== sanity test 398c: run fio to test AIO ================= 13:09:38 (1761239378) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.374112 s, 112 MB/s osc.lustre-OST0000-osc-ffff8c91d89d8800.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=148234: Thu Oct 23 13:12:14 2025 write: IOPS=17, BW=69.5KiB/s (71.2kB/s)(10.0MiB/147353msec); 0 zone resets slat (usec): min=26, max=7073, avg=154.12, stdev=388.74 clat (msec): min=202, max=1702, avg=919.08, stdev=215.68 lat (msec): min=202, max=1702, avg=919.24, stdev=215.69 clat percentiles (msec): | 1.00th=[ 279], 5.00th=[ 550], 10.00th=[ 676], 20.00th=[ 768], | 30.00th=[ 835], 40.00th=[ 877], 50.00th=[ 919], 60.00th=[ 961], | 70.00th=[ 1011], 80.00th=[ 1083], 90.00th=[ 1183], 95.00th=[ 1284], | 99.00th=[ 1418], 99.50th=[ 1519], 99.90th=[ 1653], 99.95th=[ 1670], | 99.99th=[ 1703] bw ( KiB/s): min= 15, max= 255, per=24.90%, avg=68.96, stdev=27.10, samples=292 iops : min= 3, max= 63, avg=16.75, stdev= 6.79, samples=292 lat (msec) : 250=0.82%, 500=2.38%, 750=13.71%, 1000=50.78%, 2000=32.30% cpu : usr=0.05%, sys=0.23%, ctx=1574, 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=148235: Thu Oct 23 13:12:14 2025 write: IOPS=17, BW=69.6KiB/s (71.3kB/s)(10.0MiB/147043msec); 0 zone resets slat (usec): min=26, max=6330, avg=161.73, stdev=402.49 clat (msec): min=173, max=1814, avg=917.38, stdev=213.43 lat (msec): min=173, max=1814, avg=917.54, stdev=213.45 clat percentiles (msec): | 1.00th=[ 288], 5.00th=[ 550], 10.00th=[ 684], 20.00th=[ 768], | 30.00th=[ 835], 40.00th=[ 877], 50.00th=[ 919], 60.00th=[ 961], | 70.00th=[ 1011], 80.00th=[ 1070], 90.00th=[ 1167], 95.00th=[ 1267], | 99.00th=[ 1435], 99.50th=[ 1519], 99.90th=[ 1754], 99.95th=[ 1821], | 99.99th=[ 1821] bw ( KiB/s): min= 7, max= 255, per=24.99%, avg=69.21, stdev=27.50, samples=291 iops : min= 1, max= 63, avg=16.81, stdev= 6.90, samples=291 lat (msec) : 250=0.90%, 500=1.80%, 750=14.69%, 1000=51.25%, 2000=31.37% cpu : usr=0.05%, sys=0.24%, ctx=1526, 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=148236: Thu Oct 23 13:12:14 2025 write: IOPS=17, BW=69.6KiB/s (71.2kB/s)(10.0MiB/147194msec); 0 zone resets slat (usec): min=26, max=10993, avg=175.25, stdev=468.82 clat (msec): min=96, max=1747, avg=919.17, stdev=217.05 lat (msec): min=100, max=1751, avg=919.35, stdev=217.05 clat percentiles (msec): | 1.00th=[ 284], 5.00th=[ 542], 10.00th=[ 676], 20.00th=[ 768], | 30.00th=[ 835], 40.00th=[ 885], 50.00th=[ 919], 60.00th=[ 961], | 70.00th=[ 1011], 80.00th=[ 1083], 90.00th=[ 1183], 95.00th=[ 1250], | 99.00th=[ 1469], 99.50th=[ 1586], 99.90th=[ 1703], 99.95th=[ 1754], | 99.99th=[ 1754] bw ( KiB/s): min= 7, max= 183, per=24.89%, avg=68.95, stdev=25.71, samples=292 iops : min= 1, max= 45, avg=16.75, stdev= 6.43, samples=292 lat (msec) : 100=0.04%, 250=0.47%, 500=3.32%, 750=13.87%, 1000=50.86% lat (msec) : 2000=31.45% cpu : usr=0.05%, sys=0.25%, ctx=1792, 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=148237: Thu Oct 23 13:12:14 2025 write: IOPS=17, BW=69.5KiB/s (71.2kB/s)(10.0MiB/147351msec); 0 zone resets slat (usec): min=26, max=15080, avg=177.66, stdev=589.83 clat (msec): min=228, max=1742, avg=919.18, stdev=214.25 lat (msec): min=228, max=1742, avg=919.36, stdev=214.25 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 542], 10.00th=[ 667], 20.00th=[ 768], | 30.00th=[ 835], 40.00th=[ 877], 50.00th=[ 919], 60.00th=[ 961], | 70.00th=[ 1003], 80.00th=[ 1083], 90.00th=[ 1183], 95.00th=[ 1267], | 99.00th=[ 1435], 99.50th=[ 1552], 99.90th=[ 1653], 99.95th=[ 1670], | 99.99th=[ 1737] bw ( KiB/s): min= 7, max= 175, per=24.90%, avg=68.98, stdev=28.26, samples=292 iops : min= 1, max= 43, avg=16.75, stdev= 7.09, samples=292 lat (msec) : 250=0.66%, 500=2.73%, 750=14.77%, 1000=50.47%, 2000=31.37% cpu : usr=0.04%, sys=0.26%, ctx=1616, 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 Run status group 0 (all jobs): WRITE: bw=278KiB/s (285kB/s), 69.5KiB/s-69.6KiB/s (71.2kB/s-71.3kB/s), io=40.0MiB (41.9MB), run=147043-147353msec 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=148269: Thu Oct 23 13:14:03 2025 read: IOPS=12, BW=50.5KiB/s (51.7kB/s)(5048KiB/99975msec) slat (usec): min=2878, max=43269, avg=12144.32, stdev=5095.47 clat (msec): min=9, max=1392, avg=398.55, stdev=103.19 lat (msec): min=21, max=1406, avg=410.70, stdev=103.48 clat percentiles (msec): | 1.00th=[ 209], 5.00th=[ 279], 10.00th=[ 305], 20.00th=[ 334], | 30.00th=[ 355], 40.00th=[ 372], 50.00th=[ 393], 60.00th=[ 409], | 70.00th=[ 430], 80.00th=[ 456], 90.00th=[ 493], 95.00th=[ 535], | 99.00th=[ 617], 99.50th=[ 1150], 99.90th=[ 1334], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 15, max= 112, per=25.19%, avg=50.38, stdev=20.78, samples=196 iops : min= 3, max= 28, avg=12.08, stdev= 5.24, samples=196 write: IOPS=12, BW=51.9KiB/s (53.2kB/s)(5192KiB/99975msec); 0 zone resets slat (usec): min=27, max=18445, avg=223.12, stdev=712.89 clat (msec): min=318, max=1679, avg=830.21, stdev=206.93 lat (msec): min=318, max=1680, avg=830.43, stdev=206.94 clat percentiles (msec): | 1.00th=[ 439], 5.00th=[ 535], 10.00th=[ 592], 20.00th=[ 659], | 30.00th=[ 701], 40.00th=[ 760], 50.00th=[ 810], 60.00th=[ 860], | 70.00th=[ 919], 80.00th=[ 986], 90.00th=[ 1083], 95.00th=[ 1200], | 99.00th=[ 1418], 99.50th=[ 1536], 99.90th=[ 1653], 99.95th=[ 1687], | 99.99th=[ 1687] bw ( KiB/s): min= 6, max= 104, per=24.85%, avg=51.69, stdev=19.90, samples=197 iops : min= 1, max= 26, avg=12.40, stdev= 5.00, samples=197 lat (msec) : 10=0.04%, 50=0.04%, 100=0.23%, 250=0.82%, 500=45.43% lat (msec) : 750=22.07%, 1000=21.76%, 2000=9.61% cpu : usr=0.10%, sys=0.68%, ctx=4302, 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=148270: Thu Oct 23 13:14:03 2025 read: IOPS=12, BW=49.6KiB/s (50.8kB/s)(4976KiB/100304msec) slat (usec): min=42, max=531587, avg=14136.35, stdev=28823.86 clat (msec): min=5, max=2350, avg=393.63, stdev=123.44 lat (msec): min=16, max=2360, avg=407.77, stdev=134.85 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 266], 10.00th=[ 296], 20.00th=[ 326], | 30.00th=[ 351], 40.00th=[ 372], 50.00th=[ 388], 60.00th=[ 409], | 70.00th=[ 430], 80.00th=[ 456], 90.00th=[ 493], 95.00th=[ 535], | 99.00th=[ 625], 99.50th=[ 642], 99.90th=[ 1888], 99.95th=[ 2366], | 99.99th=[ 2366] bw ( KiB/s): min= 7, max= 119, per=24.71%, avg=49.42, stdev=21.37, samples=196 iops : min= 1, max= 29, avg=11.84, stdev= 5.36, samples=196 write: IOPS=13, BW=52.5KiB/s (53.7kB/s)(5264KiB/100304msec); 0 zone resets slat (usec): min=31, max=17356, avg=216.15, stdev=643.83 clat (msec): min=115, max=2949, avg=833.34, stdev=271.89 lat (msec): min=115, max=2949, avg=833.56, stdev=271.88 clat percentiles (msec): | 1.00th=[ 268], 5.00th=[ 527], 10.00th=[ 600], 20.00th=[ 651], | 30.00th=[ 701], 40.00th=[ 751], 50.00th=[ 793], 60.00th=[ 852], | 70.00th=[ 919], 80.00th=[ 995], 90.00th=[ 1099], 95.00th=[ 1250], | 99.00th=[ 1586], 99.50th=[ 2601], 99.90th=[ 2869], 99.95th=[ 2937], | 99.99th=[ 2937] bw ( KiB/s): min= 7, max= 118, per=24.97%, avg=51.93, stdev=20.57, samples=198 iops : min= 1, max= 29, avg=12.46, stdev= 5.18, samples=198 lat (msec) : 10=0.04%, 20=0.16%, 50=0.16%, 100=0.39%, 250=1.60% lat (msec) : 500=43.95%, 750=22.93%, 1000=21.25%, 2000=9.06%, >=2000=0.47% cpu : usr=0.09%, sys=0.63%, ctx=4229, 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=148271: Thu Oct 23 13:14:03 2025 read: IOPS=12, BW=49.8KiB/s (50.0kB/s)(4984KiB/100115msec) slat (msec): min=3, max=469, avg=12.90, stdev=17.65 clat (msec): min=45, max=1390, avg=397.09, stdev=98.76 lat (msec): min=64, max=1397, avg=410.00, stdev=99.62 clat percentiles (msec): | 1.00th=[ 213], 5.00th=[ 275], 10.00th=[ 300], 20.00th=[ 330], | 30.00th=[ 355], 40.00th=[ 372], 50.00th=[ 393], 60.00th=[ 414], | 70.00th=[ 430], 80.00th=[ 456], 90.00th=[ 502], 95.00th=[ 542], | 99.00th=[ 625], 99.50th=[ 651], 99.90th=[ 1385], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 7, max= 111, per=24.71%, avg=49.42, stdev=21.62, samples=198 iops : min= 1, max= 27, avg=11.83, stdev= 5.41, samples=198 write: IOPS=13, BW=52.5KiB/s (53.8kB/s)(5256KiB/100115msec); 0 zone resets slat (usec): min=27, max=12887, avg=201.33, stdev=529.92 clat (msec): min=224, max=1647, avg=827.86, stdev=213.61 lat (msec): min=224, max=1647, avg=828.06, stdev=213.60 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 531], 10.00th=[ 592], 20.00th=[ 651], | 30.00th=[ 701], 40.00th=[ 743], 50.00th=[ 802], 60.00th=[ 852], | 70.00th=[ 911], 80.00th=[ 995], 90.00th=[ 1116], 95.00th=[ 1250], | 99.00th=[ 1435], 99.50th=[ 1519], 99.90th=[ 1636], 99.95th=[ 1653], | 99.99th=[ 1653] bw ( KiB/s): min= 7, max= 104, per=24.95%, avg=51.89, stdev=19.18, samples=198 iops : min= 1, max= 26, avg=12.45, stdev= 4.86, samples=198 lat (msec) : 50=0.04%, 100=0.23%, 250=1.17%, 500=44.06%, 750=24.18% lat (msec) : 1000=20.08%, 2000=10.23% cpu : usr=0.10%, sys=0.62%, ctx=3917, 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=148272: Thu Oct 23 13:14:03 2025 read: IOPS=12, BW=50.0KiB/s (52.2kB/s)(5060KiB/99306msec) slat (usec): min=3173, max=49919, avg=12374.17, stdev=5435.24 clat (msec): min=8, max=918, avg=393.23, stdev=86.19 lat (msec): min=19, max=930, avg=405.61, stdev=86.75 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 275], 10.00th=[ 300], 20.00th=[ 326], | 30.00th=[ 351], 40.00th=[ 368], 50.00th=[ 388], 60.00th=[ 405], | 70.00th=[ 430], 80.00th=[ 460], 90.00th=[ 493], 95.00th=[ 542], | 99.00th=[ 625], 99.50th=[ 667], 99.90th=[ 902], 99.95th=[ 919], | 99.99th=[ 919] bw ( KiB/s): min= 8, max= 112, per=25.29%, avg=50.58, stdev=20.58, samples=196 iops : min= 2, max= 28, avg=12.12, stdev= 5.18, samples=196 write: IOPS=13, BW=52.2KiB/s (53.4kB/s)(5180KiB/99306msec); 0 zone resets slat (usec): min=28, max=6363, avg=201.95, stdev=452.16 clat (msec): min=342, max=1611, avg=828.39, stdev=207.79 lat (msec): min=342, max=1611, avg=828.60, stdev=207.80 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 527], 10.00th=[ 584], 20.00th=[ 659], | 30.00th=[ 709], 40.00th=[ 760], 50.00th=[ 802], 60.00th=[ 852], | 70.00th=[ 927], 80.00th=[ 986], 90.00th=[ 1083], 95.00th=[ 1217], | 99.00th=[ 1418], 99.50th=[ 1552], 99.90th=[ 1603], 99.95th=[ 1620], | 99.99th=[ 1620] bw ( KiB/s): min= 7, max= 104, per=24.76%, avg=51.50, stdev=20.48, samples=197 iops : min= 1, max= 26, avg=12.36, stdev= 5.13, samples=197 lat (msec) : 10=0.04%, 50=0.04%, 100=0.16%, 250=0.74%, 500=45.66% lat (msec) : 750=22.50%, 1000=21.72%, 2000=9.14% cpu : usr=0.10%, sys=0.64%, ctx=4313, 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=200KiB/s (205kB/s), 49.6KiB/s-50.0KiB/s (50.8kB/s-52.2kB/s), io=19.6MiB (20.5MB), run=99306-100304msec WRITE: bw=208KiB/s (213kB/s), 51.9KiB/s-52.5KiB/s (53.2kB/s-53.8kB/s), io=20.4MiB (21.4MB), run=99306-100304msec 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=148292: Thu Oct 23 13:14:12 2025 read: IOPS=2, BW=98.8MiB/s (104MB/s)(40.0MiB/405msec) slat (nsec): min=31911k, max=31911k, avg=31911011.00, stdev= 0.00 clat (nsec): min=348266k, max=348266k, avg=348266047.00, stdev= 0.00 lat (nsec): min=380182k, max=380182k, avg=380181538.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 351], 10.00th=[ 351], 20.00th=[ 351], | 30.00th=[ 351], 40.00th=[ 351], 50.00th=[ 351], 60.00th=[ 351], | 70.00th=[ 351], 80.00th=[ 351], 90.00th=[ 351], 95.00th=[ 351], | 99.00th=[ 351], 99.50th=[ 351], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.72%, ctx=16, majf=0, minf=7 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=98.8MiB/s (104MB/s), 98.8MiB/s-98.8MiB/s (104MB/s-104MB/s), io=40.0MiB (41.9MB), run=405-405msec 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