== sanity test 398c: run fio to test AIO ================= 00:59:39 (1746161979) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.262991 s, 159 MB/s osc.lustre-OST0000-osc-ffff880097836000.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=22847: Fri May 2 01:00:00 2025 write: IOPS=146, BW=585KiB/s (599kB/s)(10.0MiB/17498msec) slat (usec): min=11, max=7744, avg=139.51, stdev=403.46 clat (msec): min=15, max=194, avg=108.73, stdev=22.65 lat (msec): min=16, max=194, avg=108.87, stdev=22.65 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 74], 10.00th=[ 81], 20.00th=[ 90], | 30.00th=[ 97], 40.00th=[ 103], 50.00th=[ 109], 60.00th=[ 114], | 70.00th=[ 120], 80.00th=[ 127], 90.00th=[ 136], 95.00th=[ 146], | 99.00th=[ 171], 99.50th=[ 194], 99.90th=[ 194], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 383, max= 768, per=24.65%, avg=576.91, stdev=85.41, samples=34 iops : min= 95, max= 192, avg=143.88, stdev=21.46, samples=34 lat (msec) : 20=0.04%, 50=0.04%, 100=35.70%, 250=64.22% cpu : usr=0.51%, sys=2.22%, ctx=911, 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=22848: Fri May 2 01:00:00 2025 write: IOPS=146, BW=588KiB/s (602kB/s)(10.0MiB/17422msec) slat (usec): min=12, max=5516, avg=143.37, stdev=377.40 clat (msec): min=26, max=194, avg=108.35, stdev=22.81 lat (msec): min=26, max=194, avg=108.50, stdev=22.81 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 74], 10.00th=[ 81], 20.00th=[ 90], | 30.00th=[ 97], 40.00th=[ 102], 50.00th=[ 109], 60.00th=[ 114], | 70.00th=[ 121], 80.00th=[ 127], 90.00th=[ 134], 95.00th=[ 146], | 99.00th=[ 169], 99.50th=[ 190], 99.90th=[ 194], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 384, max= 790, per=24.82%, avg=580.74, stdev=74.32, samples=34 iops : min= 96, max= 197, avg=145.00, stdev=18.56, samples=34 lat (msec) : 50=0.31%, 100=37.07%, 250=62.62% cpu : usr=0.35%, sys=2.63%, ctx=974, 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=22849: Fri May 2 01:00:00 2025 write: IOPS=146, BW=585KiB/s (599kB/s)(10.0MiB/17504msec) slat (usec): min=10, max=7201, avg=161.58, stdev=400.23 clat (msec): min=5, max=193, avg=108.61, stdev=22.66 lat (msec): min=5, max=193, avg=108.77, stdev=22.67 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 75], 10.00th=[ 81], 20.00th=[ 90], | 30.00th=[ 97], 40.00th=[ 102], 50.00th=[ 109], 60.00th=[ 114], | 70.00th=[ 121], 80.00th=[ 127], 90.00th=[ 136], 95.00th=[ 148], | 99.00th=[ 171], 99.50th=[ 180], 99.90th=[ 194], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 424, max= 768, per=24.58%, avg=575.06, stdev=71.21, samples=34 iops : min= 106, max= 192, avg=143.71, stdev=17.84, samples=34 lat (msec) : 10=0.04%, 50=0.04%, 100=37.03%, 250=62.89% cpu : usr=0.69%, sys=2.31%, ctx=1174, 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=22850: Fri May 2 01:00:00 2025 write: IOPS=146, BW=586KiB/s (600kB/s)(10.0MiB/17488msec) slat (usec): min=10, max=6820, avg=153.61, stdev=407.37 clat (msec): min=47, max=193, avg=108.58, stdev=22.43 lat (msec): min=47, max=193, avg=108.74, stdev=22.43 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 73], 10.00th=[ 81], 20.00th=[ 90], | 30.00th=[ 96], 40.00th=[ 103], 50.00th=[ 109], 60.00th=[ 114], | 70.00th=[ 121], 80.00th=[ 127], 90.00th=[ 136], 95.00th=[ 146], | 99.00th=[ 165], 99.50th=[ 176], 99.90th=[ 194], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 383, max= 782, per=24.62%, avg=576.06, stdev=81.85, samples=34 iops : min= 95, max= 195, avg=143.82, stdev=20.52, samples=34 lat (msec) : 50=0.08%, 100=36.21%, 250=63.71% cpu : usr=0.26%, sys=2.89%, ctx=1045, 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 Run status group 0 (all jobs): WRITE: bw=2340KiB/s (2396kB/s), 585KiB/s-588KiB/s (599kB/s-602kB/s), io=40.0MiB (41.9MB), run=17422-17504msec 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=22875: Fri May 2 01:00:18 2025 read: IOPS=77, BW=311KiB/s (318kB/s)(5048KiB/16254msec) slat (usec): min=1470, max=22530, avg=6845.96, stdev=2942.25 clat (msec): min=21, max=198, avg=95.53, stdev=24.27 lat (msec): min=31, max=209, avg=102.38, stdev=25.24 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 65], 10.00th=[ 70], 20.00th=[ 77], | 30.00th=[ 83], 40.00th=[ 87], 50.00th=[ 92], 60.00th=[ 99], | 70.00th=[ 104], 80.00th=[ 111], 90.00th=[ 126], 95.00th=[ 146], | 99.00th=[ 171], 99.50th=[ 184], 99.90th=[ 197], 99.95th=[ 199], | 99.99th=[ 199] bw ( KiB/s): min= 183, max= 423, per=24.81%, avg=306.12, stdev=60.41, samples=32 iops : min= 45, max= 105, avg=76.28, stdev=15.06, samples=32 write: IOPS=79, BW=319KiB/s (327kB/s)(5192KiB/16254msec) slat (usec): min=12, max=3694, avg=137.31, stdev=295.09 clat (msec): min=16, max=205, avg=99.16, stdev=23.92 lat (msec): min=16, max=205, avg=99.30, stdev=23.92 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 68], 10.00th=[ 73], 20.00th=[ 81], | 30.00th=[ 87], 40.00th=[ 92], 50.00th=[ 96], 60.00th=[ 102], | 70.00th=[ 107], 80.00th=[ 113], 90.00th=[ 129], 95.00th=[ 148], | 99.00th=[ 182], 99.50th=[ 188], 99.90th=[ 203], 99.95th=[ 207], | 99.99th=[ 207] bw ( KiB/s): min= 184, max= 424, per=24.54%, avg=315.34, stdev=55.54, samples=32 iops : min= 46, max= 106, avg=78.59, stdev=13.91, samples=32 lat (msec) : 20=0.04%, 50=0.62%, 100=60.31%, 250=39.02% cpu : usr=1.16%, sys=4.60%, ctx=2316, 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=22876: Fri May 2 01:00:18 2025 read: IOPS=76, BW=308KiB/s (315kB/s)(4976KiB/16182msec) slat (usec): min=19, max=21348, avg=6706.00, stdev=2945.59 clat (msec): min=7, max=192, avg=95.84, stdev=22.93 lat (msec): min=7, max=207, avg=102.55, stdev=23.75 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 66], 10.00th=[ 71], 20.00th=[ 79], | 30.00th=[ 84], 40.00th=[ 88], 50.00th=[ 92], 60.00th=[ 97], | 70.00th=[ 104], 80.00th=[ 112], 90.00th=[ 125], 95.00th=[ 140], | 99.00th=[ 167], 99.50th=[ 176], 99.90th=[ 186], 99.95th=[ 192], | 99.99th=[ 192] bw ( KiB/s): min= 175, max= 384, per=24.71%, avg=304.91, stdev=53.34, samples=32 iops : min= 43, max= 96, avg=76.03, stdev=13.31, samples=32 write: IOPS=81, BW=325KiB/s (333kB/s)(5264KiB/16182msec) slat (usec): min=12, max=7049, avg=146.05, stdev=358.94 clat (msec): min=27, max=209, avg=98.82, stdev=22.90 lat (msec): min=27, max=209, avg=98.97, stdev=22.90 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 70], 10.00th=[ 75], 20.00th=[ 82], | 30.00th=[ 87], 40.00th=[ 92], 50.00th=[ 96], 60.00th=[ 101], | 70.00th=[ 106], 80.00th=[ 113], 90.00th=[ 125], 95.00th=[ 146], | 99.00th=[ 171], 99.50th=[ 182], 99.90th=[ 197], 99.95th=[ 209], | 99.99th=[ 209] bw ( KiB/s): min= 200, max= 440, per=25.28%, avg=324.91, stdev=61.97, samples=32 iops : min= 50, max= 110, avg=81.03, stdev=15.51, samples=32 lat (msec) : 10=0.08%, 20=0.08%, 50=0.51%, 100=61.02%, 250=38.32% cpu : usr=1.03%, sys=4.98%, ctx=2289, 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=22877: Fri May 2 01:00:18 2025 read: IOPS=76, BW=307KiB/s (315kB/s)(4984KiB/16226msec) slat (usec): min=39, max=25930, avg=6698.33, stdev=2923.19 clat (msec): min=17, max=186, avg=96.45, stdev=23.58 lat (msec): min=27, max=205, avg=103.16, stdev=24.30 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 66], 10.00th=[ 70], 20.00th=[ 79], | 30.00th=[ 84], 40.00th=[ 89], 50.00th=[ 93], 60.00th=[ 100], | 70.00th=[ 105], 80.00th=[ 113], 90.00th=[ 127], 95.00th=[ 144], | 99.00th=[ 171], 99.50th=[ 180], 99.90th=[ 184], 99.95th=[ 188], | 99.99th=[ 188] bw ( KiB/s): min= 199, max= 439, per=24.75%, avg=305.44, stdev=53.08, samples=32 iops : min= 49, max= 109, avg=76.00, stdev=13.32, samples=32 write: IOPS=80, BW=324KiB/s (332kB/s)(5256KiB/16226msec) slat (usec): min=13, max=5259, avg=155.95, stdev=362.55 clat (msec): min=52, max=205, avg=98.67, stdev=21.76 lat (msec): min=52, max=205, avg=98.83, stdev=21.74 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 70], 10.00th=[ 74], 20.00th=[ 82], | 30.00th=[ 87], 40.00th=[ 92], 50.00th=[ 96], 60.00th=[ 102], | 70.00th=[ 106], 80.00th=[ 113], 90.00th=[ 124], 95.00th=[ 144], | 99.00th=[ 165], 99.50th=[ 180], 99.90th=[ 197], 99.95th=[ 207], | 99.99th=[ 207] bw ( KiB/s): min= 143, max= 439, per=24.93%, avg=320.41, stdev=63.60, samples=32 iops : min= 35, max= 109, avg=79.75, stdev=15.99, samples=32 lat (msec) : 20=0.04%, 50=0.27%, 100=60.04%, 250=39.65% cpu : usr=0.32%, sys=5.50%, ctx=2302, 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=22878: Fri May 2 01:00:18 2025 read: IOPS=78, BW=312KiB/s (320kB/s)(5060KiB/16208msec) slat (usec): min=21, max=26761, avg=6725.69, stdev=2930.82 clat (msec): min=40, max=185, avg=95.85, stdev=22.52 lat (msec): min=48, max=201, avg=102.58, stdev=23.19 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 66], 10.00th=[ 71], 20.00th=[ 79], | 30.00th=[ 84], 40.00th=[ 89], 50.00th=[ 92], 60.00th=[ 99], | 70.00th=[ 104], 80.00th=[ 110], 90.00th=[ 124], 95.00th=[ 140], | 99.00th=[ 174], 99.50th=[ 180], 99.90th=[ 186], 99.95th=[ 186], | 99.99th=[ 186] bw ( KiB/s): min= 199, max= 448, per=25.17%, avg=310.59, stdev=62.20, samples=32 iops : min= 49, max= 112, avg=77.38, stdev=15.75, samples=32 write: IOPS=79, BW=320KiB/s (327kB/s)(5180KiB/16208msec) slat (usec): min=14, max=10582, avg=160.01, stdev=491.80 clat (msec): min=35, max=201, avg=99.54, stdev=21.54 lat (msec): min=35, max=201, avg=99.70, stdev=21.56 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 70], 10.00th=[ 75], 20.00th=[ 83], | 30.00th=[ 89], 40.00th=[ 93], 50.00th=[ 97], 60.00th=[ 103], | 70.00th=[ 107], 80.00th=[ 113], 90.00th=[ 126], 95.00th=[ 144], | 99.00th=[ 167], 99.50th=[ 176], 99.90th=[ 184], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 191, max= 407, per=24.68%, avg=317.09, stdev=54.85, samples=32 iops : min= 47, max= 101, avg=79.00, stdev=13.73, samples=32 lat (msec) : 50=0.27%, 100=59.38%, 250=40.35% cpu : usr=0.60%, sys=5.05%, ctx=2335, 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=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=1235KiB/s (1264kB/s), 307KiB/s-312KiB/s (315kB/s-320kB/s), io=19.6MiB (20.5MB), run=16182-16254msec WRITE: bw=1285KiB/s (1316kB/s), 319KiB/s-325KiB/s (327kB/s-333kB/s), io=20.4MiB (21.4MB), run=16182-16254msec 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=22895: Fri May 2 01:00:21 2025 read: IOPS=2, BW=97.1MiB/s (102MB/s)(40.0MiB/412msec) slat (nsec): min=3256.6k, max=3256.6k, avg=3256637.00, stdev= 0.00 clat (nsec): min=390105k, max=390105k, avg=390105380.00, stdev= 0.00 lat (nsec): min=393384k, max=393384k, avg=393383748.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 393], 10.00th=[ 393], 20.00th=[ 393], | 30.00th=[ 393], 40.00th=[ 393], 50.00th=[ 393], 60.00th=[ 393], | 70.00th=[ 393], 80.00th=[ 393], 90.00th=[ 393], 95.00th=[ 393], | 99.00th=[ 393], 99.50th=[ 393], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=0.97%, ctx=4, majf=0, minf=30 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=97.1MiB/s (102MB/s), 97.1MiB/s-97.1MiB/s (102MB/s-102MB/s), io=40.0MiB (41.9MB), run=412-412msec 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