== sanity test 398c: run fio to test AIO ================= 01:08:50 (1762495730) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.400161 s, 105 MB/s osc.lustre-OST0000-osc-ffff97e8f954a000.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=182795: Fri Nov 7 01:09:18 2025 write: IOPS=121, BW=488KiB/s (499kB/s)(10.0MiB/21003msec); 0 zone resets slat (usec): min=26, max=6736, avg=160.33, stdev=391.01 clat (msec): min=21, max=252, avg=130.74, stdev=26.29 lat (msec): min=21, max=252, avg=130.90, stdev=26.30 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 93], 10.00th=[ 100], 20.00th=[ 109], | 30.00th=[ 116], 40.00th=[ 124], 50.00th=[ 130], 60.00th=[ 136], | 70.00th=[ 142], 80.00th=[ 153], 90.00th=[ 165], 95.00th=[ 174], | 99.00th=[ 199], 99.50th=[ 226], 99.90th=[ 253], 99.95th=[ 253], | 99.99th=[ 253] bw ( KiB/s): min= 367, max= 668, per=25.01%, avg=487.68, stdev=68.27, samples=41 iops : min= 91, max= 167, avg=121.59, stdev=17.13, samples=41 lat (msec) : 50=0.04%, 100=11.09%, 250=88.63%, 500=0.23% cpu : usr=0.22%, sys=1.19%, ctx=2692, 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=182796: Fri Nov 7 01:09:18 2025 write: IOPS=121, BW=488KiB/s (499kB/s)(10.0MiB/21003msec); 0 zone resets slat (usec): min=27, max=7187, avg=166.00, stdev=371.57 clat (msec): min=12, max=279, avg=130.34, stdev=27.33 lat (msec): min=12, max=279, avg=130.51, stdev=27.33 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 89], 10.00th=[ 100], 20.00th=[ 108], | 30.00th=[ 116], 40.00th=[ 124], 50.00th=[ 130], 60.00th=[ 136], | 70.00th=[ 144], 80.00th=[ 153], 90.00th=[ 165], 95.00th=[ 174], | 99.00th=[ 197], 99.50th=[ 228], 99.90th=[ 268], 99.95th=[ 268], | 99.99th=[ 279] bw ( KiB/s): min= 382, max= 608, per=24.97%, avg=486.98, stdev=60.68, samples=41 iops : min= 95, max= 152, avg=121.39, stdev=15.18, samples=41 lat (msec) : 20=0.08%, 50=0.12%, 100=11.45%, 250=88.20%, 500=0.16% cpu : usr=0.25%, sys=1.30%, ctx=3231, 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=182797: Fri Nov 7 01:09:18 2025 write: IOPS=122, BW=490KiB/s (501kB/s)(10.0MiB/20917msec); 0 zone resets slat (usec): min=28, max=16742, avg=137.25, stdev=444.37 clat (msec): min=37, max=237, avg=130.46, stdev=26.97 lat (msec): min=37, max=237, avg=130.60, stdev=26.97 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 90], 10.00th=[ 99], 20.00th=[ 109], | 30.00th=[ 117], 40.00th=[ 124], 50.00th=[ 130], 60.00th=[ 138], | 70.00th=[ 144], 80.00th=[ 153], 90.00th=[ 165], 95.00th=[ 174], | 99.00th=[ 220], 99.50th=[ 226], 99.90th=[ 234], 99.95th=[ 236], | 99.99th=[ 239] bw ( KiB/s): min= 359, max= 753, per=25.04%, avg=488.22, stdev=73.85, samples=41 iops : min= 89, max= 188, avg=121.71, stdev=18.46, samples=41 lat (msec) : 50=0.20%, 100=11.05%, 250=88.75% cpu : usr=0.22%, sys=1.07%, ctx=2711, 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=182798: Fri Nov 7 01:09:18 2025 write: IOPS=122, BW=488KiB/s (500kB/s)(10.0MiB/20979msec); 0 zone resets slat (usec): min=26, max=29149, avg=153.79, stdev=663.55 clat (msec): min=25, max=232, avg=130.29, stdev=27.15 lat (msec): min=25, max=232, avg=130.44, stdev=27.12 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 90], 10.00th=[ 99], 20.00th=[ 108], | 30.00th=[ 116], 40.00th=[ 125], 50.00th=[ 131], 60.00th=[ 138], | 70.00th=[ 144], 80.00th=[ 153], 90.00th=[ 165], 95.00th=[ 174], | 99.00th=[ 194], 99.50th=[ 222], 99.90th=[ 232], 99.95th=[ 232], | 99.99th=[ 234] bw ( KiB/s): min= 359, max= 671, per=24.95%, avg=486.59, stdev=64.76, samples=41 iops : min= 89, max= 167, avg=121.29, stdev=16.18, samples=41 lat (msec) : 50=0.31%, 100=12.07%, 250=87.62% cpu : usr=0.21%, sys=1.18%, ctx=2662, 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=1950KiB/s (1997kB/s), 488KiB/s-490KiB/s (499kB/s-501kB/s), io=40.0MiB (41.9MB), run=20917-21003msec 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=182811: Fri Nov 7 01:09:45 2025 read: IOPS=60, BW=242KiB/s (247kB/s)(5048KiB/20898msec) slat (usec): min=2174, max=34845, avg=8830.83, stdev=4086.00 clat (msec): min=28, max=234, avg=121.99, stdev=31.63 lat (msec): min=32, max=247, avg=130.83, stdev=33.16 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 74], 10.00th=[ 84], 20.00th=[ 94], | 30.00th=[ 105], 40.00th=[ 113], 50.00th=[ 121], 60.00th=[ 128], | 70.00th=[ 138], 80.00th=[ 148], 90.00th=[ 163], 95.00th=[ 180], | 99.00th=[ 209], 99.50th=[ 211], 99.90th=[ 226], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 137, max= 367, per=24.81%, avg=238.22, stdev=54.40, samples=41 iops : min= 34, max= 91, avg=59.10, stdev=13.57, samples=41 write: IOPS=62, BW=248KiB/s (254kB/s)(5192KiB/20898msec); 0 zone resets slat (usec): min=29, max=6497, avg=174.50, stdev=420.23 clat (msec): min=16, max=233, avg=128.29, stdev=30.09 lat (msec): min=16, max=233, avg=128.47, stdev=30.11 clat percentiles (msec): | 1.00th=[ 73], 5.00th=[ 85], 10.00th=[ 92], 20.00th=[ 102], | 30.00th=[ 110], 40.00th=[ 118], 50.00th=[ 128], 60.00th=[ 136], | 70.00th=[ 144], 80.00th=[ 153], 90.00th=[ 169], 95.00th=[ 182], | 99.00th=[ 207], 99.50th=[ 213], 99.90th=[ 232], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 88, max= 384, per=24.65%, avg=246.22, stdev=55.86, samples=41 iops : min= 22, max= 96, avg=61.10, stdev=13.97, samples=41 lat (msec) : 20=0.04%, 50=0.39%, 100=21.37%, 250=78.20% cpu : usr=0.26%, sys=2.17%, ctx=4779, 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=182812: Fri Nov 7 01:09:45 2025 read: IOPS=60, BW=240KiB/s (246kB/s)(4976KiB/20711msec) slat (usec): min=67, max=30392, avg=8767.01, stdev=4037.34 clat (msec): min=13, max=239, avg=121.54, stdev=29.28 lat (msec): min=14, max=252, avg=130.32, stdev=30.62 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 78], 10.00th=[ 88], 20.00th=[ 96], | 30.00th=[ 106], 40.00th=[ 113], 50.00th=[ 120], 60.00th=[ 128], | 70.00th=[ 136], 80.00th=[ 146], 90.00th=[ 161], 95.00th=[ 174], | 99.00th=[ 197], 99.50th=[ 215], 99.90th=[ 236], 99.95th=[ 241], | 99.99th=[ 241] bw ( KiB/s): min= 112, max= 416, per=24.89%, avg=238.90, stdev=60.48, samples=41 iops : min= 28, max= 104, avg=59.27, stdev=15.12, samples=41 write: IOPS=63, BW=254KiB/s (260kB/s)(5264KiB/20711msec); 0 zone resets slat (usec): min=35, max=6841, avg=174.35, stdev=364.85 clat (msec): min=36, max=233, avg=128.02, stdev=29.42 lat (msec): min=36, max=233, avg=128.19, stdev=29.42 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 84], 10.00th=[ 91], 20.00th=[ 103], | 30.00th=[ 111], 40.00th=[ 121], 50.00th=[ 128], 60.00th=[ 134], | 70.00th=[ 142], 80.00th=[ 153], 90.00th=[ 165], 95.00th=[ 180], | 99.00th=[ 205], 99.50th=[ 222], 99.90th=[ 232], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 191, max= 363, per=25.35%, avg=253.29, stdev=44.35, samples=41 iops : min= 47, max= 90, avg=62.85, stdev=11.09, samples=41 lat (msec) : 20=0.04%, 50=0.16%, 100=20.74%, 250=79.06% cpu : usr=0.28%, sys=2.06%, ctx=4857, 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=182813: Fri Nov 7 01:09:45 2025 read: IOPS=59, BW=239KiB/s (244kB/s)(4984KiB/20880msec) slat (usec): min=2216, max=40177, avg=8881.33, stdev=3967.20 clat (msec): min=50, max=249, avg=123.43, stdev=30.56 lat (msec): min=61, max=260, avg=132.32, stdev=31.95 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 78], 10.00th=[ 85], 20.00th=[ 97], | 30.00th=[ 107], 40.00th=[ 113], 50.00th=[ 122], 60.00th=[ 130], | 70.00th=[ 138], 80.00th=[ 148], 90.00th=[ 165], 95.00th=[ 178], | 99.00th=[ 205], 99.50th=[ 215], 99.90th=[ 243], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 136, max= 335, per=24.77%, avg=237.78, stdev=51.20, samples=41 iops : min= 34, max= 83, avg=59.00, stdev=12.76, samples=41 write: IOPS=62, BW=252KiB/s (258kB/s)(5256KiB/20880msec); 0 zone resets slat (usec): min=29, max=8709, avg=156.42, stdev=347.85 clat (msec): min=62, max=224, avg=126.89, stdev=29.32 lat (msec): min=62, max=224, avg=127.05, stdev=29.33 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 83], 10.00th=[ 91], 20.00th=[ 101], | 30.00th=[ 109], 40.00th=[ 118], 50.00th=[ 127], 60.00th=[ 134], | 70.00th=[ 142], 80.00th=[ 153], 90.00th=[ 167], 95.00th=[ 178], | 99.00th=[ 205], 99.50th=[ 213], 99.90th=[ 224], 99.95th=[ 224], | 99.99th=[ 224] bw ( KiB/s): min= 128, max= 403, per=25.01%, avg=249.88, stdev=64.37, samples=41 iops : min= 32, max= 100, avg=62.00, stdev=16.09, samples=41 lat (msec) : 100=21.09%, 250=78.91% cpu : usr=0.31%, sys=2.02%, ctx=4388, 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=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=182814: Fri Nov 7 01:09:45 2025 read: IOPS=60, BW=242KiB/s (248kB/s)(5060KiB/20884msec) slat (usec): min=2260, max=31992, avg=8763.35, stdev=3827.85 clat (msec): min=25, max=244, avg=123.40, stdev=31.23 lat (msec): min=36, max=252, avg=132.17, stdev=32.50 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 78], 10.00th=[ 85], 20.00th=[ 96], | 30.00th=[ 106], 40.00th=[ 113], 50.00th=[ 122], 60.00th=[ 130], | 70.00th=[ 138], 80.00th=[ 148], 90.00th=[ 167], 95.00th=[ 180], | 99.00th=[ 207], 99.50th=[ 215], 99.90th=[ 230], 99.95th=[ 245], | 99.99th=[ 245] bw ( KiB/s): min= 160, max= 375, per=25.07%, avg=240.66, stdev=53.25, samples=41 iops : min= 40, max= 93, avg=59.71, stdev=13.32, samples=41 write: IOPS=62, BW=248KiB/s (254kB/s)(5180KiB/20884msec); 0 zone resets slat (usec): min=29, max=3816, avg=158.07, stdev=289.54 clat (msec): min=59, max=221, avg=127.02, stdev=28.70 lat (msec): min=60, max=221, avg=127.18, stdev=28.71 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 84], 10.00th=[ 91], 20.00th=[ 102], | 30.00th=[ 110], 40.00th=[ 117], 50.00th=[ 127], 60.00th=[ 133], | 70.00th=[ 142], 80.00th=[ 153], 90.00th=[ 167], 95.00th=[ 178], | 99.00th=[ 203], 99.50th=[ 207], 99.90th=[ 220], 99.95th=[ 222], | 99.99th=[ 222] bw ( KiB/s): min= 128, max= 384, per=24.63%, avg=246.02, stdev=59.10, samples=41 iops : min= 32, max= 96, avg=61.05, stdev=14.73, samples=41 lat (msec) : 50=0.04%, 100=21.95%, 250=78.01% cpu : usr=0.30%, sys=2.16%, ctx=4758, 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=960KiB/s (983kB/s), 239KiB/s-242KiB/s (244kB/s-248kB/s), io=19.6MiB (20.5MB), run=20711-20898msec WRITE: bw=1000KiB/s (1024kB/s), 248KiB/s-254KiB/s (254kB/s-260kB/s), io=20.4MiB (21.4MB), run=20711-20898msec 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=182820: Fri Nov 7 01:09:50 2025 read: IOPS=3, BW=138MiB/s (145MB/s)(40.0MiB/290msec) slat (nsec): min=14790k, max=14790k, avg=14790032.00, stdev= 0.00 clat (nsec): min=257139k, max=257139k, avg=257138864.00, stdev= 0.00 lat (nsec): min=271934k, max=271934k, avg=271933710.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 257], 5.00th=[ 257], 10.00th=[ 257], 20.00th=[ 257], | 30.00th=[ 257], 40.00th=[ 257], 50.00th=[ 257], 60.00th=[ 257], | 70.00th=[ 257], 80.00th=[ 257], 90.00th=[ 257], 95.00th=[ 257], | 99.00th=[ 257], 99.50th=[ 257], 99.90th=[ 257], 99.95th=[ 257], | 99.99th=[ 257] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=3.81%, ctx=4, majf=0, minf=7 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=138MiB/s (145MB/s), 138MiB/s-138MiB/s (145MB/s-145MB/s), io=40.0MiB (41.9MB), run=290-290msec 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