== sanity test 398c: run fio to test AIO ================= 21:25:03 (1763346303) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.467642 s, 89.7 MB/s osc.lustre-OST0000-osc-ffff9b64d1228800.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=184886: Sun Nov 16 21:25:36 2025 write: IOPS=104, BW=418KiB/s (428kB/s)(10.0MiB/24483msec); 0 zone resets slat (usec): min=28, max=10307, avg=191.53, stdev=489.83 clat (msec): min=15, max=268, avg=152.70, stdev=35.25 lat (msec): min=15, max=268, avg=152.89, stdev=35.27 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 103], 10.00th=[ 114], 20.00th=[ 125], | 30.00th=[ 133], 40.00th=[ 142], 50.00th=[ 150], 60.00th=[ 159], | 70.00th=[ 167], 80.00th=[ 180], 90.00th=[ 201], 95.00th=[ 213], | 99.00th=[ 251], 99.50th=[ 255], 99.90th=[ 268], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 271, max= 580, per=25.21%, avg=417.94, stdev=72.60, samples=48 iops : min= 67, max= 145, avg=104.17, stdev=18.20, samples=48 lat (msec) : 20=0.08%, 50=0.55%, 100=3.52%, 250=94.88%, 500=0.98% cpu : usr=0.23%, sys=1.34%, ctx=2868, majf=0, minf=8 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=184887: Sun Nov 16 21:25:36 2025 write: IOPS=103, BW=415KiB/s (425kB/s)(10.0MiB/24698msec); 0 zone resets slat (usec): min=28, max=10416, avg=185.28, stdev=519.95 clat (msec): min=27, max=269, avg=153.30, stdev=34.32 lat (msec): min=27, max=269, avg=153.49, stdev=34.31 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 105], 10.00th=[ 115], 20.00th=[ 128], | 30.00th=[ 133], 40.00th=[ 140], 50.00th=[ 150], 60.00th=[ 159], | 70.00th=[ 167], 80.00th=[ 182], 90.00th=[ 201], 95.00th=[ 215], | 99.00th=[ 247], 99.50th=[ 251], 99.90th=[ 262], 99.95th=[ 262], | 99.99th=[ 271] bw ( KiB/s): min= 262, max= 588, per=24.88%, avg=412.57, stdev=71.36, samples=49 iops : min= 65, max= 147, avg=102.78, stdev=17.86, samples=49 lat (msec) : 50=0.16%, 100=3.28%, 250=96.02%, 500=0.55% cpu : usr=0.26%, sys=1.30%, ctx=2856, majf=0, minf=8 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=184888: Sun Nov 16 21:25:36 2025 write: IOPS=103, BW=415KiB/s (425kB/s)(10.0MiB/24699msec); 0 zone resets slat (usec): min=25, max=9289, avg=176.90, stdev=476.15 clat (msec): min=20, max=268, avg=153.48, stdev=33.46 lat (msec): min=21, max=268, avg=153.66, stdev=33.46 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 107], 10.00th=[ 115], 20.00th=[ 127], | 30.00th=[ 134], 40.00th=[ 142], 50.00th=[ 150], 60.00th=[ 159], | 70.00th=[ 167], 80.00th=[ 182], 90.00th=[ 199], 95.00th=[ 218], | 99.00th=[ 241], 99.50th=[ 251], 99.90th=[ 271], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 253, max= 604, per=24.89%, avg=412.63, stdev=72.10, samples=49 iops : min= 63, max= 151, avg=102.84, stdev=18.10, samples=49 lat (msec) : 50=0.04%, 100=3.01%, 250=96.17%, 500=0.78% cpu : usr=0.23%, sys=1.16%, ctx=2773, 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=184889: Sun Nov 16 21:25:36 2025 write: IOPS=103, BW=415KiB/s (425kB/s)(10.0MiB/24679msec); 0 zone resets slat (usec): min=27, max=11544, avg=197.87, stdev=556.66 clat (msec): min=23, max=268, avg=153.22, stdev=34.21 lat (msec): min=23, max=268, avg=153.42, stdev=34.19 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 109], 10.00th=[ 114], 20.00th=[ 125], | 30.00th=[ 134], 40.00th=[ 142], 50.00th=[ 150], 60.00th=[ 159], | 70.00th=[ 167], 80.00th=[ 182], 90.00th=[ 201], 95.00th=[ 213], | 99.00th=[ 243], 99.50th=[ 259], 99.90th=[ 268], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 285, max= 620, per=24.95%, avg=413.73, stdev=68.66, samples=48 iops : min= 71, max= 155, avg=103.10, stdev=17.19, samples=48 lat (msec) : 50=0.23%, 100=2.93%, 250=96.25%, 500=0.59% cpu : usr=0.16%, sys=1.37%, ctx=2782, 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 Run status group 0 (all jobs): WRITE: bw=1658KiB/s (1698kB/s), 415KiB/s-418KiB/s (425kB/s-428kB/s), io=40.0MiB (41.9MB), run=24483-24699msec 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=184902: Sun Nov 16 21:26:11 2025 read: IOPS=46, BW=184KiB/s (189kB/s)(5048KiB/27365msec) slat (usec): min=2837, max=77458, avg=11690.26, stdev=5112.56 clat (msec): min=68, max=286, avg=160.14, stdev=34.44 lat (msec): min=79, max=315, avg=171.84, stdev=35.22 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 109], 10.00th=[ 120], 20.00th=[ 131], | 30.00th=[ 140], 40.00th=[ 150], 50.00th=[ 157], 60.00th=[ 167], | 70.00th=[ 178], 80.00th=[ 188], 90.00th=[ 207], 95.00th=[ 222], | 99.00th=[ 253], 99.50th=[ 266], 99.90th=[ 279], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 106, max= 272, per=25.14%, avg=183.76, stdev=39.33, samples=54 iops : min= 26, max= 68, avg=45.48, stdev= 9.90, samples=54 write: IOPS=47, BW=190KiB/s (194kB/s)(5192KiB/27365msec); 0 zone resets slat (usec): min=30, max=6661, avg=223.35, stdev=502.89 clat (msec): min=81, max=295, avg=167.69, stdev=31.20 lat (msec): min=81, max=295, avg=167.92, stdev=31.19 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 117], 10.00th=[ 128], 20.00th=[ 142], | 30.00th=[ 153], 40.00th=[ 161], 50.00th=[ 167], 60.00th=[ 174], | 70.00th=[ 182], 80.00th=[ 192], 90.00th=[ 207], 95.00th=[ 222], | 99.00th=[ 255], 99.50th=[ 259], 99.90th=[ 284], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 94, max= 275, per=24.90%, avg=189.50, stdev=35.77, samples=54 iops : min= 23, max= 68, avg=46.91, stdev= 8.97, samples=54 lat (msec) : 100=1.64%, 250=97.07%, 500=1.29% cpu : usr=0.26%, sys=1.96%, ctx=4653, 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=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=184903: Sun Nov 16 21:26:11 2025 read: IOPS=45, BW=183KiB/s (187kB/s)(4976KiB/27257msec) slat (usec): min=29, max=55887, avg=11863.19, stdev=5210.70 clat (msec): min=19, max=288, avg=161.44, stdev=36.56 lat (msec): min=20, max=305, avg=173.31, stdev=37.28 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 108], 10.00th=[ 120], 20.00th=[ 133], | 30.00th=[ 144], 40.00th=[ 150], 50.00th=[ 159], 60.00th=[ 169], | 70.00th=[ 178], 80.00th=[ 192], 90.00th=[ 209], 95.00th=[ 224], | 99.00th=[ 253], 99.50th=[ 264], 99.90th=[ 279], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 119, max= 280, per=24.86%, avg=181.74, stdev=34.73, samples=53 iops : min= 29, max= 70, avg=44.94, stdev= 8.76, samples=53 write: IOPS=48, BW=193KiB/s (198kB/s)(5264KiB/27257msec); 0 zone resets slat (usec): min=29, max=7315, avg=229.61, stdev=518.05 clat (msec): min=79, max=276, avg=166.89, stdev=30.05 lat (msec): min=79, max=276, avg=167.12, stdev=30.04 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 121], 10.00th=[ 132], 20.00th=[ 144], | 30.00th=[ 153], 40.00th=[ 159], 50.00th=[ 165], 60.00th=[ 171], | 70.00th=[ 180], 80.00th=[ 190], 90.00th=[ 207], 95.00th=[ 218], | 99.00th=[ 251], 99.50th=[ 257], 99.90th=[ 275], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 126, max= 255, per=25.28%, avg=192.40, stdev=36.64, samples=53 iops : min= 31, max= 63, avg=47.64, stdev= 9.21, samples=53 lat (msec) : 20=0.04%, 50=0.20%, 100=1.99%, 250=96.68%, 500=1.09% cpu : usr=0.28%, sys=1.97%, ctx=4344, 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=184904: Sun Nov 16 21:26:11 2025 read: IOPS=45, BW=182KiB/s (186kB/s)(4984KiB/27420msec) slat (msec): min=2, max=179, avg=11.82, stdev= 7.02 clat (msec): min=24, max=318, avg=161.87, stdev=36.75 lat (msec): min=32, max=325, avg=173.69, stdev=37.65 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 108], 10.00th=[ 118], 20.00th=[ 131], | 30.00th=[ 142], 40.00th=[ 150], 50.00th=[ 159], 60.00th=[ 167], | 70.00th=[ 178], 80.00th=[ 192], 90.00th=[ 211], 95.00th=[ 228], | 99.00th=[ 257], 99.50th=[ 279], 99.90th=[ 313], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 94, max= 280, per=24.80%, avg=181.26, stdev=42.06, samples=54 iops : min= 23, max= 70, avg=44.85, stdev=10.61, samples=54 write: IOPS=47, BW=192KiB/s (196kB/s)(5256KiB/27420msec); 0 zone resets slat (usec): min=30, max=12700, avg=246.96, stdev=645.82 clat (msec): min=26, max=312, avg=167.37, stdev=33.57 lat (msec): min=26, max=312, avg=167.61, stdev=33.55 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 116], 10.00th=[ 128], 20.00th=[ 142], | 30.00th=[ 150], 40.00th=[ 159], 50.00th=[ 165], 60.00th=[ 174], | 70.00th=[ 182], 80.00th=[ 192], 90.00th=[ 209], 95.00th=[ 224], | 99.00th=[ 268], 99.50th=[ 279], 99.90th=[ 296], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 102, max= 288, per=25.06%, avg=190.74, stdev=43.22, samples=54 iops : min= 25, max= 72, avg=47.22, stdev=10.86, samples=54 lat (msec) : 50=0.12%, 100=1.56%, 250=96.52%, 500=1.80% cpu : usr=0.29%, sys=2.04%, ctx=4616, 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=184905: Sun Nov 16 21:26:11 2025 read: IOPS=46, BW=184KiB/s (189kB/s)(5060KiB/27446msec) slat (msec): min=2, max=119, avg=11.92, stdev= 6.75 clat (msec): min=37, max=341, avg=160.78, stdev=38.54 lat (msec): min=50, max=349, avg=172.71, stdev=39.42 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 106], 10.00th=[ 116], 20.00th=[ 131], | 30.00th=[ 140], 40.00th=[ 148], 50.00th=[ 159], 60.00th=[ 167], | 70.00th=[ 176], 80.00th=[ 190], 90.00th=[ 211], 95.00th=[ 226], | 99.00th=[ 279], 99.50th=[ 317], 99.90th=[ 334], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 117, max= 283, per=25.09%, avg=183.43, stdev=36.83, samples=54 iops : min= 29, max= 70, avg=45.37, stdev= 9.28, samples=54 write: IOPS=47, BW=189KiB/s (193kB/s)(5180KiB/27446msec); 0 zone resets slat (usec): min=31, max=8194, avg=253.50, stdev=616.58 clat (msec): min=58, max=315, avg=168.59, stdev=33.29 lat (msec): min=59, max=316, avg=168.84, stdev=33.28 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 118], 10.00th=[ 128], 20.00th=[ 144], | 30.00th=[ 155], 40.00th=[ 161], 50.00th=[ 167], 60.00th=[ 174], | 70.00th=[ 182], 80.00th=[ 192], 90.00th=[ 209], 95.00th=[ 226], | 99.00th=[ 275], 99.50th=[ 288], 99.90th=[ 309], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 112, max= 273, per=24.62%, avg=187.39, stdev=35.59, samples=54 iops : min= 28, max= 68, avg=46.41, stdev= 8.96, samples=54 lat (msec) : 50=0.08%, 100=2.27%, 250=95.66%, 500=1.99% cpu : usr=0.32%, sys=2.08%, ctx=4828, 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=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=731KiB/s (749kB/s), 182KiB/s-184KiB/s (186kB/s-189kB/s), io=19.6MiB (20.5MB), run=27257-27446msec WRITE: bw=761KiB/s (779kB/s), 189KiB/s-193KiB/s (193kB/s-198kB/s), io=20.4MiB (21.4MB), run=27257-27446msec 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=184915: Sun Nov 16 21:26:19 2025 read: IOPS=2, BW=97.6MiB/s (102MB/s)(40.0MiB/410msec) slat (nsec): min=23870k, max=23870k, avg=23869599.00, stdev= 0.00 clat (nsec): min=362080k, max=362080k, avg=362080001.00, stdev= 0.00 lat (nsec): min=385954k, max=385954k, avg=385954355.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 363], 5.00th=[ 363], 10.00th=[ 363], 20.00th=[ 363], | 30.00th=[ 363], 40.00th=[ 363], 50.00th=[ 363], 60.00th=[ 363], | 70.00th=[ 363], 80.00th=[ 363], 90.00th=[ 363], 95.00th=[ 363], | 99.00th=[ 363], 99.50th=[ 363], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 363] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=3.18%, ctx=9, majf=0, minf=8 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=97.6MiB/s (102MB/s), 97.6MiB/s-97.6MiB/s (102MB/s-102MB/s), io=40.0MiB (41.9MB), run=410-410msec 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