== sanity test 398c: run fio to test AIO ================= 16:04:28 (1764795868) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.417169 s, 101 MB/s osc.lustre-OST0000-osc-ffff8e576867b000.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-3.19 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=184476: Wed Dec 3 16:05:07 2025 write: IOPS=81, BW=324KiB/s (332kB/s)(10.0MiB/31577msec); 0 zone resets slat (usec): min=27, max=22692, avg=224.32, stdev=900.57 clat (msec): min=37, max=386, avg=196.96, stdev=46.44 lat (msec): min=37, max=386, avg=197.18, stdev=46.48 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 126], 10.00th=[ 144], 20.00th=[ 163], | 30.00th=[ 174], 40.00th=[ 184], 50.00th=[ 194], 60.00th=[ 205], | 70.00th=[ 220], 80.00th=[ 234], 90.00th=[ 253], 95.00th=[ 271], | 99.00th=[ 338], 99.50th=[ 351], 99.90th=[ 363], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 214, max= 543, per=25.05%, avg=323.18, stdev=60.60, samples=62 iops : min= 53, max= 135, avg=80.40, stdev=15.13, samples=62 lat (msec) : 50=0.12%, 100=1.52%, 250=87.50%, 500=10.86% cpu : usr=0.16%, sys=1.05%, ctx=2181, majf=0, minf=10 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=184477: Wed Dec 3 16:05:07 2025 write: IOPS=80, BW=323KiB/s (330kB/s)(10.0MiB/31734msec); 0 zone resets slat (usec): min=28, max=11267, avg=192.13, stdev=686.42 clat (msec): min=18, max=417, avg=197.51, stdev=45.56 lat (msec): min=18, max=417, avg=197.71, stdev=45.56 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 129], 10.00th=[ 144], 20.00th=[ 163], | 30.00th=[ 171], 40.00th=[ 182], 50.00th=[ 194], 60.00th=[ 209], | 70.00th=[ 222], 80.00th=[ 234], 90.00th=[ 255], 95.00th=[ 271], | 99.00th=[ 305], 99.50th=[ 363], 99.90th=[ 380], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 135, max= 458, per=24.99%, avg=322.35, stdev=60.44, samples=62 iops : min= 33, max= 114, avg=80.19, stdev=15.13, samples=62 lat (msec) : 20=0.04%, 100=1.21%, 250=87.15%, 500=11.60% cpu : usr=0.17%, sys=0.89%, ctx=2434, majf=0, minf=10 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=184478: Wed Dec 3 16:05:07 2025 write: IOPS=80, BW=323KiB/s (331kB/s)(10.0MiB/31682msec); 0 zone resets slat (usec): min=28, max=12422, avg=207.22, stdev=679.17 clat (msec): min=16, max=410, avg=196.92, stdev=46.54 lat (msec): min=17, max=410, avg=197.13, stdev=46.54 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 128], 10.00th=[ 142], 20.00th=[ 161], | 30.00th=[ 176], 40.00th=[ 184], 50.00th=[ 192], 60.00th=[ 205], | 70.00th=[ 220], 80.00th=[ 236], 90.00th=[ 253], 95.00th=[ 271], | 99.00th=[ 313], 99.50th=[ 380], 99.90th=[ 397], 99.95th=[ 397], | 99.99th=[ 409] bw ( KiB/s): min= 151, max= 445, per=24.96%, avg=321.98, stdev=58.35, samples=62 iops : min= 37, max= 111, avg=80.10, stdev=14.60, samples=62 lat (msec) : 20=0.04%, 50=0.31%, 100=0.94%, 250=86.99%, 500=11.72% cpu : usr=0.18%, sys=0.91%, ctx=2514, majf=0, minf=11 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=184479: Wed Dec 3 16:05:07 2025 write: IOPS=81, BW=325KiB/s (333kB/s)(10.0MiB/31510msec); 0 zone resets slat (usec): min=26, max=11809, avg=177.78, stdev=541.44 clat (msec): min=19, max=416, avg=196.26, stdev=47.70 lat (msec): min=19, max=416, avg=196.44, stdev=47.70 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 124], 10.00th=[ 142], 20.00th=[ 161], | 30.00th=[ 174], 40.00th=[ 182], 50.00th=[ 194], 60.00th=[ 207], | 70.00th=[ 220], 80.00th=[ 232], 90.00th=[ 253], 95.00th=[ 275], | 99.00th=[ 334], 99.50th=[ 384], 99.90th=[ 418], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 175, max= 523, per=25.11%, avg=323.94, stdev=63.62, samples=62 iops : min= 43, max= 130, avg=80.58, stdev=15.90, samples=62 lat (msec) : 20=0.04%, 50=0.39%, 100=1.05%, 250=86.37%, 500=12.15% cpu : usr=0.17%, sys=0.97%, ctx=2247, majf=0, minf=11 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=1291KiB/s (1322kB/s), 323KiB/s-325KiB/s (330kB/s-333kB/s), io=40.0MiB (41.9MB), run=31510-31734msec 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-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=184494: Wed Dec 3 16:05:53 2025 read: IOPS=38, BW=154KiB/s (158kB/s)(5048KiB/32738msec) slat (usec): min=36, max=77706, avg=13745.16, stdev=7084.23 clat (msec): min=20, max=404, avg=194.23, stdev=55.69 lat (msec): min=21, max=436, avg=207.98, stdev=57.96 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 121], 10.00th=[ 133], 20.00th=[ 148], | 30.00th=[ 163], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 199], | 70.00th=[ 215], 80.00th=[ 236], 90.00th=[ 271], 95.00th=[ 296], | 99.00th=[ 359], 99.50th=[ 384], 99.90th=[ 401], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 71, max= 246, per=25.34%, avg=153.53, stdev=44.54, samples=64 iops : min= 17, max= 61, avg=37.88, stdev=11.12, samples=64 write: IOPS=39, BW=159KiB/s (162kB/s)(5192KiB/32738msec); 0 zone resets slat (usec): min=35, max=7703, avg=216.30, stdev=488.84 clat (msec): min=30, max=422, avg=200.35, stdev=54.90 lat (msec): min=30, max=422, avg=200.57, stdev=54.89 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 128], 10.00th=[ 140], 20.00th=[ 157], | 30.00th=[ 169], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 205], | 70.00th=[ 220], 80.00th=[ 247], 90.00th=[ 275], 95.00th=[ 300], | 99.00th=[ 372], 99.50th=[ 376], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 80, max= 254, per=25.06%, avg=158.14, stdev=39.80, samples=64 iops : min= 20, max= 63, avg=39.05, stdev= 9.88, samples=64 lat (msec) : 50=0.23%, 100=0.94%, 250=82.50%, 500=16.33% cpu : usr=0.31%, sys=1.72%, ctx=4728, majf=0, minf=13 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=184495: Wed Dec 3 16:05:53 2025 read: IOPS=37, BW=151KiB/s (154kB/s)(4976KiB/33024msec) slat (usec): min=3380, max=79471, avg=14139.29, stdev=7692.69 clat (msec): min=82, max=409, avg=193.90, stdev=56.18 lat (msec): min=90, max=425, avg=208.04, stdev=58.67 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 116], 10.00th=[ 132], 20.00th=[ 148], | 30.00th=[ 163], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 215], 80.00th=[ 236], 90.00th=[ 271], 95.00th=[ 300], | 99.00th=[ 368], 99.50th=[ 380], 99.90th=[ 401], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 28, max= 255, per=24.83%, avg=150.48, stdev=46.51, samples=65 iops : min= 7, max= 63, avg=37.12, stdev=11.57, samples=65 write: IOPS=39, BW=159KiB/s (163kB/s)(5264KiB/33024msec); 0 zone resets slat (usec): min=31, max=9351, avg=244.15, stdev=675.07 clat (msec): min=84, max=434, avg=201.85, stdev=55.49 lat (msec): min=84, max=434, avg=202.10, stdev=55.45 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 127], 10.00th=[ 140], 20.00th=[ 157], | 30.00th=[ 169], 40.00th=[ 180], 50.00th=[ 192], 60.00th=[ 207], | 70.00th=[ 226], 80.00th=[ 247], 90.00th=[ 275], 95.00th=[ 305], | 99.00th=[ 368], 99.50th=[ 405], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 72, max= 255, per=25.25%, avg=159.31, stdev=45.02, samples=65 iops : min= 18, max= 63, avg=39.31, stdev=11.20, samples=65 lat (msec) : 100=0.98%, 250=81.76%, 500=17.27% cpu : usr=0.25%, sys=1.83%, ctx=4283, majf=0, minf=12 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=184496: Wed Dec 3 16:05:53 2025 read: IOPS=37, BW=151KiB/s (155kB/s)(4984KiB/32899msec) slat (usec): min=2559, max=88347, avg=14179.88, stdev=7223.73 clat (msec): min=68, max=426, avg=194.77, stdev=56.54 lat (msec): min=79, max=439, avg=208.96, stdev=59.16 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 118], 10.00th=[ 130], 20.00th=[ 146], | 30.00th=[ 161], 40.00th=[ 174], 50.00th=[ 186], 60.00th=[ 201], | 70.00th=[ 220], 80.00th=[ 239], 90.00th=[ 271], 95.00th=[ 296], | 99.00th=[ 368], 99.50th=[ 388], 99.90th=[ 418], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 33, max= 254, per=24.93%, avg=151.09, stdev=45.44, samples=64 iops : min= 8, max= 63, avg=37.28, stdev=11.33, samples=64 write: IOPS=39, BW=160KiB/s (164kB/s)(5256KiB/32899msec); 0 zone resets slat (usec): min=35, max=13754, avg=256.46, stdev=743.86 clat (msec): min=43, max=405, avg=198.31, stdev=54.74 lat (msec): min=43, max=407, avg=198.56, stdev=54.72 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 127], 10.00th=[ 138], 20.00th=[ 155], | 30.00th=[ 167], 40.00th=[ 176], 50.00th=[ 188], 60.00th=[ 203], | 70.00th=[ 222], 80.00th=[ 243], 90.00th=[ 271], 95.00th=[ 305], | 99.00th=[ 355], 99.50th=[ 376], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 44, max= 239, per=25.15%, avg=158.69, stdev=50.10, samples=64 iops : min= 11, max= 59, avg=39.17, stdev=12.45, samples=64 lat (msec) : 50=0.04%, 100=1.05%, 250=82.38%, 500=16.52% cpu : usr=0.31%, sys=1.86%, ctx=4687, majf=0, minf=12 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=184497: Wed Dec 3 16:05:53 2025 read: IOPS=38, BW=153KiB/s (157kB/s)(5060KiB/33092msec) slat (usec): min=55, max=206696, avg=13935.39, stdev=10265.20 clat (msec): min=6, max=568, avg=194.23, stdev=64.74 lat (msec): min=24, max=593, avg=208.17, stdev=67.50 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 114], 10.00th=[ 128], 20.00th=[ 146], | 30.00th=[ 161], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 215], 80.00th=[ 239], 90.00th=[ 279], 95.00th=[ 309], | 99.00th=[ 384], 99.50th=[ 510], 99.90th=[ 558], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 39, max= 270, per=25.02%, avg=151.63, stdev=45.63, samples=65 iops : min= 9, max= 67, avg=37.40, stdev=11.35, samples=65 write: IOPS=39, BW=157KiB/s (160kB/s)(5180KiB/33092msec); 0 zone resets slat (usec): min=34, max=13247, avg=254.44, stdev=778.41 clat (msec): min=30, max=590, avg=201.85, stdev=63.03 lat (msec): min=30, max=590, avg=202.10, stdev=63.03 clat percentiles (msec): | 1.00th=[ 74], 5.00th=[ 127], 10.00th=[ 140], 20.00th=[ 157], | 30.00th=[ 169], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 203], | 70.00th=[ 224], 80.00th=[ 245], 90.00th=[ 279], 95.00th=[ 305], | 99.00th=[ 414], 99.50th=[ 510], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 23, max= 256, per=24.51%, avg=154.63, stdev=48.49, samples=65 iops : min= 5, max= 64, avg=38.15, stdev=12.09, samples=65 lat (msec) : 10=0.04%, 20=0.04%, 50=0.86%, 100=1.45%, 250=79.88% lat (msec) : 500=17.19%, 750=0.55% cpu : usr=0.25%, sys=1.80%, ctx=4450, majf=0, minf=14 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=606KiB/s (621kB/s), 151KiB/s-154KiB/s (154kB/s-158kB/s), io=19.6MiB (20.5MB), run=32738-33092msec WRITE: bw=631KiB/s (646kB/s), 157KiB/s-160KiB/s (160kB/s-164kB/s), io=20.4MiB (21.4MB), run=32738-33092msec 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-3.19 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=184507: Wed Dec 3 16:06:00 2025 read: IOPS=2, BW=88.5MiB/s (92.8MB/s)(40.0MiB/452msec) slat (nsec): min=20076k, max=20076k, avg=20075662.00, stdev= 0.00 clat (nsec): min=421657k, max=421657k, avg=421656851.00, stdev= 0.00 lat (nsec): min=441737k, max=441737k, avg=441737173.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 422], 5.00th=[ 422], 10.00th=[ 422], 20.00th=[ 422], | 30.00th=[ 422], 40.00th=[ 422], 50.00th=[ 422], 60.00th=[ 422], | 70.00th=[ 422], 80.00th=[ 422], 90.00th=[ 422], 95.00th=[ 422], | 99.00th=[ 422], 99.50th=[ 422], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] lat (msec) : 500=100.00% cpu : usr=0.22%, sys=2.66%, ctx=10, majf=0, minf=8 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=88.5MiB/s (92.8MB/s), 88.5MiB/s-88.5MiB/s (92.8MB/s-92.8MB/s), io=40.0MiB (41.9MB), run=452-452msec 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