== sanity test 398c: run fio to test AIO ================= 07:34:14 (1749123254) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.104262 s, 402 MB/s osc.lustre-OST0000-osc-ffff8800a980d000.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=3382: Thu Jun 5 07:34:54 2025 write: IOPS=67, BW=269KiB/s (276kB/s)(10.0MiB/38047msec) slat (usec): min=10, max=903, avg=90.07, stdev=72.76 clat (msec): min=15, max=457, avg=237.58, stdev=59.30 lat (msec): min=15, max=457, avg=237.67, stdev=59.31 clat percentiles (msec): | 1.00th=[ 113], 5.00th=[ 148], 10.00th=[ 169], 20.00th=[ 192], | 30.00th=[ 207], 40.00th=[ 222], 50.00th=[ 236], 60.00th=[ 249], | 70.00th=[ 262], 80.00th=[ 279], 90.00th=[ 317], 95.00th=[ 347], | 99.00th=[ 405], 99.50th=[ 422], 99.90th=[ 447], 99.95th=[ 451], | 99.99th=[ 456] bw ( KiB/s): min= 152, max= 472, per=24.91%, avg=267.74, stdev=54.35, samples=76 iops : min= 38, max= 118, avg=66.83, stdev=13.61, samples=76 lat (msec) : 20=0.12%, 50=0.20%, 100=0.43%, 250=60.43%, 500=38.83% cpu : usr=0.12%, sys=0.80%, ctx=2049, 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=3383: Thu Jun 5 07:34:54 2025 write: IOPS=67, BW=269KiB/s (275kB/s)(10.0MiB/38072msec) slat (usec): min=10, max=11128, avg=97.72, stdev=245.79 clat (msec): min=44, max=434, avg=237.65, stdev=56.55 lat (msec): min=44, max=434, avg=237.75, stdev=56.55 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 153], 10.00th=[ 171], 20.00th=[ 192], | 30.00th=[ 207], 40.00th=[ 220], 50.00th=[ 234], 60.00th=[ 249], | 70.00th=[ 262], 80.00th=[ 279], 90.00th=[ 309], 95.00th=[ 347], | 99.00th=[ 401], 99.50th=[ 422], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 152, max= 384, per=24.90%, avg=267.71, stdev=51.15, samples=76 iops : min= 38, max= 96, avg=66.88, stdev=12.81, samples=76 lat (msec) : 50=0.04%, 100=0.08%, 250=61.64%, 500=38.24% cpu : usr=0.21%, sys=0.72%, ctx=1938, 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=3384: Thu Jun 5 07:34:54 2025 write: IOPS=67, BW=269KiB/s (276kB/s)(10.0MiB/38017msec) slat (usec): min=11, max=2843, avg=91.31, stdev=97.48 clat (msec): min=39, max=451, avg=237.34, stdev=57.95 lat (msec): min=39, max=451, avg=237.43, stdev=57.95 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 150], 10.00th=[ 167], 20.00th=[ 192], | 30.00th=[ 209], 40.00th=[ 220], 50.00th=[ 234], 60.00th=[ 249], | 70.00th=[ 262], 80.00th=[ 279], 90.00th=[ 313], 95.00th=[ 347], | 99.00th=[ 409], 99.50th=[ 426], 99.90th=[ 439], 99.95th=[ 447], | 99.99th=[ 451] bw ( KiB/s): min= 160, max= 384, per=24.91%, avg=267.78, stdev=52.70, samples=76 iops : min= 40, max= 96, avg=66.87, stdev=13.19, samples=76 lat (msec) : 50=0.04%, 100=0.66%, 250=60.27%, 500=39.02% cpu : usr=0.14%, sys=0.75%, ctx=2001, 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=3386: Thu Jun 5 07:34:54 2025 write: IOPS=67, BW=269KiB/s (275kB/s)(10.0MiB/38072msec) slat (usec): min=10, max=2716, avg=88.31, stdev=94.26 clat (msec): min=85, max=440, avg=237.72, stdev=57.28 lat (msec): min=85, max=440, avg=237.81, stdev=57.28 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 153], 10.00th=[ 169], 20.00th=[ 192], | 30.00th=[ 207], 40.00th=[ 222], 50.00th=[ 236], 60.00th=[ 249], | 70.00th=[ 262], 80.00th=[ 279], 90.00th=[ 313], 95.00th=[ 347], | 99.00th=[ 401], 99.50th=[ 414], 99.90th=[ 426], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 168, max= 424, per=24.91%, avg=267.79, stdev=53.86, samples=76 iops : min= 42, max= 106, avg=66.88, stdev=13.47, samples=76 lat (msec) : 100=0.66%, 250=60.39%, 500=38.95% cpu : usr=0.11%, sys=0.75%, ctx=1873, 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=1076KiB/s (1102kB/s), 269KiB/s-269KiB/s (275kB/s-276kB/s), io=40.0MiB (41.9MB), run=38017-38072msec 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=3426: Thu Jun 5 07:35:15 2025 read: IOPS=61, BW=245KiB/s (251kB/s)(5048KiB/20629msec) slat (usec): min=15, max=5164, avg=1551.49, stdev=548.57 clat (msec): min=3, max=249, avg=82.89, stdev=22.46 lat (msec): min=3, max=251, avg=84.44, stdev=22.60 clat percentiles (msec): | 1.00th=[ 13], 5.00th=[ 54], 10.00th=[ 62], 20.00th=[ 68], | 30.00th=[ 72], 40.00th=[ 78], 50.00th=[ 82], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 99], 90.00th=[ 109], 95.00th=[ 120], | 99.00th=[ 142], 99.50th=[ 176], 99.90th=[ 249], 99.95th=[ 251], | 99.99th=[ 251] bw ( KiB/s): min= 120, max= 376, per=25.26%, avg=244.56, stdev=65.84, samples=41 iops : min= 30, max= 94, avg=61.05, stdev=16.47, samples=41 write: IOPS=62, BW=252KiB/s (258kB/s)(5192KiB/20629msec) slat (usec): min=15, max=527, avg=76.14, stdev=56.17 clat (msec): min=16, max=306, avg=171.88, stdev=42.56 lat (msec): min=16, max=306, avg=171.96, stdev=42.57 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 105], 10.00th=[ 118], 20.00th=[ 138], | 30.00th=[ 153], 40.00th=[ 163], 50.00th=[ 174], 60.00th=[ 180], | 70.00th=[ 192], 80.00th=[ 207], 90.00th=[ 226], 95.00th=[ 247], | 99.00th=[ 275], 99.50th=[ 279], 99.90th=[ 288], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 192, max= 336, per=24.98%, avg=251.78, stdev=31.96, samples=41 iops : min= 48, max= 84, avg=62.85, stdev= 8.00, samples=41 lat (msec) : 4=0.12%, 10=0.23%, 20=0.31%, 50=1.25%, 100=40.94% lat (msec) : 250=54.96%, 500=2.19% cpu : usr=0.31%, sys=1.70%, ctx=2983, 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=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=3427: Thu Jun 5 07:35:15 2025 read: IOPS=60, BW=240KiB/s (246kB/s)(4976KiB/20712msec) slat (usec): min=776, max=4628, avg=1562.96, stdev=501.91 clat (usec): min=1705, max=159836, avg=83078.45, stdev=19629.60 lat (msec): min=2, max=161, avg=84.64, stdev=19.75 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 68], | 30.00th=[ 73], 40.00th=[ 78], 50.00th=[ 82], 60.00th=[ 87], | 70.00th=[ 91], 80.00th=[ 97], 90.00th=[ 108], 95.00th=[ 118], | 99.00th=[ 138], 99.50th=[ 150], 99.90th=[ 153], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 143, max= 359, per=24.58%, avg=237.90, stdev=54.91, samples=41 iops : min= 35, max= 89, avg=59.37, stdev=13.79, samples=41 write: IOPS=63, BW=254KiB/s (260kB/s)(5264KiB/20712msec) slat (usec): min=13, max=741, avg=75.62, stdev=58.00 clat (msec): min=28, max=289, avg=171.44, stdev=41.61 lat (msec): min=28, max=289, avg=171.52, stdev=41.61 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 107], 10.00th=[ 120], 20.00th=[ 138], | 30.00th=[ 150], 40.00th=[ 161], 50.00th=[ 171], 60.00th=[ 182], | 70.00th=[ 192], 80.00th=[ 207], 90.00th=[ 226], 95.00th=[ 245], | 99.00th=[ 271], 99.50th=[ 284], 99.90th=[ 288], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 184, max= 360, per=24.98%, avg=251.76, stdev=38.56, samples=41 iops : min= 46, max= 90, avg=62.83, stdev= 9.63, samples=41 lat (msec) : 2=0.08%, 4=0.08%, 10=0.04%, 20=0.08%, 50=0.94% lat (msec) : 100=40.98%, 250=55.82%, 500=1.99% cpu : usr=0.44%, sys=1.59%, ctx=2919, 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=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=3428: Thu Jun 5 07:35:15 2025 read: IOPS=60, BW=241KiB/s (247kB/s)(4984KiB/20692msec) slat (usec): min=725, max=5013, avg=1581.05, stdev=524.13 clat (usec): min=1842, max=153067, avg=82922.25, stdev=20130.81 lat (msec): min=3, max=154, avg=84.51, stdev=20.24 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 68], | 30.00th=[ 72], 40.00th=[ 78], 50.00th=[ 82], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 97], 90.00th=[ 110], 95.00th=[ 121], | 99.00th=[ 136], 99.50th=[ 142], 99.90th=[ 150], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 152, max= 400, per=24.94%, avg=241.44, stdev=55.54, samples=41 iops : min= 38, max= 100, avg=60.27, stdev=13.88, samples=41 write: IOPS=63, BW=254KiB/s (260kB/s)(5256KiB/20692msec) slat (usec): min=12, max=1118, avg=76.81, stdev=71.08 clat (msec): min=54, max=290, avg=171.45, stdev=40.71 lat (msec): min=54, max=290, avg=171.52, stdev=40.71 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 108], 10.00th=[ 120], 20.00th=[ 138], | 30.00th=[ 150], 40.00th=[ 161], 50.00th=[ 169], 60.00th=[ 182], | 70.00th=[ 190], 80.00th=[ 205], 90.00th=[ 224], 95.00th=[ 243], | 99.00th=[ 271], 99.50th=[ 275], 99.90th=[ 288], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 184, max= 328, per=25.02%, avg=252.17, stdev=36.21, samples=41 iops : min= 46, max= 82, avg=62.95, stdev= 9.04, samples=41 lat (msec) : 2=0.04%, 4=0.08%, 20=0.31%, 50=0.70%, 100=40.23% lat (msec) : 250=56.37%, 500=2.27% cpu : usr=0.22%, sys=1.80%, ctx=2945, 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=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=3429: Thu Jun 5 07:35:15 2025 read: IOPS=61, BW=245KiB/s (251kB/s)(5060KiB/20669msec) slat (usec): min=787, max=4820, avg=1569.23, stdev=507.39 clat (usec): min=1605, max=161720, avg=83036.43, stdev=20601.59 lat (msec): min=3, max=163, avg=84.61, stdev=20.71 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 55], 10.00th=[ 62], 20.00th=[ 68], | 30.00th=[ 72], 40.00th=[ 78], 50.00th=[ 82], 60.00th=[ 86], | 70.00th=[ 91], 80.00th=[ 97], 90.00th=[ 111], 95.00th=[ 122], | 99.00th=[ 140], 99.50th=[ 146], 99.90th=[ 161], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 144, max= 344, per=25.33%, avg=245.15, stdev=47.81, samples=41 iops : min= 36, max= 86, avg=61.20, stdev=11.94, samples=41 write: IOPS=62, BW=251KiB/s (257kB/s)(5180KiB/20669msec) slat (usec): min=14, max=671, avg=74.59, stdev=54.11 clat (msec): min=63, max=284, avg=172.26, stdev=40.55 lat (msec): min=63, max=284, avg=172.33, stdev=40.55 clat percentiles (msec): | 1.00th=[ 83], 5.00th=[ 111], 10.00th=[ 122], 20.00th=[ 138], | 30.00th=[ 150], 40.00th=[ 161], 50.00th=[ 171], 60.00th=[ 180], | 70.00th=[ 192], 80.00th=[ 207], 90.00th=[ 226], 95.00th=[ 247], | 99.00th=[ 275], 99.50th=[ 279], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 183, max= 320, per=24.75%, avg=249.44, stdev=36.33, samples=41 iops : min= 45, max= 80, avg=62.27, stdev= 9.10, samples=41 lat (msec) : 2=0.04%, 4=0.08%, 20=0.39%, 50=0.98%, 100=41.41% lat (msec) : 250=54.96%, 500=2.15% cpu : usr=0.18%, sys=1.81%, ctx=2934, 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=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=969KiB/s (992kB/s), 240KiB/s-245KiB/s (246kB/s-251kB/s), io=19.6MiB (20.5MB), run=20629-20712msec WRITE: bw=1009KiB/s (1033kB/s), 251KiB/s-254KiB/s (257kB/s-260kB/s), io=20.4MiB (21.4MB), run=20629-20712msec 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=3449: Thu Jun 5 07:35:17 2025 read: IOPS=11, BW=460MiB/s (482MB/s)(40.0MiB/87msec) slat (nsec): min=6096.1k, max=6096.1k, avg=6096140.00, stdev= 0.00 clat (nsec): min=76872k, max=76872k, avg=76871873.00, stdev= 0.00 lat (nsec): min=82992k, max=82992k, avg=82991848.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[77071], 5.00th=[77071], 10.00th=[77071], 20.00th=[77071], | 30.00th=[77071], 40.00th=[77071], 50.00th=[77071], 60.00th=[77071], | 70.00th=[77071], 80.00th=[77071], 90.00th=[77071], 95.00th=[77071], | 99.00th=[77071], 99.50th=[77071], 99.90th=[77071], 99.95th=[77071], | 99.99th=[77071] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=8.14%, ctx=5, 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=460MiB/s (482MB/s), 460MiB/s-460MiB/s (482MB/s-482MB/s), io=40.0MiB (41.9MB), run=87-87msec 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