== sanity test 398c: run fio to test AIO ================= 10:23:45 (1761143025) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.155572 s, 270 MB/s osc.lustre-OST0000-osc-ffff9e38de896000.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=155032: Wed Oct 22 10:24:23 2025 write: IOPS=74, BW=299KiB/s (306kB/s)(10.0MiB/34295msec); 0 zone resets slat (usec): min=24, max=3590, avg=126.59, stdev=93.81 clat (msec): min=30, max=418, avg=214.08, stdev=40.93 lat (msec): min=30, max=418, avg=214.21, stdev=40.94 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 148], 10.00th=[ 167], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 207], 50.00th=[ 215], 60.00th=[ 224], | 70.00th=[ 234], 80.00th=[ 245], 90.00th=[ 264], 95.00th=[ 279], | 99.00th=[ 309], 99.50th=[ 317], 99.90th=[ 418], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 224, max= 512, per=24.94%, avg=297.53, stdev=46.57, samples=68 iops : min= 56, max= 128, avg=74.38, stdev=11.64, samples=68 lat (msec) : 50=0.62%, 100=0.04%, 250=83.24%, 500=16.09% cpu : usr=0.14%, sys=0.84%, ctx=2759, majf=0, minf=9 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=155033: Wed Oct 22 10:24:23 2025 write: IOPS=74, BW=298KiB/s (305kB/s)(10.0MiB/34324msec); 0 zone resets slat (usec): min=24, max=915, avg=121.98, stdev=60.58 clat (msec): min=39, max=447, avg=214.20, stdev=39.31 lat (msec): min=39, max=447, avg=214.32, stdev=39.32 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 157], 10.00th=[ 169], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 207], 50.00th=[ 215], 60.00th=[ 224], | 70.00th=[ 234], 80.00th=[ 245], 90.00th=[ 262], 95.00th=[ 275], | 99.00th=[ 300], 99.50th=[ 309], 99.90th=[ 422], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 224, max= 512, per=24.94%, avg=297.53, stdev=46.24, samples=68 iops : min= 56, max= 128, avg=74.38, stdev=11.56, samples=68 lat (msec) : 50=0.62%, 250=83.67%, 500=15.70% cpu : usr=0.13%, sys=0.82%, ctx=2757, majf=0, minf=8 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=155034: Wed Oct 22 10:24:23 2025 write: IOPS=74, BW=298KiB/s (305kB/s)(10.0MiB/34325msec); 0 zone resets slat (usec): min=29, max=1501, avg=123.45, stdev=68.56 clat (msec): min=58, max=334, avg=214.22, stdev=37.85 lat (msec): min=58, max=334, avg=214.34, stdev=37.85 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 155], 10.00th=[ 167], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 207], 50.00th=[ 218], 60.00th=[ 226], | 70.00th=[ 234], 80.00th=[ 245], 90.00th=[ 259], 95.00th=[ 275], | 99.00th=[ 300], 99.50th=[ 313], 99.90th=[ 321], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 232, max= 512, per=24.93%, avg=297.41, stdev=46.46, samples=68 iops : min= 58, max= 128, avg=74.35, stdev=11.62, samples=68 lat (msec) : 100=0.70%, 250=83.40%, 500=15.90% cpu : usr=0.10%, sys=0.86%, ctx=2791, majf=0, minf=9 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=155035: Wed Oct 22 10:24:23 2025 write: IOPS=74, BW=298KiB/s (305kB/s)(10.0MiB/34324msec); 0 zone resets slat (usec): min=28, max=2824, avg=127.94, stdev=77.60 clat (msec): min=29, max=334, avg=214.18, stdev=38.19 lat (msec): min=30, max=334, avg=214.31, stdev=38.19 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 155], 10.00th=[ 167], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 207], 50.00th=[ 215], 60.00th=[ 224], | 70.00th=[ 234], 80.00th=[ 245], 90.00th=[ 262], 95.00th=[ 275], | 99.00th=[ 305], 99.50th=[ 313], 99.90th=[ 321], 99.95th=[ 321], | 99.99th=[ 334] bw ( KiB/s): min= 232, max= 454, per=24.94%, avg=297.50, stdev=42.32, samples=68 iops : min= 58, max= 113, avg=74.37, stdev=10.55, samples=68 lat (msec) : 50=0.08%, 100=0.66%, 250=83.55%, 500=15.70% cpu : usr=0.17%, sys=0.84%, ctx=2795, majf=0, minf=9 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=1193KiB/s (1222kB/s), 298KiB/s-299KiB/s (305kB/s-306kB/s), io=40.0MiB (41.9MB), run=34295-34325msec 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=155049: Wed Oct 22 10:24:51 2025 read: IOPS=52, BW=208KiB/s (213kB/s)(5048KiB/24242msec) slat (usec): min=1115, max=6388, avg=2665.11, stdev=876.38 clat (msec): min=3, max=167, avg=95.71, stdev=17.90 lat (msec): min=6, max=170, avg=98.38, stdev=18.05 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 68], 10.00th=[ 75], 20.00th=[ 83], | 30.00th=[ 88], 40.00th=[ 93], 50.00th=[ 96], 60.00th=[ 101], | 70.00th=[ 105], 80.00th=[ 110], 90.00th=[ 117], 95.00th=[ 125], | 99.00th=[ 138], 99.50th=[ 146], 99.90th=[ 165], 99.95th=[ 167], | 99.99th=[ 167] bw ( KiB/s): min= 120, max= 280, per=25.16%, avg=208.10, stdev=40.61, samples=48 iops : min= 30, max= 70, avg=52.02, stdev=10.15, samples=48 write: IOPS=53, BW=214KiB/s (219kB/s)(5192KiB/24242msec); 0 zone resets slat (usec): min=37, max=608, avg=117.42, stdev=60.04 clat (msec): min=74, max=322, avg=202.46, stdev=43.51 lat (msec): min=74, max=322, avg=202.57, stdev=43.51 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 133], 10.00th=[ 146], 20.00th=[ 165], | 30.00th=[ 176], 40.00th=[ 188], 50.00th=[ 201], 60.00th=[ 215], | 70.00th=[ 228], 80.00th=[ 243], 90.00th=[ 259], 95.00th=[ 275], | 99.00th=[ 309], 99.50th=[ 317], 99.90th=[ 317], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 168, max= 312, per=24.81%, avg=213.60, stdev=32.44, samples=48 iops : min= 42, max= 78, avg=53.40, stdev= 8.11, samples=48 lat (msec) : 4=0.04%, 20=0.16%, 50=0.27%, 100=29.77%, 250=62.19% lat (msec) : 500=7.58% cpu : usr=0.17%, sys=1.48%, ctx=4884, 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=155050: Wed Oct 22 10:24:51 2025 read: IOPS=51, BW=206KiB/s (210kB/s)(4976KiB/24213msec) slat (usec): min=1113, max=8033, avg=2686.55, stdev=884.61 clat (msec): min=2, max=233, avg=96.02, stdev=19.53 lat (msec): min=5, max=236, avg=98.71, stdev=19.67 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 68], 10.00th=[ 75], 20.00th=[ 82], | 30.00th=[ 87], 40.00th=[ 92], 50.00th=[ 96], 60.00th=[ 101], | 70.00th=[ 105], 80.00th=[ 110], 90.00th=[ 120], 95.00th=[ 126], | 99.00th=[ 150], 99.50th=[ 159], 99.90th=[ 230], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 112, max= 336, per=24.79%, avg=204.98, stdev=53.53, samples=48 iops : min= 28, max= 84, avg=51.23, stdev=13.38, samples=48 write: IOPS=54, BW=217KiB/s (223kB/s)(5264KiB/24213msec); 0 zone resets slat (usec): min=36, max=431, avg=118.09, stdev=57.99 clat (msec): min=43, max=325, avg=200.55, stdev=44.41 lat (msec): min=44, max=325, avg=200.67, stdev=44.41 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 130], 10.00th=[ 144], 20.00th=[ 163], | 30.00th=[ 178], 40.00th=[ 190], 50.00th=[ 201], 60.00th=[ 213], | 70.00th=[ 226], 80.00th=[ 239], 90.00th=[ 257], 95.00th=[ 275], | 99.00th=[ 296], 99.50th=[ 305], 99.90th=[ 321], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 152, max= 304, per=25.17%, avg=216.75, stdev=39.62, samples=48 iops : min= 38, max= 76, avg=54.19, stdev= 9.91, samples=48 lat (msec) : 4=0.04%, 10=0.04%, 20=0.04%, 50=0.43%, 100=29.10% lat (msec) : 250=63.79%, 500=6.56% cpu : usr=0.17%, sys=1.49%, ctx=4936, 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=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=155051: Wed Oct 22 10:24:51 2025 read: IOPS=51, BW=206KiB/s (211kB/s)(4984KiB/24213msec) slat (usec): min=23, max=6895, avg=2685.21, stdev=872.16 clat (msec): min=2, max=211, avg=96.08, stdev=18.18 lat (msec): min=5, max=213, avg=98.77, stdev=18.33 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 69], 10.00th=[ 75], 20.00th=[ 83], | 30.00th=[ 88], 40.00th=[ 92], 50.00th=[ 97], 60.00th=[ 101], | 70.00th=[ 106], 80.00th=[ 110], 90.00th=[ 118], 95.00th=[ 126], | 99.00th=[ 136], 99.50th=[ 140], 99.90th=[ 163], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 112, max= 336, per=24.91%, avg=206.04, stdev=50.40, samples=48 iops : min= 28, max= 84, avg=51.50, stdev=12.59, samples=48 write: IOPS=54, BW=217KiB/s (222kB/s)(5256KiB/24213msec); 0 zone resets slat (usec): min=24, max=731, avg=117.27, stdev=62.29 clat (msec): min=32, max=320, avg=200.83, stdev=44.84 lat (msec): min=32, max=320, avg=200.95, stdev=44.84 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 132], 10.00th=[ 144], 20.00th=[ 163], | 30.00th=[ 176], 40.00th=[ 190], 50.00th=[ 203], 60.00th=[ 213], | 70.00th=[ 226], 80.00th=[ 241], 90.00th=[ 259], 95.00th=[ 271], | 99.00th=[ 305], 99.50th=[ 309], 99.90th=[ 317], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 152, max= 288, per=25.03%, avg=215.52, stdev=35.20, samples=48 iops : min= 38, max= 72, avg=53.88, stdev= 8.79, samples=48 lat (msec) : 4=0.04%, 10=0.08%, 20=0.08%, 50=0.74%, 100=28.32% lat (msec) : 250=63.36%, 500=7.38% cpu : usr=0.16%, sys=1.49%, ctx=4857, 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=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=155052: Wed Oct 22 10:24:51 2025 read: IOPS=52, BW=209KiB/s (214kB/s)(5060KiB/24213msec) slat (usec): min=1141, max=6533, avg=2686.88, stdev=869.58 clat (msec): min=2, max=289, avg=96.14, stdev=21.11 lat (msec): min=6, max=291, avg=98.83, stdev=21.26 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 67], 10.00th=[ 75], 20.00th=[ 83], | 30.00th=[ 88], 40.00th=[ 92], 50.00th=[ 96], 60.00th=[ 101], | 70.00th=[ 105], 80.00th=[ 110], 90.00th=[ 118], 95.00th=[ 127], | 99.00th=[ 150], 99.50th=[ 182], 99.90th=[ 241], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 104, max= 288, per=25.23%, avg=208.65, stdev=39.02, samples=48 iops : min= 26, max= 72, avg=52.15, stdev= 9.76, samples=48 write: IOPS=53, BW=214KiB/s (219kB/s)(5180KiB/24213msec); 0 zone resets slat (usec): min=28, max=456, avg=119.13, stdev=60.39 clat (msec): min=65, max=348, avg=201.93, stdev=43.35 lat (msec): min=65, max=348, avg=202.05, stdev=43.35 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 133], 10.00th=[ 144], 20.00th=[ 167], | 30.00th=[ 178], 40.00th=[ 190], 50.00th=[ 201], 60.00th=[ 213], | 70.00th=[ 226], 80.00th=[ 243], 90.00th=[ 259], 95.00th=[ 271], | 99.00th=[ 296], 99.50th=[ 309], 99.90th=[ 347], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 160, max= 272, per=24.78%, avg=213.35, stdev=30.59, samples=48 iops : min= 40, max= 68, avg=53.33, stdev= 7.64, samples=48 lat (msec) : 4=0.04%, 10=0.04%, 20=0.23%, 50=0.39%, 100=29.38% lat (msec) : 250=62.34%, 500=7.58% cpu : usr=0.21%, sys=1.46%, ctx=4853, 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=828KiB/s (848kB/s), 206KiB/s-209KiB/s (210kB/s-214kB/s), io=19.6MiB (20.5MB), run=24213-24242msec WRITE: bw=862KiB/s (882kB/s), 214KiB/s-217KiB/s (219kB/s-223kB/s), io=20.4MiB (21.4MB), run=24213-24242msec 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=155059: Wed Oct 22 10:24:54 2025 read: IOPS=8, BW=333MiB/s (350MB/s)(40.0MiB/120msec) slat (nsec): min=10956k, max=10956k, avg=10955611.00, stdev= 0.00 clat (nsec): min=102676k, max=102676k, avg=102675841.00, stdev= 0.00 lat (nsec): min=113636k, max=113636k, avg=113636087.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 103], 10.00th=[ 103], 20.00th=[ 103], | 30.00th=[ 103], 40.00th=[ 103], 50.00th=[ 103], 60.00th=[ 103], | 70.00th=[ 103], 80.00th=[ 103], 90.00th=[ 103], 95.00th=[ 103], | 99.00th=[ 103], 99.50th=[ 103], 99.90th=[ 103], 99.95th=[ 103], | 99.99th=[ 103] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=8.40%, ctx=44, 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=333MiB/s (350MB/s), 333MiB/s-333MiB/s (350MB/s-350MB/s), io=40.0MiB (41.9MB), run=120-120msec 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