== sanity test 398c: run fio to test AIO ================= 14:38:38 (1758825518) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.163441 s, 257 MB/s osc.lustre-OST0000-osc-ffff9bf9a9bba000.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=153200: Thu Sep 25 14:39:14 2025 write: IOPS=79, BW=316KiB/s (324kB/s)(10.0MiB/32356msec); 0 zone resets slat (usec): min=25, max=644, avg=141.53, stdev=68.03 clat (msec): min=66, max=333, avg=201.84, stdev=41.48 lat (msec): min=66, max=333, avg=201.98, stdev=41.49 clat percentiles (msec): | 1.00th=[ 78], 5.00th=[ 136], 10.00th=[ 153], 20.00th=[ 169], | 30.00th=[ 182], 40.00th=[ 190], 50.00th=[ 201], 60.00th=[ 209], | 70.00th=[ 222], 80.00th=[ 236], 90.00th=[ 257], 95.00th=[ 271], | 99.00th=[ 296], 99.50th=[ 313], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 334] bw ( KiB/s): min= 232, max= 522, per=24.94%, avg=315.50, stdev=51.69, samples=64 iops : min= 58, max= 130, avg=78.86, stdev=12.89, samples=64 lat (msec) : 100=1.45%, 250=85.70%, 500=12.85% cpu : usr=0.18%, sys=1.03%, ctx=2721, 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=153201: Thu Sep 25 14:39:14 2025 write: IOPS=79, BW=317KiB/s (325kB/s)(10.0MiB/32271msec); 0 zone resets slat (usec): min=24, max=462, avg=135.70, stdev=66.87 clat (msec): min=35, max=338, avg=201.45, stdev=42.67 lat (msec): min=35, max=338, avg=201.59, stdev=42.68 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 138], 10.00th=[ 153], 20.00th=[ 169], | 30.00th=[ 182], 40.00th=[ 192], 50.00th=[ 201], 60.00th=[ 209], | 70.00th=[ 222], 80.00th=[ 239], 90.00th=[ 257], 95.00th=[ 271], | 99.00th=[ 292], 99.50th=[ 305], 99.90th=[ 330], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 232, max= 618, per=24.96%, avg=315.75, stdev=58.65, samples=64 iops : min= 58, max= 154, avg=78.92, stdev=14.62, samples=64 lat (msec) : 50=0.62%, 100=0.70%, 250=85.08%, 500=13.59% cpu : usr=0.16%, sys=1.02%, ctx=2598, 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=153202: Thu Sep 25 14:39:14 2025 write: IOPS=79, BW=317KiB/s (324kB/s)(10.0MiB/32344msec); 0 zone resets slat (usec): min=29, max=508, avg=140.13, stdev=65.68 clat (msec): min=57, max=341, avg=201.78, stdev=41.54 lat (msec): min=57, max=341, avg=201.92, stdev=41.55 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 136], 10.00th=[ 153], 20.00th=[ 169], | 30.00th=[ 182], 40.00th=[ 192], 50.00th=[ 201], 60.00th=[ 209], | 70.00th=[ 224], 80.00th=[ 239], 90.00th=[ 255], 95.00th=[ 271], | 99.00th=[ 296], 99.50th=[ 305], 99.90th=[ 330], 99.95th=[ 334], | 99.99th=[ 342] bw ( KiB/s): min= 232, max= 522, per=24.94%, avg=315.50, stdev=50.70, samples=64 iops : min= 58, max= 130, avg=78.86, stdev=12.64, samples=64 lat (msec) : 100=1.48%, 250=85.70%, 500=12.81% cpu : usr=0.18%, sys=1.04%, ctx=2695, 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=153203: Thu Sep 25 14:39:14 2025 write: IOPS=79, BW=317KiB/s (324kB/s)(10.0MiB/32332msec); 0 zone resets slat (usec): min=26, max=698, avg=144.48, stdev=66.58 clat (msec): min=33, max=328, avg=201.74, stdev=42.53 lat (msec): min=33, max=328, avg=201.88, stdev=42.54 clat percentiles (msec): | 1.00th=[ 74], 5.00th=[ 136], 10.00th=[ 153], 20.00th=[ 169], | 30.00th=[ 182], 40.00th=[ 192], 50.00th=[ 201], 60.00th=[ 209], | 70.00th=[ 224], 80.00th=[ 239], 90.00th=[ 257], 95.00th=[ 271], | 99.00th=[ 296], 99.50th=[ 305], 99.90th=[ 326], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 240, max= 560, per=24.97%, avg=315.84, stdev=53.56, samples=64 iops : min= 60, max= 140, avg=78.95, stdev=13.39, samples=64 lat (msec) : 50=0.31%, 100=1.45%, 250=84.53%, 500=13.71% cpu : usr=0.17%, sys=1.07%, ctx=2753, 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=1266KiB/s (1296kB/s), 316KiB/s-317KiB/s (324kB/s-325kB/s), io=40.0MiB (41.9MB), run=32271-32356msec 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=153217: Thu Sep 25 14:39:38 2025 read: IOPS=60, BW=241KiB/s (247kB/s)(5048KiB/20961msec) slat (usec): min=1140, max=7788, avg=2603.73, stdev=848.03 clat (msec): min=2, max=129, avg=83.91, stdev=14.27 lat (msec): min=5, max=131, avg=86.52, stdev=14.33 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 63], 10.00th=[ 68], 20.00th=[ 73], | 30.00th=[ 78], 40.00th=[ 82], 50.00th=[ 85], 60.00th=[ 88], | 70.00th=[ 90], 80.00th=[ 96], 90.00th=[ 102], 95.00th=[ 106], | 99.00th=[ 121], 99.50th=[ 122], 99.90th=[ 129], 99.95th=[ 130], | 99.99th=[ 130] bw ( KiB/s): min= 160, max= 384, per=25.19%, avg=241.07, stdev=46.42, samples=41 iops : min= 40, max= 96, avg=60.27, stdev=11.60, samples=41 write: IOPS=61, BW=248KiB/s (254kB/s)(5192KiB/20961msec); 0 zone resets slat (usec): min=38, max=2383, avg=128.61, stdev=92.49 clat (msec): min=46, max=306, avg=173.51, stdev=37.33 lat (msec): min=46, max=306, avg=173.64, stdev=37.33 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 117], 10.00th=[ 127], 20.00th=[ 142], | 30.00th=[ 153], 40.00th=[ 163], 50.00th=[ 174], 60.00th=[ 182], | 70.00th=[ 192], 80.00th=[ 205], 90.00th=[ 222], 95.00th=[ 236], | 99.00th=[ 275], 99.50th=[ 284], 99.90th=[ 300], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 187, max= 312, per=24.83%, avg=247.29, stdev=24.19, samples=41 iops : min= 46, max= 78, avg=61.80, stdev= 6.10, samples=41 lat (msec) : 4=0.08%, 20=0.27%, 50=0.08%, 100=44.14%, 250=54.22% lat (msec) : 500=1.21% cpu : usr=0.21%, sys=1.89%, ctx=4853, 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=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=153218: Thu Sep 25 14:39:38 2025 read: IOPS=59, BW=237KiB/s (243kB/s)(4976KiB/20961msec) slat (usec): min=1166, max=6446, avg=2595.90, stdev=812.79 clat (msec): min=3, max=212, avg=83.40, stdev=16.18 lat (msec): min=6, max=216, avg=86.00, stdev=16.25 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 62], 10.00th=[ 67], 20.00th=[ 72], | 30.00th=[ 77], 40.00th=[ 80], 50.00th=[ 84], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 95], 90.00th=[ 103], 95.00th=[ 107], | 99.00th=[ 121], 99.50th=[ 153], 99.90th=[ 211], 99.95th=[ 213], | 99.99th=[ 213] bw ( KiB/s): min= 128, max= 368, per=24.87%, avg=238.00, stdev=49.60, samples=41 iops : min= 32, max= 92, avg=59.49, stdev=12.41, samples=41 write: IOPS=62, BW=251KiB/s (257kB/s)(5264KiB/20961msec); 0 zone resets slat (usec): min=39, max=3396, avg=124.12, stdev=109.22 clat (msec): min=73, max=299, avg=172.73, stdev=37.33 lat (msec): min=73, max=299, avg=172.86, stdev=37.33 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 115], 10.00th=[ 130], 20.00th=[ 142], | 30.00th=[ 153], 40.00th=[ 161], 50.00th=[ 171], 60.00th=[ 182], | 70.00th=[ 192], 80.00th=[ 205], 90.00th=[ 220], 95.00th=[ 236], | 99.00th=[ 275], 99.50th=[ 284], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 192, max= 328, per=25.31%, avg=252.12, stdev=34.42, samples=41 iops : min= 48, max= 82, avg=63.02, stdev= 8.62, samples=41 lat (msec) : 4=0.04%, 10=0.12%, 20=0.12%, 50=0.16%, 100=42.93% lat (msec) : 250=55.20%, 500=1.45% cpu : usr=0.21%, sys=1.85%, ctx=4724, 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=153219: Thu Sep 25 14:39:38 2025 read: IOPS=59, BW=239KiB/s (244kB/s)(4984KiB/20896msec) slat (usec): min=25, max=6179, avg=2609.34, stdev=842.18 clat (msec): min=3, max=233, avg=83.08, stdev=16.46 lat (msec): min=6, max=236, avg=85.69, stdev=16.55 clat percentiles (msec): | 1.00th=[ 20], 5.00th=[ 61], 10.00th=[ 67], 20.00th=[ 72], | 30.00th=[ 77], 40.00th=[ 81], 50.00th=[ 84], 60.00th=[ 87], | 70.00th=[ 91], 80.00th=[ 95], 90.00th=[ 102], 95.00th=[ 107], | 99.00th=[ 118], 99.50th=[ 123], 99.90th=[ 207], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 144, max= 328, per=25.17%, avg=240.83, stdev=47.58, samples=41 iops : min= 36, max= 82, avg=60.20, stdev=11.89, samples=41 write: IOPS=62, BW=252KiB/s (258kB/s)(5256KiB/20896msec); 0 zone resets slat (usec): min=24, max=2409, avg=126.15, stdev=91.09 clat (msec): min=48, max=336, avg=172.79, stdev=39.17 lat (msec): min=48, max=336, avg=172.92, stdev=39.17 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 114], 10.00th=[ 127], 20.00th=[ 140], | 30.00th=[ 153], 40.00th=[ 163], 50.00th=[ 171], 60.00th=[ 182], | 70.00th=[ 192], 80.00th=[ 207], 90.00th=[ 222], 95.00th=[ 236], | 99.00th=[ 275], 99.50th=[ 292], 99.90th=[ 309], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 200, max= 312, per=25.20%, avg=250.98, stdev=27.24, samples=41 iops : min= 50, max= 78, avg=62.73, stdev= 6.81, samples=41 lat (msec) : 4=0.04%, 10=0.12%, 20=0.39%, 50=0.47%, 100=42.85% lat (msec) : 250=54.84%, 500=1.29% cpu : usr=0.21%, sys=1.89%, ctx=4743, 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=153220: Thu Sep 25 14:39:38 2025 read: IOPS=60, BW=242KiB/s (247kB/s)(5060KiB/20936msec) slat (usec): min=1162, max=7825, avg=2557.05, stdev=816.39 clat (msec): min=5, max=260, avg=84.07, stdev=17.85 lat (msec): min=8, max=263, avg=86.63, stdev=17.91 clat percentiles (msec): | 1.00th=[ 20], 5.00th=[ 63], 10.00th=[ 68], 20.00th=[ 73], | 30.00th=[ 78], 40.00th=[ 81], 50.00th=[ 84], 60.00th=[ 88], | 70.00th=[ 91], 80.00th=[ 96], 90.00th=[ 103], 95.00th=[ 107], | 99.00th=[ 120], 99.50th=[ 128], 99.90th=[ 257], 99.95th=[ 262], | 99.99th=[ 262] bw ( KiB/s): min= 144, max= 344, per=25.51%, avg=244.10, stdev=43.71, samples=41 iops : min= 36, max= 86, avg=61.02, stdev=10.93, samples=41 write: IOPS=61, BW=247KiB/s (253kB/s)(5180KiB/20936msec); 0 zone resets slat (usec): min=37, max=511, avg=125.85, stdev=66.61 clat (msec): min=68, max=396, avg=173.19, stdev=39.62 lat (msec): min=68, max=396, avg=173.32, stdev=39.63 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 113], 10.00th=[ 129], 20.00th=[ 142], | 30.00th=[ 153], 40.00th=[ 161], 50.00th=[ 169], 60.00th=[ 180], | 70.00th=[ 190], 80.00th=[ 205], 90.00th=[ 220], 95.00th=[ 239], | 99.00th=[ 288], 99.50th=[ 380], 99.90th=[ 397], 99.95th=[ 397], | 99.99th=[ 397] bw ( KiB/s): min= 174, max= 312, per=24.95%, avg=248.54, stdev=30.45, samples=41 iops : min= 43, max= 78, avg=62.12, stdev= 7.64, samples=41 lat (msec) : 10=0.08%, 20=0.51%, 50=0.31%, 100=43.09%, 250=54.61% lat (msec) : 500=1.41% cpu : usr=0.26%, sys=1.82%, ctx=4807, 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=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=957KiB/s (980kB/s), 237KiB/s-242KiB/s (243kB/s-247kB/s), io=19.6MiB (20.5MB), run=20896-20961msec WRITE: bw=997KiB/s (1021kB/s), 247KiB/s-252KiB/s (253kB/s-258kB/s), io=20.4MiB (21.4MB), run=20896-20961msec 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=153226: Thu Sep 25 14:39:42 2025 read: IOPS=9, BW=367MiB/s (385MB/s)(40.0MiB/109msec) slat (nsec): min=9538.7k, max=9538.7k, avg=9538730.00, stdev= 0.00 clat (nsec): min=93877k, max=93877k, avg=93876670.00, stdev= 0.00 lat (nsec): min=103429k, max=103429k, avg=103428983.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[93848], 5.00th=[93848], 10.00th=[93848], 20.00th=[93848], | 30.00th=[93848], 40.00th=[93848], 50.00th=[93848], 60.00th=[93848], | 70.00th=[93848], 80.00th=[93848], 90.00th=[93848], 95.00th=[93848], | 99.00th=[93848], 99.50th=[93848], 99.90th=[93848], 99.95th=[93848], | 99.99th=[93848] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=7.41%, ctx=41, 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=367MiB/s (385MB/s), 367MiB/s-367MiB/s (385MB/s-385MB/s), io=40.0MiB (41.9MB), run=109-109msec 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