== sanity test 398c: run fio to test AIO ================= 12:45:32 (1752511532) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.138727 s, 302 MB/s osc.lustre-OST0000-osc-ffff8cab478b4800.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=158202: Mon Jul 14 12:46:23 2025 write: IOPS=54, BW=219KiB/s (225kB/s)(10.0MiB/46670msec); 0 zone resets slat (usec): min=24, max=3368, avg=138.28, stdev=124.70 clat (msec): min=73, max=521, avg=291.34, stdev=68.74 lat (msec): min=73, max=521, avg=291.48, stdev=68.74 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 190], 10.00th=[ 213], 20.00th=[ 239], | 30.00th=[ 255], 40.00th=[ 271], 50.00th=[ 284], 60.00th=[ 300], | 70.00th=[ 321], 80.00th=[ 351], 90.00th=[ 388], 95.00th=[ 414], | 99.00th=[ 460], 99.50th=[ 477], 99.90th=[ 510], 99.95th=[ 523], | 99.99th=[ 523] bw ( KiB/s): min= 128, max= 412, per=24.82%, avg=217.66, stdev=48.10, samples=92 iops : min= 32, max= 103, avg=54.28, stdev=12.06, samples=92 lat (msec) : 100=0.62%, 250=27.07%, 500=72.03%, 750=0.27% cpu : usr=0.11%, sys=0.71%, ctx=1957, 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=158203: Mon Jul 14 12:46:23 2025 write: IOPS=54, BW=220KiB/s (225kB/s)(10.0MiB/46642msec); 0 zone resets slat (usec): min=27, max=1286, avg=141.46, stdev=105.32 clat (msec): min=16, max=528, avg=291.24, stdev=70.41 lat (msec): min=16, max=528, avg=291.38, stdev=70.41 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 188], 10.00th=[ 213], 20.00th=[ 236], | 30.00th=[ 257], 40.00th=[ 275], 50.00th=[ 288], 60.00th=[ 305], | 70.00th=[ 321], 80.00th=[ 351], 90.00th=[ 388], 95.00th=[ 414], | 99.00th=[ 460], 99.50th=[ 477], 99.90th=[ 523], 99.95th=[ 523], | 99.99th=[ 527] bw ( KiB/s): min= 128, max= 470, per=24.88%, avg=218.21, stdev=49.26, samples=92 iops : min= 32, max= 117, avg=54.41, stdev=12.33, samples=92 lat (msec) : 20=0.04%, 50=0.16%, 100=0.78%, 250=25.98%, 500=72.85% lat (msec) : 750=0.20% cpu : usr=0.13%, sys=0.72%, ctx=2077, 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=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=158204: Mon Jul 14 12:46:23 2025 write: IOPS=54, BW=219KiB/s (225kB/s)(10.0MiB/46670msec); 0 zone resets slat (usec): min=28, max=1496, avg=134.97, stdev=96.65 clat (msec): min=43, max=546, avg=291.35, stdev=69.36 lat (msec): min=43, max=546, avg=291.49, stdev=69.36 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 194], 10.00th=[ 211], 20.00th=[ 239], | 30.00th=[ 255], 40.00th=[ 271], 50.00th=[ 288], 60.00th=[ 300], | 70.00th=[ 321], 80.00th=[ 351], 90.00th=[ 384], 95.00th=[ 418], | 99.00th=[ 460], 99.50th=[ 498], 99.90th=[ 542], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 128, max= 412, per=24.76%, avg=217.14, stdev=46.32, samples=92 iops : min= 32, max= 103, avg=54.15, stdev=11.61, samples=92 lat (msec) : 50=0.04%, 100=0.66%, 250=27.03%, 500=71.84%, 750=0.43% cpu : usr=0.10%, sys=0.71%, ctx=2009, 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=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=158205: Mon Jul 14 12:46:23 2025 write: IOPS=54, BW=219KiB/s (225kB/s)(10.0MiB/46655msec); 0 zone resets slat (usec): min=26, max=1032, avg=138.22, stdev=100.06 clat (msec): min=75, max=547, avg=291.24, stdev=69.25 lat (msec): min=75, max=547, avg=291.38, stdev=69.26 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 190], 10.00th=[ 213], 20.00th=[ 236], | 30.00th=[ 255], 40.00th=[ 271], 50.00th=[ 288], 60.00th=[ 300], | 70.00th=[ 321], 80.00th=[ 351], 90.00th=[ 384], 95.00th=[ 414], | 99.00th=[ 456], 99.50th=[ 493], 99.90th=[ 523], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 136, max= 412, per=24.88%, avg=218.18, stdev=45.97, samples=92 iops : min= 34, max= 103, avg=54.41, stdev=11.55, samples=92 lat (msec) : 100=0.62%, 250=26.56%, 500=72.50%, 750=0.31% cpu : usr=0.12%, sys=0.70%, ctx=2008, 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=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=878KiB/s (899kB/s), 219KiB/s-220KiB/s (225kB/s-225kB/s), io=40.0MiB (41.9MB), run=46642-46670msec 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=158221: Mon Jul 14 12:46:56 2025 read: IOPS=42, BW=171KiB/s (175kB/s)(5048KiB/29500msec) slat (usec): min=49, max=10780, avg=3309.35, stdev=1237.97 clat (msec): min=4, max=286, avg=121.71, stdev=36.11 lat (msec): min=7, max=288, avg=125.02, stdev=36.56 clat percentiles (msec): | 1.00th=[ 21], 5.00th=[ 78], 10.00th=[ 85], 20.00th=[ 96], | 30.00th=[ 103], 40.00th=[ 110], 50.00th=[ 117], 60.00th=[ 126], | 70.00th=[ 133], 80.00th=[ 146], 90.00th=[ 169], 95.00th=[ 190], | 99.00th=[ 234], 99.50th=[ 245], 99.90th=[ 271], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 95, max= 264, per=25.35%, avg=171.64, stdev=45.88, samples=58 iops : min= 23, max= 66, avg=42.79, stdev=11.50, samples=58 write: IOPS=44, BW=176KiB/s (180kB/s)(5192KiB/29500msec); 0 zone resets slat (usec): min=33, max=2014, avg=129.36, stdev=93.95 clat (msec): min=32, max=503, avg=241.63, stdev=70.83 lat (msec): min=32, max=503, avg=241.77, stdev=70.83 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 144], 10.00th=[ 161], 20.00th=[ 186], | 30.00th=[ 203], 40.00th=[ 218], 50.00th=[ 234], 60.00th=[ 253], | 70.00th=[ 271], 80.00th=[ 292], 90.00th=[ 334], 95.00th=[ 376], | 99.00th=[ 443], 99.50th=[ 477], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 79, max= 264, per=24.97%, avg=176.02, stdev=37.78, samples=58 iops : min= 19, max= 66, avg=43.90, stdev= 9.55, samples=58 lat (msec) : 10=0.20%, 20=0.27%, 50=0.51%, 100=12.19%, 250=65.47% lat (msec) : 500=21.25%, 750=0.12% cpu : usr=0.19%, sys=1.57%, ctx=3387, majf=0, minf=15 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=158222: Mon Jul 14 12:46:56 2025 read: IOPS=41, BW=168KiB/s (172kB/s)(4976KiB/29623msec) slat (usec): min=1374, max=11422, avg=3325.81, stdev=1210.48 clat (msec): min=3, max=267, avg=121.47, stdev=33.24 lat (msec): min=7, max=271, avg=124.80, stdev=33.63 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 81], 10.00th=[ 87], 20.00th=[ 96], | 30.00th=[ 103], 40.00th=[ 110], 50.00th=[ 117], 60.00th=[ 126], | 70.00th=[ 136], 80.00th=[ 146], 90.00th=[ 163], 95.00th=[ 184], | 99.00th=[ 213], 99.50th=[ 220], 99.90th=[ 264], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 72, max= 263, per=24.71%, avg=167.26, stdev=44.89, samples=58 iops : min= 18, max= 65, avg=41.71, stdev=11.23, samples=58 write: IOPS=44, BW=178KiB/s (182kB/s)(5264KiB/29623msec); 0 zone resets slat (usec): min=34, max=1543, avg=133.48, stdev=89.72 clat (msec): min=78, max=503, avg=241.61, stdev=70.65 lat (msec): min=79, max=503, avg=241.75, stdev=70.65 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 142], 10.00th=[ 157], 20.00th=[ 184], | 30.00th=[ 203], 40.00th=[ 215], 50.00th=[ 234], 60.00th=[ 251], | 70.00th=[ 275], 80.00th=[ 292], 90.00th=[ 334], 95.00th=[ 376], | 99.00th=[ 451], 99.50th=[ 493], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 63, max= 256, per=25.02%, avg=176.36, stdev=39.74, samples=58 iops : min= 15, max= 64, avg=43.98, stdev=10.06, samples=58 lat (msec) : 4=0.08%, 10=0.08%, 20=0.16%, 50=0.20%, 100=12.97% lat (msec) : 250=65.27%, 500=21.09%, 750=0.16% cpu : usr=0.24%, sys=1.54%, ctx=3243, 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=158223: Mon Jul 14 12:46:56 2025 read: IOPS=42, BW=168KiB/s (172kB/s)(4984KiB/29624msec) slat (usec): min=1265, max=8772, avg=3280.59, stdev=1098.90 clat (msec): min=10, max=247, avg=119.82, stdev=31.87 lat (msec): min=14, max=253, avg=123.10, stdev=32.24 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 81], 10.00th=[ 87], 20.00th=[ 95], | 30.00th=[ 103], 40.00th=[ 108], 50.00th=[ 115], 60.00th=[ 124], | 70.00th=[ 132], 80.00th=[ 144], 90.00th=[ 163], 95.00th=[ 180], | 99.00th=[ 218], 99.50th=[ 226], 99.90th=[ 239], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 56, max= 312, per=24.86%, avg=168.33, stdev=51.85, samples=58 iops : min= 14, max= 78, avg=41.97, stdev=13.03, samples=58 write: IOPS=44, BW=177KiB/s (182kB/s)(5256KiB/29624msec); 0 zone resets slat (usec): min=31, max=4576, avg=141.89, stdev=176.09 clat (msec): min=48, max=505, avg=243.28, stdev=69.79 lat (msec): min=48, max=505, avg=243.43, stdev=69.80 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 146], 10.00th=[ 163], 20.00th=[ 188], | 30.00th=[ 205], 40.00th=[ 220], 50.00th=[ 234], 60.00th=[ 255], | 70.00th=[ 271], 80.00th=[ 292], 90.00th=[ 338], 95.00th=[ 380], | 99.00th=[ 443], 99.50th=[ 481], 99.90th=[ 502], 99.95th=[ 506], | 99.99th=[ 506] bw ( KiB/s): min= 95, max= 264, per=24.88%, avg=175.38, stdev=40.06, samples=58 iops : min= 23, max= 66, avg=43.74, stdev=10.08, samples=58 lat (msec) : 20=0.16%, 50=0.27%, 100=13.28%, 250=64.49%, 500=21.72% lat (msec) : 750=0.08% cpu : usr=0.21%, sys=1.56%, ctx=3296, 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=158224: Mon Jul 14 12:46:56 2025 read: IOPS=42, BW=171KiB/s (175kB/s)(5060KiB/29545msec) slat (usec): min=1307, max=10135, avg=3349.54, stdev=1163.23 clat (msec): min=4, max=259, avg=122.20, stdev=32.52 lat (msec): min=7, max=263, avg=125.55, stdev=32.91 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 81], 10.00th=[ 88], 20.00th=[ 96], | 30.00th=[ 104], 40.00th=[ 111], 50.00th=[ 117], 60.00th=[ 125], | 70.00th=[ 136], 80.00th=[ 146], 90.00th=[ 165], 95.00th=[ 184], | 99.00th=[ 220], 99.50th=[ 228], 99.90th=[ 239], 99.95th=[ 259], | 99.99th=[ 259] bw ( KiB/s): min= 64, max= 288, per=25.34%, avg=171.55, stdev=43.55, samples=58 iops : min= 16, max= 72, avg=42.78, stdev=10.94, samples=58 write: IOPS=43, BW=175KiB/s (180kB/s)(5180KiB/29545msec); 0 zone resets slat (usec): min=29, max=2586, avg=138.00, stdev=126.77 clat (msec): min=51, max=507, avg=241.57, stdev=68.75 lat (msec): min=51, max=507, avg=241.71, stdev=68.75 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 146], 10.00th=[ 163], 20.00th=[ 186], | 30.00th=[ 201], 40.00th=[ 218], 50.00th=[ 232], 60.00th=[ 251], | 70.00th=[ 271], 80.00th=[ 292], 90.00th=[ 330], 95.00th=[ 372], | 99.00th=[ 439], 99.50th=[ 472], 99.90th=[ 502], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 63, max= 240, per=24.76%, avg=174.59, stdev=39.67, samples=58 iops : min= 15, max= 60, avg=43.53, stdev=10.03, samples=58 lat (msec) : 10=0.08%, 20=0.12%, 50=0.12%, 100=12.50%, 250=66.48% lat (msec) : 500=20.51%, 750=0.20% cpu : usr=0.23%, sys=1.58%, ctx=3412, majf=0, minf=15 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=677KiB/s (694kB/s), 168KiB/s-171KiB/s (172kB/s-175kB/s), io=19.6MiB (20.5MB), run=29500-29624msec WRITE: bw=705KiB/s (722kB/s), 175KiB/s-178KiB/s (180kB/s-182kB/s), io=20.4MiB (21.4MB), run=29500-29624msec 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=158232: Mon Jul 14 12:47:00 2025 read: IOPS=10, BW=435MiB/s (456MB/s)(40.0MiB/92msec) slat (nsec): min=9959.8k, max=9959.8k, avg=9959751.00, stdev= 0.00 clat (nsec): min=76922k, max=76922k, avg=76921861.00, stdev= 0.00 lat (nsec): min=86886k, max=86886k, avg=86886208.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[77071], 5.00th=[77071], 10.00th=[77071], 20.00th=[77071], | 30.00th=[77071], 40.00th=[77071], 50.00th=[77071], 60.00th=[77071], | 70.00th=[77071], 80.00th=[77071], 90.00th=[77071], 95.00th=[77071], | 99.00th=[77071], 99.50th=[77071], 99.90th=[77071], 99.95th=[77071], | 99.99th=[77071] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=10.99%, ctx=3, 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=435MiB/s (456MB/s), 435MiB/s-435MiB/s (456MB/s-456MB/s), io=40.0MiB (41.9MB), run=92-92msec 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