== sanity test 398c: run fio to test AIO ================= 11:32:18 (1761319938) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.325205 s, 129 MB/s osc.lustre-OST0000-osc-ffff892e10d73000.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=124767: Fri Oct 24 11:34:50 2025 write: IOPS=17, BW=71.6KiB/s (73.4kB/s)(10.0MiB/142947msec); 0 zone resets slat (usec): min=23, max=26614, avg=233.31, stdev=825.62 clat (msec): min=222, max=1668, avg=892.62, stdev=206.77 lat (msec): min=223, max=1668, avg=892.86, stdev=206.83 clat percentiles (msec): | 1.00th=[ 372], 5.00th=[ 550], 10.00th=[ 634], 20.00th=[ 735], | 30.00th=[ 785], 40.00th=[ 844], 50.00th=[ 894], 60.00th=[ 944], | 70.00th=[ 995], 80.00th=[ 1062], 90.00th=[ 1150], 95.00th=[ 1234], | 99.00th=[ 1368], 99.50th=[ 1418], 99.90th=[ 1620], 99.95th=[ 1653], | 99.99th=[ 1670] bw ( KiB/s): min= 7, max= 256, per=24.99%, avg=71.46, stdev=29.46, samples=282 iops : min= 1, max= 64, avg=17.44, stdev= 7.39, samples=282 lat (msec) : 250=0.04%, 500=3.87%, 750=18.40%, 1000=48.48%, 2000=29.22% cpu : usr=0.05%, sys=0.31%, ctx=1698, 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=124768: Fri Oct 24 11:34:50 2025 write: IOPS=17, BW=71.6KiB/s (73.3kB/s)(10.0MiB/143038msec); 0 zone resets slat (usec): min=24, max=10103, avg=210.44, stdev=576.18 clat (msec): min=233, max=1695, avg=893.34, stdev=207.91 lat (msec): min=233, max=1695, avg=893.56, stdev=207.91 clat percentiles (msec): | 1.00th=[ 368], 5.00th=[ 542], 10.00th=[ 634], 20.00th=[ 743], | 30.00th=[ 793], 40.00th=[ 844], 50.00th=[ 894], 60.00th=[ 944], | 70.00th=[ 995], 80.00th=[ 1062], 90.00th=[ 1150], 95.00th=[ 1234], | 99.00th=[ 1385], 99.50th=[ 1469], 99.90th=[ 1687], 99.95th=[ 1703], | 99.99th=[ 1703] bw ( KiB/s): min= 7, max= 256, per=24.95%, avg=71.37, stdev=27.84, samples=282 iops : min= 1, max= 64, avg=17.42, stdev= 6.98, samples=282 lat (msec) : 250=0.08%, 500=3.95%, 750=17.70%, 1000=48.83%, 2000=29.45% cpu : usr=0.05%, sys=0.30%, ctx=1595, 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=124769: Fri Oct 24 11:34:50 2025 write: IOPS=17, BW=71.6KiB/s (73.4kB/s)(10.0MiB/142945msec); 0 zone resets slat (usec): min=21, max=17190, avg=232.28, stdev=682.40 clat (msec): min=126, max=1668, avg=892.63, stdev=211.90 lat (msec): min=126, max=1668, avg=892.86, stdev=211.90 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 550], 10.00th=[ 617], 20.00th=[ 735], | 30.00th=[ 785], 40.00th=[ 844], 50.00th=[ 894], 60.00th=[ 944], | 70.00th=[ 995], 80.00th=[ 1062], 90.00th=[ 1167], 95.00th=[ 1250], | 99.00th=[ 1368], 99.50th=[ 1418], 99.90th=[ 1569], 99.95th=[ 1586], | 99.99th=[ 1670] bw ( KiB/s): min= 7, max= 199, per=24.97%, avg=71.42, stdev=30.12, samples=282 iops : min= 1, max= 49, avg=17.43, stdev= 7.57, samples=282 lat (msec) : 250=0.12%, 500=3.52%, 750=18.98%, 1000=47.97%, 2000=29.41% cpu : usr=0.05%, sys=0.32%, ctx=1711, 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=124770: Fri Oct 24 11:34:50 2025 write: IOPS=17, BW=71.7KiB/s (73.5kB/s)(10.0MiB/142757msec); 0 zone resets slat (usec): min=22, max=10153, avg=241.23, stdev=685.24 clat (msec): min=94, max=1629, avg=891.55, stdev=211.60 lat (msec): min=96, max=1629, avg=891.80, stdev=211.59 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 535], 10.00th=[ 642], 20.00th=[ 743], | 30.00th=[ 793], 40.00th=[ 852], 50.00th=[ 894], 60.00th=[ 944], | 70.00th=[ 995], 80.00th=[ 1053], 90.00th=[ 1150], 95.00th=[ 1250], | 99.00th=[ 1385], 99.50th=[ 1502], 99.90th=[ 1620], 99.95th=[ 1620], | 99.99th=[ 1636] bw ( KiB/s): min= 7, max= 184, per=24.85%, avg=71.07, stdev=28.17, samples=283 iops : min= 1, max= 46, avg=17.35, stdev= 7.09, samples=283 lat (msec) : 100=0.04%, 250=0.59%, 500=3.32%, 750=18.01%, 1000=49.61% lat (msec) : 2000=28.44% cpu : usr=0.05%, sys=0.29%, ctx=1633, 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=286KiB/s (293kB/s), 71.6KiB/s-71.7KiB/s (73.3kB/s-73.5kB/s), io=40.0MiB (41.9MB), run=142757-143038msec 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=124803: Fri Oct 24 11:36:29 2025 read: IOPS=13, BW=54.5KiB/s (55.8kB/s)(5048KiB/92647msec) slat (usec): min=1693, max=33483, avg=9537.66, stdev=4605.73 clat (msec): min=12, max=641, avg=373.33, stdev=82.25 lat (msec): min=17, max=653, avg=382.88, stdev=82.88 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 251], 10.00th=[ 275], 20.00th=[ 305], | 30.00th=[ 330], 40.00th=[ 351], 50.00th=[ 372], 60.00th=[ 393], | 70.00th=[ 418], 80.00th=[ 439], 90.00th=[ 477], 95.00th=[ 510], | 99.00th=[ 567], 99.50th=[ 575], 99.90th=[ 617], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 7, max= 127, per=24.88%, avg=53.73, stdev=23.28, samples=184 iops : min= 1, max= 31, avg=12.96, stdev= 5.84, samples=184 write: IOPS=14, BW=56.0KiB/s (57.4kB/s)(5192KiB/92647msec); 0 zone resets slat (usec): min=28, max=12044, avg=268.30, stdev=760.71 clat (msec): min=124, max=1424, avg=768.21, stdev=192.06 lat (msec): min=125, max=1424, avg=768.48, stdev=192.10 clat percentiles (msec): | 1.00th=[ 334], 5.00th=[ 460], 10.00th=[ 535], 20.00th=[ 609], | 30.00th=[ 659], 40.00th=[ 709], 50.00th=[ 760], 60.00th=[ 810], | 70.00th=[ 877], 80.00th=[ 927], 90.00th=[ 1011], 95.00th=[ 1083], | 99.00th=[ 1234], 99.50th=[ 1334], 99.90th=[ 1418], 99.95th=[ 1418], | 99.99th=[ 1418] bw ( KiB/s): min= 15, max= 112, per=24.62%, avg=55.39, stdev=19.79, samples=184 iops : min= 3, max= 28, avg=13.36, stdev= 4.98, samples=184 lat (msec) : 20=0.04%, 50=0.08%, 100=0.20%, 250=2.23%, 500=47.62% lat (msec) : 750=23.44%, 1000=20.59%, 2000=5.82% cpu : usr=0.10%, sys=0.70%, ctx=3112, 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=124804: Fri Oct 24 11:36:29 2025 read: IOPS=13, BW=53.8KiB/s (55.1kB/s)(4976KiB/92496msec) slat (usec): min=2072, max=36972, avg=9818.92, stdev=4982.47 clat (msec): min=4, max=779, avg=371.22, stdev=86.61 lat (msec): min=14, max=794, avg=381.05, stdev=87.32 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 245], 10.00th=[ 275], 20.00th=[ 305], | 30.00th=[ 326], 40.00th=[ 351], 50.00th=[ 372], 60.00th=[ 388], | 70.00th=[ 414], 80.00th=[ 439], 90.00th=[ 472], 95.00th=[ 510], | 99.00th=[ 600], 99.50th=[ 642], 99.90th=[ 768], 99.95th=[ 776], | 99.99th=[ 776] bw ( KiB/s): min= 7, max= 119, per=24.69%, avg=53.32, stdev=22.86, samples=183 iops : min= 1, max= 29, avg=12.85, stdev= 5.73, samples=183 write: IOPS=14, BW=56.9KiB/s (58.3kB/s)(5264KiB/92496msec); 0 zone resets slat (usec): min=24, max=6764, avg=271.59, stdev=665.13 clat (msec): min=275, max=1455, avg=762.86, stdev=191.29 lat (msec): min=275, max=1455, avg=763.13, stdev=191.31 clat percentiles (msec): | 1.00th=[ 338], 5.00th=[ 456], 10.00th=[ 531], 20.00th=[ 600], | 30.00th=[ 667], 40.00th=[ 709], 50.00th=[ 751], 60.00th=[ 810], | 70.00th=[ 860], 80.00th=[ 927], 90.00th=[ 1020], 95.00th=[ 1083], | 99.00th=[ 1284], 99.50th=[ 1318], 99.90th=[ 1435], 99.95th=[ 1452], | 99.99th=[ 1452] bw ( KiB/s): min= 8, max= 119, per=25.07%, avg=56.42, stdev=21.24, samples=183 iops : min= 2, max= 29, avg=13.62, stdev= 5.31, samples=183 lat (msec) : 10=0.04%, 50=0.12%, 100=0.35%, 250=2.15%, 500=46.88% lat (msec) : 750=25.12%, 1000=19.53%, 2000=5.82% cpu : usr=0.10%, sys=0.74%, ctx=3177, majf=0, minf=16 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=124805: Fri Oct 24 11:36:29 2025 read: IOPS=13, BW=53.0KiB/s (55.3kB/s)(4984KiB/92353msec) slat (usec): min=1819, max=36504, avg=9915.90, stdev=4780.05 clat (msec): min=6, max=757, avg=370.29, stdev=82.01 lat (msec): min=11, max=768, avg=380.21, stdev=82.58 clat percentiles (msec): | 1.00th=[ 205], 5.00th=[ 251], 10.00th=[ 275], 20.00th=[ 300], | 30.00th=[ 330], 40.00th=[ 351], 50.00th=[ 368], 60.00th=[ 388], | 70.00th=[ 414], 80.00th=[ 439], 90.00th=[ 468], 95.00th=[ 502], | 99.00th=[ 575], 99.50th=[ 592], 99.90th=[ 625], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 7, max= 126, per=24.82%, avg=53.60, stdev=23.81, samples=183 iops : min= 1, max= 31, avg=12.92, stdev= 5.98, samples=183 write: IOPS=14, BW=56.9KiB/s (58.3kB/s)(5256KiB/92353msec); 0 zone resets slat (usec): min=26, max=9443, avg=258.34, stdev=590.75 clat (msec): min=142, max=1455, avg=762.55, stdev=194.77 lat (msec): min=142, max=1455, avg=762.81, stdev=194.78 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 451], 10.00th=[ 518], 20.00th=[ 592], | 30.00th=[ 659], 40.00th=[ 709], 50.00th=[ 751], 60.00th=[ 802], | 70.00th=[ 869], 80.00th=[ 944], 90.00th=[ 1028], 95.00th=[ 1083], | 99.00th=[ 1217], 99.50th=[ 1301], 99.90th=[ 1452], 99.95th=[ 1452], | 99.99th=[ 1452] bw ( KiB/s): min= 15, max= 103, per=25.06%, avg=56.40, stdev=21.31, samples=182 iops : min= 3, max= 25, avg=13.62, stdev= 5.30, samples=182 lat (msec) : 10=0.04%, 20=0.04%, 50=0.08%, 100=0.27%, 250=1.95% lat (msec) : 500=48.12%, 750=23.79%, 1000=19.69%, 2000=6.02% cpu : usr=0.11%, sys=0.72%, ctx=3134, 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=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=124806: Fri Oct 24 11:36:29 2025 read: IOPS=13, BW=55.0KiB/s (56.3kB/s)(5060KiB/91959msec) slat (usec): min=64, max=35430, avg=9772.16, stdev=4853.67 clat (msec): min=5, max=634, avg=372.58, stdev=85.99 lat (msec): min=5, max=645, avg=382.36, stdev=86.88 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 247], 10.00th=[ 279], 20.00th=[ 309], | 30.00th=[ 330], 40.00th=[ 355], 50.00th=[ 372], 60.00th=[ 393], | 70.00th=[ 414], 80.00th=[ 439], 90.00th=[ 472], 95.00th=[ 514], | 99.00th=[ 584], 99.50th=[ 609], 99.90th=[ 625], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 7, max= 119, per=25.42%, avg=54.91, stdev=21.82, samples=181 iops : min= 1, max= 29, avg=13.24, stdev= 5.48, samples=181 write: IOPS=14, BW=56.3KiB/s (57.7kB/s)(5180KiB/91959msec); 0 zone resets slat (usec): min=25, max=7650, avg=250.00, stdev=539.51 clat (msec): min=67, max=1555, avg=761.62, stdev=199.39 lat (msec): min=67, max=1556, avg=761.87, stdev=199.41 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 451], 10.00th=[ 523], 20.00th=[ 592], | 30.00th=[ 659], 40.00th=[ 709], 50.00th=[ 751], 60.00th=[ 802], | 70.00th=[ 860], 80.00th=[ 936], 90.00th=[ 1020], 95.00th=[ 1083], | 99.00th=[ 1234], 99.50th=[ 1368], 99.90th=[ 1485], 99.95th=[ 1552], | 99.99th=[ 1552] bw ( KiB/s): min= 15, max= 134, per=24.71%, avg=55.60, stdev=20.92, samples=182 iops : min= 3, max= 33, avg=13.41, stdev= 5.19, samples=182 lat (msec) : 10=0.08%, 20=0.20%, 50=0.08%, 100=0.47%, 250=2.42% lat (msec) : 500=47.19%, 750=24.26%, 1000=19.41%, 2000=5.90% cpu : usr=0.11%, sys=0.75%, ctx=3156, majf=0, minf=17 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=217KiB/s (222kB/s), 53.8KiB/s-55.0KiB/s (55.1kB/s-56.3kB/s), io=19.6MiB (20.5MB), run=91959-92647msec WRITE: bw=226KiB/s (231kB/s), 56.0KiB/s-56.9KiB/s (57.4kB/s-58.3kB/s), io=20.4MiB (21.4MB), run=91959-92647msec 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=124823: Fri Oct 24 11:36:38 2025 read: IOPS=2, BW=113MiB/s (118MB/s)(40.0MiB/354msec) slat (nsec): min=34207k, max=34207k, avg=34207280.00, stdev= 0.00 clat (nsec): min=306022k, max=306022k, avg=306022411.00, stdev= 0.00 lat (nsec): min=340234k, max=340234k, avg=340234256.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 305], 5.00th=[ 305], 10.00th=[ 305], 20.00th=[ 305], | 30.00th=[ 305], 40.00th=[ 305], 50.00th=[ 305], 60.00th=[ 305], | 70.00th=[ 305], 80.00th=[ 305], 90.00th=[ 305], 95.00th=[ 305], | 99.00th=[ 305], 99.50th=[ 305], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=4.25%, ctx=4, majf=0, minf=11 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=113MiB/s (118MB/s), 113MiB/s-113MiB/s (118MB/s-118MB/s), io=40.0MiB (41.9MB), run=354-354msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck