== sanity test 398c: run fio to test AIO ================= 01:51:41 (1746165101) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.286795 s, 146 MB/s osc.lustre-OST0000-osc-ffff88007a908800.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=24297: Fri May 2 01:52:04 2025 write: IOPS=136, BW=545KiB/s (558kB/s)(10.0MiB/18792msec) slat (usec): min=11, max=4469, avg=134.39, stdev=408.29 clat (msec): min=35, max=261, avg=116.41, stdev=29.39 lat (msec): min=35, max=261, avg=116.55, stdev=29.38 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 81], 10.00th=[ 87], 20.00th=[ 93], | 30.00th=[ 100], 40.00th=[ 105], 50.00th=[ 111], 60.00th=[ 117], | 70.00th=[ 126], 80.00th=[ 138], 90.00th=[ 155], 95.00th=[ 176], | 99.00th=[ 207], 99.50th=[ 222], 99.90th=[ 262], 99.95th=[ 262], | 99.99th=[ 262] bw ( KiB/s): min= 352, max= 758, per=24.82%, avg=540.86, stdev=98.60, samples=37 iops : min= 88, max= 189, avg=135.03, stdev=24.64, samples=37 lat (msec) : 50=0.20%, 100=31.60%, 250=68.05%, 500=0.16% cpu : usr=0.39%, sys=2.15%, ctx=977, 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=24298: Fri May 2 01:52:04 2025 write: IOPS=136, BW=545KiB/s (558kB/s)(10.0MiB/18782msec) slat (usec): min=10, max=4192, avg=157.02, stdev=416.38 clat (msec): min=11, max=261, avg=116.63, stdev=29.86 lat (msec): min=11, max=262, avg=116.78, stdev=29.87 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 77], 10.00th=[ 86], 20.00th=[ 94], | 30.00th=[ 101], 40.00th=[ 106], 50.00th=[ 112], 60.00th=[ 118], | 70.00th=[ 127], 80.00th=[ 138], 90.00th=[ 157], 95.00th=[ 176], | 99.00th=[ 207], 99.50th=[ 239], 99.90th=[ 249], 99.95th=[ 249], | 99.99th=[ 262] bw ( KiB/s): min= 312, max= 750, per=24.84%, avg=541.35, stdev=94.78, samples=37 iops : min= 78, max= 187, avg=135.19, stdev=23.66, samples=37 lat (msec) : 20=0.08%, 50=0.12%, 100=29.69%, 250=70.08%, 500=0.04% cpu : usr=0.45%, sys=2.36%, ctx=1146, 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=24299: Fri May 2 01:52:04 2025 write: IOPS=136, BW=545KiB/s (558kB/s)(10.0MiB/18780msec) slat (usec): min=11, max=8544, avg=150.77, stdev=518.43 clat (msec): min=23, max=240, avg=116.59, stdev=29.97 lat (msec): min=24, max=240, avg=116.74, stdev=29.98 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 79], 10.00th=[ 88], 20.00th=[ 92], | 30.00th=[ 100], 40.00th=[ 105], 50.00th=[ 112], 60.00th=[ 118], | 70.00th=[ 127], 80.00th=[ 138], 90.00th=[ 157], 95.00th=[ 174], | 99.00th=[ 213], 99.50th=[ 220], 99.90th=[ 228], 99.95th=[ 228], | 99.99th=[ 241] bw ( KiB/s): min= 312, max= 768, per=24.89%, avg=542.46, stdev=103.31, samples=37 iops : min= 78, max= 192, avg=135.46, stdev=25.91, samples=37 lat (msec) : 50=0.16%, 100=32.15%, 250=67.70% cpu : usr=0.44%, sys=1.77%, ctx=763, 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=24300: Fri May 2 01:52:04 2025 write: IOPS=136, BW=545KiB/s (558kB/s)(10.0MiB/18778msec) slat (usec): min=11, max=8736, avg=155.44, stdev=464.12 clat (msec): min=36, max=247, avg=116.45, stdev=29.39 lat (msec): min=36, max=247, avg=116.61, stdev=29.38 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 82], 10.00th=[ 87], 20.00th=[ 93], | 30.00th=[ 101], 40.00th=[ 106], 50.00th=[ 111], 60.00th=[ 117], | 70.00th=[ 126], 80.00th=[ 140], 90.00th=[ 157], 95.00th=[ 176], | 99.00th=[ 207], 99.50th=[ 220], 99.90th=[ 249], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 342, max= 712, per=24.76%, avg=539.43, stdev=96.93, samples=37 iops : min= 85, max= 178, avg=134.68, stdev=24.29, samples=37 lat (msec) : 50=0.12%, 100=29.38%, 250=70.51% cpu : usr=0.57%, sys=2.28%, ctx=1203, 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=2180KiB/s (2232kB/s), 545KiB/s-545KiB/s (558kB/s-558kB/s), io=40.0MiB (41.9MB), run=18778-18792msec 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=24325: Fri May 2 01:52:23 2025 read: IOPS=71, BW=284KiB/s (291kB/s)(5048KiB/17750msec) slat (usec): min=51, max=31526, avg=7610.66, stdev=3525.05 clat (msec): min=30, max=224, avg=103.79, stdev=26.02 lat (msec): min=35, max=232, avg=111.41, stdev=27.07 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 68], 10.00th=[ 74], 20.00th=[ 83], | 30.00th=[ 90], 40.00th=[ 95], 50.00th=[ 102], 60.00th=[ 108], | 70.00th=[ 116], 80.00th=[ 124], 90.00th=[ 136], 95.00th=[ 146], | 99.00th=[ 184], 99.50th=[ 201], 99.90th=[ 224], 99.95th=[ 224], | 99.99th=[ 224] bw ( KiB/s): min= 181, max= 423, per=25.22%, avg=283.71, stdev=57.43, samples=35 iops : min= 45, max= 105, avg=70.69, stdev=14.37, samples=35 write: IOPS=73, BW=293KiB/s (300kB/s)(5192KiB/17750msec) slat (usec): min=15, max=5580, avg=178.23, stdev=427.76 clat (msec): min=27, max=228, avg=109.75, stdev=27.04 lat (msec): min=29, max=228, avg=109.93, stdev=27.01 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 72], 10.00th=[ 80], 20.00th=[ 88], | 30.00th=[ 95], 40.00th=[ 102], 50.00th=[ 107], 60.00th=[ 112], | 70.00th=[ 122], 80.00th=[ 130], 90.00th=[ 142], 95.00th=[ 155], | 99.00th=[ 207], 99.50th=[ 215], 99.90th=[ 228], 99.95th=[ 230], | 99.99th=[ 230] bw ( KiB/s): min= 184, max= 400, per=24.99%, avg=292.60, stdev=52.99, samples=35 iops : min= 46, max= 100, avg=72.89, stdev=13.34, samples=35 lat (msec) : 50=0.39%, 100=43.01%, 250=56.60% cpu : usr=0.54%, sys=4.85%, ctx=2336, 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=24326: Fri May 2 01:52:23 2025 read: IOPS=69, BW=280KiB/s (287kB/s)(4976KiB/17779msec) slat (usec): min=1414, max=28822, avg=7586.92, stdev=3458.71 clat (msec): min=8, max=237, avg=104.12, stdev=25.77 lat (msec): min=12, max=242, avg=111.71, stdev=26.73 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 69], 10.00th=[ 74], 20.00th=[ 83], | 30.00th=[ 89], 40.00th=[ 95], 50.00th=[ 102], 60.00th=[ 109], | 70.00th=[ 115], 80.00th=[ 125], 90.00th=[ 138], 95.00th=[ 146], | 99.00th=[ 184], 99.50th=[ 190], 99.90th=[ 228], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 165, max= 448, per=24.76%, avg=278.57, stdev=58.08, samples=35 iops : min= 41, max= 112, avg=69.51, stdev=14.54, samples=35 write: IOPS=74, BW=296KiB/s (303kB/s)(5264KiB/17779msec) slat (usec): min=15, max=5259, avg=165.42, stdev=414.59 clat (msec): min=45, max=242, avg=108.86, stdev=25.94 lat (msec): min=45, max=243, avg=109.03, stdev=25.93 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 73], 10.00th=[ 80], 20.00th=[ 89], | 30.00th=[ 94], 40.00th=[ 100], 50.00th=[ 106], 60.00th=[ 112], | 70.00th=[ 121], 80.00th=[ 129], 90.00th=[ 142], 95.00th=[ 153], | 99.00th=[ 197], 99.50th=[ 203], 99.90th=[ 239], 99.95th=[ 243], | 99.99th=[ 243] bw ( KiB/s): min= 189, max= 392, per=25.37%, avg=297.09, stdev=58.31, samples=35 iops : min= 47, max= 98, avg=74.14, stdev=14.63, samples=35 lat (msec) : 10=0.08%, 50=0.23%, 100=44.18%, 250=55.51% cpu : usr=1.07%, sys=4.13%, ctx=2283, 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=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=24327: Fri May 2 01:52:23 2025 read: IOPS=69, BW=280KiB/s (286kB/s)(4984KiB/17824msec) slat (usec): min=1631, max=28122, avg=7589.23, stdev=3514.63 clat (msec): min=16, max=215, avg=105.54, stdev=27.32 lat (msec): min=27, max=223, avg=113.13, stdev=28.13 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 69], 10.00th=[ 74], 20.00th=[ 83], | 30.00th=[ 90], 40.00th=[ 96], 50.00th=[ 103], 60.00th=[ 110], | 70.00th=[ 116], 80.00th=[ 127], 90.00th=[ 142], 95.00th=[ 155], | 99.00th=[ 194], 99.50th=[ 203], 99.90th=[ 215], 99.95th=[ 215], | 99.99th=[ 215] bw ( KiB/s): min= 166, max= 391, per=24.83%, avg=279.31, stdev=58.48, samples=35 iops : min= 41, max= 97, avg=69.49, stdev=14.61, samples=35 write: IOPS=73, BW=295KiB/s (302kB/s)(5256KiB/17824msec) slat (usec): min=11, max=3737, avg=140.48, stdev=295.61 clat (msec): min=28, max=217, avg=108.28, stdev=24.54 lat (msec): min=28, max=217, avg=108.42, stdev=24.53 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 74], 10.00th=[ 80], 20.00th=[ 88], | 30.00th=[ 94], 40.00th=[ 100], 50.00th=[ 105], 60.00th=[ 112], | 70.00th=[ 120], 80.00th=[ 128], 90.00th=[ 142], 95.00th=[ 155], | 99.00th=[ 174], 99.50th=[ 178], 99.90th=[ 218], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 183, max= 413, per=25.00%, avg=292.71, stdev=54.50, samples=35 iops : min= 45, max= 103, avg=72.86, stdev=13.70, samples=35 lat (msec) : 20=0.04%, 50=0.12%, 100=44.02%, 250=55.82% cpu : usr=0.55%, sys=4.77%, ctx=2251, 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=24328: Fri May 2 01:52:23 2025 read: IOPS=70, BW=284KiB/s (291kB/s)(5060KiB/17826msec) slat (usec): min=1774, max=25906, avg=7663.93, stdev=3376.01 clat (msec): min=15, max=207, avg=103.44, stdev=24.65 lat (msec): min=21, max=217, avg=111.11, stdev=25.55 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 69], 10.00th=[ 74], 20.00th=[ 83], | 30.00th=[ 89], 40.00th=[ 95], 50.00th=[ 102], 60.00th=[ 107], | 70.00th=[ 114], 80.00th=[ 124], 90.00th=[ 136], 95.00th=[ 146], | 99.00th=[ 178], 99.50th=[ 192], 99.90th=[ 205], 99.95th=[ 209], | 99.99th=[ 209] bw ( KiB/s): min= 196, max= 376, per=25.16%, avg=283.00, stdev=56.44, samples=35 iops : min= 49, max= 94, avg=70.51, stdev=14.14, samples=35 write: IOPS=72, BW=291KiB/s (298kB/s)(5180KiB/17826msec) slat (usec): min=11, max=4751, avg=151.59, stdev=351.53 clat (msec): min=22, max=220, avg=109.72, stdev=25.81 lat (msec): min=22, max=220, avg=109.87, stdev=25.80 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 75], 10.00th=[ 82], 20.00th=[ 89], | 30.00th=[ 94], 40.00th=[ 101], 50.00th=[ 107], 60.00th=[ 113], | 70.00th=[ 121], 80.00th=[ 130], 90.00th=[ 144], 95.00th=[ 157], | 99.00th=[ 190], 99.50th=[ 197], 99.90th=[ 220], 99.95th=[ 222], | 99.99th=[ 222] bw ( KiB/s): min= 176, max= 384, per=24.73%, avg=289.63, stdev=52.60, samples=35 iops : min= 44, max= 96, avg=72.17, stdev=13.14, samples=35 lat (msec) : 20=0.04%, 50=0.12%, 100=44.06%, 250=55.78% cpu : usr=0.56%, sys=4.77%, ctx=2359, 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=1126KiB/s (1153kB/s), 280KiB/s-284KiB/s (286kB/s-291kB/s), io=19.6MiB (20.5MB), run=17750-17826msec WRITE: bw=1172KiB/s (1200kB/s), 291KiB/s-296KiB/s (298kB/s-303kB/s), io=20.4MiB (21.4MB), run=17750-17826msec 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=24347: Fri May 2 01:52:27 2025 read: IOPS=1, BW=77.8MiB/s (81.6MB/s)(40.0MiB/514msec) slat (nsec): min=9061.8k, max=9061.8k, avg=9061779.00, stdev= 0.00 clat (nsec): min=483791k, max=483791k, avg=483791335.00, stdev= 0.00 lat (nsec): min=492880k, max=492880k, avg=492879504.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 485], 5.00th=[ 485], 10.00th=[ 485], 20.00th=[ 485], | 30.00th=[ 485], 40.00th=[ 485], 50.00th=[ 485], 60.00th=[ 485], | 70.00th=[ 485], 80.00th=[ 485], 90.00th=[ 485], 95.00th=[ 485], | 99.00th=[ 485], 99.50th=[ 485], 99.90th=[ 485], 99.95th=[ 485], | 99.99th=[ 485] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=0.97%, ctx=7, 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=77.8MiB/s (81.6MB/s), 77.8MiB/s-77.8MiB/s (81.6MB/s-81.6MB/s), io=40.0MiB (41.9MB), run=514-514msec 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