== sanity test 398c: run fio to test AIO ================= 19:06:48 (1746140808) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.147169 s, 285 MB/s osc.lustre-OST0000-osc-ffff8800b5c16000.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=23215: Thu May 1 19:07:01 2025 write: IOPS=240, BW=961KiB/s (984kB/s)(10.0MiB/10657msec) slat (usec): min=12, max=3566, avg=98.23, stdev=197.67 clat (msec): min=7, max=129, avg=66.19, stdev=13.85 lat (msec): min=7, max=130, avg=66.29, stdev=13.86 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 47], 10.00th=[ 51], 20.00th=[ 56], | 30.00th=[ 59], 40.00th=[ 63], 50.00th=[ 65], 60.00th=[ 69], | 70.00th=[ 71], 80.00th=[ 75], 90.00th=[ 84], 95.00th=[ 91], | 99.00th=[ 112], 99.50th=[ 127], 99.90th=[ 129], 99.95th=[ 129], | 99.99th=[ 130] bw ( KiB/s): min= 616, max= 1152, per=24.95%, avg=958.62, stdev=126.91, samples=21 iops : min= 154, max= 288, avg=239.62, stdev=31.72, samples=21 lat (msec) : 10=0.04%, 50=8.67%, 100=89.06%, 250=2.23% cpu : usr=0.65%, sys=3.26%, ctx=1162, 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=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=23216: Thu May 1 19:07:01 2025 write: IOPS=240, BW=961KiB/s (984kB/s)(10.0MiB/10657msec) slat (usec): min=12, max=3961, avg=92.50, stdev=200.91 clat (msec): min=7, max=131, avg=66.27, stdev=14.05 lat (msec): min=7, max=131, avg=66.36, stdev=14.04 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 47], 10.00th=[ 51], 20.00th=[ 56], | 30.00th=[ 59], 40.00th=[ 63], 50.00th=[ 66], 60.00th=[ 69], | 70.00th=[ 72], 80.00th=[ 77], 90.00th=[ 84], 95.00th=[ 90], | 99.00th=[ 121], 99.50th=[ 128], 99.90th=[ 131], 99.95th=[ 132], | 99.99th=[ 132] bw ( KiB/s): min= 608, max= 1152, per=24.89%, avg=956.33, stdev=127.03, samples=21 iops : min= 152, max= 288, avg=239.00, stdev=31.73, samples=21 lat (msec) : 10=0.04%, 20=0.08%, 50=8.75%, 100=88.87%, 250=2.27% cpu : usr=0.50%, sys=3.08%, ctx=1030, majf=0, minf=28 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=23217: Thu May 1 19:07:01 2025 write: IOPS=240, BW=961KiB/s (984kB/s)(10.0MiB/10661msec) slat (usec): min=11, max=6970, avg=97.77, stdev=241.62 clat (msec): min=6, max=129, avg=66.17, stdev=13.57 lat (msec): min=6, max=129, avg=66.27, stdev=13.57 clat percentiles (msec): | 1.00th=[ 40], 5.00th=[ 47], 10.00th=[ 51], 20.00th=[ 56], | 30.00th=[ 59], 40.00th=[ 63], 50.00th=[ 65], 60.00th=[ 68], | 70.00th=[ 71], 80.00th=[ 77], 90.00th=[ 83], 95.00th=[ 90], | 99.00th=[ 113], 99.50th=[ 117], 99.90th=[ 130], 99.95th=[ 130], | 99.99th=[ 130] bw ( KiB/s): min= 640, max= 1168, per=24.87%, avg=955.57, stdev=120.62, samples=21 iops : min= 160, max= 292, avg=238.86, stdev=30.14, samples=21 lat (msec) : 10=0.08%, 50=8.83%, 100=88.98%, 250=2.11% cpu : usr=1.61%, sys=2.18%, ctx=1198, 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=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=23218: Thu May 1 19:07:01 2025 write: IOPS=240, BW=963KiB/s (986kB/s)(10.0MiB/10636msec) slat (usec): min=11, max=3240, avg=94.00, stdev=187.73 clat (msec): min=20, max=131, avg=66.13, stdev=14.07 lat (msec): min=20, max=131, avg=66.23, stdev=14.07 clat percentiles (msec): | 1.00th=[ 40], 5.00th=[ 46], 10.00th=[ 51], 20.00th=[ 56], | 30.00th=[ 59], 40.00th=[ 63], 50.00th=[ 65], 60.00th=[ 69], | 70.00th=[ 71], 80.00th=[ 77], 90.00th=[ 83], 95.00th=[ 92], | 99.00th=[ 112], 99.50th=[ 117], 99.90th=[ 124], 99.95th=[ 128], | 99.99th=[ 132] bw ( KiB/s): min= 632, max= 1192, per=25.01%, avg=960.86, stdev=139.86, samples=21 iops : min= 158, max= 298, avg=240.14, stdev=34.95, samples=21 lat (msec) : 50=9.30%, 100=87.93%, 250=2.77% cpu : usr=0.53%, sys=3.23%, ctx=1167, 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=3842KiB/s (3934kB/s), 961KiB/s-963KiB/s (984kB/s-986kB/s), io=40.0MiB (41.9MB), run=10636-10661msec 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=23236: Thu May 1 19:07:13 2025 read: IOPS=116, BW=467KiB/s (479kB/s)(5048KiB/10799msec) slat (usec): min=1489, max=17858, avg=4355.60, stdev=1994.98 clat (msec): min=7, max=129, avg=64.00, stdev=18.20 lat (msec): min=11, max=136, avg=68.36, stdev=19.07 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 41], 10.00th=[ 44], 20.00th=[ 50], | 30.00th=[ 54], 40.00th=[ 57], 50.00th=[ 61], 60.00th=[ 65], | 70.00th=[ 70], 80.00th=[ 79], 90.00th=[ 91], 95.00th=[ 101], | 99.00th=[ 117], 99.50th=[ 123], 99.90th=[ 129], 99.95th=[ 130], | 99.99th=[ 130] bw ( KiB/s): min= 311, max= 648, per=25.04%, avg=465.33, stdev=100.74, samples=21 iops : min= 77, max= 162, avg=116.10, stdev=25.33, samples=21 write: IOPS=120, BW=481KiB/s (492kB/s)(5192KiB/10799msec) slat (usec): min=16, max=4427, avg=100.33, stdev=214.62 clat (msec): min=17, max=132, avg=65.64, stdev=18.30 lat (msec): min=18, max=132, avg=65.74, stdev=18.31 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 43], 10.00th=[ 47], 20.00th=[ 51], | 30.00th=[ 55], 40.00th=[ 59], 50.00th=[ 62], 60.00th=[ 66], | 70.00th=[ 71], 80.00th=[ 80], 90.00th=[ 93], 95.00th=[ 104], | 99.00th=[ 124], 99.50th=[ 125], 99.90th=[ 132], 99.95th=[ 133], | 99.99th=[ 133] bw ( KiB/s): min= 319, max= 704, per=24.59%, avg=475.57, stdev=113.60, samples=21 iops : min= 79, max= 176, avg=118.67, stdev=28.55, samples=21 lat (msec) : 10=0.04%, 20=0.04%, 50=20.20%, 100=74.22%, 250=5.51% cpu : usr=1.68%, sys=5.07%, ctx=2245, 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=23237: Thu May 1 19:07:13 2025 read: IOPS=115, BW=463KiB/s (474kB/s)(4976KiB/10753msec) slat (usec): min=1233, max=17060, avg=4359.85, stdev=2048.50 clat (msec): min=18, max=136, avg=63.77, stdev=17.79 lat (msec): min=22, max=142, avg=68.14, stdev=18.78 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 42], 10.00th=[ 44], 20.00th=[ 49], | 30.00th=[ 53], 40.00th=[ 57], 50.00th=[ 61], 60.00th=[ 65], | 70.00th=[ 70], 80.00th=[ 78], 90.00th=[ 90], 95.00th=[ 100], | 99.00th=[ 115], 99.50th=[ 122], 99.90th=[ 132], 99.95th=[ 136], | 99.99th=[ 136] bw ( KiB/s): min= 319, max= 606, per=24.85%, avg=461.71, stdev=100.96, samples=21 iops : min= 79, max= 151, avg=115.24, stdev=25.31, samples=21 write: IOPS=122, BW=490KiB/s (501kB/s)(5264KiB/10753msec) slat (usec): min=16, max=8374, avg=96.83, stdev=271.71 clat (msec): min=20, max=131, avg=65.37, stdev=18.32 lat (msec): min=20, max=132, avg=65.47, stdev=18.33 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 43], 10.00th=[ 46], 20.00th=[ 51], | 30.00th=[ 54], 40.00th=[ 58], 50.00th=[ 62], 60.00th=[ 66], | 70.00th=[ 71], 80.00th=[ 80], 90.00th=[ 92], 95.00th=[ 104], | 99.00th=[ 118], 99.50th=[ 125], 99.90th=[ 132], 99.95th=[ 132], | 99.99th=[ 132] bw ( KiB/s): min= 319, max= 696, per=25.23%, avg=487.95, stdev=120.27, samples=21 iops : min= 79, max= 174, avg=121.81, stdev=30.13, samples=21 lat (msec) : 20=0.04%, 50=20.86%, 100=74.10%, 250=5.00% cpu : usr=0.73%, sys=5.93%, ctx=2335, 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=23238: Thu May 1 19:07:13 2025 read: IOPS=115, BW=462KiB/s (473kB/s)(4984KiB/10799msec) slat (usec): min=1213, max=20408, avg=4290.38, stdev=2043.58 clat (msec): min=26, max=132, avg=63.10, stdev=18.21 lat (msec): min=28, max=140, avg=67.40, stdev=19.10 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 41], 10.00th=[ 45], 20.00th=[ 50], | 30.00th=[ 53], 40.00th=[ 56], 50.00th=[ 60], 60.00th=[ 64], | 70.00th=[ 69], 80.00th=[ 77], 90.00th=[ 90], 95.00th=[ 100], | 99.00th=[ 124], 99.50th=[ 127], 99.90th=[ 131], 99.95th=[ 133], | 99.99th=[ 133] bw ( KiB/s): min= 231, max= 656, per=24.85%, avg=461.71, stdev=124.41, samples=21 iops : min= 57, max= 164, avg=115.10, stdev=31.19, samples=21 write: IOPS=121, BW=487KiB/s (498kB/s)(5256KiB/10799msec) slat (usec): min=16, max=2816, avg=99.44, stdev=191.25 clat (msec): min=32, max=136, avg=66.34, stdev=18.62 lat (msec): min=33, max=136, avg=66.44, stdev=18.64 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 44], 10.00th=[ 47], 20.00th=[ 52], | 30.00th=[ 55], 40.00th=[ 58], 50.00th=[ 62], 60.00th=[ 67], | 70.00th=[ 73], 80.00th=[ 81], 90.00th=[ 94], 95.00th=[ 104], | 99.00th=[ 121], 99.50th=[ 126], 99.90th=[ 134], 99.95th=[ 138], | 99.99th=[ 138] bw ( KiB/s): min= 280, max= 632, per=24.93%, avg=482.10, stdev=103.30, samples=21 iops : min= 70, max= 158, avg=120.24, stdev=25.81, samples=21 lat (msec) : 50=19.96%, 100=74.34%, 250=5.70% cpu : usr=0.00%, sys=6.62%, ctx=2324, 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=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=23239: Thu May 1 19:07:13 2025 read: IOPS=117, BW=471KiB/s (483kB/s)(5060KiB/10738msec) slat (usec): min=14, max=15351, avg=4294.96, stdev=2006.96 clat (msec): min=18, max=138, avg=63.58, stdev=18.02 lat (msec): min=22, max=146, avg=67.88, stdev=18.97 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 42], 10.00th=[ 45], 20.00th=[ 50], | 30.00th=[ 53], 40.00th=[ 56], 50.00th=[ 61], 60.00th=[ 65], | 70.00th=[ 69], 80.00th=[ 77], 90.00th=[ 91], 95.00th=[ 101], | 99.00th=[ 117], 99.50th=[ 123], 99.90th=[ 134], 99.95th=[ 138], | 99.99th=[ 138] bw ( KiB/s): min= 303, max= 624, per=25.39%, avg=471.67, stdev=99.64, samples=21 iops : min= 75, max= 156, avg=117.76, stdev=25.03, samples=21 write: IOPS=120, BW=482KiB/s (494kB/s)(5180KiB/10738msec) slat (usec): min=14, max=2553, avg=102.07, stdev=207.96 clat (msec): min=21, max=141, avg=65.97, stdev=18.58 lat (msec): min=24, max=141, avg=66.08, stdev=18.58 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 43], 10.00th=[ 47], 20.00th=[ 51], | 30.00th=[ 55], 40.00th=[ 58], 50.00th=[ 62], 60.00th=[ 66], | 70.00th=[ 72], 80.00th=[ 81], 90.00th=[ 94], 95.00th=[ 104], | 99.00th=[ 120], 99.50th=[ 127], 99.90th=[ 138], 99.95th=[ 142], | 99.99th=[ 142] bw ( KiB/s): min= 256, max= 694, per=24.82%, avg=480.05, stdev=116.01, samples=21 iops : min= 64, max= 173, avg=119.86, stdev=29.01, samples=21 lat (msec) : 20=0.04%, 50=20.39%, 100=74.10%, 250=5.47% cpu : usr=1.65%, sys=4.99%, ctx=2262, 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=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=1858KiB/s (1903kB/s), 462KiB/s-471KiB/s (473kB/s-483kB/s), io=19.6MiB (20.5MB), run=10738-10799msec WRITE: bw=1935KiB/s (1981kB/s), 481KiB/s-490KiB/s (492kB/s-501kB/s), io=20.4MiB (21.4MB), run=10738-10799msec 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=23252: Thu May 1 19:07:15 2025 read: IOPS=3, BW=143MiB/s (150MB/s)(40.0MiB/279msec) slat (nsec): min=12084k, max=12084k, avg=12084020.00, stdev= 0.00 clat (nsec): min=253122k, max=253122k, avg=253121592.00, stdev= 0.00 lat (nsec): min=265229k, max=265229k, avg=265229050.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 253], 5.00th=[ 253], 10.00th=[ 253], 20.00th=[ 253], | 30.00th=[ 253], 40.00th=[ 253], 50.00th=[ 253], 60.00th=[ 253], | 70.00th=[ 253], 80.00th=[ 253], 90.00th=[ 253], 95.00th=[ 253], | 99.00th=[ 253], 99.50th=[ 253], 99.90th=[ 253], 99.95th=[ 253], | 99.99th=[ 253] lat (msec) : 500=100.00% cpu : usr=0.36%, sys=3.24%, ctx=7, 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=143MiB/s (150MB/s), 143MiB/s-143MiB/s (150MB/s-150MB/s), io=40.0MiB (41.9MB), run=279-279msec 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