== sanity test 398c: run fio to test AIO ================= 20:09:56 (1763341796) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.37198 s, 113 MB/s osc.lustre-OST0000-osc-ffffa0b8a6c4d000.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=148878: Sun Nov 16 20:12:45 2025 write: IOPS=15, BW=63.9KiB/s (65.4kB/s)(10.0MiB/160300msec); 0 zone resets slat (usec): min=26, max=9315, avg=176.73, stdev=460.53 clat (msec): min=176, max=2017, avg=1000.97, stdev=235.94 lat (msec): min=176, max=2017, avg=1001.15, stdev=235.95 clat percentiles (msec): | 1.00th=[ 321], 5.00th=[ 634], 10.00th=[ 735], 20.00th=[ 827], | 30.00th=[ 894], 40.00th=[ 953], 50.00th=[ 995], 60.00th=[ 1053], | 70.00th=[ 1099], 80.00th=[ 1183], 90.00th=[ 1301], 95.00th=[ 1385], | 99.00th=[ 1586], 99.50th=[ 1703], 99.90th=[ 1938], 99.95th=[ 2022], | 99.99th=[ 2022] bw ( KiB/s): min= 7, max= 191, per=25.04%, avg=63.84, stdev=28.68, samples=315 iops : min= 1, max= 47, avg=15.47, stdev= 7.19, samples=315 lat (msec) : 250=0.62%, 500=2.15%, 750=8.59%, 1000=38.91%, 2000=49.65% lat (msec) : >=2000=0.08% cpu : usr=0.04%, sys=0.24%, ctx=1416, 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=148879: Sun Nov 16 20:12:45 2025 write: IOPS=15, BW=63.9KiB/s (65.5kB/s)(10.0MiB/160179msec); 0 zone resets slat (usec): min=27, max=11373, avg=211.37, stdev=627.21 clat (msec): min=90, max=1823, avg=1000.27, stdev=241.28 lat (msec): min=90, max=1823, avg=1000.49, stdev=241.30 clat percentiles (msec): | 1.00th=[ 197], 5.00th=[ 600], 10.00th=[ 743], 20.00th=[ 827], | 30.00th=[ 894], 40.00th=[ 953], 50.00th=[ 1003], 60.00th=[ 1053], | 70.00th=[ 1099], 80.00th=[ 1183], 90.00th=[ 1284], 95.00th=[ 1385], | 99.00th=[ 1620], 99.50th=[ 1703], 99.90th=[ 1770], 99.95th=[ 1821], | 99.99th=[ 1821] bw ( KiB/s): min= 7, max= 232, per=24.96%, avg=63.64, stdev=31.00, samples=316 iops : min= 1, max= 58, avg=15.41, stdev= 7.79, samples=316 lat (msec) : 100=0.04%, 250=1.25%, 500=1.45%, 750=8.24%, 1000=38.59% lat (msec) : 2000=50.43% cpu : usr=0.05%, sys=0.26%, ctx=1652, 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=148880: Sun Nov 16 20:12:45 2025 write: IOPS=16, BW=64.0KiB/s (65.6kB/s)(10.0MiB/159921msec); 0 zone resets slat (usec): min=28, max=12359, avg=204.53, stdev=559.24 clat (msec): min=83, max=2018, avg=998.95, stdev=239.49 lat (msec): min=83, max=2018, avg=999.15, stdev=239.49 clat percentiles (msec): | 1.00th=[ 249], 5.00th=[ 600], 10.00th=[ 726], 20.00th=[ 827], | 30.00th=[ 894], 40.00th=[ 953], 50.00th=[ 1003], 60.00th=[ 1053], | 70.00th=[ 1099], 80.00th=[ 1183], 90.00th=[ 1284], 95.00th=[ 1385], | 99.00th=[ 1569], 99.50th=[ 1653], 99.90th=[ 1888], 99.95th=[ 1938], | 99.99th=[ 2022] bw ( KiB/s): min= 7, max= 231, per=24.88%, avg=63.44, stdev=26.14, samples=317 iops : min= 1, max= 57, avg=15.36, stdev= 6.55, samples=317 lat (msec) : 100=0.12%, 250=0.90%, 500=1.60%, 750=8.95%, 1000=38.24% lat (msec) : 2000=50.16%, >=2000=0.04% cpu : usr=0.05%, sys=0.27%, ctx=1806, 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=148881: Sun Nov 16 20:12:45 2025 write: IOPS=15, BW=63.9KiB/s (65.4kB/s)(10.0MiB/160299msec); 0 zone resets slat (usec): min=28, max=10235, avg=191.56, stdev=523.95 clat (msec): min=156, max=2018, avg=1001.06, stdev=235.18 lat (msec): min=156, max=2018, avg=1001.26, stdev=235.18 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 617], 10.00th=[ 735], 20.00th=[ 827], | 30.00th=[ 902], 40.00th=[ 953], 50.00th=[ 1003], 60.00th=[ 1053], | 70.00th=[ 1099], 80.00th=[ 1183], 90.00th=[ 1301], 95.00th=[ 1368], | 99.00th=[ 1586], 99.50th=[ 1687], 99.90th=[ 1921], 99.95th=[ 1921], | 99.99th=[ 2022] bw ( KiB/s): min= 7, max= 191, per=24.78%, avg=63.19, stdev=27.38, samples=318 iops : min= 1, max= 47, avg=15.31, stdev= 6.86, samples=318 lat (msec) : 250=0.66%, 500=1.84%, 750=9.02%, 1000=38.40%, 2000=50.04% lat (msec) : >=2000=0.04% cpu : usr=0.04%, sys=0.25%, ctx=1571, 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=256KiB/s (262kB/s), 63.9KiB/s-64.0KiB/s (65.4kB/s-65.6kB/s), io=40.0MiB (41.9MB), run=159921-160300msec 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=148915: Sun Nov 16 20:14:17 2025 read: IOPS=14, BW=58.5KiB/s (59.9kB/s)(5048KiB/86320msec) slat (usec): min=2668, max=43554, avg=9739.42, stdev=4536.53 clat (msec): min=8, max=950, avg=343.54, stdev=102.06 lat (msec): min=15, max=961, avg=353.28, stdev=103.63 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 199], 10.00th=[ 228], 20.00th=[ 262], | 30.00th=[ 288], 40.00th=[ 317], 50.00th=[ 338], 60.00th=[ 368], | 70.00th=[ 393], 80.00th=[ 426], 90.00th=[ 468], 95.00th=[ 514], | 99.00th=[ 584], 99.50th=[ 642], 99.90th=[ 852], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 7, max= 135, per=25.20%, avg=57.97, stdev=25.43, samples=171 iops : min= 1, max= 33, avg=13.99, stdev= 6.40, samples=171 write: IOPS=15, BW=60.1KiB/s (61.6kB/s)(5192KiB/86320msec); 0 zone resets slat (usec): min=28, max=4319, avg=205.40, stdev=366.90 clat (msec): min=253, max=1512, avg=718.44, stdev=211.67 lat (msec): min=253, max=1512, avg=718.64, stdev=211.69 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 414], 10.00th=[ 456], 20.00th=[ 535], | 30.00th=[ 600], 40.00th=[ 659], 50.00th=[ 701], 60.00th=[ 751], | 70.00th=[ 802], 80.00th=[ 885], 90.00th=[ 995], 95.00th=[ 1099], | 99.00th=[ 1368], 99.50th=[ 1401], 99.90th=[ 1502], 99.95th=[ 1519], | 99.99th=[ 1519] bw ( KiB/s): min= 15, max= 143, per=24.85%, avg=59.64, stdev=24.52, samples=171 iops : min= 3, max= 35, avg=14.42, stdev= 6.16, samples=171 lat (msec) : 10=0.04%, 20=0.12%, 50=0.12%, 100=0.35%, 250=7.81% lat (msec) : 500=45.74%, 750=25.23%, 1000=15.78%, 2000=4.80% cpu : usr=0.09%, sys=0.77%, ctx=4361, 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=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=148916: Sun Nov 16 20:14:17 2025 read: IOPS=14, BW=57.4KiB/s (58.7kB/s)(4976KiB/86736msec) slat (usec): min=30, max=35466, avg=9581.93, stdev=4453.26 clat (msec): min=6, max=757, avg=339.40, stdev=96.33 lat (msec): min=12, max=770, avg=348.99, stdev=97.86 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 201], 10.00th=[ 230], 20.00th=[ 262], | 30.00th=[ 288], 40.00th=[ 309], 50.00th=[ 330], 60.00th=[ 359], | 70.00th=[ 388], 80.00th=[ 422], 90.00th=[ 460], 95.00th=[ 510], | 99.00th=[ 575], 99.50th=[ 625], 99.90th=[ 701], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 7, max= 143, per=24.67%, avg=56.73, stdev=26.70, samples=172 iops : min= 1, max= 35, avg=13.69, stdev= 6.72, samples=172 write: IOPS=15, BW=60.7KiB/s (62.1kB/s)(5264KiB/86736msec); 0 zone resets slat (usec): min=29, max=6311, avg=235.44, stdev=488.58 clat (msec): min=112, max=1560, avg=723.65, stdev=223.66 lat (msec): min=112, max=1560, avg=723.89, stdev=223.67 clat percentiles (msec): | 1.00th=[ 305], 5.00th=[ 414], 10.00th=[ 472], 20.00th=[ 535], | 30.00th=[ 609], 40.00th=[ 659], 50.00th=[ 701], 60.00th=[ 743], | 70.00th=[ 802], 80.00th=[ 877], 90.00th=[ 1011], 95.00th=[ 1150], | 99.00th=[ 1401], 99.50th=[ 1469], 99.90th=[ 1485], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 15, max= 127, per=25.05%, avg=60.13, stdev=22.29, samples=172 iops : min= 3, max= 31, avg=14.53, stdev= 5.63, samples=172 lat (msec) : 10=0.08%, 50=0.23%, 100=0.16%, 250=8.01%, 500=44.96% lat (msec) : 750=26.76%, 1000=14.18%, 2000=5.62% cpu : usr=0.10%, sys=0.74%, ctx=4356, 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=148917: Sun Nov 16 20:14:17 2025 read: IOPS=14, BW=57.4KiB/s (58.7kB/s)(4984KiB/86880msec) slat (usec): min=2366, max=46541, avg=9671.14, stdev=4620.57 clat (msec): min=12, max=657, avg=340.75, stdev=93.82 lat (msec): min=17, max=675, avg=350.43, stdev=95.30 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 203], 10.00th=[ 228], 20.00th=[ 264], | 30.00th=[ 292], 40.00th=[ 313], 50.00th=[ 338], 60.00th=[ 363], | 70.00th=[ 388], 80.00th=[ 418], 90.00th=[ 460], 95.00th=[ 506], | 99.00th=[ 567], 99.50th=[ 575], 99.90th=[ 651], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 8, max= 128, per=25.06%, avg=57.63, stdev=25.93, samples=170 iops : min= 2, max= 32, avg=13.91, stdev= 6.53, samples=170 write: IOPS=15, BW=60.5KiB/s (61.9kB/s)(5256KiB/86880msec); 0 zone resets slat (usec): min=27, max=10775, avg=203.84, stdev=423.09 clat (msec): min=204, max=1517, avg=723.59, stdev=216.47 lat (msec): min=204, max=1517, avg=723.80, stdev=216.49 clat percentiles (msec): | 1.00th=[ 330], 5.00th=[ 414], 10.00th=[ 464], 20.00th=[ 542], | 30.00th=[ 600], 40.00th=[ 659], 50.00th=[ 709], 60.00th=[ 751], | 70.00th=[ 810], 80.00th=[ 885], 90.00th=[ 1011], 95.00th=[ 1099], | 99.00th=[ 1351], 99.50th=[ 1469], 99.90th=[ 1502], 99.95th=[ 1519], | 99.99th=[ 1519] bw ( KiB/s): min= 15, max= 128, per=24.99%, avg=59.98, stdev=23.99, samples=171 iops : min= 3, max= 32, avg=14.50, stdev= 6.10, samples=171 lat (msec) : 20=0.08%, 50=0.20%, 100=0.27%, 250=7.34%, 500=45.70% lat (msec) : 750=25.59%, 1000=15.08%, 2000=5.74% cpu : usr=0.11%, sys=0.75%, ctx=4410, 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=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=148918: Sun Nov 16 20:14:17 2025 read: IOPS=14, BW=58.5KiB/s (59.9kB/s)(5060KiB/86451msec) slat (usec): min=2265, max=41381, avg=9590.25, stdev=4579.35 clat (msec): min=17, max=703, avg=340.93, stdev=94.71 lat (msec): min=22, max=714, avg=350.52, stdev=96.19 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 205], 10.00th=[ 226], 20.00th=[ 259], | 30.00th=[ 292], 40.00th=[ 309], 50.00th=[ 338], 60.00th=[ 368], | 70.00th=[ 388], 80.00th=[ 418], 90.00th=[ 464], 95.00th=[ 506], | 99.00th=[ 567], 99.50th=[ 592], 99.90th=[ 651], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 8, max= 136, per=25.32%, avg=58.25, stdev=23.90, samples=171 iops : min= 2, max= 34, avg=14.06, stdev= 5.99, samples=171 write: IOPS=14, BW=59.9KiB/s (61.4kB/s)(5180KiB/86451msec); 0 zone resets slat (usec): min=27, max=7790, avg=217.00, stdev=409.82 clat (msec): min=122, max=1561, avg=723.79, stdev=217.48 lat (msec): min=123, max=1561, avg=724.01, stdev=217.49 clat percentiles (msec): | 1.00th=[ 334], 5.00th=[ 409], 10.00th=[ 456], 20.00th=[ 542], | 30.00th=[ 609], 40.00th=[ 659], 50.00th=[ 709], 60.00th=[ 751], | 70.00th=[ 810], 80.00th=[ 885], 90.00th=[ 1011], 95.00th=[ 1133], | 99.00th=[ 1401], 99.50th=[ 1452], 99.90th=[ 1485], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 7, max= 135, per=24.57%, avg=58.97, stdev=24.01, samples=172 iops : min= 1, max= 33, avg=14.24, stdev= 6.08, samples=172 lat (msec) : 20=0.08%, 50=0.16%, 100=0.20%, 250=8.36%, 500=45.27% lat (msec) : 750=25.66%, 1000=15.12%, 2000=5.16% cpu : usr=0.12%, sys=0.74%, ctx=4672, 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=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=231KiB/s (237kB/s), 57.4KiB/s-58.5KiB/s (58.7kB/s-59.9kB/s), io=19.6MiB (20.5MB), run=86320-86880msec WRITE: bw=240KiB/s (246kB/s), 59.9KiB/s-60.7KiB/s (61.4kB/s-62.1kB/s), io=20.4MiB (21.4MB), run=86320-86880msec 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=148934: Sun Nov 16 20:14:24 2025 read: IOPS=2, BW=118MiB/s (124MB/s)(40.0MiB/338msec) slat (nsec): min=13626k, max=13626k, avg=13625814.00, stdev= 0.00 clat (nsec): min=305546k, max=305546k, avg=305545842.00, stdev= 0.00 lat (nsec): min=319206k, max=319206k, avg=319205701.00, 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=3.86%, ctx=43, 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=118MiB/s (124MB/s), 118MiB/s-118MiB/s (124MB/s-124MB/s), io=40.0MiB (41.9MB), run=338-338msec 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