== sanity test 398c: run fio to test AIO ================= 19:41:31 (1746142891) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.184406 s, 227 MB/s osc.lustre-OST0000-osc-ffff8800a8d67000.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-3.7 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=23057: Thu May 1 19:41:46 2025 write: IOPS=195, BW=781KiB/s (800kB/s)(10.0MiB/13114msec) slat (usec): min=12, max=3528, avg=105.75, stdev=262.92 clat (msec): min=12, max=173, avg=81.53, stdev=19.81 lat (msec): min=12, max=173, avg=81.64, stdev=19.82 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 53], 10.00th=[ 59], 20.00th=[ 66], | 30.00th=[ 71], 40.00th=[ 77], 50.00th=[ 80], 60.00th=[ 84], | 70.00th=[ 89], 80.00th=[ 97], 90.00th=[ 107], 95.00th=[ 116], | 99.00th=[ 138], 99.50th=[ 144], 99.90th=[ 174], 99.95th=[ 174], | 99.99th=[ 174] bw ( KiB/s): min= 584, max= 1021, per=25.04%, avg=778.62, stdev=125.28, samples=26 iops : min= 146, max= 255, avg=194.50, stdev=31.30, samples=26 lat (msec) : 20=0.08%, 50=3.87%, 100=80.00%, 250=16.05% cpu : usr=0.43%, sys=2.67%, ctx=848, majf=0, minf=29 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=23058: Thu May 1 19:41:46 2025 write: IOPS=194, BW=778KiB/s (796kB/s)(10.0MiB/13165msec) slat (usec): min=12, max=3990, avg=96.11, stdev=233.79 clat (msec): min=7, max=143, avg=81.68, stdev=19.13 lat (msec): min=7, max=143, avg=81.78, stdev=19.12 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 54], 10.00th=[ 60], 20.00th=[ 66], | 30.00th=[ 71], 40.00th=[ 77], 50.00th=[ 80], 60.00th=[ 84], | 70.00th=[ 89], 80.00th=[ 96], 90.00th=[ 109], 95.00th=[ 117], | 99.00th=[ 132], 99.50th=[ 136], 99.90th=[ 144], 99.95th=[ 144], | 99.99th=[ 144] bw ( KiB/s): min= 512, max= 1024, per=24.92%, avg=774.62, stdev=122.18, samples=26 iops : min= 128, max= 256, avg=193.46, stdev=30.54, samples=26 lat (msec) : 10=0.08%, 20=0.08%, 50=2.58%, 100=80.39%, 250=16.88% cpu : usr=0.28%, sys=2.58%, ctx=901, majf=0, minf=30 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=23059: Thu May 1 19:41:46 2025 write: IOPS=194, BW=780KiB/s (798kB/s)(10.0MiB/13132msec) slat (usec): min=13, max=2921, avg=117.67, stdev=247.59 clat (msec): min=16, max=168, avg=81.59, stdev=19.46 lat (msec): min=16, max=168, avg=81.71, stdev=19.48 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 54], 10.00th=[ 59], 20.00th=[ 65], | 30.00th=[ 71], 40.00th=[ 77], 50.00th=[ 81], 60.00th=[ 84], | 70.00th=[ 89], 80.00th=[ 96], 90.00th=[ 107], 95.00th=[ 117], | 99.00th=[ 138], 99.50th=[ 140], 99.90th=[ 153], 99.95th=[ 153], | 99.99th=[ 169] bw ( KiB/s): min= 570, max= 1016, per=24.96%, avg=775.92, stdev=114.92, samples=26 iops : min= 142, max= 254, avg=193.81, stdev=28.83, samples=26 lat (msec) : 20=0.08%, 50=2.54%, 100=81.41%, 250=15.98% cpu : usr=0.81%, sys=2.83%, ctx=1306, majf=0, minf=30 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=23060: Thu May 1 19:41:46 2025 write: IOPS=194, BW=777KiB/s (796kB/s)(10.0MiB/13174msec) slat (usec): min=13, max=6199, avg=96.88, stdev=254.23 clat (msec): min=8, max=168, avg=81.69, stdev=19.62 lat (msec): min=8, max=168, avg=81.79, stdev=19.63 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 56], 10.00th=[ 59], 20.00th=[ 66], | 30.00th=[ 71], 40.00th=[ 75], 50.00th=[ 80], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 96], 90.00th=[ 106], 95.00th=[ 121], | 99.00th=[ 138], 99.50th=[ 144], 99.90th=[ 165], 99.95th=[ 165], | 99.99th=[ 169] bw ( KiB/s): min= 508, max= 1021, per=24.81%, avg=771.38, stdev=124.64, samples=26 iops : min= 127, max= 255, avg=192.77, stdev=31.19, samples=26 lat (msec) : 10=0.04%, 20=0.12%, 50=1.88%, 100=82.62%, 250=15.35% cpu : usr=0.50%, sys=2.35%, ctx=905, majf=0, minf=30 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=3109KiB/s (3184kB/s), 777KiB/s-781KiB/s (796kB/s-800kB/s), io=40.0MiB (41.9MB), run=13114-13174msec 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-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=23080: Thu May 1 19:42:01 2025 read: IOPS=93, BW=373KiB/s (382kB/s)(5048KiB/13534msec) slat (usec): min=1463, max=21297, avg=5701.19, stdev=2540.32 clat (msec): min=15, max=156, avg=80.03, stdev=20.26 lat (msec): min=25, max=162, avg=85.73, stdev=21.01 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 51], 10.00th=[ 56], 20.00th=[ 63], | 30.00th=[ 68], 40.00th=[ 74], 50.00th=[ 80], 60.00th=[ 85], | 70.00th=[ 89], 80.00th=[ 96], 90.00th=[ 107], 95.00th=[ 116], | 99.00th=[ 138], 99.50th=[ 142], 99.90th=[ 153], 99.95th=[ 157], | 99.99th=[ 157] bw ( KiB/s): min= 264, max= 464, per=24.94%, avg=369.65, stdev=57.02, samples=26 iops : min= 66, max= 116, avg=92.08, stdev=14.28, samples=26 write: IOPS=95, BW=384KiB/s (393kB/s)(5192KiB/13534msec) slat (usec): min=14, max=3288, avg=105.32, stdev=231.58 clat (msec): min=15, max=164, avg=82.34, stdev=19.68 lat (msec): min=15, max=164, avg=82.45, stdev=19.67 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 53], 10.00th=[ 58], 20.00th=[ 67], | 30.00th=[ 71], 40.00th=[ 77], 50.00th=[ 82], 60.00th=[ 87], | 70.00th=[ 92], 80.00th=[ 97], 90.00th=[ 106], 95.00th=[ 117], | 99.00th=[ 144], 99.50th=[ 148], 99.90th=[ 165], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 232, max= 518, per=24.69%, avg=381.00, stdev=64.12, samples=26 iops : min= 58, max= 129, avg=94.92, stdev=16.10, samples=26 lat (msec) : 20=0.12%, 50=3.44%, 100=80.74%, 250=15.70% cpu : usr=0.63%, sys=5.20%, ctx=2414, majf=0, minf=33 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=23081: Thu May 1 19:42:01 2025 read: IOPS=92, BW=370KiB/s (379kB/s)(4976KiB/13461msec) slat (usec): min=1020, max=25724, avg=5602.43, stdev=2511.19 clat (msec): min=28, max=164, avg=79.52, stdev=20.17 lat (msec): min=35, max=170, avg=85.13, stdev=21.02 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 50], 10.00th=[ 55], 20.00th=[ 63], | 30.00th=[ 68], 40.00th=[ 74], 50.00th=[ 79], 60.00th=[ 84], | 70.00th=[ 89], 80.00th=[ 96], 90.00th=[ 106], 95.00th=[ 116], | 99.00th=[ 136], 99.50th=[ 142], 99.90th=[ 155], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 256, max= 480, per=24.79%, avg=367.38, stdev=62.97, samples=26 iops : min= 64, max= 120, avg=91.69, stdev=15.71, samples=26 write: IOPS=97, BW=391KiB/s (400kB/s)(5264KiB/13461msec) slat (usec): min=14, max=4010, avg=110.82, stdev=233.55 clat (msec): min=20, max=182, avg=82.22, stdev=20.35 lat (msec): min=20, max=183, avg=82.34, stdev=20.36 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 53], 10.00th=[ 59], 20.00th=[ 66], | 30.00th=[ 71], 40.00th=[ 77], 50.00th=[ 82], 60.00th=[ 86], | 70.00th=[ 92], 80.00th=[ 97], 90.00th=[ 109], 95.00th=[ 118], | 99.00th=[ 142], 99.50th=[ 150], 99.90th=[ 169], 99.95th=[ 184], | 99.99th=[ 184] bw ( KiB/s): min= 264, max= 534, per=25.34%, avg=391.04, stdev=64.75, samples=26 iops : min= 66, max= 133, avg=97.62, stdev=16.15, samples=26 lat (msec) : 50=4.45%, 100=80.39%, 250=15.16% cpu : usr=0.77%, sys=5.07%, ctx=2379, majf=0, minf=31 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=23082: Thu May 1 19:42:01 2025 read: IOPS=92, BW=370KiB/s (379kB/s)(4984KiB/13462msec) slat (usec): min=13, max=27368, avg=5559.28, stdev=2697.61 clat (msec): min=9, max=165, avg=79.59, stdev=21.01 lat (msec): min=9, max=176, avg=85.15, stdev=21.83 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 48], 10.00th=[ 55], 20.00th=[ 62], | 30.00th=[ 69], 40.00th=[ 73], 50.00th=[ 79], 60.00th=[ 85], | 70.00th=[ 90], 80.00th=[ 97], 90.00th=[ 107], 95.00th=[ 115], | 99.00th=[ 136], 99.50th=[ 146], 99.90th=[ 159], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 199, max= 520, per=25.05%, avg=371.27, stdev=78.55, samples=26 iops : min= 49, max= 130, avg=92.58, stdev=19.77, samples=26 write: IOPS=97, BW=390KiB/s (400kB/s)(5256KiB/13462msec) slat (usec): min=14, max=6166, avg=103.54, stdev=285.89 clat (msec): min=10, max=165, avg=82.73, stdev=20.92 lat (msec): min=10, max=165, avg=82.83, stdev=20.93 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 52], 10.00th=[ 58], 20.00th=[ 65], | 30.00th=[ 71], 40.00th=[ 78], 50.00th=[ 83], 60.00th=[ 87], | 70.00th=[ 92], 80.00th=[ 99], 90.00th=[ 110], 95.00th=[ 121], | 99.00th=[ 142], 99.50th=[ 148], 99.90th=[ 165], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 311, max= 560, per=25.12%, avg=387.54, stdev=62.38, samples=26 iops : min= 77, max= 140, avg=96.65, stdev=15.69, samples=26 lat (msec) : 10=0.08%, 20=0.16%, 50=4.73%, 100=78.01%, 250=17.03% cpu : usr=1.46%, sys=4.38%, ctx=2279, majf=0, minf=30 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=23083: Thu May 1 19:42:01 2025 read: IOPS=93, BW=375KiB/s (384kB/s)(5060KiB/13499msec) slat (usec): min=1236, max=19989, avg=5549.83, stdev=2397.03 clat (msec): min=4, max=162, avg=79.82, stdev=20.23 lat (msec): min=8, max=171, avg=85.38, stdev=20.92 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 49], 10.00th=[ 56], 20.00th=[ 63], | 30.00th=[ 69], 40.00th=[ 74], 50.00th=[ 80], 60.00th=[ 84], | 70.00th=[ 89], 80.00th=[ 96], 90.00th=[ 107], 95.00th=[ 115], | 99.00th=[ 132], 99.50th=[ 138], 99.90th=[ 153], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 247, max= 510, per=25.21%, avg=373.54, stdev=57.65, samples=26 iops : min= 61, max= 127, avg=93.08, stdev=14.45, samples=26 write: IOPS=95, BW=384KiB/s (393kB/s)(5180KiB/13499msec) slat (usec): min=16, max=4120, avg=109.55, stdev=239.26 clat (msec): min=33, max=153, avg=82.49, stdev=19.74 lat (msec): min=33, max=153, avg=82.60, stdev=19.75 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 54], 10.00th=[ 59], 20.00th=[ 67], | 30.00th=[ 72], 40.00th=[ 77], 50.00th=[ 81], 60.00th=[ 86], | 70.00th=[ 91], 80.00th=[ 99], 90.00th=[ 109], 95.00th=[ 121], | 99.00th=[ 140], 99.50th=[ 142], 99.90th=[ 153], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 280, max= 495, per=24.77%, avg=382.15, stdev=62.74, samples=26 iops : min= 70, max= 123, avg=95.23, stdev=15.68, samples=26 lat (msec) : 10=0.04%, 50=4.26%, 100=79.18%, 250=16.52% cpu : usr=0.56%, sys=5.16%, ctx=2462, majf=0, minf=32 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=1483KiB/s (1518kB/s), 370KiB/s-375KiB/s (379kB/s-384kB/s), io=19.6MiB (20.5MB), run=13461-13534msec WRITE: bw=1544KiB/s (1581kB/s), 384KiB/s-391KiB/s (393kB/s-400kB/s), io=20.4MiB (21.4MB), run=13461-13534msec 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-3.7 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=23098: Thu May 1 19:42:04 2025 read: IOPS=2, BW=109MiB/s (114MB/s)(40.0MiB/367msec) slat (nsec): min=8658.6k, max=8658.6k, avg=8658640.00, stdev= 0.00 clat (nsec): min=347806k, max=347806k, avg=347805975.00, stdev= 0.00 lat (nsec): min=356488k, max=356488k, avg=356488317.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 347], 5.00th=[ 347], 10.00th=[ 347], 20.00th=[ 347], | 30.00th=[ 347], 40.00th=[ 347], 50.00th=[ 347], 60.00th=[ 347], | 70.00th=[ 347], 80.00th=[ 347], 90.00th=[ 347], 95.00th=[ 347], | 99.00th=[ 347], 99.50th=[ 347], 99.90th=[ 347], 99.95th=[ 347], | 99.99th=[ 347] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.46%, ctx=4, majf=0, minf=29 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=109MiB/s (114MB/s), 109MiB/s-109MiB/s (114MB/s-114MB/s), io=40.0MiB (41.9MB), run=367-367msec 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