== sanity test 398c: run fio to test AIO ================= 22:20:25 (1746152425) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.280516 s, 150 MB/s osc.lustre-OST0000-osc-ffff88012c7e8000.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=25002: Thu May 1 22:20:48 2025 write: IOPS=130, BW=521KiB/s (533kB/s)(10.0MiB/19659msec) slat (usec): min=12, max=7740, avg=138.55, stdev=431.05 clat (msec): min=71, max=242, avg=122.10, stdev=24.91 lat (msec): min=71, max=242, avg=122.24, stdev=24.91 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 90], 10.00th=[ 95], 20.00th=[ 102], | 30.00th=[ 107], 40.00th=[ 111], 50.00th=[ 120], 60.00th=[ 127], | 70.00th=[ 133], 80.00th=[ 142], 90.00th=[ 153], 95.00th=[ 171], | 99.00th=[ 199], 99.50th=[ 211], 99.90th=[ 232], 99.95th=[ 243], | 99.99th=[ 243] bw ( KiB/s): min= 383, max= 640, per=24.96%, avg=519.33, stdev=82.52, samples=39 iops : min= 95, max= 160, avg=129.59, stdev=20.69, samples=39 lat (msec) : 100=18.05%, 250=81.95% cpu : usr=0.19%, sys=2.10%, ctx=774, 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=25003: Thu May 1 22:20:48 2025 write: IOPS=130, BW=524KiB/s (536kB/s)(10.0MiB/19560msec) slat (usec): min=14, max=8167, avg=161.43, stdev=478.51 clat (msec): min=14, max=220, avg=121.69, stdev=26.14 lat (msec): min=15, max=220, avg=121.85, stdev=26.13 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 89], 10.00th=[ 94], 20.00th=[ 101], | 30.00th=[ 106], 40.00th=[ 112], 50.00th=[ 117], 60.00th=[ 125], | 70.00th=[ 133], 80.00th=[ 142], 90.00th=[ 159], 95.00th=[ 169], | 99.00th=[ 199], 99.50th=[ 215], 99.90th=[ 222], 99.95th=[ 222], | 99.99th=[ 222] bw ( KiB/s): min= 384, max= 648, per=25.04%, avg=521.05, stdev=82.95, samples=39 iops : min= 96, max= 162, avg=130.05, stdev=20.84, samples=39 lat (msec) : 20=0.04%, 100=20.08%, 250=79.88% cpu : usr=0.07%, sys=2.51%, ctx=1030, 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=25004: Thu May 1 22:20:48 2025 write: IOPS=130, BW=520KiB/s (533kB/s)(10.0MiB/19674msec) slat (usec): min=14, max=5261, avg=131.02, stdev=399.29 clat (msec): min=32, max=221, avg=122.09, stdev=24.77 lat (msec): min=33, max=221, avg=122.22, stdev=24.79 clat percentiles (msec): | 1.00th=[ 73], 5.00th=[ 89], 10.00th=[ 93], 20.00th=[ 102], | 30.00th=[ 109], 40.00th=[ 113], 50.00th=[ 120], 60.00th=[ 126], | 70.00th=[ 133], 80.00th=[ 140], 90.00th=[ 155], 95.00th=[ 167], | 99.00th=[ 197], 99.50th=[ 215], 99.90th=[ 222], 99.95th=[ 222], | 99.99th=[ 222] bw ( KiB/s): min= 376, max= 640, per=24.82%, avg=516.51, stdev=87.19, samples=39 iops : min= 94, max= 160, avg=128.95, stdev=21.88, samples=39 lat (msec) : 50=0.23%, 100=17.97%, 250=81.80% cpu : usr=0.38%, sys=1.61%, ctx=649, 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=25005: Thu May 1 22:20:48 2025 write: IOPS=130, BW=523KiB/s (535kB/s)(10.0MiB/19595msec) slat (usec): min=13, max=6749, avg=149.33, stdev=424.66 clat (msec): min=11, max=220, avg=121.83, stdev=25.82 lat (msec): min=11, max=220, avg=121.99, stdev=25.81 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 88], 10.00th=[ 93], 20.00th=[ 100], | 30.00th=[ 107], 40.00th=[ 113], 50.00th=[ 120], 60.00th=[ 125], | 70.00th=[ 132], 80.00th=[ 144], 90.00th=[ 157], 95.00th=[ 174], | 99.00th=[ 194], 99.50th=[ 209], 99.90th=[ 220], 99.95th=[ 220], | 99.99th=[ 222] bw ( KiB/s): min= 384, max= 656, per=25.03%, avg=520.97, stdev=77.52, samples=39 iops : min= 96, max= 164, avg=130.05, stdev=19.46, samples=39 lat (msec) : 20=0.08%, 50=0.08%, 100=20.39%, 250=79.45% cpu : usr=0.51%, sys=1.86%, ctx=941, 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=2082KiB/s (2132kB/s), 520KiB/s-524KiB/s (533kB/s-536kB/s), io=40.0MiB (41.9MB), run=19560-19674msec 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=25032: Thu May 1 22:21:10 2025 read: IOPS=65, BW=261KiB/s (268kB/s)(5048KiB/19318msec) slat (usec): min=1731, max=29361, avg=8126.15, stdev=3489.55 clat (msec): min=13, max=193, avg=114.63, stdev=23.85 lat (msec): min=25, max=201, avg=122.76, stdev=24.33 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 82], 10.00th=[ 87], 20.00th=[ 94], | 30.00th=[ 102], 40.00th=[ 108], 50.00th=[ 113], 60.00th=[ 120], | 70.00th=[ 126], 80.00th=[ 134], 90.00th=[ 148], 95.00th=[ 157], | 99.00th=[ 178], 99.50th=[ 182], 99.90th=[ 190], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 144, max= 360, per=25.01%, avg=259.39, stdev=42.83, samples=38 iops : min= 36, max= 90, avg=64.61, stdev=10.75, samples=38 write: IOPS=67, BW=269KiB/s (275kB/s)(5192KiB/19318msec) slat (usec): min=16, max=4079, avg=168.85, stdev=382.79 clat (msec): min=16, max=189, avg=117.24, stdev=21.30 lat (msec): min=16, max=189, avg=117.41, stdev=21.30 clat percentiles (msec): | 1.00th=[ 78], 5.00th=[ 86], 10.00th=[ 91], 20.00th=[ 100], | 30.00th=[ 106], 40.00th=[ 111], 50.00th=[ 117], 60.00th=[ 122], | 70.00th=[ 128], 80.00th=[ 136], 90.00th=[ 146], 95.00th=[ 155], | 99.00th=[ 169], 99.50th=[ 174], 99.90th=[ 184], 99.95th=[ 190], | 99.99th=[ 190] bw ( KiB/s): min= 184, max= 368, per=24.85%, avg=268.39, stdev=51.31, samples=38 iops : min= 46, max= 92, avg=66.87, stdev=12.87, samples=38 lat (msec) : 20=0.08%, 50=0.20%, 100=24.53%, 250=75.20% cpu : usr=0.87%, sys=4.08%, ctx=2473, 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=25033: Thu May 1 22:21:10 2025 read: IOPS=64, BW=258KiB/s (264kB/s)(4976KiB/19272msec) slat (usec): min=16, max=24815, avg=8036.88, stdev=3536.98 clat (msec): min=15, max=212, avg=114.55, stdev=24.31 lat (msec): min=21, max=223, avg=122.60, stdev=24.82 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 80], 10.00th=[ 87], 20.00th=[ 95], | 30.00th=[ 101], 40.00th=[ 107], 50.00th=[ 113], 60.00th=[ 121], | 70.00th=[ 128], 80.00th=[ 134], 90.00th=[ 146], 95.00th=[ 157], | 99.00th=[ 178], 99.50th=[ 188], 99.90th=[ 213], 99.95th=[ 213], | 99.99th=[ 213] bw ( KiB/s): min= 183, max= 352, per=24.73%, avg=256.50, stdev=47.65, samples=38 iops : min= 45, max= 88, avg=63.92, stdev=11.96, samples=38 write: IOPS=68, BW=273KiB/s (280kB/s)(5264KiB/19272msec) slat (usec): min=16, max=11771, avg=166.09, stdev=505.82 clat (msec): min=46, max=202, avg=117.92, stdev=21.89 lat (msec): min=46, max=202, avg=118.09, stdev=21.88 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 85], 10.00th=[ 91], 20.00th=[ 101], | 30.00th=[ 107], 40.00th=[ 112], 50.00th=[ 117], 60.00th=[ 123], | 70.00th=[ 128], 80.00th=[ 136], 90.00th=[ 148], 95.00th=[ 157], | 99.00th=[ 178], 99.50th=[ 182], 99.90th=[ 194], 99.95th=[ 203], | 99.99th=[ 203] bw ( KiB/s): min= 175, max= 360, per=25.33%, avg=273.55, stdev=48.05, samples=38 iops : min= 43, max= 90, avg=68.18, stdev=12.06, samples=38 lat (msec) : 20=0.12%, 50=0.16%, 100=24.84%, 250=74.88% cpu : usr=0.73%, sys=4.19%, ctx=2245, 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=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=25034: Thu May 1 22:21:10 2025 read: IOPS=64, BW=258KiB/s (264kB/s)(4984KiB/19342msec) slat (usec): min=2082, max=26897, avg=7927.66, stdev=3404.70 clat (msec): min=17, max=216, avg=113.98, stdev=23.36 lat (msec): min=23, max=226, avg=121.92, stdev=24.03 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 81], 10.00th=[ 87], 20.00th=[ 94], | 30.00th=[ 101], 40.00th=[ 107], 50.00th=[ 113], 60.00th=[ 118], | 70.00th=[ 127], 80.00th=[ 134], 90.00th=[ 144], 95.00th=[ 153], | 99.00th=[ 174], 99.50th=[ 186], 99.90th=[ 203], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 119, max= 408, per=24.75%, avg=256.66, stdev=50.74, samples=38 iops : min= 29, max= 102, avg=63.97, stdev=12.64, samples=38 write: IOPS=67, BW=272KiB/s (278kB/s)(5256KiB/19342msec) slat (usec): min=15, max=5354, avg=173.38, stdev=410.57 clat (msec): min=67, max=195, avg=118.09, stdev=22.01 lat (msec): min=67, max=195, avg=118.26, stdev=22.01 clat percentiles (msec): | 1.00th=[ 78], 5.00th=[ 86], 10.00th=[ 92], 20.00th=[ 100], | 30.00th=[ 106], 40.00th=[ 111], 50.00th=[ 116], 60.00th=[ 122], | 70.00th=[ 129], 80.00th=[ 136], 90.00th=[ 148], 95.00th=[ 159], | 99.00th=[ 182], 99.50th=[ 190], 99.90th=[ 197], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 175, max= 350, per=24.97%, avg=269.71, stdev=50.76, samples=38 iops : min= 43, max= 87, avg=67.24, stdev=12.63, samples=38 lat (msec) : 20=0.04%, 50=0.16%, 100=25.08%, 250=74.73% cpu : usr=0.63%, sys=4.49%, ctx=2354, 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=25035: Thu May 1 22:21:10 2025 read: IOPS=65, BW=262KiB/s (268kB/s)(5060KiB/19337msec) slat (usec): min=1762, max=25058, avg=7998.59, stdev=3309.83 clat (msec): min=22, max=196, avg=113.73, stdev=22.54 lat (msec): min=31, max=211, avg=121.74, stdev=22.99 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 81], 10.00th=[ 86], 20.00th=[ 94], | 30.00th=[ 101], 40.00th=[ 107], 50.00th=[ 112], 60.00th=[ 118], | 70.00th=[ 126], 80.00th=[ 134], 90.00th=[ 144], 95.00th=[ 153], | 99.00th=[ 169], 99.50th=[ 176], 99.90th=[ 180], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 135, max= 360, per=25.11%, avg=260.34, stdev=47.98, samples=38 iops : min= 33, max= 90, avg=64.76, stdev=11.99, samples=38 write: IOPS=66, BW=268KiB/s (274kB/s)(5180KiB/19337msec) slat (usec): min=16, max=13916, avg=182.53, stdev=595.15 clat (msec): min=38, max=184, avg=118.03, stdev=21.56 lat (msec): min=38, max=185, avg=118.22, stdev=21.55 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 85], 10.00th=[ 91], 20.00th=[ 100], | 30.00th=[ 106], 40.00th=[ 111], 50.00th=[ 116], 60.00th=[ 123], | 70.00th=[ 129], 80.00th=[ 138], 90.00th=[ 146], 95.00th=[ 155], | 99.00th=[ 174], 99.50th=[ 182], 99.90th=[ 184], 99.95th=[ 186], | 99.99th=[ 186] bw ( KiB/s): min= 159, max= 360, per=24.63%, avg=266.03, stdev=48.16, samples=38 iops : min= 39, max= 90, avg=66.18, stdev=12.06, samples=38 lat (msec) : 50=0.12%, 100=24.65%, 250=75.23% cpu : usr=0.95%, sys=4.25%, ctx=2453, 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=1038KiB/s (1062kB/s), 258KiB/s-262KiB/s (264kB/s-268kB/s), io=19.6MiB (20.5MB), run=19272-19342msec WRITE: bw=1080KiB/s (1106kB/s), 268KiB/s-273KiB/s (274kB/s-280kB/s), io=20.4MiB (21.4MB), run=19272-19342msec 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=25055: Thu May 1 22:21:14 2025 read: IOPS=1, BW=56.2MiB/s (58.9MB/s)(40.0MiB/712msec) slat (nsec): min=5541.0k, max=5541.0k, avg=5541982.00, stdev= 0.00 clat (nsec): min=673085k, max=673085k, avg=673084541.00, stdev= 0.00 lat (nsec): min=678655k, max=678655k, avg=678655353.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 676], 5.00th=[ 676], 10.00th=[ 676], 20.00th=[ 676], | 30.00th=[ 676], 40.00th=[ 676], 50.00th=[ 676], 60.00th=[ 676], | 70.00th=[ 676], 80.00th=[ 676], 90.00th=[ 676], 95.00th=[ 676], | 99.00th=[ 676], 99.50th=[ 676], 99.90th=[ 676], 99.95th=[ 676], | 99.99th=[ 676] lat (msec) : 750=100.00% cpu : usr=0.00%, sys=0.56%, 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=56.2MiB/s (58.9MB/s), 56.2MiB/s-56.2MiB/s (58.9MB/s-58.9MB/s), io=40.0MiB (41.9MB), run=712-712msec 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