== sanity test 398c: run fio to test AIO ================= 00:15:12 (1746159312) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.381217 s, 110 MB/s osc.lustre-OST0000-osc-ffff88012a604800.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=22867: Fri May 2 00:15:34 2025 write: IOPS=142, BW=569KiB/s (583kB/s)(10.0MiB/17995msec) slat (usec): min=9, max=9780, avg=124.60, stdev=446.34 clat (msec): min=34, max=240, avg=111.91, stdev=25.50 lat (msec): min=34, max=240, avg=112.04, stdev=25.52 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 78], 10.00th=[ 85], 20.00th=[ 91], | 30.00th=[ 100], 40.00th=[ 105], 50.00th=[ 110], 60.00th=[ 116], | 70.00th=[ 124], 80.00th=[ 131], 90.00th=[ 144], 95.00th=[ 153], | 99.00th=[ 190], 99.50th=[ 241], 99.90th=[ 241], 99.95th=[ 241], | 99.99th=[ 241] bw ( KiB/s): min= 400, max= 792, per=24.95%, avg=567.37, stdev=87.60, samples=35 iops : min= 100, max= 198, avg=141.71, stdev=21.93, samples=35 lat (msec) : 50=0.78%, 100=30.78%, 250=68.44% cpu : usr=0.63%, sys=1.77%, ctx=786, 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=22868: Fri May 2 00:15:34 2025 write: IOPS=142, BW=569KiB/s (582kB/s)(10.0MiB/18012msec) slat (usec): min=14, max=4858, avg=143.84, stdev=403.88 clat (msec): min=27, max=226, avg=112.07, stdev=24.87 lat (msec): min=27, max=226, avg=112.22, stdev=24.87 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 77], 10.00th=[ 86], 20.00th=[ 92], | 30.00th=[ 99], 40.00th=[ 106], 50.00th=[ 111], 60.00th=[ 117], | 70.00th=[ 124], 80.00th=[ 132], 90.00th=[ 146], 95.00th=[ 155], | 99.00th=[ 182], 99.50th=[ 190], 99.90th=[ 228], 99.95th=[ 228], | 99.99th=[ 228] bw ( KiB/s): min= 440, max= 816, per=24.96%, avg=567.49, stdev=88.48, samples=35 iops : min= 110, max= 204, avg=141.74, stdev=22.17, samples=35 lat (msec) : 50=0.90%, 100=30.82%, 250=68.28% cpu : usr=0.57%, sys=2.20%, ctx=1066, 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=22869: Fri May 2 00:15:34 2025 write: IOPS=142, BW=569KiB/s (583kB/s)(10.0MiB/17996msec) slat (usec): min=12, max=5395, avg=123.96, stdev=368.33 clat (msec): min=21, max=247, avg=112.03, stdev=25.94 lat (msec): min=22, max=250, avg=112.15, stdev=25.95 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 78], 10.00th=[ 86], 20.00th=[ 92], | 30.00th=[ 100], 40.00th=[ 106], 50.00th=[ 111], 60.00th=[ 117], | 70.00th=[ 124], 80.00th=[ 131], 90.00th=[ 144], 95.00th=[ 155], | 99.00th=[ 190], 99.50th=[ 215], 99.90th=[ 249], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 392, max= 896, per=24.95%, avg=567.34, stdev=95.36, samples=35 iops : min= 98, max= 224, avg=141.74, stdev=23.85, samples=35 lat (msec) : 50=1.95%, 100=28.75%, 250=69.30% cpu : usr=0.42%, sys=2.05%, ctx=983, 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=22870: Fri May 2 00:15:34 2025 write: IOPS=142, BW=569KiB/s (582kB/s)(10.0MiB/18012msec) slat (usec): min=13, max=6806, avg=99.12, stdev=351.77 clat (msec): min=11, max=231, avg=112.11, stdev=25.09 lat (msec): min=12, max=231, avg=112.21, stdev=25.09 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 77], 10.00th=[ 84], 20.00th=[ 92], | 30.00th=[ 99], 40.00th=[ 106], 50.00th=[ 112], 60.00th=[ 115], | 70.00th=[ 125], 80.00th=[ 132], 90.00th=[ 144], 95.00th=[ 153], | 99.00th=[ 182], 99.50th=[ 184], 99.90th=[ 192], 99.95th=[ 209], | 99.99th=[ 232] bw ( KiB/s): min= 399, max= 808, per=24.85%, avg=565.03, stdev=97.38, samples=36 iops : min= 99, max= 202, avg=141.11, stdev=24.41, samples=36 lat (msec) : 20=0.08%, 50=0.90%, 100=32.15%, 250=66.88% cpu : usr=0.17%, sys=1.79%, ctx=589, 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=2274KiB/s (2329kB/s), 569KiB/s-569KiB/s (582kB/s-583kB/s), io=40.0MiB (41.9MB), run=17995-18012msec 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=22896: Fri May 2 00:15:50 2025 read: IOPS=90, BW=363KiB/s (372kB/s)(5048KiB/13904msec) slat (usec): min=14, max=20120, avg=5698.09, stdev=2434.02 clat (msec): min=27, max=163, avg=82.41, stdev=19.11 lat (msec): min=34, max=165, avg=88.11, stdev=19.68 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 54], 10.00th=[ 59], 20.00th=[ 66], | 30.00th=[ 72], 40.00th=[ 78], 50.00th=[ 82], 60.00th=[ 87], | 70.00th=[ 92], 80.00th=[ 97], 90.00th=[ 108], 95.00th=[ 116], | 99.00th=[ 136], 99.50th=[ 142], 99.90th=[ 159], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 272, max= 456, per=25.22%, avg=362.89, stdev=52.94, samples=27 iops : min= 68, max= 114, avg=90.52, stdev=13.26, samples=27 write: IOPS=93, BW=373KiB/s (382kB/s)(5192KiB/13904msec) slat (usec): min=14, max=4514, avg=116.79, stdev=279.63 clat (msec): min=29, max=153, avg=85.24, stdev=18.57 lat (msec): min=29, max=153, avg=85.36, stdev=18.57 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 59], 10.00th=[ 64], 20.00th=[ 69], | 30.00th=[ 73], 40.00th=[ 79], 50.00th=[ 85], 60.00th=[ 90], | 70.00th=[ 95], 80.00th=[ 102], 90.00th=[ 109], 95.00th=[ 118], | 99.00th=[ 133], 99.50th=[ 142], 99.90th=[ 150], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 256, max= 512, per=25.00%, avg=374.44, stdev=60.75, samples=27 iops : min= 64, max= 128, avg=93.41, stdev=15.22, samples=27 lat (msec) : 50=1.99%, 100=78.95%, 250=19.06% cpu : usr=1.36%, sys=4.50%, ctx=2390, 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=22897: Fri May 2 00:15:50 2025 read: IOPS=89, BW=357KiB/s (365kB/s)(4976KiB/13943msec) slat (usec): min=1398, max=17941, avg=5775.53, stdev=2335.82 clat (msec): min=9, max=155, avg=81.34, stdev=18.67 lat (msec): min=13, max=164, avg=87.12, stdev=19.36 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 54], 10.00th=[ 58], 20.00th=[ 65], | 30.00th=[ 71], 40.00th=[ 75], 50.00th=[ 81], 60.00th=[ 86], | 70.00th=[ 91], 80.00th=[ 99], 90.00th=[ 106], 95.00th=[ 113], | 99.00th=[ 128], 99.50th=[ 133], 99.90th=[ 144], 99.95th=[ 157], | 99.99th=[ 157] bw ( KiB/s): min= 224, max= 480, per=24.65%, avg=354.67, stdev=65.91, samples=27 iops : min= 56, max= 120, avg=88.37, stdev=16.46, samples=27 write: IOPS=94, BW=378KiB/s (387kB/s)(5264KiB/13943msec) slat (usec): min=14, max=8707, avg=122.33, stdev=364.88 clat (msec): min=38, max=153, avg=85.60, stdev=18.45 lat (msec): min=38, max=153, avg=85.72, stdev=18.47 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 58], 10.00th=[ 63], 20.00th=[ 70], | 30.00th=[ 75], 40.00th=[ 80], 50.00th=[ 84], 60.00th=[ 90], | 70.00th=[ 95], 80.00th=[ 102], 90.00th=[ 111], 95.00th=[ 118], | 99.00th=[ 130], 99.50th=[ 133], 99.90th=[ 146], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 272, max= 520, per=25.20%, avg=377.48, stdev=58.67, samples=27 iops : min= 68, max= 130, avg=94.07, stdev=14.65, samples=27 lat (msec) : 10=0.04%, 20=0.04%, 50=1.99%, 100=78.59%, 250=19.34% cpu : usr=0.31%, sys=5.72%, ctx=2244, 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=22898: Fri May 2 00:15:50 2025 read: IOPS=89, BW=357KiB/s (366kB/s)(4984KiB/13944msec) slat (usec): min=1632, max=18231, avg=5762.55, stdev=2332.91 clat (msec): min=32, max=152, avg=82.37, stdev=18.79 lat (msec): min=36, max=158, avg=88.14, stdev=19.44 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 54], 10.00th=[ 58], 20.00th=[ 65], | 30.00th=[ 71], 40.00th=[ 77], 50.00th=[ 82], 60.00th=[ 87], | 70.00th=[ 92], 80.00th=[ 100], 90.00th=[ 108], 95.00th=[ 115], | 99.00th=[ 128], 99.50th=[ 133], 99.90th=[ 150], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 224, max= 470, per=24.92%, avg=358.56, stdev=57.65, samples=27 iops : min= 56, max= 117, avg=89.33, stdev=14.42, samples=27 write: IOPS=94, BW=377KiB/s (386kB/s)(5256KiB/13944msec) slat (usec): min=11, max=5711, avg=110.32, stdev=275.33 clat (msec): min=21, max=153, avg=84.73, stdev=18.13 lat (msec): min=21, max=153, avg=84.85, stdev=18.13 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 58], 10.00th=[ 63], 20.00th=[ 69], | 30.00th=[ 74], 40.00th=[ 80], 50.00th=[ 84], 60.00th=[ 89], | 70.00th=[ 94], 80.00th=[ 101], 90.00th=[ 109], 95.00th=[ 116], | 99.00th=[ 130], 99.50th=[ 138], 99.90th=[ 155], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 262, max= 544, per=25.06%, avg=375.44, stdev=72.67, samples=27 iops : min= 65, max= 136, avg=93.56, stdev=18.18, samples=27 lat (msec) : 50=1.41%, 100=79.84%, 250=18.75% cpu : usr=1.33%, sys=4.68%, ctx=2374, 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=22899: Fri May 2 00:15:50 2025 read: IOPS=91, BW=364KiB/s (373kB/s)(5060KiB/13900msec) slat (usec): min=1665, max=18528, avg=5727.90, stdev=2394.87 clat (msec): min=9, max=145, avg=81.42, stdev=18.45 lat (msec): min=13, max=154, avg=87.16, stdev=19.20 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 53], 10.00th=[ 58], 20.00th=[ 66], | 30.00th=[ 72], 40.00th=[ 77], 50.00th=[ 81], 60.00th=[ 86], | 70.00th=[ 92], 80.00th=[ 97], 90.00th=[ 107], 95.00th=[ 113], | 99.00th=[ 128], 99.50th=[ 131], 99.90th=[ 146], 99.95th=[ 146], | 99.99th=[ 146] bw ( KiB/s): min= 239, max= 470, per=25.35%, avg=364.78, stdev=59.38, samples=27 iops : min= 59, max= 117, avg=90.89, stdev=14.80, samples=27 write: IOPS=93, BW=373KiB/s (382kB/s)(5180KiB/13900msec) slat (usec): min=13, max=7148, avg=119.91, stdev=303.35 clat (msec): min=37, max=151, avg=85.39, stdev=17.77 lat (msec): min=37, max=151, avg=85.51, stdev=17.77 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 59], 10.00th=[ 63], 20.00th=[ 69], | 30.00th=[ 74], 40.00th=[ 81], 50.00th=[ 85], 60.00th=[ 90], | 70.00th=[ 96], 80.00th=[ 102], 90.00th=[ 109], 95.00th=[ 115], | 99.00th=[ 129], 99.50th=[ 131], 99.90th=[ 146], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 279, max= 486, per=24.86%, avg=372.44, stdev=56.71, samples=27 iops : min= 69, max= 121, avg=92.81, stdev=14.19, samples=27 lat (msec) : 10=0.04%, 50=1.48%, 100=78.95%, 250=19.53% cpu : usr=0.37%, sys=5.63%, ctx=2387, 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=1439KiB/s (1474kB/s), 357KiB/s-364KiB/s (365kB/s-373kB/s), io=19.6MiB (20.5MB), run=13900-13944msec WRITE: bw=1498KiB/s (1534kB/s), 373KiB/s-378KiB/s (382kB/s-387kB/s), io=20.4MiB (21.4MB), run=13900-13944msec 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=22914: Fri May 2 00:15:53 2025 read: IOPS=2, BW=117MiB/s (123MB/s)(40.0MiB/341msec) slat (nsec): min=2887.5k, max=2887.5k, avg=2887530.00, stdev= 0.00 clat (nsec): min=320353k, max=320353k, avg=320352520.00, stdev= 0.00 lat (nsec): min=323262k, max=323262k, avg=323262190.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 321], 5.00th=[ 321], 10.00th=[ 321], 20.00th=[ 321], | 30.00th=[ 321], 40.00th=[ 321], 50.00th=[ 321], 60.00th=[ 321], | 70.00th=[ 321], 80.00th=[ 321], 90.00th=[ 321], 95.00th=[ 321], | 99.00th=[ 321], 99.50th=[ 321], 99.90th=[ 321], 99.95th=[ 321], | 99.99th=[ 321] lat (msec) : 500=100.00% cpu : usr=0.59%, sys=0.88%, ctx=6, 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=117MiB/s (123MB/s), 117MiB/s-117MiB/s (123MB/s-123MB/s), io=40.0MiB (41.9MB), run=341-341msec 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