== sanity test 398c: run fio to test AIO ================= 13:42:55 (1758735775) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.136299 s, 308 MB/s osc.lustre-OST0000-osc-ffff96321033a000.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=151607: Wed Sep 24 13:43:34 2025 write: IOPS=70, BW=282KiB/s (289kB/s)(10.0MiB/36293msec); 0 zone resets slat (usec): min=24, max=516, avg=131.01, stdev=64.50 clat (msec): min=34, max=387, avg=226.58, stdev=48.82 lat (msec): min=34, max=387, avg=226.72, stdev=48.84 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 144], 10.00th=[ 174], 20.00th=[ 192], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 230], 60.00th=[ 241], | 70.00th=[ 253], 80.00th=[ 266], 90.00th=[ 284], 95.00th=[ 300], | 99.00th=[ 334], 99.50th=[ 347], 99.90th=[ 363], 99.95th=[ 376], | 99.99th=[ 388] bw ( KiB/s): min= 200, max= 621, per=24.89%, avg=280.74, stdev=56.48, samples=72 iops : min= 50, max= 155, avg=70.18, stdev=14.10, samples=72 lat (msec) : 50=0.62%, 100=1.29%, 250=65.86%, 500=32.23% cpu : usr=0.16%, sys=0.84%, ctx=2524, 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=151608: Wed Sep 24 13:43:34 2025 write: IOPS=70, BW=282KiB/s (289kB/s)(10.0MiB/36305msec); 0 zone resets slat (usec): min=24, max=527, avg=136.14, stdev=63.93 clat (msec): min=50, max=382, avg=226.56, stdev=46.68 lat (msec): min=50, max=382, avg=226.70, stdev=46.69 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 148], 10.00th=[ 174], 20.00th=[ 192], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 228], 60.00th=[ 241], | 70.00th=[ 253], 80.00th=[ 266], 90.00th=[ 284], 95.00th=[ 296], | 99.00th=[ 326], 99.50th=[ 338], 99.90th=[ 359], 99.95th=[ 368], | 99.99th=[ 384] bw ( KiB/s): min= 200, max= 530, per=24.89%, avg=280.81, stdev=50.54, samples=72 iops : min= 50, max= 132, avg=70.19, stdev=12.60, samples=72 lat (msec) : 100=1.95%, 250=66.33%, 500=31.72% cpu : usr=0.18%, sys=0.85%, ctx=2724, 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=151609: Wed Sep 24 13:43:34 2025 write: IOPS=70, BW=282KiB/s (289kB/s)(10.0MiB/36305msec); 0 zone resets slat (usec): min=24, max=612, avg=133.28, stdev=65.46 clat (msec): min=50, max=365, avg=226.60, stdev=46.35 lat (msec): min=50, max=365, avg=226.73, stdev=46.35 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 153], 10.00th=[ 174], 20.00th=[ 194], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 228], 60.00th=[ 241], | 70.00th=[ 251], 80.00th=[ 264], 90.00th=[ 284], 95.00th=[ 300], | 99.00th=[ 326], 99.50th=[ 338], 99.90th=[ 355], 99.95th=[ 363], | 99.99th=[ 368] bw ( KiB/s): min= 192, max= 537, per=24.88%, avg=280.68, stdev=50.48, samples=72 iops : min= 48, max= 134, avg=70.17, stdev=12.60, samples=72 lat (msec) : 100=1.80%, 250=66.84%, 500=31.37% cpu : usr=0.14%, sys=0.86%, ctx=2631, 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=151610: Wed Sep 24 13:43:34 2025 write: IOPS=70, BW=282KiB/s (289kB/s)(10.0MiB/36293msec); 0 zone resets slat (usec): min=27, max=491, avg=136.45, stdev=63.17 clat (msec): min=28, max=382, avg=226.51, stdev=47.47 lat (msec): min=28, max=382, avg=226.65, stdev=47.47 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 148], 10.00th=[ 174], 20.00th=[ 192], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 228], 60.00th=[ 241], | 70.00th=[ 253], 80.00th=[ 266], 90.00th=[ 284], 95.00th=[ 296], | 99.00th=[ 326], 99.50th=[ 334], 99.90th=[ 351], 99.95th=[ 363], | 99.99th=[ 384] bw ( KiB/s): min= 184, max= 601, per=24.89%, avg=280.79, stdev=56.76, samples=72 iops : min= 46, max= 150, avg=70.19, stdev=14.17, samples=72 lat (msec) : 50=0.35%, 100=1.68%, 250=65.51%, 500=32.46% cpu : usr=0.15%, sys=0.88%, ctx=2739, 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=1128KiB/s (1155kB/s), 282KiB/s-282KiB/s (289kB/s-289kB/s), io=40.0MiB (41.9MB), run=36293-36305msec 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=151625: Wed Sep 24 13:44:01 2025 read: IOPS=53, BW=213KiB/s (218kB/s)(5048KiB/23696msec) slat (usec): min=35, max=12953, avg=2871.44, stdev=1134.55 clat (msec): min=7, max=269, avg=94.66, stdev=23.12 lat (msec): min=7, max=273, avg=97.54, stdev=23.40 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 66], 10.00th=[ 72], 20.00th=[ 79], | 30.00th=[ 84], 40.00th=[ 90], 50.00th=[ 95], 60.00th=[ 100], | 70.00th=[ 105], 80.00th=[ 110], 90.00th=[ 120], 95.00th=[ 127], | 99.00th=[ 144], 99.50th=[ 155], 99.90th=[ 268], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 128, max= 312, per=25.41%, avg=212.40, stdev=44.83, samples=47 iops : min= 32, max= 78, avg=53.06, stdev=11.20, samples=47 write: IOPS=54, BW=219KiB/s (224kB/s)(5192KiB/23696msec); 0 zone resets slat (usec): min=29, max=1045, avg=122.06, stdev=69.54 clat (msec): min=23, max=426, avg=196.85, stdev=48.30 lat (msec): min=23, max=426, avg=196.98, stdev=48.30 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 128], 10.00th=[ 140], 20.00th=[ 159], | 30.00th=[ 171], 40.00th=[ 184], 50.00th=[ 197], 60.00th=[ 209], | 70.00th=[ 220], 80.00th=[ 232], 90.00th=[ 253], 95.00th=[ 275], | 99.00th=[ 326], 99.50th=[ 355], 99.90th=[ 426], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 120, max= 304, per=24.99%, avg=217.68, stdev=38.16, samples=47 iops : min= 30, max= 76, avg=54.38, stdev= 9.57, samples=47 lat (msec) : 10=0.16%, 20=0.47%, 50=0.86%, 100=28.98%, 250=63.95% lat (msec) : 500=5.59% cpu : usr=0.18%, sys=1.62%, ctx=4844, 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=151626: Wed Sep 24 13:44:01 2025 read: IOPS=51, BW=208KiB/s (212kB/s)(4976KiB/23979msec) slat (usec): min=1006, max=12756, avg=2925.95, stdev=1117.63 clat (msec): min=11, max=150, avg=95.22, stdev=19.12 lat (msec): min=15, max=154, avg=98.15, stdev=19.37 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 67], 10.00th=[ 72], 20.00th=[ 80], | 30.00th=[ 87], 40.00th=[ 90], 50.00th=[ 95], 60.00th=[ 100], | 70.00th=[ 105], 80.00th=[ 112], 90.00th=[ 121], 95.00th=[ 127], | 99.00th=[ 142], 99.50th=[ 146], 99.90th=[ 148], 99.95th=[ 150], | 99.99th=[ 150] bw ( KiB/s): min= 119, max= 336, per=24.74%, avg=206.81, stdev=48.15, samples=47 iops : min= 29, max= 84, avg=51.66, stdev=12.06, samples=47 write: IOPS=54, BW=220KiB/s (225kB/s)(5264KiB/23979msec); 0 zone resets slat (usec): min=32, max=3081, avg=121.40, stdev=116.79 clat (msec): min=67, max=373, avg=198.20, stdev=44.94 lat (msec): min=67, max=373, avg=198.32, stdev=44.94 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 131], 10.00th=[ 142], 20.00th=[ 161], | 30.00th=[ 174], 40.00th=[ 186], 50.00th=[ 199], 60.00th=[ 211], | 70.00th=[ 222], 80.00th=[ 234], 90.00th=[ 255], 95.00th=[ 275], | 99.00th=[ 309], 99.50th=[ 334], 99.90th=[ 368], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 152, max= 320, per=25.12%, avg=218.83, stdev=37.35, samples=47 iops : min= 38, max= 80, avg=54.66, stdev= 9.37, samples=47 lat (msec) : 20=0.20%, 50=0.20%, 100=30.39%, 250=62.93%, 500=6.29% cpu : usr=0.29%, sys=1.47%, ctx=4848, 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=151627: Wed Sep 24 13:44:01 2025 read: IOPS=51, BW=208KiB/s (213kB/s)(4984KiB/23979msec) slat (usec): min=1154, max=13758, avg=2919.31, stdev=1101.87 clat (msec): min=2, max=155, avg=95.60, stdev=19.14 lat (msec): min=5, max=159, avg=98.52, stdev=19.35 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 68], 10.00th=[ 72], 20.00th=[ 81], | 30.00th=[ 86], 40.00th=[ 91], 50.00th=[ 95], 60.00th=[ 100], | 70.00th=[ 105], 80.00th=[ 112], 90.00th=[ 121], 95.00th=[ 129], | 99.00th=[ 140], 99.50th=[ 144], 99.90th=[ 150], 99.95th=[ 157], | 99.99th=[ 157] bw ( KiB/s): min= 128, max= 344, per=24.96%, avg=208.66, stdev=50.76, samples=47 iops : min= 32, max= 86, avg=52.13, stdev=12.71, samples=47 write: IOPS=54, BW=219KiB/s (224kB/s)(5256KiB/23979msec); 0 zone resets slat (usec): min=38, max=1016, avg=123.61, stdev=70.22 clat (msec): min=78, max=374, avg=197.92, stdev=44.51 lat (msec): min=78, max=374, avg=198.04, stdev=44.50 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 128], 10.00th=[ 142], 20.00th=[ 161], | 30.00th=[ 174], 40.00th=[ 184], 50.00th=[ 199], 60.00th=[ 211], | 70.00th=[ 222], 80.00th=[ 234], 90.00th=[ 253], 95.00th=[ 271], | 99.00th=[ 309], 99.50th=[ 334], 99.90th=[ 363], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 159, max= 328, per=24.98%, avg=217.57, stdev=35.85, samples=47 iops : min= 39, max= 82, avg=54.36, stdev= 9.00, samples=47 lat (msec) : 4=0.04%, 20=0.23%, 50=0.08%, 100=29.80%, 250=64.02% lat (msec) : 500=5.82% cpu : usr=0.18%, sys=1.61%, ctx=4871, 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=151628: Wed Sep 24 13:44:01 2025 read: IOPS=52, BW=212KiB/s (217kB/s)(5060KiB/23914msec) slat (usec): min=1066, max=9254, avg=2877.75, stdev=1060.47 clat (msec): min=4, max=194, avg=95.31, stdev=20.26 lat (msec): min=6, max=200, avg=98.19, stdev=20.49 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 67], 10.00th=[ 72], 20.00th=[ 80], | 30.00th=[ 86], 40.00th=[ 90], 50.00th=[ 94], 60.00th=[ 100], | 70.00th=[ 104], 80.00th=[ 112], 90.00th=[ 122], 95.00th=[ 131], | 99.00th=[ 144], 99.50th=[ 150], 99.90th=[ 190], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 120, max= 336, per=25.46%, avg=212.81, stdev=49.12, samples=47 iops : min= 30, max= 84, avg=53.17, stdev=12.30, samples=47 write: IOPS=54, BW=217KiB/s (222kB/s)(5180KiB/23914msec); 0 zone resets slat (usec): min=38, max=645, avg=124.41, stdev=69.48 clat (msec): min=57, max=391, avg=198.95, stdev=46.39 lat (msec): min=57, max=391, avg=199.07, stdev=46.39 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 128], 10.00th=[ 142], 20.00th=[ 161], | 30.00th=[ 174], 40.00th=[ 184], 50.00th=[ 199], 60.00th=[ 211], | 70.00th=[ 224], 80.00th=[ 234], 90.00th=[ 257], 95.00th=[ 275], | 99.00th=[ 334], 99.50th=[ 363], 99.90th=[ 380], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 144, max= 280, per=24.86%, avg=216.49, stdev=34.37, samples=47 iops : min= 36, max= 70, avg=54.09, stdev= 8.62, samples=47 lat (msec) : 10=0.12%, 20=0.12%, 50=0.35%, 100=30.94%, 250=62.27% lat (msec) : 500=6.21% cpu : usr=0.19%, sys=1.60%, ctx=4978, 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=837KiB/s (857kB/s), 208KiB/s-213KiB/s (212kB/s-218kB/s), io=19.6MiB (20.5MB), run=23696-23979msec WRITE: bw=871KiB/s (892kB/s), 217KiB/s-220KiB/s (222kB/s-225kB/s), io=20.4MiB (21.4MB), run=23696-23979msec 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=151635: Wed Sep 24 13:44:05 2025 read: IOPS=8, BW=357MiB/s (374MB/s)(40.0MiB/112msec) slat (nsec): min=12046k, max=12046k, avg=12045916.00, stdev= 0.00 clat (nsec): min=93155k, max=93155k, avg=93155483.00, stdev= 0.00 lat (nsec): min=105206k, max=105206k, avg=105206383.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[92799], 5.00th=[92799], 10.00th=[92799], 20.00th=[92799], | 30.00th=[92799], 40.00th=[92799], 50.00th=[92799], 60.00th=[92799], | 70.00th=[92799], 80.00th=[92799], 90.00th=[92799], 95.00th=[92799], | 99.00th=[92799], 99.50th=[92799], 99.90th=[92799], 99.95th=[92799], | 99.99th=[92799] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=9.91%, ctx=43, 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=357MiB/s (374MB/s), 357MiB/s-357MiB/s (374MB/s-374MB/s), io=40.0MiB (41.9MB), run=112-112msec 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