== sanity test 398c: run fio to test AIO ================= 11:11:02 (1755097862) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.124717 s, 336 MB/s osc.lustre-OST0000-osc-ffff9b1606470800.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=153646: Wed Aug 13 11:11:41 2025 write: IOPS=72, BW=291KiB/s (298kB/s)(10.0MiB/35186msec); 0 zone resets slat (usec): min=31, max=469, avg=127.17, stdev=59.83 clat (msec): min=63, max=390, avg=219.56, stdev=43.43 lat (msec): min=63, max=390, avg=219.69, stdev=43.44 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 150], 10.00th=[ 171], 20.00th=[ 188], | 30.00th=[ 201], 40.00th=[ 211], 50.00th=[ 220], 60.00th=[ 230], | 70.00th=[ 243], 80.00th=[ 257], 90.00th=[ 275], 95.00th=[ 288], | 99.00th=[ 309], 99.50th=[ 321], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 393] bw ( KiB/s): min= 224, max= 563, per=24.82%, avg=288.96, stdev=48.14, samples=70 iops : min= 56, max= 140, avg=72.23, stdev=11.97, samples=70 lat (msec) : 100=2.07%, 250=73.87%, 500=24.06% cpu : usr=0.12%, sys=0.93%, ctx=1688, 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=153647: Wed Aug 13 11:11:41 2025 write: IOPS=72, BW=291KiB/s (298kB/s)(10.0MiB/35161msec); 0 zone resets slat (usec): min=27, max=717, avg=126.29, stdev=61.76 clat (msec): min=27, max=374, avg=219.50, stdev=44.62 lat (msec): min=27, max=374, avg=219.63, stdev=44.62 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 148], 10.00th=[ 169], 20.00th=[ 186], | 30.00th=[ 201], 40.00th=[ 211], 50.00th=[ 222], 60.00th=[ 232], | 70.00th=[ 241], 80.00th=[ 255], 90.00th=[ 271], 95.00th=[ 288], | 99.00th=[ 313], 99.50th=[ 334], 99.90th=[ 359], 99.95th=[ 368], | 99.99th=[ 376] bw ( KiB/s): min= 184, max= 621, per=24.90%, avg=289.81, stdev=53.31, samples=69 iops : min= 46, max= 155, avg=72.45, stdev=13.30, samples=69 lat (msec) : 50=0.16%, 100=1.88%, 250=74.88%, 500=23.09% cpu : usr=0.12%, sys=0.92%, ctx=1761, 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=153648: Wed Aug 13 11:11:41 2025 write: IOPS=72, BW=291KiB/s (298kB/s)(10.0MiB/35161msec); 0 zone resets slat (usec): min=29, max=494, avg=128.39, stdev=61.90 clat (msec): min=75, max=353, avg=219.39, stdev=43.20 lat (msec): min=76, max=354, avg=219.52, stdev=43.20 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 148], 10.00th=[ 171], 20.00th=[ 188], | 30.00th=[ 201], 40.00th=[ 211], 50.00th=[ 222], 60.00th=[ 230], | 70.00th=[ 243], 80.00th=[ 255], 90.00th=[ 275], 95.00th=[ 288], | 99.00th=[ 309], 99.50th=[ 317], 99.90th=[ 338], 99.95th=[ 347], | 99.99th=[ 355] bw ( KiB/s): min= 216, max= 556, per=24.91%, avg=289.91, stdev=47.32, samples=69 iops : min= 54, max= 139, avg=72.48, stdev=11.83, samples=69 lat (msec) : 100=1.99%, 250=74.10%, 500=23.91% cpu : usr=0.14%, sys=0.91%, ctx=1788, 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=153649: Wed Aug 13 11:11:41 2025 write: IOPS=72, BW=291KiB/s (298kB/s)(10.0MiB/35186msec); 0 zone resets slat (usec): min=28, max=485, avg=124.48, stdev=59.70 clat (msec): min=26, max=389, avg=219.55, stdev=43.24 lat (msec): min=27, max=389, avg=219.67, stdev=43.25 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 150], 10.00th=[ 171], 20.00th=[ 188], | 30.00th=[ 201], 40.00th=[ 211], 50.00th=[ 222], 60.00th=[ 230], | 70.00th=[ 241], 80.00th=[ 255], 90.00th=[ 271], 95.00th=[ 288], | 99.00th=[ 313], 99.50th=[ 330], 99.90th=[ 376], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 200, max= 530, per=24.83%, avg=289.06, stdev=48.45, samples=70 iops : min= 50, max= 132, avg=72.26, stdev=12.08, samples=70 lat (msec) : 50=0.04%, 100=1.91%, 250=75.43%, 500=22.62% cpu : usr=0.13%, sys=0.90%, ctx=1765, 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 Run status group 0 (all jobs): WRITE: bw=1164KiB/s (1192kB/s), 291KiB/s-291KiB/s (298kB/s-298kB/s), io=40.0MiB (41.9MB), run=35161-35186msec 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=153664: Wed Aug 13 11:12:06 2025 read: IOPS=55, BW=223KiB/s (228kB/s)(5048KiB/22668msec) slat (usec): min=36, max=10529, avg=2660.17, stdev=1033.13 clat (msec): min=3, max=219, avg=89.77, stdev=19.48 lat (msec): min=6, max=221, avg=92.44, stdev=19.67 clat percentiles (msec): | 1.00th=[ 21], 5.00th=[ 65], 10.00th=[ 70], 20.00th=[ 75], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 90], 60.00th=[ 94], | 70.00th=[ 99], 80.00th=[ 104], 90.00th=[ 111], 95.00th=[ 120], | 99.00th=[ 140], 99.50th=[ 163], 99.90th=[ 218], 99.95th=[ 220], | 99.99th=[ 220] bw ( KiB/s): min= 128, max= 320, per=25.25%, avg=221.98, stdev=49.46, samples=45 iops : min= 32, max= 80, avg=55.49, stdev=12.36, samples=45 write: IOPS=57, BW=229KiB/s (235kB/s)(5192KiB/22668msec); 0 zone resets slat (usec): min=31, max=461, avg=103.03, stdev=48.34 clat (msec): min=30, max=330, avg=189.22, stdev=41.51 lat (msec): min=30, max=330, avg=189.32, stdev=41.51 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 122], 10.00th=[ 140], 20.00th=[ 157], | 30.00th=[ 169], 40.00th=[ 178], 50.00th=[ 188], 60.00th=[ 199], | 70.00th=[ 209], 80.00th=[ 222], 90.00th=[ 241], 95.00th=[ 262], | 99.00th=[ 300], 99.50th=[ 309], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 168, max= 280, per=24.90%, avg=227.82, stdev=29.04, samples=45 iops : min= 42, max= 70, avg=56.96, stdev= 7.26, samples=45 lat (msec) : 4=0.04%, 10=0.20%, 20=0.16%, 50=0.47%, 100=36.33% lat (msec) : 250=59.14%, 500=3.67% cpu : usr=0.19%, sys=1.67%, ctx=2670, majf=0, minf=1274 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=153665: Wed Aug 13 11:12:06 2025 read: IOPS=54, BW=219KiB/s (224kB/s)(4976KiB/22766msec) slat (usec): min=991, max=10091, avg=2695.21, stdev=995.85 clat (msec): min=3, max=164, avg=89.47, stdev=18.18 lat (msec): min=6, max=167, avg=92.17, stdev=18.37 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 64], 10.00th=[ 70], 20.00th=[ 75], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 90], 60.00th=[ 93], | 70.00th=[ 99], 80.00th=[ 103], 90.00th=[ 112], 95.00th=[ 120], | 99.00th=[ 134], 99.50th=[ 142], 99.90th=[ 165], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 104, max= 320, per=24.79%, avg=217.89, stdev=55.14, samples=45 iops : min= 26, max= 80, avg=54.47, stdev=13.79, samples=45 write: IOPS=57, BW=231KiB/s (237kB/s)(5264KiB/22766msec); 0 zone resets slat (usec): min=36, max=592, avg=106.09, stdev=49.74 clat (msec): min=80, max=312, avg=189.13, stdev=40.65 lat (msec): min=81, max=312, avg=189.24, stdev=40.65 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 124], 10.00th=[ 140], 20.00th=[ 157], | 30.00th=[ 167], 40.00th=[ 178], 50.00th=[ 188], 60.00th=[ 197], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 241], 95.00th=[ 264], | 99.00th=[ 288], 99.50th=[ 300], 99.90th=[ 313], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 152, max= 304, per=25.18%, avg=230.42, stdev=34.31, samples=45 iops : min= 38, max= 76, avg=57.60, stdev= 8.58, samples=45 lat (msec) : 4=0.08%, 10=0.08%, 20=0.23%, 50=0.16%, 100=36.25% lat (msec) : 250=59.45%, 500=3.75% cpu : usr=0.18%, sys=1.67%, ctx=2684, majf=0, minf=1257 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=153666: Wed Aug 13 11:12:06 2025 read: IOPS=54, BW=218KiB/s (224kB/s)(4984KiB/22817msec) slat (usec): min=1061, max=10307, avg=2636.94, stdev=998.24 clat (msec): min=4, max=162, avg=89.84, stdev=17.57 lat (msec): min=6, max=167, avg=92.48, stdev=17.70 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 64], 10.00th=[ 70], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 90], 60.00th=[ 94], | 70.00th=[ 99], 80.00th=[ 104], 90.00th=[ 112], 95.00th=[ 118], | 99.00th=[ 136], 99.50th=[ 142], 99.90th=[ 157], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 136, max= 312, per=24.84%, avg=218.31, stdev=53.57, samples=45 iops : min= 34, max= 78, avg=54.58, stdev=13.39, samples=45 write: IOPS=57, BW=230KiB/s (236kB/s)(5256KiB/22817msec); 0 zone resets slat (usec): min=35, max=495, avg=105.47, stdev=48.80 clat (msec): min=66, max=330, avg=189.46, stdev=42.22 lat (msec): min=66, max=330, avg=189.57, stdev=42.22 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 120], 10.00th=[ 138], 20.00th=[ 157], | 30.00th=[ 169], 40.00th=[ 178], 50.00th=[ 188], 60.00th=[ 199], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 245], 95.00th=[ 262], | 99.00th=[ 292], 99.50th=[ 305], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 152, max= 312, per=24.95%, avg=228.31, stdev=33.96, samples=45 iops : min= 38, max= 78, avg=57.07, stdev= 8.49, samples=45 lat (msec) : 10=0.12%, 20=0.16%, 50=0.16%, 100=36.95%, 250=58.09% lat (msec) : 500=4.53% cpu : usr=0.22%, sys=1.63%, ctx=2680, majf=0, minf=1259 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=153667: Wed Aug 13 11:12:06 2025 read: IOPS=55, BW=222KiB/s (227kB/s)(5060KiB/22806msec) slat (usec): min=976, max=10459, avg=2679.76, stdev=995.81 clat (msec): min=4, max=162, avg=90.22, stdev=17.08 lat (msec): min=6, max=167, avg=92.90, stdev=17.26 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 66], 10.00th=[ 71], 20.00th=[ 78], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 90], 60.00th=[ 94], | 70.00th=[ 99], 80.00th=[ 104], 90.00th=[ 111], 95.00th=[ 117], | 99.00th=[ 133], 99.50th=[ 140], 99.90th=[ 159], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 120, max= 304, per=25.30%, avg=222.40, stdev=44.69, samples=45 iops : min= 30, max= 76, avg=55.60, stdev=11.17, samples=45 write: IOPS=56, BW=227KiB/s (233kB/s)(5180KiB/22806msec); 0 zone resets slat (usec): min=32, max=2924, avg=107.93, stdev=106.94 clat (msec): min=84, max=315, avg=190.23, stdev=40.82 lat (msec): min=84, max=315, avg=190.34, stdev=40.82 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 123], 10.00th=[ 142], 20.00th=[ 157], | 30.00th=[ 169], 40.00th=[ 180], 50.00th=[ 188], 60.00th=[ 199], | 70.00th=[ 209], 80.00th=[ 222], 90.00th=[ 245], 95.00th=[ 264], | 99.00th=[ 292], 99.50th=[ 300], 99.90th=[ 313], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 160, max= 328, per=24.73%, avg=226.29, stdev=36.97, samples=45 iops : min= 40, max= 82, avg=56.56, stdev= 9.25, samples=45 lat (msec) : 10=0.12%, 20=0.08%, 50=0.27%, 100=36.45%, 250=59.02% lat (msec) : 500=4.06% cpu : usr=0.20%, sys=1.65%, ctx=2710, majf=0, minf=1278 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=880KiB/s (901kB/s), 218KiB/s-223KiB/s (224kB/s-228kB/s), io=19.6MiB (20.5MB), run=22668-22817msec WRITE: bw=916KiB/s (938kB/s), 227KiB/s-231KiB/s (233kB/s-237kB/s), io=20.4MiB (21.4MB), run=22668-22817msec 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=153674: Wed Aug 13 11:12:10 2025 read: IOPS=9, BW=367MiB/s (385MB/s)(40.0MiB/109msec) slat (nsec): min=13511k, max=13511k, avg=13511232.00, stdev= 0.00 clat (nsec): min=89799k, max=89799k, avg=89799339.00, stdev= 0.00 lat (nsec): min=103315k, max=103315k, avg=103315296.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[89654], 5.00th=[89654], 10.00th=[89654], 20.00th=[89654], | 30.00th=[89654], 40.00th=[89654], 50.00th=[89654], 60.00th=[89654], | 70.00th=[89654], 80.00th=[89654], 90.00th=[89654], 95.00th=[89654], | 99.00th=[89654], 99.50th=[89654], 99.90th=[89654], 99.95th=[89654], | 99.99th=[89654] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=12.96%, ctx=2, majf=0, minf=10248 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=367MiB/s (385MB/s), 367MiB/s-367MiB/s (385MB/s-385MB/s), io=40.0MiB (41.9MB), run=109-109msec 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