 20=0.16%, 50=0.12%, 100=0.12%, 250=1.29%, 500=35.39% lat (msec) : 750=22.73%, 1000=22.77%, 2000=17.42% cpu : usr=0.08%, sys=0.70%, ctx=4193, 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=148351: Mon Nov 17 14:11:27 2025 read: IOPS=11, BW=45.1KiB/s (46.2kB/s)(5060KiB/112172msec) slat (usec): min=2927, max=64945, avg=13706.64, stdev=6417.05 clat (msec): min=7, max=834, avg=446.17, stdev=112.66 lat (msec): min=16, max=852, avg=459.88, stdev=113.50 clat percentiles (msec): | 1.00th=[ 241], 5.00th=[ 288], 10.00th=[ 317], 20.00th=[ 355], | 30.00th=[ 384], 40.00th=[ 409], 50.00th=[ 430], 60.00th=[ 460], | 70.00th=[ 493], 80.00th=[ 542], 90.00th=[ 600], 95.00th=[ 651], | 99.00th=[ 768], 99.50th=[ 793], 99.90th=[ 827], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 7, max= 111, per=25.21%, avg=44.88, stdev=20.03, samples=221 iops : min= 1, max= 27, avg=10.68, stdev= 5.06, samples=221 write: IOPS=11, BW=46.2KiB/s (47.3kB/s)(5180KiB/112172msec); 0 zone resets slat (usec): min=29, max=13028, avg=266.90, stdev=703.86 clat (msec): min=202, max=1766, avg=933.93, stdev=245.20 lat (msec): min=203, max=1766, avg=934.19, stdev=245.22 clat percentiles (msec): | 1.00th=[ 418], 5.00th=[ 592], 10.00th=[ 659], 20.00th=[ 726], | 30.00th=[ 793], 40.00th=[ 844], 50.00th=[ 894], 60.00th=[ 961], | 70.00th=[ 1045], 80.00th=[ 1133], 90.00th=[ 1301], 95.00th=[ 1401], | 99.00th=[ 1569], 99.50th=[ 1603], 99.90th=[ 1687], 99.95th=[ 1770], | 99.99th=[ 1770] bw ( KiB/s): min= 7, max= 95, per=24.36%, avg=45.30, stdev=18.69, samples=223 iops : min= 1, max= 23, avg=10.78, stdev= 4.65, samples=223 lat (msec) : 10=0.08%, 100=0.08%, 250=0.59%, 500=35.94%, 750=23.87% lat (msec) : 1000=21.80%, 2000=17.66% cpu : usr=0.10%, sys=0.67%, ctx=4417, 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=179KiB/s (183kB/s), 44.3KiB/s-45.1KiB/s (45.4kB/s-46.2kB/s), io=19.6MiB (20.5MB), run=111993-112271msec WRITE: bw=186KiB/s (191kB/s), 46.2KiB/s-46.9KiB/s (47.3kB/s-48.1kB/s), io=20.4MiB (21.4MB), run=111993-112271msec 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=148371: Mon Nov 17 14:11:34 2025 read: IOPS=2, BW=117MiB/s (123MB/s)(40.0MiB/342msec) slat (nsec): min=25930k, max=25930k, avg=25930051.00, stdev= 0.00 clat (nsec): min=298767k, max=298767k, avg=298766545.00, stdev= 0.00 lat (nsec): min=324729k, max=324729k, avg=324729413.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 300], 10.00th=[ 300], 20.00th=[ 300], | 30.00th=[ 300], 40.00th=[ 300], 50.00th=[ 300], 60.00th=[ 300], | 70.00th=[ 300], 80.00th=[ 300], 90.00th=[ 300], 95.00th=[ 300], | 99.00th=[ 300], 99.50th=[ 300], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] lat (msec) : 500=100.00% cpu : usr=0.29%, sys=4.40%, ctx=45, 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=117MiB/s (123MB/s), 117MiB/s-117MiB/s (123MB/s-123MB/s), io=40.0MiB (41.9MB), run=342-342msec 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