== sanity test 398c: run fio to test AIO ================= 02:01:38 (1744092098) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.113742 s, 369 MB/s osc.lustre-OST0000-osc-ffff8800ab007800.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=9862: Tue Apr 8 02:02:03 2025 write: IOPS=110, BW=440KiB/s (451kB/s)(10.0MiB/23260msec) slat (usec): min=13, max=657, avg=59.30, stdev=40.09 clat (msec): min=26, max=223, avg=145.12, stdev=28.38 lat (msec): min=26, max=223, avg=145.18, stdev=28.39 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 101], 10.00th=[ 112], 20.00th=[ 123], | 30.00th=[ 131], 40.00th=[ 138], 50.00th=[ 146], 60.00th=[ 153], | 70.00th=[ 161], 80.00th=[ 169], 90.00th=[ 180], 95.00th=[ 190], | 99.00th=[ 211], 99.50th=[ 213], 99.90th=[ 222], 99.95th=[ 224], | 99.99th=[ 224] bw ( KiB/s): min= 328, max= 768, per=24.96%, avg=439.35, stdev=71.15, samples=46 iops : min= 82, max= 192, avg=109.76, stdev=17.79, samples=46 lat (msec) : 50=0.20%, 100=4.77%, 250=95.04% cpu : usr=0.11%, sys=0.75%, ctx=2220, 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=9863: Tue Apr 8 02:02:03 2025 write: IOPS=110, BW=441KiB/s (451kB/s)(10.0MiB/23234msec) slat (usec): min=13, max=636, avg=61.05, stdev=40.40 clat (msec): min=16, max=272, avg=145.03, stdev=30.29 lat (msec): min=16, max=272, avg=145.09, stdev=30.29 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 97], 10.00th=[ 110], 20.00th=[ 122], | 30.00th=[ 131], 40.00th=[ 138], 50.00th=[ 146], 60.00th=[ 155], | 70.00th=[ 163], 80.00th=[ 169], 90.00th=[ 182], 95.00th=[ 190], | 99.00th=[ 211], 99.50th=[ 222], 99.90th=[ 266], 99.95th=[ 266], | 99.99th=[ 271] bw ( KiB/s): min= 312, max= 808, per=25.06%, avg=441.11, stdev=75.28, samples=46 iops : min= 78, max= 202, avg=110.20, stdev=18.84, samples=46 lat (msec) : 20=0.08%, 50=0.51%, 100=5.12%, 250=94.18%, 500=0.12% cpu : usr=0.12%, sys=0.79%, ctx=2168, 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=9864: Tue Apr 8 02:02:03 2025 write: IOPS=110, BW=440KiB/s (451kB/s)(10.0MiB/23260msec) slat (usec): min=13, max=1111, avg=58.16, stdev=41.54 clat (msec): min=52, max=222, avg=145.18, stdev=28.37 lat (msec): min=52, max=222, avg=145.24, stdev=28.37 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 101], 10.00th=[ 112], 20.00th=[ 124], | 30.00th=[ 132], 40.00th=[ 140], 50.00th=[ 146], 60.00th=[ 153], | 70.00th=[ 161], 80.00th=[ 169], 90.00th=[ 182], 95.00th=[ 190], | 99.00th=[ 211], 99.50th=[ 213], 99.90th=[ 218], 99.95th=[ 222], | 99.99th=[ 222] bw ( KiB/s): min= 320, max= 768, per=24.93%, avg=438.83, stdev=70.90, samples=46 iops : min= 80, max= 192, avg=109.63, stdev=17.73, samples=46 lat (msec) : 100=5.00%, 250=95.00% cpu : usr=0.15%, sys=0.69%, ctx=2174, 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=9865: Tue Apr 8 02:02:03 2025 write: IOPS=110, BW=441KiB/s (451kB/s)(10.0MiB/23234msec) slat (usec): min=12, max=377, avg=58.03, stdev=35.20 clat (msec): min=45, max=255, avg=145.02, stdev=28.90 lat (msec): min=45, max=255, avg=145.08, stdev=28.90 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 100], 10.00th=[ 111], 20.00th=[ 123], | 30.00th=[ 131], 40.00th=[ 138], 50.00th=[ 146], 60.00th=[ 155], | 70.00th=[ 161], 80.00th=[ 169], 90.00th=[ 180], 95.00th=[ 190], | 99.00th=[ 213], 99.50th=[ 220], 99.90th=[ 247], 99.95th=[ 247], | 99.99th=[ 255] bw ( KiB/s): min= 336, max= 768, per=25.01%, avg=440.22, stdev=72.32, samples=46 iops : min= 84, max= 192, avg=109.98, stdev=18.09, samples=46 lat (msec) : 50=0.08%, 100=5.23%, 250=94.65%, 500=0.04% cpu : usr=0.14%, sys=0.75%, ctx=2062, 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=1761KiB/s (1803kB/s), 440KiB/s-441KiB/s (451kB/s-451kB/s), io=40.0MiB (41.9MB), run=23234-23260msec 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=9893: Tue Apr 8 02:02:19 2025 read: IOPS=85, BW=343KiB/s (351kB/s)(5048KiB/14714msec) slat (usec): min=623, max=3146, avg=1087.94, stdev=248.49 clat (usec): min=1294, max=187642, avg=60971.11, stdev=13904.74 lat (msec): min=2, max=188, avg=62.06, stdev=13.94 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 43], 10.00th=[ 48], 20.00th=[ 52], | 30.00th=[ 56], 40.00th=[ 58], 50.00th=[ 61], 60.00th=[ 63], | 70.00th=[ 66], 80.00th=[ 69], 90.00th=[ 73], 95.00th=[ 79], | 99.00th=[ 102], 99.50th=[ 142], 99.90th=[ 188], 99.95th=[ 188], | 99.99th=[ 188] bw ( KiB/s): min= 208, max= 472, per=25.32%, avg=343.90, stdev=67.41, samples=29 iops : min= 52, max= 118, avg=85.90, stdev=16.88, samples=29 write: IOPS=88, BW=353KiB/s (361kB/s)(5192KiB/14714msec) slat (usec): min=14, max=1372, avg=52.29, stdev=56.54 clat (msec): min=52, max=214, avg=120.54, stdev=29.24 lat (msec): min=52, max=214, avg=120.59, stdev=29.24 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 78], 10.00th=[ 83], 20.00th=[ 93], | 30.00th=[ 103], 40.00th=[ 111], 50.00th=[ 118], 60.00th=[ 128], | 70.00th=[ 138], 80.00th=[ 148], 90.00th=[ 159], 95.00th=[ 171], | 99.00th=[ 190], 99.50th=[ 197], 99.90th=[ 211], 99.95th=[ 215], | 99.99th=[ 215] bw ( KiB/s): min= 264, max= 456, per=24.98%, avg=353.28, stdev=44.87, samples=29 iops : min= 66, max= 114, avg=88.24, stdev=11.23, samples=29 lat (msec) : 2=0.04%, 10=0.20%, 20=0.12%, 50=6.60%, 100=55.43% lat (msec) : 250=37.62% cpu : usr=0.24%, sys=1.57%, ctx=2913, 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=9894: Tue Apr 8 02:02:19 2025 read: IOPS=84, BW=337KiB/s (346kB/s)(4976KiB/14745msec) slat (usec): min=30, max=3272, avg=1098.39, stdev=269.14 clat (msec): min=2, max=131, avg=60.13, stdev=11.47 lat (msec): min=3, max=132, avg=61.23, stdev=11.50 clat percentiles (msec): | 1.00th=[ 38], 5.00th=[ 44], 10.00th=[ 49], 20.00th=[ 52], | 30.00th=[ 55], 40.00th=[ 58], 50.00th=[ 61], 60.00th=[ 63], | 70.00th=[ 65], 80.00th=[ 69], 90.00th=[ 73], 95.00th=[ 78], | 99.00th=[ 91], 99.50th=[ 103], 99.90th=[ 121], 99.95th=[ 132], | 99.99th=[ 132] bw ( KiB/s): min= 200, max= 472, per=24.76%, avg=336.21, stdev=71.92, samples=29 iops : min= 50, max= 118, avg=84.00, stdev=18.03, samples=29 write: IOPS=89, BW=357KiB/s (366kB/s)(5264KiB/14745msec) slat (usec): min=15, max=339, avg=50.16, stdev=24.30 clat (msec): min=24, max=200, avg=121.19, stdev=28.92 lat (msec): min=24, max=200, avg=121.24, stdev=28.92 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 78], 10.00th=[ 86], 20.00th=[ 95], | 30.00th=[ 104], 40.00th=[ 113], 50.00th=[ 122], 60.00th=[ 129], | 70.00th=[ 138], 80.00th=[ 146], 90.00th=[ 159], 95.00th=[ 171], | 99.00th=[ 192], 99.50th=[ 197], 99.90th=[ 199], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 288, max= 424, per=25.18%, avg=356.07, stdev=37.69, samples=29 iops : min= 72, max= 106, avg=88.97, stdev= 9.43, samples=29 lat (msec) : 4=0.08%, 10=0.16%, 20=0.12%, 50=6.45%, 100=54.57% lat (msec) : 250=38.63% cpu : usr=0.21%, sys=1.59%, ctx=2833, 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=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=9895: Tue Apr 8 02:02:19 2025 read: IOPS=84, BW=337KiB/s (345kB/s)(4984KiB/14772msec) slat (usec): min=664, max=3635, avg=1097.13, stdev=264.44 clat (usec): min=1757, max=107550, avg=60598.56, stdev=10841.81 lat (msec): min=2, max=108, avg=61.70, stdev=10.89 clat percentiles (msec): | 1.00th=[ 33], 5.00th=[ 46], 10.00th=[ 50], 20.00th=[ 53], | 30.00th=[ 56], 40.00th=[ 58], 50.00th=[ 61], 60.00th=[ 63], | 70.00th=[ 66], 80.00th=[ 69], 90.00th=[ 73], 95.00th=[ 78], | 99.00th=[ 97], 99.50th=[ 101], 99.90th=[ 105], 99.95th=[ 108], | 99.99th=[ 108] bw ( KiB/s): min= 216, max= 504, per=24.80%, avg=336.76, stdev=69.15, samples=29 iops : min= 54, max= 126, avg=84.14, stdev=17.33, samples=29 write: IOPS=88, BW=356KiB/s (364kB/s)(5256KiB/14772msec) slat (usec): min=15, max=875, avg=52.40, stdev=34.61 clat (msec): min=26, max=211, avg=120.86, stdev=29.17 lat (msec): min=26, max=211, avg=120.91, stdev=29.16 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 77], 10.00th=[ 86], 20.00th=[ 94], | 30.00th=[ 105], 40.00th=[ 112], 50.00th=[ 120], 60.00th=[ 128], | 70.00th=[ 136], 80.00th=[ 146], 90.00th=[ 159], 95.00th=[ 171], | 99.00th=[ 194], 99.50th=[ 199], 99.90th=[ 211], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 272, max= 448, per=24.91%, avg=352.21, stdev=48.67, samples=29 iops : min= 68, max= 112, avg=88.00, stdev=12.19, samples=29 lat (msec) : 2=0.04%, 10=0.04%, 20=0.23%, 50=5.51%, 100=55.90% lat (msec) : 250=38.28% cpu : usr=0.20%, sys=1.57%, ctx=3080, 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=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=9896: Tue Apr 8 02:02:19 2025 read: IOPS=85, BW=343KiB/s (352kB/s)(5060KiB/14735msec) slat (usec): min=644, max=3671, avg=1094.11, stdev=257.93 clat (usec): min=1908, max=162200, avg=60858.29, stdev=12020.31 lat (msec): min=2, max=163, avg=61.95, stdev=12.06 clat percentiles (msec): | 1.00th=[ 38], 5.00th=[ 45], 10.00th=[ 50], 20.00th=[ 53], | 30.00th=[ 55], 40.00th=[ 58], 50.00th=[ 61], 60.00th=[ 63], | 70.00th=[ 66], 80.00th=[ 69], 90.00th=[ 74], 95.00th=[ 79], | 99.00th=[ 100], 99.50th=[ 103], 99.90th=[ 150], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 240, max= 472, per=25.43%, avg=345.31, stdev=56.52, samples=29 iops : min= 60, max= 118, avg=86.28, stdev=14.12, samples=29 write: IOPS=87, BW=352KiB/s (360kB/s)(5180KiB/14735msec) slat (usec): min=13, max=352, avg=52.99, stdev=29.60 clat (msec): min=57, max=237, avg=121.01, stdev=29.80 lat (msec): min=57, max=237, avg=121.06, stdev=29.80 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 78], 10.00th=[ 84], 20.00th=[ 94], | 30.00th=[ 104], 40.00th=[ 112], 50.00th=[ 120], 60.00th=[ 128], | 70.00th=[ 138], 80.00th=[ 146], 90.00th=[ 161], 95.00th=[ 174], | 99.00th=[ 201], 99.50th=[ 209], 99.90th=[ 220], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 272, max= 440, per=24.83%, avg=351.10, stdev=45.96, samples=29 iops : min= 68, max= 110, avg=87.72, stdev=11.56, samples=29 lat (msec) : 2=0.04%, 4=0.08%, 20=0.16%, 50=5.78%, 100=56.68% lat (msec) : 250=37.27% cpu : usr=0.25%, sys=1.51%, ctx=3211, 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=1359KiB/s (1391kB/s), 337KiB/s-343KiB/s (345kB/s-352kB/s), io=19.6MiB (20.5MB), run=14714-14772msec WRITE: bw=1414KiB/s (1448kB/s), 352KiB/s-357KiB/s (360kB/s-366kB/s), io=20.4MiB (21.4MB), run=14714-14772msec 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=9912: Tue Apr 8 02:02:20 2025 read: IOPS=8, BW=336MiB/s (352MB/s)(40.0MiB/119msec) slat (nsec): min=5627.4k, max=5627.4k, avg=5627431.00, stdev= 0.00 clat (nsec): min=105884k, max=105884k, avg=105883862.00, stdev= 0.00 lat (nsec): min=111520k, max=111520k, avg=111519721.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 106], 10.00th=[ 106], 20.00th=[ 106], | 30.00th=[ 106], 40.00th=[ 106], 50.00th=[ 106], 60.00th=[ 106], | 70.00th=[ 106], 80.00th=[ 106], 90.00th=[ 106], 95.00th=[ 106], | 99.00th=[ 106], 99.50th=[ 106], 99.90th=[ 106], 99.95th=[ 106], | 99.99th=[ 106] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=4.24%, ctx=18, 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=336MiB/s (352MB/s), 336MiB/s-336MiB/s (352MB/s-352MB/s), io=40.0MiB (41.9MB), run=119-119msec 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