== sanity test 398c: run fio to test AIO ================= 02:45:36 (1761288336) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.293939 s, 143 MB/s osc.lustre-OST0000-osc-ffff896cd843a800.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=148704: Fri Oct 24 02:47:56 2025 write: IOPS=19, BW=76.5KiB/s (78.4kB/s)(10.0MiB/133799msec); 0 zone resets slat (usec): min=27, max=7603, avg=163.52, stdev=389.01 clat (msec): min=189, max=2156, avg=835.52, stdev=357.35 lat (msec): min=190, max=2156, avg=835.68, stdev=357.35 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 355], 10.00th=[ 439], 20.00th=[ 527], | 30.00th=[ 600], 40.00th=[ 667], 50.00th=[ 743], 60.00th=[ 877], | 70.00th=[ 995], 80.00th=[ 1183], 90.00th=[ 1334], 95.00th=[ 1469], | 99.00th=[ 1770], 99.50th=[ 1972], 99.90th=[ 2072], 99.95th=[ 2072], | 99.99th=[ 2165] bw ( KiB/s): min= 8, max= 256, per=24.84%, avg=76.01, stdev=39.95, samples=265 iops : min= 2, max= 64, avg=18.48, stdev=10.08, samples=265 lat (msec) : 250=1.72%, 500=14.26%, 750=35.55%, 1000=18.83%, 2000=29.30% lat (msec) : >=2000=0.35% cpu : usr=0.05%, sys=0.28%, ctx=2091, 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=148705: Fri Oct 24 02:47:56 2025 write: IOPS=19, BW=76.6KiB/s (78.4kB/s)(10.0MiB/133739msec); 0 zone resets slat (usec): min=27, max=12275, avg=166.78, stdev=426.39 clat (msec): min=210, max=2155, avg=834.97, stdev=358.66 lat (msec): min=210, max=2155, avg=835.15, stdev=358.67 clat percentiles (msec): | 1.00th=[ 230], 5.00th=[ 384], 10.00th=[ 439], 20.00th=[ 535], | 30.00th=[ 600], 40.00th=[ 659], 50.00th=[ 751], 60.00th=[ 860], | 70.00th=[ 995], 80.00th=[ 1167], 90.00th=[ 1351], 95.00th=[ 1502], | 99.00th=[ 1737], 99.50th=[ 1871], 99.90th=[ 2106], 99.95th=[ 2106], | 99.99th=[ 2165] bw ( KiB/s): min= 15, max= 262, per=24.83%, avg=75.99, stdev=37.88, samples=265 iops : min= 3, max= 65, avg=18.48, stdev= 9.56, samples=265 lat (msec) : 250=1.80%, 500=14.02%, 750=34.22%, 1000=20.39%, 2000=29.26% lat (msec) : >=2000=0.31% cpu : usr=0.06%, sys=0.28%, ctx=2055, 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=148706: Fri Oct 24 02:47:56 2025 write: IOPS=19, BW=76.8KiB/s (78.6kB/s)(10.0MiB/133367msec); 0 zone resets slat (usec): min=28, max=9253, avg=169.97, stdev=381.13 clat (msec): min=64, max=2137, avg=833.00, stdev=362.65 lat (msec): min=64, max=2137, avg=833.17, stdev=362.65 clat percentiles (msec): | 1.00th=[ 207], 5.00th=[ 355], 10.00th=[ 435], 20.00th=[ 527], | 30.00th=[ 592], 40.00th=[ 659], 50.00th=[ 751], 60.00th=[ 860], | 70.00th=[ 986], 80.00th=[ 1183], 90.00th=[ 1368], 95.00th=[ 1485], | 99.00th=[ 1754], 99.50th=[ 1921], 99.90th=[ 2072], 99.95th=[ 2140], | 99.99th=[ 2140] bw ( KiB/s): min= 7, max= 278, per=24.91%, avg=76.22, stdev=39.95, samples=264 iops : min= 1, max= 69, avg=18.53, stdev=10.06, samples=264 lat (msec) : 100=0.20%, 250=1.60%, 500=14.49%, 750=33.79%, 1000=20.70% lat (msec) : 2000=28.95%, >=2000=0.27% cpu : usr=0.06%, sys=0.29%, ctx=2185, 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=148707: Fri Oct 24 02:47:56 2025 write: IOPS=19, BW=76.5KiB/s (78.4kB/s)(10.0MiB/133799msec); 0 zone resets slat (usec): min=24, max=8747, avg=166.94, stdev=478.74 clat (msec): min=190, max=2096, avg=835.47, stdev=358.19 lat (msec): min=191, max=2096, avg=835.64, stdev=358.23 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 359], 10.00th=[ 451], 20.00th=[ 527], | 30.00th=[ 600], 40.00th=[ 659], 50.00th=[ 751], 60.00th=[ 869], | 70.00th=[ 995], 80.00th=[ 1183], 90.00th=[ 1351], 95.00th=[ 1469], | 99.00th=[ 1787], 99.50th=[ 1921], 99.90th=[ 2039], 99.95th=[ 2039], | 99.99th=[ 2089] bw ( KiB/s): min= 7, max= 256, per=24.93%, avg=76.30, stdev=39.87, samples=264 iops : min= 1, max= 64, avg=18.55, stdev=10.06, samples=264 lat (msec) : 250=1.80%, 500=14.53%, 750=33.87%, 1000=20.16%, 2000=29.34% lat (msec) : >=2000=0.31% cpu : usr=0.05%, sys=0.29%, ctx=1694, 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 Run status group 0 (all jobs): WRITE: bw=306KiB/s (313kB/s), 76.5KiB/s-76.8KiB/s (78.4kB/s-78.6kB/s), io=40.0MiB (41.9MB), run=133367-133799msec 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=148737: Fri Oct 24 02:49:43 2025 read: IOPS=12, BW=50.5KiB/s (51.7kB/s)(5048KiB/99903msec) slat (usec): min=35, max=66769, avg=11775.54, stdev=5365.62 clat (msec): min=41, max=1143, avg=391.75, stdev=94.16 lat (msec): min=47, max=1151, avg=403.54, stdev=94.83 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 264], 10.00th=[ 288], 20.00th=[ 321], | 30.00th=[ 351], 40.00th=[ 368], 50.00th=[ 384], 60.00th=[ 405], | 70.00th=[ 435], 80.00th=[ 460], 90.00th=[ 502], 95.00th=[ 550], | 99.00th=[ 634], 99.50th=[ 693], 99.90th=[ 902], 99.95th=[ 1150], | 99.99th=[ 1150] bw ( KiB/s): min= 7, max= 111, per=25.15%, avg=50.04, stdev=20.94, samples=198 iops : min= 1, max= 27, avg=12.01, stdev= 5.21, samples=198 write: IOPS=12, BW=51.0KiB/s (53.2kB/s)(5192KiB/99903msec); 0 zone resets slat (usec): min=28, max=5248, avg=228.84, stdev=460.43 clat (msec): min=121, max=1707, avg=837.80, stdev=200.21 lat (msec): min=121, max=1707, avg=838.03, stdev=200.21 clat percentiles (msec): | 1.00th=[ 401], 5.00th=[ 523], 10.00th=[ 600], 20.00th=[ 684], | 30.00th=[ 735], 40.00th=[ 785], 50.00th=[ 827], 60.00th=[ 877], | 70.00th=[ 936], 80.00th=[ 995], 90.00th=[ 1099], 95.00th=[ 1167], | 99.00th=[ 1334], 99.50th=[ 1469], 99.90th=[ 1703], 99.95th=[ 1703], | 99.99th=[ 1703] bw ( KiB/s): min= 7, max= 111, per=24.79%, avg=51.32, stdev=21.08, samples=198 iops : min= 1, max= 27, avg=12.32, stdev= 5.31, samples=198 lat (msec) : 50=0.04%, 100=0.20%, 250=1.80%, 500=43.95%, 750=19.80% lat (msec) : 1000=24.26%, 2000=9.96% cpu : usr=0.08%, sys=0.69%, ctx=4411, 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=148738: Fri Oct 24 02:49:43 2025 read: IOPS=12, BW=49.5KiB/s (50.7kB/s)(4976KiB/100496msec) slat (usec): min=2566, max=49236, avg=12137.02, stdev=5512.65 clat (msec): min=12, max=753, avg=394.18, stdev=90.25 lat (msec): min=18, max=773, avg=406.33, stdev=90.75 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 266], 10.00th=[ 288], 20.00th=[ 321], | 30.00th=[ 351], 40.00th=[ 372], 50.00th=[ 388], 60.00th=[ 409], | 70.00th=[ 430], 80.00th=[ 464], 90.00th=[ 506], 95.00th=[ 550], | 99.00th=[ 651], 99.50th=[ 693], 99.90th=[ 735], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 7, max= 120, per=24.46%, avg=48.67, stdev=21.89, samples=199 iops : min= 1, max= 30, avg=11.66, stdev= 5.47, samples=199 write: IOPS=13, BW=52.4KiB/s (53.6kB/s)(5264KiB/100496msec); 0 zone resets slat (usec): min=28, max=6513, avg=228.04, stdev=494.84 clat (msec): min=94, max=1509, avg=835.77, stdev=194.67 lat (msec): min=94, max=1509, avg=836.00, stdev=194.65 clat percentiles (msec): | 1.00th=[ 363], 5.00th=[ 523], 10.00th=[ 600], 20.00th=[ 684], | 30.00th=[ 735], 40.00th=[ 776], 50.00th=[ 835], 60.00th=[ 885], | 70.00th=[ 936], 80.00th=[ 995], 90.00th=[ 1083], 95.00th=[ 1150], | 99.00th=[ 1301], 99.50th=[ 1368], 99.90th=[ 1485], 99.95th=[ 1502], | 99.99th=[ 1502] bw ( KiB/s): min= 7, max= 111, per=25.01%, avg=51.77, stdev=19.89, samples=199 iops : min= 1, max= 27, avg=12.44, stdev= 5.00, samples=199 lat (msec) : 20=0.08%, 50=0.04%, 100=0.23%, 250=1.37%, 500=43.59% lat (msec) : 750=20.39%, 1000=24.49%, 2000=9.80% cpu : usr=0.10%, sys=0.70%, ctx=3968, 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=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=148739: Fri Oct 24 02:49:43 2025 read: IOPS=12, BW=49.6KiB/s (50.8kB/s)(4984KiB/100458msec) slat (usec): min=2743, max=49712, avg=11883.99, stdev=5265.02 clat (msec): min=34, max=758, avg=391.83, stdev=84.99 lat (msec): min=43, max=776, avg=403.73, stdev=85.30 clat percentiles (msec): | 1.00th=[ 234], 5.00th=[ 271], 10.00th=[ 296], 20.00th=[ 326], | 30.00th=[ 347], 40.00th=[ 368], 50.00th=[ 384], 60.00th=[ 405], | 70.00th=[ 430], 80.00th=[ 456], 90.00th=[ 502], 95.00th=[ 542], | 99.00th=[ 634], 99.50th=[ 659], 99.90th=[ 743], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 7, max= 127, per=24.59%, avg=48.92, stdev=23.00, samples=199 iops : min= 1, max= 31, avg=11.72, stdev= 5.78, samples=199 write: IOPS=13, BW=52.3KiB/s (53.6kB/s)(5256KiB/100458msec); 0 zone resets slat (usec): min=31, max=10743, avg=256.30, stdev=614.42 clat (msec): min=195, max=1601, avg=837.99, stdev=196.42 lat (msec): min=195, max=1601, avg=838.25, stdev=196.42 clat percentiles (msec): | 1.00th=[ 372], 5.00th=[ 502], 10.00th=[ 600], 20.00th=[ 684], | 30.00th=[ 743], 40.00th=[ 785], 50.00th=[ 835], 60.00th=[ 885], | 70.00th=[ 936], 80.00th=[ 995], 90.00th=[ 1083], 95.00th=[ 1167], | 99.00th=[ 1284], 99.50th=[ 1368], 99.90th=[ 1586], 99.95th=[ 1603], | 99.99th=[ 1603] bw ( KiB/s): min= 7, max= 104, per=24.99%, avg=51.73, stdev=19.37, samples=198 iops : min= 1, max= 26, avg=12.43, stdev= 4.82, samples=198 lat (msec) : 50=0.08%, 100=0.20%, 250=1.02%, 500=44.96%, 750=18.44% lat (msec) : 1000=25.27%, 2000=10.04% cpu : usr=0.10%, sys=0.70%, ctx=4639, 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=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=148740: Fri Oct 24 02:49:43 2025 read: IOPS=12, BW=50.6KiB/s (51.8kB/s)(5060KiB/100018msec) slat (usec): min=2565, max=50565, avg=11832.67, stdev=5438.74 clat (msec): min=23, max=825, avg=395.18, stdev=87.24 lat (msec): min=34, max=833, avg=407.02, stdev=87.76 clat percentiles (msec): | 1.00th=[ 218], 5.00th=[ 268], 10.00th=[ 296], 20.00th=[ 326], | 30.00th=[ 351], 40.00th=[ 372], 50.00th=[ 388], 60.00th=[ 409], | 70.00th=[ 435], 80.00th=[ 464], 90.00th=[ 506], 95.00th=[ 542], | 99.00th=[ 642], 99.50th=[ 676], 99.90th=[ 751], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 7, max= 127, per=25.37%, avg=50.48, stdev=20.30, samples=197 iops : min= 1, max= 31, avg=12.11, stdev= 5.14, samples=197 write: IOPS=12, BW=51.8KiB/s (53.0kB/s)(5180KiB/100018msec); 0 zone resets slat (usec): min=30, max=9761, avg=218.23, stdev=526.50 clat (msec): min=95, max=1529, avg=835.78, stdev=192.86 lat (msec): min=95, max=1529, avg=836.01, stdev=192.85 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 518], 10.00th=[ 600], 20.00th=[ 684], | 30.00th=[ 735], 40.00th=[ 785], 50.00th=[ 827], 60.00th=[ 877], | 70.00th=[ 927], 80.00th=[ 986], 90.00th=[ 1083], 95.00th=[ 1150], | 99.00th=[ 1368], 99.50th=[ 1385], 99.90th=[ 1502], 99.95th=[ 1536], | 99.99th=[ 1536] bw ( KiB/s): min= 7, max= 111, per=24.59%, avg=50.90, stdev=19.39, samples=199 iops : min= 1, max= 27, avg=12.22, stdev= 4.81, samples=199 lat (msec) : 50=0.16%, 100=0.16%, 250=1.29%, 500=44.34%, 750=20.12% lat (msec) : 1000=24.80%, 2000=9.14% cpu : usr=0.08%, sys=0.74%, ctx=4619, 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=200KiB/s (204kB/s), 49.5KiB/s-50.6KiB/s (50.7kB/s-51.8kB/s), io=19.6MiB (20.5MB), run=99903-100496msec WRITE: bw=208KiB/s (213kB/s), 51.8KiB/s-52.4KiB/s (53.0kB/s-53.6kB/s), io=20.4MiB (21.4MB), run=99903-100496msec 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=148759: Fri Oct 24 02:49:51 2025 read: IOPS=2, BW=92.4MiB/s (96.9MB/s)(40.0MiB/433msec) slat (nsec): min=20685k, max=20685k, avg=20685357.00, stdev= 0.00 clat (nsec): min=392222k, max=392222k, avg=392222125.00, stdev= 0.00 lat (nsec): min=412913k, max=412913k, avg=412912954.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 393], 10.00th=[ 393], 20.00th=[ 393], | 30.00th=[ 393], 40.00th=[ 393], 50.00th=[ 393], 60.00th=[ 393], | 70.00th=[ 393], 80.00th=[ 393], 90.00th=[ 393], 95.00th=[ 393], | 99.00th=[ 393], 99.50th=[ 393], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=3.01%, ctx=42, 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=92.4MiB/s (96.9MB/s), 92.4MiB/s-92.4MiB/s (96.9MB/s-96.9MB/s), io=40.0MiB (41.9MB), run=433-433msec 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