== sanity test 398c: run fio to test AIO ================= 15:08:59 (1758740939) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.226709 s, 185 MB/s osc.lustre-OST0000-osc-ffff98ca481a9000.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=148450: Wed Sep 24 15:10:22 2025 write: IOPS=32, BW=131KiB/s (134kB/s)(10.0MiB/78462msec); 0 zone resets slat (usec): min=24, max=3969, avg=136.19, stdev=200.33 clat (msec): min=175, max=1148, avg=489.91, stdev=123.34 lat (msec): min=175, max=1148, avg=490.05, stdev=123.35 clat percentiles (msec): | 1.00th=[ 222], 5.00th=[ 292], 10.00th=[ 334], 20.00th=[ 384], | 30.00th=[ 422], 40.00th=[ 460], 50.00th=[ 489], 60.00th=[ 518], | 70.00th=[ 550], 80.00th=[ 592], 90.00th=[ 634], 95.00th=[ 693], | 99.00th=[ 852], 99.50th=[ 902], 99.90th=[ 961], 99.95th=[ 1083], | 99.99th=[ 1150] bw ( KiB/s): min= 40, max= 254, per=25.03%, avg=130.41, stdev=35.21, samples=155 iops : min= 10, max= 63, avg=32.17, stdev= 8.78, samples=155 lat (msec) : 250=1.99%, 500=51.72%, 750=43.59%, 1000=2.62%, 2000=0.08% cpu : usr=0.08%, sys=0.38%, ctx=2161, 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=148451: Wed Sep 24 15:10:22 2025 write: IOPS=32, BW=130KiB/s (134kB/s)(10.0MiB/78536msec); 0 zone resets slat (usec): min=28, max=6398, avg=154.48, stdev=284.12 clat (msec): min=30, max=1158, avg=490.09, stdev=125.72 lat (msec): min=30, max=1159, avg=490.25, stdev=125.73 clat percentiles (msec): | 1.00th=[ 213], 5.00th=[ 309], 10.00th=[ 342], 20.00th=[ 384], | 30.00th=[ 422], 40.00th=[ 451], 50.00th=[ 485], 60.00th=[ 514], | 70.00th=[ 550], 80.00th=[ 592], 90.00th=[ 642], 95.00th=[ 693], | 99.00th=[ 869], 99.50th=[ 919], 99.90th=[ 1036], 99.95th=[ 1036], | 99.99th=[ 1167] bw ( KiB/s): min= 8, max= 255, per=24.87%, avg=129.56, stdev=36.62, samples=156 iops : min= 2, max= 63, avg=31.96, stdev= 9.13, samples=156 lat (msec) : 50=0.04%, 250=1.95%, 500=52.73%, 750=42.66%, 1000=2.50% lat (msec) : 2000=0.12% cpu : usr=0.08%, sys=0.41%, ctx=2813, 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=148452: Wed Sep 24 15:10:22 2025 write: IOPS=32, BW=130KiB/s (134kB/s)(10.0MiB/78533msec); 0 zone resets slat (usec): min=26, max=3797, avg=138.24, stdev=209.58 clat (msec): min=161, max=949, avg=489.99, stdev=120.17 lat (msec): min=161, max=949, avg=490.13, stdev=120.17 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 305], 10.00th=[ 342], 20.00th=[ 388], | 30.00th=[ 426], 40.00th=[ 456], 50.00th=[ 485], 60.00th=[ 518], | 70.00th=[ 550], 80.00th=[ 584], 90.00th=[ 634], 95.00th=[ 701], | 99.00th=[ 827], 99.50th=[ 860], 99.90th=[ 894], 99.95th=[ 936], | 99.99th=[ 953] bw ( KiB/s): min= 32, max= 263, per=24.88%, avg=129.60, stdev=36.36, samples=156 iops : min= 8, max= 65, avg=31.97, stdev= 9.08, samples=156 lat (msec) : 250=1.33%, 500=53.91%, 750=42.07%, 1000=2.70% cpu : usr=0.05%, sys=0.42%, ctx=2293, 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=148453: Wed Sep 24 15:10:22 2025 write: IOPS=32, BW=130KiB/s (134kB/s)(10.0MiB/78536msec); 0 zone resets slat (usec): min=28, max=4154, avg=139.18, stdev=210.80 clat (msec): min=148, max=986, avg=490.04, stdev=122.10 lat (msec): min=148, max=986, avg=490.18, stdev=122.11 clat percentiles (msec): | 1.00th=[ 213], 5.00th=[ 305], 10.00th=[ 347], 20.00th=[ 388], | 30.00th=[ 418], 40.00th=[ 451], 50.00th=[ 481], 60.00th=[ 514], | 70.00th=[ 550], 80.00th=[ 584], 90.00th=[ 642], 95.00th=[ 693], | 99.00th=[ 852], 99.50th=[ 885], 99.90th=[ 986], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 24, max= 255, per=24.87%, avg=129.60, stdev=34.98, samples=156 iops : min= 6, max= 63, avg=31.97, stdev= 8.71, samples=156 lat (msec) : 250=1.33%, 500=55.20%, 750=40.66%, 1000=2.81% cpu : usr=0.06%, sys=0.39%, ctx=2535, 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=522KiB/s (534kB/s), 130KiB/s-131KiB/s (134kB/s-134kB/s), io=40.0MiB (41.9MB), run=78462-78536msec 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=148474: Wed Sep 24 15:11:12 2025 read: IOPS=27, BW=110KiB/s (112kB/s)(5048KiB/45996msec) slat (usec): min=1775, max=14052, avg=5141.14, stdev=2019.35 clat (msec): min=5, max=360, avg=181.15, stdev=43.83 lat (msec): min=8, max=363, avg=186.30, stdev=44.44 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 116], 10.00th=[ 132], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 169], 50.00th=[ 180], 60.00th=[ 190], | 70.00th=[ 201], 80.00th=[ 215], 90.00th=[ 232], 95.00th=[ 255], | 99.00th=[ 292], 99.50th=[ 342], 99.90th=[ 351], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 31, max= 231, per=25.09%, avg=109.14, stdev=39.63, samples=91 iops : min= 7, max= 57, avg=26.88, stdev= 9.98, samples=91 write: IOPS=28, BW=113KiB/s (116kB/s)(5192KiB/45996msec); 0 zone resets slat (usec): min=30, max=6432, avg=177.28, stdev=281.02 clat (msec): min=142, max=763, avg=384.70, stdev=98.93 lat (msec): min=143, max=763, avg=384.88, stdev=98.93 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 228], 10.00th=[ 253], 20.00th=[ 305], | 30.00th=[ 334], 40.00th=[ 355], 50.00th=[ 380], 60.00th=[ 405], | 70.00th=[ 435], 80.00th=[ 464], 90.00th=[ 510], 95.00th=[ 550], | 99.00th=[ 651], 99.50th=[ 667], 99.90th=[ 751], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 55, max= 208, per=24.67%, avg=111.76, stdev=28.22, samples=91 iops : min= 13, max= 52, avg=27.54, stdev= 7.11, samples=91 lat (msec) : 10=0.04%, 50=0.16%, 100=1.17%, 250=49.96%, 500=42.81% lat (msec) : 750=5.82%, 1000=0.04% cpu : usr=0.12%, sys=1.14%, ctx=5071, majf=0, minf=14 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=148475: Wed Sep 24 15:11:12 2025 read: IOPS=27, BW=108KiB/s (111kB/s)(4976KiB/46031msec) slat (usec): min=1788, max=26092, avg=5187.35, stdev=2147.90 clat (msec): min=11, max=340, avg=179.48, stdev=42.62 lat (msec): min=14, max=350, avg=184.67, stdev=43.22 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 114], 10.00th=[ 128], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 169], 50.00th=[ 180], 60.00th=[ 188], | 70.00th=[ 199], 80.00th=[ 213], 90.00th=[ 236], 95.00th=[ 251], | 99.00th=[ 292], 99.50th=[ 296], 99.90th=[ 338], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 23, max= 223, per=24.58%, avg=106.91, stdev=40.57, samples=91 iops : min= 5, max= 55, avg=26.32, stdev=10.21, samples=91 write: IOPS=28, BW=114KiB/s (117kB/s)(5264KiB/46031msec); 0 zone resets slat (usec): min=34, max=4888, avg=168.34, stdev=242.12 clat (msec): min=58, max=706, avg=384.06, stdev=104.28 lat (msec): min=58, max=706, avg=384.24, stdev=104.28 clat percentiles (msec): | 1.00th=[ 167], 5.00th=[ 211], 10.00th=[ 241], 20.00th=[ 296], | 30.00th=[ 334], 40.00th=[ 359], 50.00th=[ 384], 60.00th=[ 409], | 70.00th=[ 439], 80.00th=[ 472], 90.00th=[ 510], 95.00th=[ 558], | 99.00th=[ 642], 99.50th=[ 676], 99.90th=[ 701], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 40, max= 224, per=24.90%, avg=112.79, stdev=32.96, samples=91 iops : min= 10, max= 56, avg=27.79, stdev= 8.28, samples=91 lat (msec) : 20=0.04%, 50=0.20%, 100=0.98%, 250=50.55%, 500=42.30% lat (msec) : 750=5.94% cpu : usr=0.16%, sys=1.14%, ctx=5278, 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=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=148476: Wed Sep 24 15:11:12 2025 read: IOPS=27, BW=108KiB/s (111kB/s)(4984KiB/45996msec) slat (usec): min=1756, max=15535, avg=5210.12, stdev=2053.39 clat (msec): min=7, max=337, avg=180.85, stdev=42.45 lat (msec): min=14, max=342, avg=186.07, stdev=43.04 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 117], 10.00th=[ 130], 20.00th=[ 146], | 30.00th=[ 157], 40.00th=[ 171], 50.00th=[ 182], 60.00th=[ 192], | 70.00th=[ 201], 80.00th=[ 213], 90.00th=[ 232], 95.00th=[ 253], | 99.00th=[ 288], 99.50th=[ 300], 99.90th=[ 334], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 39, max= 208, per=24.90%, avg=108.30, stdev=38.01, samples=91 iops : min= 9, max= 52, avg=26.67, stdev= 9.55, samples=91 write: IOPS=28, BW=114KiB/s (117kB/s)(5256KiB/45996msec); 0 zone resets slat (usec): min=30, max=2518, avg=167.51, stdev=189.97 clat (msec): min=137, max=728, avg=382.54, stdev=102.76 lat (msec): min=137, max=729, avg=382.71, stdev=102.77 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 218], 10.00th=[ 249], 20.00th=[ 296], | 30.00th=[ 326], 40.00th=[ 355], 50.00th=[ 380], 60.00th=[ 405], | 70.00th=[ 439], 80.00th=[ 468], 90.00th=[ 510], 95.00th=[ 558], | 99.00th=[ 659], 99.50th=[ 693], 99.90th=[ 726], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 48, max= 199, per=24.91%, avg=112.82, stdev=31.88, samples=91 iops : min= 12, max= 49, avg=27.80, stdev= 8.02, samples=91 lat (msec) : 10=0.04%, 20=0.04%, 50=0.16%, 100=0.90%, 250=50.16% lat (msec) : 500=42.70%, 750=6.02% cpu : usr=0.16%, sys=1.07%, ctx=5143, 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=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=148477: Wed Sep 24 15:11:12 2025 read: IOPS=27, BW=110KiB/s (113kB/s)(5060KiB/45843msec) slat (usec): min=58, max=20794, avg=5248.51, stdev=2100.26 clat (msec): min=7, max=431, avg=182.10, stdev=47.99 lat (msec): min=10, max=435, avg=187.36, stdev=48.61 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 112], 10.00th=[ 130], 20.00th=[ 148], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 180], 60.00th=[ 190], | 70.00th=[ 201], 80.00th=[ 215], 90.00th=[ 241], 95.00th=[ 264], | 99.00th=[ 317], 99.50th=[ 338], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 31, max= 199, per=25.26%, avg=109.88, stdev=35.81, samples=91 iops : min= 7, max= 49, avg=27.07, stdev= 9.00, samples=91 write: IOPS=28, BW=113KiB/s (116kB/s)(5180KiB/45843msec); 0 zone resets slat (usec): min=29, max=3996, avg=177.50, stdev=231.33 clat (msec): min=54, max=746, avg=382.79, stdev=105.79 lat (msec): min=54, max=746, avg=382.97, stdev=105.80 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 220], 10.00th=[ 247], 20.00th=[ 300], | 30.00th=[ 330], 40.00th=[ 355], 50.00th=[ 380], 60.00th=[ 405], | 70.00th=[ 439], 80.00th=[ 468], 90.00th=[ 510], 95.00th=[ 550], | 99.00th=[ 667], 99.50th=[ 701], 99.90th=[ 726], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 47, max= 208, per=24.71%, avg=111.93, stdev=29.69, samples=91 iops : min= 11, max= 52, avg=27.58, stdev= 7.49, samples=91 lat (msec) : 10=0.08%, 20=0.23%, 50=0.20%, 100=1.33%, 250=49.14% lat (msec) : 500=43.01%, 750=6.02% cpu : usr=0.17%, sys=1.12%, ctx=5203, 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=436KiB/s (446kB/s), 108KiB/s-110KiB/s (111kB/s-113kB/s), io=19.6MiB (20.5MB), run=45843-46031msec WRITE: bw=454KiB/s (465kB/s), 113KiB/s-114KiB/s (116kB/s-117kB/s), io=20.4MiB (21.4MB), run=45843-46031msec 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=148488: Wed Sep 24 15:11:16 2025 read: IOPS=5, BW=229MiB/s (240MB/s)(40.0MiB/175msec) slat (nsec): min=13227k, max=13227k, avg=13226933.00, stdev= 0.00 clat (nsec): min=150956k, max=150956k, avg=150955868.00, stdev= 0.00 lat (nsec): min=164187k, max=164187k, avg=164187313.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 150], 10.00th=[ 150], 20.00th=[ 150], | 30.00th=[ 150], 40.00th=[ 150], 50.00th=[ 150], 60.00th=[ 150], | 70.00th=[ 150], 80.00th=[ 150], 90.00th=[ 150], 95.00th=[ 150], | 99.00th=[ 150], 99.50th=[ 150], 99.90th=[ 150], 99.95th=[ 150], | 99.99th=[ 150] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=6.32%, ctx=40, 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=229MiB/s (240MB/s), 229MiB/s-229MiB/s (240MB/s-240MB/s), io=40.0MiB (41.9MB), run=175-175msec 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