== sanity test 398c: run fio to test AIO ================= 20:33:20 (1763343200) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.357727 s, 117 MB/s osc.lustre-OST0000-osc-ffff9093e7dfc000.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=185397: Sun Nov 16 20:33:53 2025 write: IOPS=104, BW=419KiB/s (429kB/s)(10.0MiB/24433msec); 0 zone resets slat (usec): min=27, max=6065, avg=160.24, stdev=422.37 clat (msec): min=18, max=405, avg=152.01, stdev=37.29 lat (msec): min=21, max=405, avg=152.18, stdev=37.28 clat percentiles (msec): | 1.00th=[ 78], 5.00th=[ 100], 10.00th=[ 111], 20.00th=[ 124], | 30.00th=[ 131], 40.00th=[ 140], 50.00th=[ 150], 60.00th=[ 159], | 70.00th=[ 167], 80.00th=[ 182], 90.00th=[ 197], 95.00th=[ 213], | 99.00th=[ 245], 99.50th=[ 268], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 279, max= 640, per=25.10%, avg=419.50, stdev=76.64, samples=48 iops : min= 69, max= 160, avg=104.50, stdev=19.25, samples=48 lat (msec) : 20=0.04%, 50=0.74%, 100=4.80%, 250=93.55%, 500=0.86% cpu : usr=0.20%, sys=1.11%, ctx=2205, 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=185398: Sun Nov 16 20:33:53 2025 write: IOPS=104, BW=418KiB/s (428kB/s)(10.0MiB/24502msec); 0 zone resets slat (usec): min=27, max=12668, avg=181.14, stdev=621.15 clat (msec): min=25, max=262, avg=152.23, stdev=35.54 lat (msec): min=25, max=262, avg=152.41, stdev=35.54 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 99], 10.00th=[ 110], 20.00th=[ 125], | 30.00th=[ 131], 40.00th=[ 142], 50.00th=[ 150], 60.00th=[ 159], | 70.00th=[ 167], 80.00th=[ 180], 90.00th=[ 199], 95.00th=[ 218], | 99.00th=[ 247], 99.50th=[ 257], 99.90th=[ 264], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 287, max= 640, per=24.89%, avg=415.88, stdev=75.82, samples=48 iops : min= 71, max= 160, avg=103.58, stdev=19.04, samples=48 lat (msec) : 50=0.23%, 100=5.47%, 250=93.36%, 500=0.94% cpu : usr=0.20%, sys=1.06%, ctx=2434, 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=185399: Sun Nov 16 20:33:53 2025 write: IOPS=104, BW=420KiB/s (430kB/s)(10.0MiB/24382msec); 0 zone resets slat (usec): min=27, max=9320, avg=139.79, stdev=428.39 clat (msec): min=64, max=408, avg=152.03, stdev=36.60 lat (msec): min=65, max=408, avg=152.18, stdev=36.61 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 100], 10.00th=[ 110], 20.00th=[ 125], | 30.00th=[ 132], 40.00th=[ 140], 50.00th=[ 150], 60.00th=[ 159], | 70.00th=[ 165], 80.00th=[ 180], 90.00th=[ 201], 95.00th=[ 220], | 99.00th=[ 249], 99.50th=[ 257], 99.90th=[ 372], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 263, max= 768, per=25.11%, avg=419.56, stdev=84.30, samples=48 iops : min= 65, max= 192, avg=104.48, stdev=21.21, samples=48 lat (msec) : 100=6.48%, 250=92.58%, 500=0.94% cpu : usr=0.14%, sys=0.93%, ctx=1366, 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=185400: Sun Nov 16 20:33:53 2025 write: IOPS=104, BW=418KiB/s (428kB/s)(10.0MiB/24484msec); 0 zone resets slat (usec): min=28, max=16398, avg=166.27, stdev=578.08 clat (msec): min=14, max=262, avg=152.25, stdev=35.48 lat (msec): min=15, max=262, avg=152.42, stdev=35.47 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 99], 10.00th=[ 110], 20.00th=[ 125], | 30.00th=[ 132], 40.00th=[ 142], 50.00th=[ 150], 60.00th=[ 159], | 70.00th=[ 167], 80.00th=[ 180], 90.00th=[ 201], 95.00th=[ 222], | 99.00th=[ 241], 99.50th=[ 247], 99.90th=[ 262], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 295, max= 672, per=24.95%, avg=416.94, stdev=74.43, samples=48 iops : min= 73, max= 168, avg=103.83, stdev=18.69, samples=48 lat (msec) : 20=0.04%, 50=0.20%, 100=5.43%, 250=93.98%, 500=0.35% cpu : usr=0.15%, sys=1.09%, ctx=1759, 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=1672KiB/s (1712kB/s), 418KiB/s-420KiB/s (428kB/s-430kB/s), io=40.0MiB (41.9MB), run=24382-24502msec 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=185414: Sun Nov 16 20:34:28 2025 read: IOPS=46, BW=186KiB/s (191kB/s)(5048KiB/27105msec) slat (usec): min=28, max=36116, avg=11216.76, stdev=5208.13 clat (msec): min=21, max=275, avg=160.37, stdev=35.19 lat (msec): min=37, max=288, avg=171.59, stdev=36.49 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 105], 10.00th=[ 118], 20.00th=[ 132], | 30.00th=[ 142], 40.00th=[ 150], 50.00th=[ 159], 60.00th=[ 167], | 70.00th=[ 178], 80.00th=[ 190], 90.00th=[ 205], 95.00th=[ 224], | 99.00th=[ 247], 99.50th=[ 257], 99.90th=[ 271], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 112, max= 255, per=25.20%, avg=185.00, stdev=34.20, samples=53 iops : min= 28, max= 63, avg=45.79, stdev= 8.51, samples=53 write: IOPS=47, BW=192KiB/s (196kB/s)(5192KiB/27105msec); 0 zone resets slat (usec): min=28, max=8671, avg=167.31, stdev=436.74 clat (msec): min=87, max=280, avg=166.40, stdev=34.12 lat (msec): min=87, max=280, avg=166.57, stdev=34.12 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 120], 10.00th=[ 126], 20.00th=[ 138], | 30.00th=[ 146], 40.00th=[ 155], 50.00th=[ 163], 60.00th=[ 174], | 70.00th=[ 182], 80.00th=[ 194], 90.00th=[ 215], 95.00th=[ 232], | 99.00th=[ 255], 99.50th=[ 266], 99.90th=[ 275], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 118, max= 285, per=24.99%, avg=191.15, stdev=38.60, samples=53 iops : min= 29, max= 71, avg=47.32, stdev= 9.62, samples=53 lat (msec) : 50=0.08%, 100=1.91%, 250=96.91%, 500=1.09% cpu : usr=0.22%, sys=1.60%, ctx=4357, 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=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=185415: Sun Nov 16 20:34:28 2025 read: IOPS=45, BW=182KiB/s (187kB/s)(4976KiB/27279msec) slat (usec): min=2500, max=44256, avg=11530.87, stdev=5495.70 clat (msec): min=51, max=297, avg=159.92, stdev=35.29 lat (msec): min=64, max=326, avg=171.46, stdev=36.81 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 110], 10.00th=[ 121], 20.00th=[ 131], | 30.00th=[ 140], 40.00th=[ 148], 50.00th=[ 157], 60.00th=[ 165], | 70.00th=[ 174], 80.00th=[ 188], 90.00th=[ 205], 95.00th=[ 228], | 99.00th=[ 266], 99.50th=[ 271], 99.90th=[ 288], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 53, max= 278, per=24.69%, avg=181.24, stdev=43.46, samples=54 iops : min= 13, max= 69, avg=44.85, stdev=10.86, samples=54 write: IOPS=48, BW=193KiB/s (198kB/s)(5264KiB/27279msec); 0 zone resets slat (usec): min=30, max=7264, avg=188.96, stdev=510.95 clat (msec): min=31, max=308, avg=166.86, stdev=35.97 lat (msec): min=31, max=308, avg=167.05, stdev=35.95 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 115], 10.00th=[ 126], 20.00th=[ 136], | 30.00th=[ 146], 40.00th=[ 157], 50.00th=[ 165], 60.00th=[ 174], | 70.00th=[ 182], 80.00th=[ 194], 90.00th=[ 215], 95.00th=[ 232], | 99.00th=[ 271], 99.50th=[ 279], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 106, max= 263, per=25.12%, avg=192.19, stdev=40.28, samples=54 iops : min= 26, max= 65, avg=47.61, stdev=10.04, samples=54 lat (msec) : 50=0.04%, 100=1.45%, 250=96.13%, 500=2.38% cpu : usr=0.23%, sys=1.64%, ctx=4669, 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=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=185416: Sun Nov 16 20:34:28 2025 read: IOPS=45, BW=183KiB/s (187kB/s)(4984KiB/27279msec) slat (usec): min=2474, max=39337, avg=11368.02, stdev=5234.75 clat (msec): min=73, max=289, avg=161.02, stdev=36.71 lat (msec): min=80, max=303, avg=172.39, stdev=38.22 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 109], 10.00th=[ 118], 20.00th=[ 131], | 30.00th=[ 140], 40.00th=[ 148], 50.00th=[ 157], 60.00th=[ 167], | 70.00th=[ 178], 80.00th=[ 190], 90.00th=[ 211], 95.00th=[ 228], | 99.00th=[ 264], 99.50th=[ 275], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 68, max= 279, per=24.82%, avg=182.15, stdev=43.84, samples=54 iops : min= 17, max= 69, avg=45.07, stdev=10.92, samples=54 write: IOPS=48, BW=193KiB/s (197kB/s)(5256KiB/27279msec); 0 zone resets slat (usec): min=30, max=8514, avg=173.25, stdev=497.39 clat (msec): min=74, max=303, avg=166.14, stdev=35.26 lat (msec): min=74, max=303, avg=166.31, stdev=35.26 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 116], 10.00th=[ 126], 20.00th=[ 136], | 30.00th=[ 146], 40.00th=[ 155], 50.00th=[ 163], 60.00th=[ 171], | 70.00th=[ 182], 80.00th=[ 194], 90.00th=[ 215], 95.00th=[ 234], | 99.00th=[ 264], 99.50th=[ 271], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 83, max= 310, per=25.00%, avg=191.28, stdev=44.85, samples=54 iops : min= 20, max= 77, avg=47.37, stdev=11.21, samples=54 lat (msec) : 100=1.84%, 250=96.05%, 500=2.11% cpu : usr=0.23%, sys=1.72%, ctx=4495, 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=185417: Sun Nov 16 20:34:28 2025 read: IOPS=46, BW=185KiB/s (190kB/s)(5060KiB/27304msec) slat (usec): min=2566, max=58413, avg=11336.95, stdev=5436.37 clat (msec): min=14, max=298, avg=160.28, stdev=35.71 lat (msec): min=24, max=321, avg=171.62, stdev=36.92 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 109], 10.00th=[ 118], 20.00th=[ 131], | 30.00th=[ 140], 40.00th=[ 148], 50.00th=[ 157], 60.00th=[ 165], | 70.00th=[ 176], 80.00th=[ 190], 90.00th=[ 207], 95.00th=[ 224], | 99.00th=[ 266], 99.50th=[ 275], 99.90th=[ 296], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 53, max= 271, per=25.13%, avg=184.48, stdev=42.51, samples=54 iops : min= 13, max= 67, avg=45.67, stdev=10.60, samples=54 write: IOPS=47, BW=190KiB/s (194kB/s)(5180KiB/27304msec); 0 zone resets slat (usec): min=31, max=6669, avg=180.87, stdev=424.12 clat (msec): min=33, max=321, avg=166.67, stdev=35.16 lat (msec): min=33, max=321, avg=166.86, stdev=35.16 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 115], 10.00th=[ 125], 20.00th=[ 138], | 30.00th=[ 146], 40.00th=[ 157], 50.00th=[ 165], 60.00th=[ 171], | 70.00th=[ 182], 80.00th=[ 194], 90.00th=[ 215], 95.00th=[ 228], | 99.00th=[ 266], 99.50th=[ 279], 99.90th=[ 305], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 84, max= 295, per=24.70%, avg=188.98, stdev=38.84, samples=54 iops : min= 21, max= 73, avg=46.80, stdev= 9.66, samples=54 lat (msec) : 20=0.04%, 50=0.08%, 100=1.88%, 250=96.17%, 500=1.84% cpu : usr=0.19%, sys=1.67%, ctx=4664, 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=735KiB/s (753kB/s), 182KiB/s-186KiB/s (187kB/s-191kB/s), io=19.6MiB (20.5MB), run=27105-27304msec WRITE: bw=765KiB/s (784kB/s), 190KiB/s-193KiB/s (194kB/s-198kB/s), io=20.4MiB (21.4MB), run=27105-27304msec 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=185426: Sun Nov 16 20:34:37 2025 read: IOPS=2, BW=80.0MiB/s (84.9MB/s)(40.0MiB/494msec) slat (nsec): min=20144k, max=20144k, avg=20144345.00, stdev= 0.00 clat (nsec): min=458282k, max=458282k, avg=458282346.00, stdev= 0.00 lat (nsec): min=478432k, max=478432k, avg=478432131.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 460], 5.00th=[ 460], 10.00th=[ 460], 20.00th=[ 460], | 30.00th=[ 460], 40.00th=[ 460], 50.00th=[ 460], 60.00th=[ 460], | 70.00th=[ 460], 80.00th=[ 460], 90.00th=[ 460], 95.00th=[ 460], | 99.00th=[ 460], 99.50th=[ 460], 99.90th=[ 460], 99.95th=[ 460], | 99.99th=[ 460] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.23%, ctx=12, 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=80.0MiB/s (84.9MB/s), 80.0MiB/s-80.0MiB/s (84.9MB/s-84.9MB/s), io=40.0MiB (41.9MB), run=494-494msec 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