== sanity test 398c: run fio to test AIO ================= 02:55:02 (1747810502)
/usr/bin/fio
debug=0
40+0 records in
40+0 records out
41943040 bytes (42 MB) copied, 0.0969905 s, 432 MB/s
osc.lustre-OST0000-osc-ffff8800b4118000.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-3.7
Starting 4 processes

rand-write: (groupid=0, jobs=1): err= 0: pid=14689: Wed May 21 02:55:32 2025
  write: IOPS=91, BW=366KiB/s (374kB/s)(10.0MiB/28009msec)
    slat (usec): min=12, max=606, avg=82.53, stdev=51.14
    clat (msec): min=19, max=325, avg=174.84, stdev=34.80
     lat (msec): min=19, max=325, avg=174.92, stdev=34.80
    clat percentiles (msec):
     |  1.00th=[   90],  5.00th=[  118], 10.00th=[  133], 20.00th=[  146],
     | 30.00th=[  159], 40.00th=[  167], 50.00th=[  174], 60.00th=[  184],
     | 70.00th=[  194], 80.00th=[  207], 90.00th=[  220], 95.00th=[  230],
     | 99.00th=[  245], 99.50th=[  251], 99.90th=[  309], 99.95th=[  309],
     | 99.99th=[  326]
   bw (  KiB/s): min=  256, max=  648, per=24.96%, avg=363.46, stdev=62.06, samples=56
   iops        : min=   64, max=  162, avg=90.79, stdev=15.53, samples=56
  lat (msec)   : 20=0.04%, 50=0.27%, 100=1.99%, 250=97.19%, 500=0.51%
  cpu          : usr=0.20%, sys=0.79%, ctx=2431, majf=0, minf=32
  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=14690: Wed May 21 02:55:32 2025
  write: IOPS=91, BW=365KiB/s (373kB/s)(10.0MiB/28079msec)
    slat (usec): min=12, max=425, avg=78.47, stdev=51.27
    clat (msec): min=84, max=305, avg=175.23, stdev=33.77
     lat (msec): min=84, max=305, avg=175.31, stdev=33.77
    clat percentiles (msec):
     |  1.00th=[   86],  5.00th=[  120], 10.00th=[  134], 20.00th=[  146],
     | 30.00th=[  157], 40.00th=[  167], 50.00th=[  176], 60.00th=[  184],
     | 70.00th=[  197], 80.00th=[  207], 90.00th=[  222], 95.00th=[  230],
     | 99.00th=[  243], 99.50th=[  247], 99.90th=[  264], 99.95th=[  271],
     | 99.99th=[  305]
   bw (  KiB/s): min=  263, max=  640, per=24.96%, avg=363.41, stdev=57.61, samples=56
   iops        : min=   65, max=  160, avg=90.73, stdev=14.49, samples=56
  lat (msec)   : 100=2.54%, 250=97.19%, 500=0.27%
  cpu          : usr=0.14%, sys=0.79%, ctx=2166, majf=0, minf=29
  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=14691: Wed May 21 02:55:32 2025
  write: IOPS=91, BW=364KiB/s (373kB/s)(10.0MiB/28117msec)
    slat (usec): min=13, max=465, avg=79.39, stdev=50.87
    clat (msec): min=62, max=260, avg=175.44, stdev=32.64
     lat (msec): min=62, max=260, avg=175.52, stdev=32.65
    clat percentiles (msec):
     |  1.00th=[   96],  5.00th=[  121], 10.00th=[  134], 20.00th=[  148],
     | 30.00th=[  159], 40.00th=[  167], 50.00th=[  174], 60.00th=[  184],
     | 70.00th=[  194], 80.00th=[  207], 90.00th=[  220], 95.00th=[  230],
     | 99.00th=[  243], 99.50th=[  247], 99.90th=[  259], 99.95th=[  262],
     | 99.99th=[  262]
   bw (  KiB/s): min=  272, max=  512, per=24.91%, avg=362.73, stdev=53.64, samples=56
   iops        : min=   68, max=  128, avg=90.61, stdev=13.45, samples=56
  lat (msec)   : 100=1.05%, 250=98.67%, 500=0.27%
  cpu          : usr=0.14%, sys=0.79%, ctx=2276, majf=0, minf=31
  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=14692: Wed May 21 02:55:32 2025
  write: IOPS=91, BW=364KiB/s (373kB/s)(10.0MiB/28117msec)
    slat (usec): min=13, max=445, avg=81.30, stdev=50.59
    clat (msec): min=73, max=258, avg=175.43, stdev=32.30
     lat (msec): min=73, max=258, avg=175.51, stdev=32.31
    clat percentiles (msec):
     |  1.00th=[   96],  5.00th=[  121], 10.00th=[  136], 20.00th=[  148],
     | 30.00th=[  159], 40.00th=[  167], 50.00th=[  176], 60.00th=[  184],
     | 70.00th=[  194], 80.00th=[  207], 90.00th=[  218], 95.00th=[  228],
     | 99.00th=[  241], 99.50th=[  245], 99.90th=[  253], 99.95th=[  253],
     | 99.99th=[  259]
   bw (  KiB/s): min=  272, max=  512, per=24.89%, avg=362.39, stdev=51.22, samples=56
   iops        : min=   68, max=  128, avg=90.48, stdev=12.88, samples=56
  lat (msec)   : 100=1.09%, 250=98.67%, 500=0.23%
  cpu          : usr=0.15%, sys=0.81%, ctx=2405, majf=0, minf=30
  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=1457KiB/s (1492kB/s), 364KiB/s-366KiB/s (373kB/s-374kB/s), io=40.0MiB (41.9MB), run=28009-28117msec
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-3.7
Starting 4 processes

rand-rw: (groupid=0, jobs=1): err= 0: pid=14725: Wed May 21 02:55:49 2025
   read: IOPS=75, BW=304KiB/s (311kB/s)(5048KiB/16626msec)
    slat (usec): min=704, max=3250, avg=1247.75, stdev=298.58
    clat (msec): min=3, max=162, avg=68.80, stdev=12.72
     lat (msec): min=5, max=163, avg=70.05, stdev=12.74
    clat percentiles (msec):
     |  1.00th=[   34],  5.00th=[   50], 10.00th=[   55], 20.00th=[   59],
     | 30.00th=[   63], 40.00th=[   66], 50.00th=[   69], 60.00th=[   72],
     | 70.00th=[   75], 80.00th=[   80], 90.00th=[   84], 95.00th=[   88],
     | 99.00th=[   97], 99.50th=[  104], 99.90th=[  131], 99.95th=[  163],
     | 99.99th=[  163]
   bw (  KiB/s): min=  168, max=  408, per=25.06%, avg=302.45, stdev=51.55, samples=33
   iops        : min=   42, max=  102, avg=75.55, stdev=12.95, samples=33
  write: IOPS=78, BW=312KiB/s (320kB/s)(5192KiB/16626msec)
    slat (usec): min=14, max=371, avg=64.50, stdev=37.61
    clat (msec): min=39, max=239, avg=136.45, stdev=32.36
     lat (msec): min=39, max=239, avg=136.52, stdev=32.36
    clat percentiles (msec):
     |  1.00th=[   78],  5.00th=[   90], 10.00th=[   96], 20.00th=[  107],
     | 30.00th=[  118], 40.00th=[  127], 50.00th=[  136], 60.00th=[  142],
     | 70.00th=[  153], 80.00th=[  163], 90.00th=[  178], 95.00th=[  199],
     | 99.00th=[  226], 99.50th=[  228], 99.90th=[  232], 99.95th=[  241],
     | 99.99th=[  241]
   bw (  KiB/s): min=  240, max=  384, per=24.81%, avg=311.67, stdev=39.43, samples=33
   iops        : min=   60, max=   96, avg=77.85, stdev= 9.91, samples=33
  lat (msec)   : 4=0.04%, 20=0.20%, 50=2.42%, 100=52.42%, 250=44.92%
  cpu          : usr=0.20%, sys=1.67%, ctx=3269, majf=0, minf=33
  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=14726: Wed May 21 02:55:49 2025
   read: IOPS=75, BW=300KiB/s (307kB/s)(4976KiB/16585msec)
    slat (usec): min=18, max=4427, avg=1250.00, stdev=310.43
    clat (usec): min=1092, max=136485, avg=68629.73, stdev=13722.83
     lat (usec): min=1111, max=137497, avg=69881.72, stdev=13744.76
    clat percentiles (msec):
     |  1.00th=[   13],  5.00th=[   51], 10.00th=[   55], 20.00th=[   59],
     | 30.00th=[   63], 40.00th=[   66], 50.00th=[   69], 60.00th=[   72],
     | 70.00th=[   75], 80.00th=[   79], 90.00th=[   84], 95.00th=[   89],
     | 99.00th=[  102], 99.50th=[  111], 99.90th=[  126], 99.95th=[  138],
     | 99.99th=[  138]
   bw (  KiB/s): min=  208, max=  423, per=24.81%, avg=299.52, stdev=54.97, samples=33
   iops        : min=   52, max=  105, avg=74.79, stdev=13.70, samples=33
  write: IOPS=79, BW=317KiB/s (325kB/s)(5264KiB/16585msec)
    slat (usec): min=14, max=1210, avg=66.58, stdev=62.83
    clat (msec): min=14, max=240, avg=135.37, stdev=33.49
     lat (msec): min=14, max=240, avg=135.44, stdev=33.49
    clat percentiles (msec):
     |  1.00th=[   66],  5.00th=[   86], 10.00th=[   94], 20.00th=[  107],
     | 30.00th=[  117], 40.00th=[  126], 50.00th=[  136], 60.00th=[  142],
     | 70.00th=[  150], 80.00th=[  163], 90.00th=[  182], 95.00th=[  194],
     | 99.00th=[  220], 99.50th=[  232], 99.90th=[  241], 99.95th=[  241],
     | 99.99th=[  241]
   bw (  KiB/s): min=  256, max=  416, per=25.26%, avg=317.21, stdev=38.59, samples=33
   iops        : min=   64, max=  104, avg=79.21, stdev= 9.68, samples=33
  lat (msec)   : 2=0.16%, 4=0.08%, 10=0.04%, 20=0.39%, 50=2.30%
  lat (msec)   : 100=52.23%, 250=44.80%
  cpu          : usr=0.31%, sys=1.55%, ctx=3249, majf=0, minf=29
  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=14727: Wed May 21 02:55:49 2025
   read: IOPS=74, BW=300KiB/s (307kB/s)(4984KiB/16617msec)
    slat (usec): min=749, max=3619, avg=1261.14, stdev=304.59
    clat (usec): min=1906, max=120318, avg=69360.35, stdev=12778.79
     lat (msec): min=3, max=121, avg=70.62, stdev=12.76
    clat percentiles (msec):
     |  1.00th=[   39],  5.00th=[   51], 10.00th=[   55], 20.00th=[   59],
     | 30.00th=[   63], 40.00th=[   67], 50.00th=[   70], 60.00th=[   73],
     | 70.00th=[   77], 80.00th=[   80], 90.00th=[   86], 95.00th=[   90],
     | 99.00th=[   97], 99.50th=[  101], 99.90th=[  120], 99.95th=[  121],
     | 99.99th=[  121]
   bw (  KiB/s): min=  208, max=  424, per=24.86%, avg=300.00, stdev=58.03, samples=33
   iops        : min=   52, max=  106, avg=74.91, stdev=14.50, samples=33
  write: IOPS=79, BW=316KiB/s (324kB/s)(5256KiB/16617msec)
    slat (usec): min=14, max=1656, avg=66.50, stdev=60.31
    clat (msec): min=54, max=244, avg=134.97, stdev=32.63
     lat (msec): min=54, max=244, avg=135.04, stdev=32.63
    clat percentiles (msec):
     |  1.00th=[   73],  5.00th=[   86], 10.00th=[   93], 20.00th=[  107],
     | 30.00th=[  116], 40.00th=[  125], 50.00th=[  133], 60.00th=[  142],
     | 70.00th=[  153], 80.00th=[  161], 90.00th=[  178], 95.00th=[  194],
     | 99.00th=[  218], 99.50th=[  230], 99.90th=[  245], 99.95th=[  245],
     | 99.99th=[  245]
   bw (  KiB/s): min=  240, max=  416, per=25.06%, avg=314.79, stdev=38.51, samples=33
   iops        : min=   60, max=  104, avg=78.61, stdev= 9.67, samples=33
  lat (msec)   : 2=0.04%, 4=0.08%, 20=0.16%, 50=2.07%, 100=53.79%
  lat (msec)   : 250=43.87%
  cpu          : usr=0.23%, sys=1.65%, ctx=3249, majf=0, minf=31
  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=14728: Wed May 21 02:55:49 2025
   read: IOPS=76, BW=305KiB/s (313kB/s)(5060KiB/16573msec)
    slat (usec): min=716, max=2927, avg=1247.45, stdev=285.58
    clat (msec): min=10, max=156, avg=69.09, stdev=14.01
     lat (msec): min=11, max=157, avg=70.34, stdev=14.02
    clat percentiles (msec):
     |  1.00th=[   34],  5.00th=[   50], 10.00th=[   54], 20.00th=[   59],
     | 30.00th=[   63], 40.00th=[   66], 50.00th=[   70], 60.00th=[   73],
     | 70.00th=[   77], 80.00th=[   80], 90.00th=[   86], 95.00th=[   90],
     | 99.00th=[  111], 99.50th=[  113], 99.90th=[  155], 99.95th=[  157],
     | 99.99th=[  157]
   bw (  KiB/s): min=  152, max=  400, per=25.24%, avg=304.61, stdev=53.60, samples=33
   iops        : min=   38, max=  100, avg=76.06, stdev=13.43, samples=33
  write: IOPS=78, BW=313KiB/s (320kB/s)(5180KiB/16573msec)
    slat (usec): min=14, max=325, avg=65.31, stdev=37.82
    clat (msec): min=55, max=238, avg=135.72, stdev=31.89
     lat (msec): min=55, max=238, avg=135.79, stdev=31.89
    clat percentiles (msec):
     |  1.00th=[   70],  5.00th=[   90], 10.00th=[   97], 20.00th=[  107],
     | 30.00th=[  117], 40.00th=[  127], 50.00th=[  134], 60.00th=[  142],
     | 70.00th=[  150], 80.00th=[  161], 90.00th=[  178], 95.00th=[  197],
     | 99.00th=[  218], 99.50th=[  228], 99.90th=[  232], 99.95th=[  239],
     | 99.99th=[  239]
   bw (  KiB/s): min=  232, max=  383, per=24.85%, avg=312.12, stdev=33.54, samples=33
   iops        : min=   58, max=   95, avg=77.94, stdev= 8.37, samples=33
  lat (msec)   : 20=0.35%, 50=2.58%, 100=52.23%, 250=44.84%
  cpu          : usr=0.27%, sys=1.65%, ctx=3252, majf=0, minf=30
  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=1207KiB/s (1236kB/s), 300KiB/s-305KiB/s (307kB/s-313kB/s), io=19.6MiB (20.5MB), run=16573-16626msec
  WRITE: bw=1257KiB/s (1287kB/s), 312KiB/s-317KiB/s (320kB/s-325kB/s), io=20.4MiB (21.4MB), run=16573-16626msec
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-3.7
Starting 1 process

rand-rw: (groupid=0, jobs=1): err= 0: pid=14745: Wed May 21 02:55:51 2025
   read: IOPS=11, BW=476MiB/s (499MB/s)(40.0MiB/84msec)
    slat (nsec): min=6331.5k, max=6331.5k, avg=6331451.00, stdev= 0.00
    clat (nsec): min=73049k, max=73049k, avg=73049361.00, stdev= 0.00
     lat (nsec): min=79395k, max=79395k, avg=79394692.00, stdev= 0.00
    clat percentiles (usec):
     |  1.00th=[72877],  5.00th=[72877], 10.00th=[72877], 20.00th=[72877],
     | 30.00th=[72877], 40.00th=[72877], 50.00th=[72877], 60.00th=[72877],
     | 70.00th=[72877], 80.00th=[72877], 90.00th=[72877], 95.00th=[72877],
     | 99.00th=[72877], 99.50th=[72877], 99.90th=[72877], 99.95th=[72877],
     | 99.99th=[72877]
  lat (msec)   : 100=100.00%
  cpu          : usr=0.00%, sys=6.02%, ctx=22, majf=0, minf=29
  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=476MiB/s (499MB/s), 476MiB/s-476MiB/s (499MB/s-499MB/s), io=40.0MiB (41.9MB), run=84-84msec
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