== sanity test 398c: run fio to test AIO ================= 14:22:38 (1744136558) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.0840122 s, 499 MB/s osc.lustre-OST0000-osc-ffff88008429b800.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=12395: Tue Apr 8 14:23:06 2025 write: IOPS=96, BW=386KiB/s (395kB/s)(10.0MiB/26520msec) slat (usec): min=13, max=510, avg=76.10, stdev=45.67 clat (msec): min=25, max=280, avg=165.45, stdev=29.96 lat (msec): min=25, max=280, avg=165.53, stdev=29.96 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 116], 10.00th=[ 130], 20.00th=[ 144], | 30.00th=[ 153], 40.00th=[ 159], 50.00th=[ 167], 60.00th=[ 174], | 70.00th=[ 182], 80.00th=[ 190], 90.00th=[ 203], 95.00th=[ 213], | 99.00th=[ 234], 99.50th=[ 245], 99.90th=[ 279], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 272, max= 640, per=24.88%, avg=384.13, stdev=52.00, samples=53 iops : min= 68, max= 160, avg=96.02, stdev=13.02, samples=53 lat (msec) : 50=0.12%, 100=2.23%, 250=97.42%, 500=0.23% cpu : usr=0.17%, sys=0.80%, ctx=2468, majf=0, minf=34 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=12396: Tue Apr 8 14:23:06 2025 write: IOPS=96, BW=386KiB/s (396kB/s)(10.0MiB/26501msec) slat (usec): min=14, max=725, avg=75.77, stdev=48.44 clat (msec): min=65, max=326, avg=165.37, stdev=30.84 lat (msec): min=65, max=326, avg=165.45, stdev=30.85 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 115], 10.00th=[ 130], 20.00th=[ 142], | 30.00th=[ 153], 40.00th=[ 159], 50.00th=[ 165], 60.00th=[ 174], | 70.00th=[ 180], 80.00th=[ 190], 90.00th=[ 203], 95.00th=[ 218], | 99.00th=[ 236], 99.50th=[ 247], 99.90th=[ 296], 99.95th=[ 317], | 99.99th=[ 326] bw ( KiB/s): min= 304, max= 638, per=25.03%, avg=386.52, stdev=54.89, samples=52 iops : min= 76, max= 159, avg=96.58, stdev=13.71, samples=52 lat (msec) : 100=2.70%, 250=97.11%, 500=0.20% cpu : usr=0.22%, sys=0.74%, ctx=2404, majf=0, minf=28 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=12397: Tue Apr 8 14:23:06 2025 write: IOPS=96, BW=386KiB/s (395kB/s)(10.0MiB/26519msec) slat (usec): min=13, max=656, avg=73.95, stdev=45.79 clat (msec): min=79, max=271, avg=165.46, stdev=29.68 lat (msec): min=79, max=271, avg=165.53, stdev=29.68 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 116], 10.00th=[ 130], 20.00th=[ 144], | 30.00th=[ 153], 40.00th=[ 159], 50.00th=[ 165], 60.00th=[ 174], | 70.00th=[ 180], 80.00th=[ 190], 90.00th=[ 203], 95.00th=[ 213], | 99.00th=[ 234], 99.50th=[ 243], 99.90th=[ 262], 99.95th=[ 262], | 99.99th=[ 271] bw ( KiB/s): min= 264, max= 640, per=24.88%, avg=384.13, stdev=54.11, samples=53 iops : min= 66, max= 160, avg=96.02, stdev=13.54, samples=53 lat (msec) : 100=2.07%, 250=97.66%, 500=0.27% cpu : usr=0.15%, sys=0.80%, ctx=2311, 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 rand-write: (groupid=0, jobs=1): err= 0: pid=12398: Tue Apr 8 14:23:06 2025 write: IOPS=96, BW=388KiB/s (397kB/s)(10.0MiB/26421msec) slat (usec): min=13, max=550, avg=76.91, stdev=45.33 clat (msec): min=17, max=320, avg=164.91, stdev=31.69 lat (msec): min=17, max=320, avg=164.99, stdev=31.69 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 114], 10.00th=[ 128], 20.00th=[ 144], | 30.00th=[ 153], 40.00th=[ 159], 50.00th=[ 165], 60.00th=[ 174], | 70.00th=[ 182], 80.00th=[ 190], 90.00th=[ 203], 95.00th=[ 213], | 99.00th=[ 236], 99.50th=[ 247], 99.90th=[ 271], 99.95th=[ 309], | 99.99th=[ 321] bw ( KiB/s): min= 304, max= 686, per=25.11%, avg=387.75, stdev=57.97, samples=52 iops : min= 76, max= 171, avg=96.88, stdev=14.46, samples=52 lat (msec) : 20=0.20%, 50=0.23%, 100=2.38%, 250=96.84%, 500=0.35% cpu : usr=0.22%, sys=0.77%, ctx=2562, 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=1544KiB/s (1582kB/s), 386KiB/s-388KiB/s (395kB/s-397kB/s), io=40.0MiB (41.9MB), run=26421-26520msec 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=12429: Tue Apr 8 14:23:23 2025 read: IOPS=80, BW=322KiB/s (329kB/s)(5048KiB/15698msec) slat (usec): min=18, max=4404, avg=1180.72, stdev=382.13 clat (usec): min=1283, max=180535, avg=65252.87, stdev=16960.42 lat (usec): min=1705, max=181736, avg=66435.29, stdev=17074.41 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 44], 10.00th=[ 50], 20.00th=[ 56], | 30.00th=[ 59], 40.00th=[ 62], 50.00th=[ 65], 60.00th=[ 68], | 70.00th=[ 72], 80.00th=[ 75], 90.00th=[ 83], 95.00th=[ 91], | 99.00th=[ 110], 99.50th=[ 155], 99.90th=[ 167], 99.95th=[ 182], | 99.99th=[ 182] bw ( KiB/s): min= 216, max= 464, per=25.41%, avg=321.74, stdev=70.40, samples=31 iops : min= 54, max= 116, avg=80.39, stdev=17.57, samples=31 write: IOPS=82, BW=331KiB/s (339kB/s)(5192KiB/15698msec) slat (usec): min=13, max=1112, avg=64.86, stdev=50.15 clat (msec): min=15, max=281, avg=128.68, stdev=34.19 lat (msec): min=15, max=281, avg=128.75, stdev=34.19 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 82], 10.00th=[ 90], 20.00th=[ 102], | 30.00th=[ 111], 40.00th=[ 120], 50.00th=[ 126], 60.00th=[ 133], | 70.00th=[ 144], 80.00th=[ 155], 90.00th=[ 174], 95.00th=[ 190], | 99.00th=[ 228], 99.50th=[ 239], 99.90th=[ 271], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 240, max= 392, per=25.12%, avg=331.03, stdev=43.55, samples=31 iops : min= 60, max= 98, avg=82.71, stdev=10.92, samples=31 lat (msec) : 2=0.16%, 4=0.12%, 10=0.20%, 20=0.51%, 50=5.23% lat (msec) : 100=51.72%, 250=41.91%, 500=0.16% cpu : usr=0.18%, sys=1.67%, ctx=3865, 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=12430: Tue Apr 8 14:23:23 2025 read: IOPS=78, BW=314KiB/s (322kB/s)(4976KiB/15845msec) slat (usec): min=643, max=4278, avg=1184.30, stdev=339.78 clat (usec): min=940, max=181577, avg=65773.74, stdev=15026.39 lat (msec): min=2, max=182, avg=66.96, stdev=15.13 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 46], 10.00th=[ 50], 20.00th=[ 55], | 30.00th=[ 59], 40.00th=[ 63], 50.00th=[ 65], 60.00th=[ 68], | 70.00th=[ 72], 80.00th=[ 75], 90.00th=[ 83], 95.00th=[ 90], | 99.00th=[ 103], 99.50th=[ 127], 99.90th=[ 182], 99.95th=[ 182], | 99.99th=[ 182] bw ( KiB/s): min= 152, max= 464, per=24.76%, avg=313.52, stdev=74.24, samples=31 iops : min= 38, max= 116, avg=78.35, stdev=18.52, samples=31 write: IOPS=83, BW=332KiB/s (340kB/s)(5264KiB/15845msec) slat (usec): min=11, max=723, avg=63.41, stdev=39.69 clat (msec): min=48, max=251, avg=129.01, stdev=32.28 lat (msec): min=48, max=251, avg=129.07, stdev=32.28 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 80], 10.00th=[ 90], 20.00th=[ 102], | 30.00th=[ 113], 40.00th=[ 121], 50.00th=[ 127], 60.00th=[ 136], | 70.00th=[ 144], 80.00th=[ 155], 90.00th=[ 169], 95.00th=[ 186], | 99.00th=[ 218], 99.50th=[ 236], 99.90th=[ 251], 99.95th=[ 251], | 99.99th=[ 251] bw ( KiB/s): min= 216, max= 432, per=25.08%, avg=330.55, stdev=45.28, samples=31 iops : min= 54, max= 108, avg=82.61, stdev=11.32, samples=31 lat (usec) : 1000=0.04% lat (msec) : 2=0.08%, 4=0.04%, 10=0.04%, 20=0.16%, 50=4.69% lat (msec) : 100=52.15%, 250=42.73%, 500=0.08% cpu : usr=0.25%, sys=1.59%, ctx=3797, 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=12431: Tue Apr 8 14:23:23 2025 read: IOPS=78, BW=315KiB/s (322kB/s)(4984KiB/15845msec) slat (usec): min=647, max=3680, avg=1195.50, stdev=337.68 clat (msec): min=8, max=180, avg=66.69, stdev=16.13 lat (msec): min=9, max=181, avg=67.88, stdev=16.24 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 47], 10.00th=[ 51], 20.00th=[ 57], | 30.00th=[ 59], 40.00th=[ 63], 50.00th=[ 65], 60.00th=[ 69], | 70.00th=[ 72], 80.00th=[ 77], 90.00th=[ 84], 95.00th=[ 93], | 99.00th=[ 109], 99.50th=[ 155], 99.90th=[ 167], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 184, max= 512, per=24.86%, avg=314.74, stdev=66.73, samples=31 iops : min= 46, max= 128, avg=78.61, stdev=16.71, samples=31 write: IOPS=82, BW=332KiB/s (340kB/s)(5256KiB/15845msec) slat (usec): min=13, max=425, avg=62.32, stdev=37.16 clat (msec): min=51, max=248, avg=128.26, stdev=31.92 lat (msec): min=51, max=248, avg=128.32, stdev=31.92 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 81], 10.00th=[ 92], 20.00th=[ 102], | 30.00th=[ 111], 40.00th=[ 120], 50.00th=[ 126], 60.00th=[ 133], | 70.00th=[ 142], 80.00th=[ 153], 90.00th=[ 169], 95.00th=[ 186], | 99.00th=[ 218], 99.50th=[ 236], 99.90th=[ 241], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 200, max= 440, per=25.00%, avg=329.45, stdev=51.31, samples=31 iops : min= 50, max= 110, avg=82.29, stdev=12.82, samples=31 lat (msec) : 10=0.12%, 20=0.31%, 50=3.98%, 100=52.93%, 250=42.66% cpu : usr=0.21%, sys=1.64%, ctx=3590, 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=12432: Tue Apr 8 14:23:23 2025 read: IOPS=80, BW=320KiB/s (328kB/s)(5060KiB/15803msec) slat (usec): min=659, max=3973, avg=1189.98, stdev=331.38 clat (msec): min=2, max=180, avg=66.33, stdev=15.82 lat (msec): min=4, max=182, avg=67.52, stdev=15.91 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 46], 10.00th=[ 50], 20.00th=[ 56], | 30.00th=[ 60], 40.00th=[ 63], 50.00th=[ 66], 60.00th=[ 69], | 70.00th=[ 72], 80.00th=[ 77], 90.00th=[ 84], 95.00th=[ 91], | 99.00th=[ 105], 99.50th=[ 155], 99.90th=[ 180], 99.95th=[ 182], | 99.99th=[ 182] bw ( KiB/s): min= 160, max= 488, per=25.27%, avg=319.97, stdev=69.55, samples=31 iops : min= 40, max= 122, avg=79.97, stdev=17.41, samples=31 write: IOPS=81, BW=328KiB/s (336kB/s)(5180KiB/15803msec) slat (usec): min=13, max=338, avg=62.81, stdev=35.76 clat (msec): min=46, max=271, avg=128.88, stdev=33.41 lat (msec): min=46, max=271, avg=128.94, stdev=33.41 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 78], 10.00th=[ 90], 20.00th=[ 101], | 30.00th=[ 111], 40.00th=[ 118], 50.00th=[ 127], 60.00th=[ 134], | 70.00th=[ 142], 80.00th=[ 155], 90.00th=[ 171], 95.00th=[ 192], | 99.00th=[ 220], 99.50th=[ 222], 99.90th=[ 251], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 224, max= 440, per=24.75%, avg=326.16, stdev=46.53, samples=31 iops : min= 56, max= 110, avg=81.52, stdev=11.66, samples=31 lat (msec) : 4=0.04%, 10=0.04%, 20=0.35%, 50=4.88%, 100=53.12% lat (msec) : 250=41.52%, 500=0.04% cpu : usr=0.17%, sys=1.66%, ctx=3769, 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=1267KiB/s (1297kB/s), 314KiB/s-322KiB/s (322kB/s-329kB/s), io=19.6MiB (20.5MB), run=15698-15845msec WRITE: bw=1319KiB/s (1350kB/s), 328KiB/s-332KiB/s (336kB/s-340kB/s), io=20.4MiB (21.4MB), run=15698-15845msec 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=12449: Tue Apr 8 14:23:24 2025 read: IOPS=10, BW=412MiB/s (432MB/s)(40.0MiB/97msec) slat (nsec): min=6353.0k, max=6353.0k, avg=6353960.00, stdev= 0.00 clat (nsec): min=86751k, max=86751k, avg=86751196.00, stdev= 0.00 lat (nsec): min=93118k, max=93118k, avg=93117977.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[86508], 5.00th=[86508], 10.00th=[86508], 20.00th=[86508], | 30.00th=[86508], 40.00th=[86508], 50.00th=[86508], 60.00th=[86508], | 70.00th=[86508], 80.00th=[86508], 90.00th=[86508], 95.00th=[86508], | 99.00th=[86508], 99.50th=[86508], 99.90th=[86508], 99.95th=[86508], | 99.99th=[86508] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=7.29%, ctx=4, 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=412MiB/s (432MB/s), 412MiB/s-412MiB/s (432MB/s-432MB/s), io=40.0MiB (41.9MB), run=97-97msec 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