== sanity test 398c: run fio to test AIO ================= 20:06:39 (1753747599) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.176079 s, 238 MB/s osc.lustre-OST0000-osc-ffff963ea0ca0800.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=182364: Mon Jul 28 20:06:53 2025 write: IOPS=247, BW=989KiB/s (1013kB/s)(10.0MiB/10355msec); 0 zone resets slat (usec): min=23, max=1763, avg=107.12, stdev=116.36 clat (msec): min=15, max=130, avg=64.05, stdev=18.71 lat (msec): min=15, max=130, avg=64.16, stdev=18.71 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 39], 10.00th=[ 43], 20.00th=[ 48], | 30.00th=[ 53], 40.00th=[ 57], 50.00th=[ 61], 60.00th=[ 66], | 70.00th=[ 73], 80.00th=[ 80], 90.00th=[ 90], 95.00th=[ 100], | 99.00th=[ 120], 99.50th=[ 129], 99.90th=[ 131], 99.95th=[ 131], | 99.99th=[ 131] bw ( KiB/s): min= 608, max= 1504, per=24.98%, avg=988.05, stdev=241.36, samples=20 iops : min= 152, max= 376, avg=246.85, stdev=60.40, samples=20 lat (msec) : 20=0.04%, 50=24.10%, 100=71.41%, 250=4.45% cpu : usr=0.35%, sys=2.67%, ctx=1354, 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=182365: Mon Jul 28 20:06:53 2025 write: IOPS=247, BW=992KiB/s (1016kB/s)(10.0MiB/10324msec); 0 zone resets slat (usec): min=23, max=3573, avg=110.98, stdev=145.68 clat (msec): min=6, max=130, avg=64.14, stdev=19.25 lat (msec): min=6, max=131, avg=64.25, stdev=19.25 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 39], 10.00th=[ 43], 20.00th=[ 48], | 30.00th=[ 53], 40.00th=[ 57], 50.00th=[ 62], 60.00th=[ 67], | 70.00th=[ 73], 80.00th=[ 79], 90.00th=[ 90], 95.00th=[ 103], | 99.00th=[ 124], 99.50th=[ 131], 99.90th=[ 131], 99.95th=[ 131], | 99.99th=[ 131] bw ( KiB/s): min= 560, max= 1448, per=25.08%, avg=992.10, stdev=236.90, samples=20 iops : min= 140, max= 362, avg=247.85, stdev=59.30, samples=20 lat (msec) : 10=0.08%, 20=0.16%, 50=24.92%, 100=69.18%, 250=5.66% cpu : usr=0.37%, sys=2.38%, ctx=1477, 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=182366: Mon Jul 28 20:06:53 2025 write: IOPS=248, BW=993KiB/s (1017kB/s)(10.0MiB/10312msec); 0 zone resets slat (usec): min=27, max=3400, avg=115.35, stdev=166.34 clat (msec): min=13, max=138, avg=64.23, stdev=18.83 lat (msec): min=13, max=138, avg=64.34, stdev=18.84 clat percentiles (msec): | 1.00th=[ 33], 5.00th=[ 40], 10.00th=[ 43], 20.00th=[ 48], | 30.00th=[ 53], 40.00th=[ 58], 50.00th=[ 62], 60.00th=[ 67], | 70.00th=[ 72], 80.00th=[ 79], 90.00th=[ 90], 95.00th=[ 101], | 99.00th=[ 118], 99.50th=[ 130], 99.90th=[ 136], 99.95th=[ 138], | 99.99th=[ 138] bw ( KiB/s): min= 600, max= 1480, per=25.11%, avg=993.15, stdev=236.96, samples=20 iops : min= 150, max= 370, avg=248.10, stdev=59.32, samples=20 lat (msec) : 20=0.20%, 50=24.10%, 100=70.62%, 250=5.08% cpu : usr=0.50%, sys=2.30%, ctx=1429, 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=182367: Mon Jul 28 20:06:53 2025 write: IOPS=247, BW=989KiB/s (1013kB/s)(10.0MiB/10355msec); 0 zone resets slat (usec): min=27, max=35465, avg=119.82, stdev=710.90 clat (msec): min=8, max=130, avg=64.08, stdev=18.88 lat (msec): min=8, max=130, avg=64.20, stdev=18.88 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 39], 10.00th=[ 43], 20.00th=[ 48], | 30.00th=[ 53], 40.00th=[ 57], 50.00th=[ 62], 60.00th=[ 66], | 70.00th=[ 73], 80.00th=[ 80], 90.00th=[ 91], 95.00th=[ 102], | 99.00th=[ 124], 99.50th=[ 130], 99.90th=[ 130], 99.95th=[ 131], | 99.99th=[ 131] bw ( KiB/s): min= 632, max= 1504, per=24.97%, avg=987.75, stdev=243.30, samples=20 iops : min= 158, max= 376, avg=246.75, stdev=60.92, samples=20 lat (msec) : 10=0.04%, 50=24.92%, 100=69.77%, 250=5.27% cpu : usr=0.32%, sys=2.68%, ctx=1386, 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=3956KiB/s (4051kB/s), 989KiB/s-993KiB/s (1013kB/s-1017kB/s), io=40.0MiB (41.9MB), run=10312-10355msec 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=182378: Mon Jul 28 20:07:06 2025 read: IOPS=136, BW=545KiB/s (558kB/s)(5048KiB/9261msec) slat (usec): min=37, max=13186, avg=3832.73, stdev=1730.41 clat (msec): min=3, max=118, avg=55.38, stdev=16.28 lat (msec): min=7, max=125, avg=59.22, stdev=17.11 clat percentiles (msec): | 1.00th=[ 28], 5.00th=[ 34], 10.00th=[ 38], 20.00th=[ 42], | 30.00th=[ 45], 40.00th=[ 50], 50.00th=[ 54], 60.00th=[ 57], | 70.00th=[ 63], 80.00th=[ 68], 90.00th=[ 79], 95.00th=[ 86], | 99.00th=[ 103], 99.50th=[ 107], 99.90th=[ 116], 99.95th=[ 118], | 99.99th=[ 118] bw ( KiB/s): min= 399, max= 720, per=25.20%, avg=543.89, stdev=104.38, samples=18 iops : min= 99, max= 180, avg=135.78, stdev=26.18, samples=18 write: IOPS=140, BW=561KiB/s (574kB/s)(5192KiB/9261msec); 0 zone resets slat (usec): min=23, max=2255, avg=101.49, stdev=113.33 clat (msec): min=8, max=136, avg=56.30, stdev=15.44 lat (msec): min=9, max=136, avg=56.40, stdev=15.45 clat percentiles (msec): | 1.00th=[ 30], 5.00th=[ 35], 10.00th=[ 38], 20.00th=[ 43], | 30.00th=[ 47], 40.00th=[ 52], 50.00th=[ 56], 60.00th=[ 59], | 70.00th=[ 64], 80.00th=[ 69], 90.00th=[ 78], 95.00th=[ 83], | 99.00th=[ 94], 99.50th=[ 108], 99.90th=[ 136], 99.95th=[ 136], | 99.99th=[ 136] bw ( KiB/s): min= 376, max= 808, per=24.95%, avg=560.61, stdev=134.77, samples=18 iops : min= 94, max= 202, avg=140.00, stdev=33.74, samples=18 lat (msec) : 4=0.04%, 10=0.12%, 20=0.20%, 50=38.83%, 100=59.77% lat (msec) : 250=1.05% cpu : usr=0.45%, sys=3.73%, ctx=2429, 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=182379: Mon Jul 28 20:07:06 2025 read: IOPS=133, BW=535KiB/s (548kB/s)(4976KiB/9295msec) slat (usec): min=1195, max=13251, avg=3826.74, stdev=1672.27 clat (msec): min=4, max=113, avg=55.06, stdev=15.39 lat (msec): min=7, max=119, avg=58.89, stdev=16.14 clat percentiles (msec): | 1.00th=[ 30], 5.00th=[ 34], 10.00th=[ 38], 20.00th=[ 42], | 30.00th=[ 46], 40.00th=[ 50], 50.00th=[ 53], 60.00th=[ 57], | 70.00th=[ 62], 80.00th=[ 67], 90.00th=[ 75], 95.00th=[ 84], | 99.00th=[ 103], 99.50th=[ 104], 99.90th=[ 113], 99.95th=[ 113], | 99.99th=[ 113] bw ( KiB/s): min= 368, max= 760, per=24.71%, avg=533.33, stdev=112.63, samples=18 iops : min= 92, max= 190, avg=133.17, stdev=28.24, samples=18 write: IOPS=141, BW=566KiB/s (580kB/s)(5264KiB/9295msec); 0 zone resets slat (usec): min=25, max=2438, avg=101.84, stdev=116.14 clat (msec): min=15, max=110, avg=56.68, stdev=14.70 lat (msec): min=15, max=110, avg=56.78, stdev=14.71 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 35], 10.00th=[ 39], 20.00th=[ 44], | 30.00th=[ 48], 40.00th=[ 52], 50.00th=[ 56], 60.00th=[ 61], | 70.00th=[ 64], 80.00th=[ 70], 90.00th=[ 77], 95.00th=[ 82], | 99.00th=[ 97], 99.50th=[ 101], 99.90th=[ 110], 99.95th=[ 110], | 99.99th=[ 110] bw ( KiB/s): min= 407, max= 792, per=25.18%, avg=565.72, stdev=130.06, samples=18 iops : min= 101, max= 198, avg=141.22, stdev=32.56, samples=18 lat (msec) : 10=0.04%, 20=0.04%, 50=38.67%, 100=60.31%, 250=0.94% cpu : usr=0.41%, sys=3.78%, ctx=2578, 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=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=182380: Mon Jul 28 20:07:06 2025 read: IOPS=134, BW=537KiB/s (550kB/s)(4984KiB/9286msec) slat (usec): min=1222, max=12986, avg=3818.18, stdev=1643.74 clat (msec): min=5, max=117, avg=54.91, stdev=15.66 lat (msec): min=6, max=124, avg=58.73, stdev=16.47 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 35], 10.00th=[ 38], 20.00th=[ 42], | 30.00th=[ 46], 40.00th=[ 49], 50.00th=[ 53], 60.00th=[ 57], | 70.00th=[ 63], 80.00th=[ 68], 90.00th=[ 75], 95.00th=[ 85], | 99.00th=[ 101], 99.50th=[ 105], 99.90th=[ 112], 99.95th=[ 118], | 99.99th=[ 118] bw ( KiB/s): min= 328, max= 816, per=24.91%, avg=537.61, stdev=139.59, samples=18 iops : min= 82, max= 204, avg=134.17, stdev=34.99, samples=18 write: IOPS=141, BW=566KiB/s (580kB/s)(5256KiB/9286msec); 0 zone resets slat (usec): min=27, max=1546, avg=102.33, stdev=107.28 clat (msec): min=25, max=132, avg=56.72, stdev=15.27 lat (msec): min=25, max=132, avg=56.82, stdev=15.28 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 35], 10.00th=[ 39], 20.00th=[ 44], | 30.00th=[ 48], 40.00th=[ 52], 50.00th=[ 56], 60.00th=[ 59], | 70.00th=[ 64], 80.00th=[ 69], 90.00th=[ 79], 95.00th=[ 85], | 99.00th=[ 97], 99.50th=[ 105], 99.90th=[ 127], 99.95th=[ 133], | 99.99th=[ 133] bw ( KiB/s): min= 351, max= 760, per=25.07%, avg=563.33, stdev=110.89, samples=18 iops : min= 87, max= 190, avg=140.67, stdev=27.77, samples=18 lat (msec) : 10=0.08%, 50=39.53%, 100=59.65%, 250=0.74% cpu : usr=0.50%, sys=3.77%, ctx=2526, 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=182381: Mon Jul 28 20:07:06 2025 read: IOPS=136, BW=544KiB/s (557kB/s)(5060KiB/9296msec) slat (usec): min=1094, max=14497, avg=3878.73, stdev=1734.96 clat (msec): min=15, max=114, avg=55.40, stdev=15.30 lat (msec): min=18, max=119, avg=59.28, stdev=16.11 clat percentiles (msec): | 1.00th=[ 30], 5.00th=[ 35], 10.00th=[ 37], 20.00th=[ 42], | 30.00th=[ 46], 40.00th=[ 50], 50.00th=[ 54], 60.00th=[ 58], | 70.00th=[ 62], 80.00th=[ 68], 90.00th=[ 77], 95.00th=[ 86], | 99.00th=[ 100], 99.50th=[ 107], 99.90th=[ 112], 99.95th=[ 114], | 99.99th=[ 114] bw ( KiB/s): min= 416, max= 752, per=25.22%, avg=544.33, stdev=103.20, samples=18 iops : min= 104, max= 188, avg=135.89, stdev=25.84, samples=18 write: IOPS=139, BW=557KiB/s (571kB/s)(5180KiB/9296msec); 0 zone resets slat (usec): min=22, max=2185, avg=101.20, stdev=110.92 clat (msec): min=23, max=117, avg=56.15, stdev=14.88 lat (msec): min=23, max=117, avg=56.25, stdev=14.89 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 35], 10.00th=[ 38], 20.00th=[ 42], | 30.00th=[ 47], 40.00th=[ 52], 50.00th=[ 55], 60.00th=[ 59], | 70.00th=[ 64], 80.00th=[ 69], 90.00th=[ 77], 95.00th=[ 83], | 99.00th=[ 93], 99.50th=[ 100], 99.90th=[ 114], 99.95th=[ 118], | 99.99th=[ 118] bw ( KiB/s): min= 343, max= 800, per=24.77%, avg=556.67, stdev=134.63, samples=18 iops : min= 85, max= 200, avg=139.00, stdev=33.75, samples=18 lat (msec) : 20=0.08%, 50=38.40%, 100=60.86%, 250=0.66% cpu : usr=0.43%, sys=3.80%, ctx=2625, 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=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=2159KiB/s (2211kB/s), 535KiB/s-545KiB/s (548kB/s-558kB/s), io=19.6MiB (20.5MB), run=9261-9296msec WRITE: bw=2247KiB/s (2301kB/s), 557KiB/s-566KiB/s (571kB/s-580kB/s), io=20.4MiB (21.4MB), run=9261-9296msec 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=182386: Mon Jul 28 20:07:10 2025 read: IOPS=7, BW=308MiB/s (323MB/s)(40.0MiB/130msec) slat (nsec): min=11458k, max=11458k, avg=11458460.00, stdev= 0.00 clat (nsec): min=113012k, max=113012k, avg=113012097.00, stdev= 0.00 lat (nsec): min=124496k, max=124496k, avg=124496304.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 113], 5.00th=[ 113], 10.00th=[ 113], 20.00th=[ 113], | 30.00th=[ 113], 40.00th=[ 113], 50.00th=[ 113], 60.00th=[ 113], | 70.00th=[ 113], 80.00th=[ 113], 90.00th=[ 113], 95.00th=[ 113], | 99.00th=[ 113], 99.50th=[ 113], 99.90th=[ 113], 99.95th=[ 113], | 99.99th=[ 113] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=10.08%, ctx=2, 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=308MiB/s (323MB/s), 308MiB/s-308MiB/s (323MB/s-323MB/s), io=40.0MiB (41.9MB), run=130-130msec 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