== sanity test 398c: run fio to test AIO ================= 21:01:37 (1763344897) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.405801 s, 103 MB/s osc.lustre-OST0000-osc-ffff97ddd1154800.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=183952: Sun Nov 16 21:02:11 2025 write: IOPS=100, BW=403KiB/s (412kB/s)(10.0MiB/25434msec); 0 zone resets slat (usec): min=27, max=14189, avg=159.00, stdev=507.82 clat (msec): min=15, max=296, avg=158.16, stdev=33.70 lat (msec): min=15, max=296, avg=158.32, stdev=33.70 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 111], 10.00th=[ 122], 20.00th=[ 131], | 30.00th=[ 140], 40.00th=[ 148], 50.00th=[ 155], 60.00th=[ 163], | 70.00th=[ 171], 80.00th=[ 182], 90.00th=[ 201], 95.00th=[ 224], | 99.00th=[ 257], 99.50th=[ 268], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 272, max= 554, per=24.94%, avg=401.08, stdev=64.76, samples=50 iops : min= 68, max= 138, avg=99.98, stdev=16.22, samples=50 lat (msec) : 20=0.04%, 50=0.23%, 100=2.30%, 250=96.02%, 500=1.41% cpu : usr=0.21%, sys=1.12%, ctx=2933, 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=183953: Sun Nov 16 21:02:11 2025 write: IOPS=100, BW=402KiB/s (412kB/s)(10.0MiB/25467msec); 0 zone resets slat (usec): min=26, max=10276, avg=137.09, stdev=401.01 clat (msec): min=15, max=295, avg=158.43, stdev=33.49 lat (msec): min=16, max=295, avg=158.57, stdev=33.48 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 112], 10.00th=[ 120], 20.00th=[ 132], | 30.00th=[ 140], 40.00th=[ 148], 50.00th=[ 155], 60.00th=[ 163], | 70.00th=[ 171], 80.00th=[ 184], 90.00th=[ 207], 95.00th=[ 224], | 99.00th=[ 253], 99.50th=[ 262], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 278, max= 514, per=25.00%, avg=401.94, stdev=64.09, samples=50 iops : min= 69, max= 128, avg=100.18, stdev=16.09, samples=50 lat (msec) : 20=0.04%, 50=0.08%, 100=1.05%, 250=97.58%, 500=1.25% cpu : usr=0.16%, sys=1.01%, ctx=2471, 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=183954: Sun Nov 16 21:02:11 2025 write: IOPS=101, BW=405KiB/s (415kB/s)(10.0MiB/25277msec); 0 zone resets slat (usec): min=27, max=14120, avg=149.35, stdev=476.32 clat (msec): min=28, max=295, avg=157.66, stdev=33.85 lat (msec): min=28, max=296, avg=157.81, stdev=33.82 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 111], 10.00th=[ 123], 20.00th=[ 133], | 30.00th=[ 140], 40.00th=[ 148], 50.00th=[ 153], 60.00th=[ 161], | 70.00th=[ 169], 80.00th=[ 184], 90.00th=[ 203], 95.00th=[ 224], | 99.00th=[ 257], 99.50th=[ 268], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 296] bw ( KiB/s): min= 261, max= 584, per=25.04%, avg=402.66, stdev=73.20, samples=50 iops : min= 65, max= 146, avg=100.34, stdev=18.33, samples=50 lat (msec) : 50=0.20%, 100=2.93%, 250=95.66%, 500=1.21% cpu : usr=0.21%, sys=1.13%, ctx=3012, 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=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=183955: Sun Nov 16 21:02:11 2025 write: IOPS=100, BW=403KiB/s (412kB/s)(10.0MiB/25427msec); 0 zone resets slat (usec): min=27, max=7573, avg=153.41, stdev=434.89 clat (msec): min=25, max=296, avg=158.24, stdev=33.59 lat (msec): min=25, max=296, avg=158.40, stdev=33.59 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 109], 10.00th=[ 121], 20.00th=[ 131], | 30.00th=[ 140], 40.00th=[ 146], 50.00th=[ 155], 60.00th=[ 161], | 70.00th=[ 174], 80.00th=[ 184], 90.00th=[ 205], 95.00th=[ 226], | 99.00th=[ 255], 99.50th=[ 257], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 263, max= 522, per=25.04%, avg=402.64, stdev=68.79, samples=50 iops : min= 65, max= 130, avg=100.36, stdev=17.30, samples=50 lat (msec) : 50=0.12%, 100=1.72%, 250=97.15%, 500=1.02% cpu : usr=0.14%, sys=1.08%, ctx=2789, 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=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=1608KiB/s (1647kB/s), 402KiB/s-405KiB/s (412kB/s-415kB/s), io=40.0MiB (41.9MB), run=25277-25467msec 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=183971: Sun Nov 16 21:02:44 2025 read: IOPS=50, BW=202KiB/s (207kB/s)(5048KiB/25020msec) slat (usec): min=31, max=35818, avg=10696.38, stdev=4817.38 clat (msec): min=32, max=287, avg=147.54, stdev=34.09 lat (msec): min=32, max=322, avg=158.24, stdev=35.45 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 101], 10.00th=[ 107], 20.00th=[ 120], | 30.00th=[ 128], 40.00th=[ 136], 50.00th=[ 146], 60.00th=[ 157], | 70.00th=[ 165], 80.00th=[ 176], 90.00th=[ 192], 95.00th=[ 205], | 99.00th=[ 245], 99.50th=[ 257], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 103, max= 264, per=25.23%, avg=201.31, stdev=37.40, samples=49 iops : min= 25, max= 66, avg=49.90, stdev= 9.38, samples=49 write: IOPS=51, BW=208KiB/s (212kB/s)(5192KiB/25020msec); 0 zone resets slat (usec): min=29, max=8895, avg=173.74, stdev=392.60 clat (msec): min=30, max=281, avg=153.98, stdev=32.90 lat (msec): min=30, max=281, avg=154.15, stdev=32.91 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 105], 10.00th=[ 117], 20.00th=[ 128], | 30.00th=[ 136], 40.00th=[ 142], 50.00th=[ 150], 60.00th=[ 161], | 70.00th=[ 169], 80.00th=[ 178], 90.00th=[ 197], 95.00th=[ 215], | 99.00th=[ 249], 99.50th=[ 259], 99.90th=[ 275], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 126, max= 312, per=24.96%, avg=207.39, stdev=38.80, samples=49 iops : min= 31, max= 78, avg=51.43, stdev= 9.74, samples=49 lat (msec) : 50=0.20%, 100=4.18%, 250=94.88%, 500=0.74% cpu : usr=0.25%, sys=1.96%, ctx=4555, 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=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=183972: Sun Nov 16 21:02:44 2025 read: IOPS=49, BW=198KiB/s (203kB/s)(4976KiB/25129msec) slat (usec): min=2376, max=44674, avg=10580.31, stdev=4647.66 clat (msec): min=40, max=264, avg=147.43, stdev=32.08 lat (msec): min=50, max=274, avg=158.02, stdev=32.81 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 101], 10.00th=[ 108], 20.00th=[ 120], | 30.00th=[ 130], 40.00th=[ 138], 50.00th=[ 146], 60.00th=[ 155], | 70.00th=[ 163], 80.00th=[ 174], 90.00th=[ 186], 95.00th=[ 203], | 99.00th=[ 247], 99.50th=[ 259], 99.90th=[ 264], 99.95th=[ 266], | 99.99th=[ 266] bw ( KiB/s): min= 95, max= 270, per=24.74%, avg=197.39, stdev=36.96, samples=49 iops : min= 23, max= 67, avg=48.90, stdev= 9.24, samples=49 write: IOPS=52, BW=209KiB/s (215kB/s)(5264KiB/25129msec); 0 zone resets slat (usec): min=29, max=7256, avg=190.48, stdev=466.72 clat (msec): min=41, max=268, avg=154.47, stdev=31.52 lat (msec): min=41, max=268, avg=154.66, stdev=31.54 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 107], 10.00th=[ 116], 20.00th=[ 129], | 30.00th=[ 138], 40.00th=[ 144], 50.00th=[ 153], 60.00th=[ 159], | 70.00th=[ 169], 80.00th=[ 180], 90.00th=[ 199], 95.00th=[ 213], | 99.00th=[ 241], 99.50th=[ 245], 99.90th=[ 266], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 144, max= 304, per=25.28%, avg=210.10, stdev=39.52, samples=49 iops : min= 36, max= 76, avg=52.12, stdev= 9.97, samples=49 lat (msec) : 50=0.12%, 100=3.52%, 250=95.78%, 500=0.59% cpu : usr=0.27%, sys=1.97%, ctx=4693, 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=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=183973: Sun Nov 16 21:02:44 2025 read: IOPS=49, BW=198KiB/s (203kB/s)(4984KiB/25128msec) slat (usec): min=2353, max=37418, avg=10606.17, stdev=4643.37 clat (msec): min=26, max=285, avg=148.42, stdev=31.44 lat (msec): min=30, max=291, avg=159.03, stdev=32.42 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 102], 10.00th=[ 110], 20.00th=[ 122], | 30.00th=[ 131], 40.00th=[ 140], 50.00th=[ 148], 60.00th=[ 157], | 70.00th=[ 165], 80.00th=[ 174], 90.00th=[ 188], 95.00th=[ 203], | 99.00th=[ 232], 99.50th=[ 243], 99.90th=[ 259], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 135, max= 280, per=24.87%, avg=198.47, stdev=33.77, samples=49 iops : min= 33, max= 70, avg=49.18, stdev= 8.54, samples=49 write: IOPS=52, BW=209KiB/s (214kB/s)(5256KiB/25128msec); 0 zone resets slat (usec): min=34, max=17750, avg=189.34, stdev=634.29 clat (msec): min=44, max=289, avg=153.26, stdev=30.67 lat (msec): min=44, max=289, avg=153.45, stdev=30.70 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 108], 10.00th=[ 117], 20.00th=[ 127], | 30.00th=[ 136], 40.00th=[ 144], 50.00th=[ 153], 60.00th=[ 159], | 70.00th=[ 169], 80.00th=[ 178], 90.00th=[ 192], 95.00th=[ 207], | 99.00th=[ 234], 99.50th=[ 245], 99.90th=[ 284], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 111, max= 286, per=25.07%, avg=208.37, stdev=38.41, samples=49 iops : min= 27, max= 71, avg=51.67, stdev= 9.64, samples=49 lat (msec) : 50=0.12%, 100=3.36%, 250=96.17%, 500=0.35% cpu : usr=0.29%, sys=1.92%, ctx=4870, 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=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=183974: Sun Nov 16 21:02:44 2025 read: IOPS=50, BW=201KiB/s (206kB/s)(5060KiB/25121msec) slat (usec): min=2257, max=45208, avg=10598.71, stdev=4658.57 clat (msec): min=47, max=261, avg=147.81, stdev=30.97 lat (msec): min=57, max=274, avg=158.42, stdev=31.85 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 102], 10.00th=[ 109], 20.00th=[ 122], | 30.00th=[ 130], 40.00th=[ 138], 50.00th=[ 146], 60.00th=[ 155], | 70.00th=[ 163], 80.00th=[ 174], 90.00th=[ 188], 95.00th=[ 201], | 99.00th=[ 224], 99.50th=[ 241], 99.90th=[ 259], 99.95th=[ 262], | 99.99th=[ 262] bw ( KiB/s): min= 119, max= 296, per=25.24%, avg=201.43, stdev=36.28, samples=49 iops : min= 29, max= 74, avg=49.94, stdev= 9.11, samples=49 write: IOPS=51, BW=206KiB/s (211kB/s)(5180KiB/25121msec); 0 zone resets slat (usec): min=32, max=7407, avg=172.15, stdev=385.78 clat (msec): min=77, max=279, avg=153.98, stdev=32.41 lat (msec): min=77, max=279, avg=154.16, stdev=32.41 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 106], 10.00th=[ 116], 20.00th=[ 127], | 30.00th=[ 136], 40.00th=[ 144], 50.00th=[ 150], 60.00th=[ 159], | 70.00th=[ 169], 80.00th=[ 180], 90.00th=[ 197], 95.00th=[ 211], | 99.00th=[ 255], 99.50th=[ 259], 99.90th=[ 268], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 118, max= 336, per=24.74%, avg=205.61, stdev=39.39, samples=49 iops : min= 29, max= 84, avg=51.00, stdev= 9.90, samples=49 lat (msec) : 50=0.04%, 100=3.79%, 250=95.47%, 500=0.70% cpu : usr=0.29%, sys=2.06%, ctx=4793, majf=0, minf=15 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=799KiB/s (818kB/s), 198KiB/s-202KiB/s (203kB/s-207kB/s), io=19.6MiB (20.5MB), run=25020-25129msec WRITE: bw=831KiB/s (851kB/s), 206KiB/s-209KiB/s (211kB/s-215kB/s), io=20.4MiB (21.4MB), run=25020-25129msec 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=183982: Sun Nov 16 21:02:53 2025 read: IOPS=2, BW=112MiB/s (117MB/s)(40.0MiB/358msec) slat (nsec): min=41039k, max=41039k, avg=41038628.00, stdev= 0.00 clat (nsec): min=303049k, max=303049k, avg=303049494.00, stdev= 0.00 lat (nsec): min=344092k, max=344092k, avg=344092254.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 305], 5.00th=[ 305], 10.00th=[ 305], 20.00th=[ 305], | 30.00th=[ 305], 40.00th=[ 305], 50.00th=[ 305], 60.00th=[ 305], | 70.00th=[ 305], 80.00th=[ 305], 90.00th=[ 305], 95.00th=[ 305], | 99.00th=[ 305], 99.50th=[ 305], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=1.68%, ctx=14, majf=0, minf=9 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=112MiB/s (117MB/s), 112MiB/s-112MiB/s (117MB/s-117MB/s), io=40.0MiB (41.9MB), run=358-358msec 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