== sanity test 398c: run fio to test AIO ================= 16:44:35 (1760129075) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.268046 s, 156 MB/s osc.lustre-OST0000-osc-ffff8aecb1c56000.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=192418: Fri Oct 10 16:44:57 2025 write: IOPS=153, BW=614KiB/s (628kB/s)(10.0MiB/16691msec); 0 zone resets slat (usec): min=27, max=4286, avg=137.13, stdev=260.03 clat (msec): min=13, max=187, avg=104.05, stdev=21.85 lat (msec): min=13, max=187, avg=104.19, stdev=21.83 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 69], 10.00th=[ 79], 20.00th=[ 88], | 30.00th=[ 93], 40.00th=[ 100], 50.00th=[ 105], 60.00th=[ 110], | 70.00th=[ 115], 80.00th=[ 122], 90.00th=[ 131], 95.00th=[ 136], | 99.00th=[ 165], 99.50th=[ 178], 99.90th=[ 182], 99.95th=[ 182], | 99.99th=[ 188] bw ( KiB/s): min= 501, max= 912, per=24.90%, avg=609.94, stdev=79.96, samples=33 iops : min= 125, max= 228, avg=152.18, stdev=20.04, samples=33 lat (msec) : 20=0.12%, 50=1.80%, 100=39.41%, 250=58.67% cpu : usr=0.25%, sys=1.49%, ctx=3092, 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=192419: Fri Oct 10 16:44:57 2025 write: IOPS=153, BW=613KiB/s (627kB/s)(10.0MiB/16717msec); 0 zone resets slat (usec): min=27, max=5329, avg=143.54, stdev=283.48 clat (msec): min=9, max=189, avg=103.93, stdev=21.24 lat (msec): min=10, max=189, avg=104.08, stdev=21.24 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 70], 10.00th=[ 79], 20.00th=[ 87], | 30.00th=[ 92], 40.00th=[ 100], 50.00th=[ 105], 60.00th=[ 109], | 70.00th=[ 115], 80.00th=[ 123], 90.00th=[ 131], 95.00th=[ 138], | 99.00th=[ 155], 99.50th=[ 161], 99.90th=[ 190], 99.95th=[ 190], | 99.99th=[ 190] bw ( KiB/s): min= 430, max= 783, per=24.85%, avg=608.94, stdev=68.57, samples=33 iops : min= 107, max= 195, avg=151.91, stdev=17.11, samples=33 lat (msec) : 10=0.04%, 20=0.08%, 50=0.51%, 100=41.09%, 250=58.28% cpu : usr=0.24%, sys=1.65%, ctx=3068, 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=192420: Fri Oct 10 16:44:57 2025 write: IOPS=153, BW=613KiB/s (628kB/s)(10.0MiB/16710msec); 0 zone resets slat (usec): min=26, max=4322, avg=141.97, stdev=282.19 clat (msec): min=39, max=207, avg=104.04, stdev=21.32 lat (msec): min=39, max=207, avg=104.18, stdev=21.33 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 72], 10.00th=[ 78], 20.00th=[ 87], | 30.00th=[ 93], 40.00th=[ 100], 50.00th=[ 105], 60.00th=[ 109], | 70.00th=[ 115], 80.00th=[ 122], 90.00th=[ 131], 95.00th=[ 138], | 99.00th=[ 157], 99.50th=[ 161], 99.90th=[ 182], 99.95th=[ 182], | 99.99th=[ 209] bw ( KiB/s): min= 462, max= 860, per=24.91%, avg=610.36, stdev=73.54, samples=33 iops : min= 115, max= 215, avg=152.27, stdev=18.43, samples=33 lat (msec) : 50=1.52%, 100=39.96%, 250=58.52% cpu : usr=0.20%, sys=1.57%, ctx=2990, 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=192421: Fri Oct 10 16:44:57 2025 write: IOPS=153, BW=614KiB/s (628kB/s)(10.0MiB/16688msec); 0 zone resets slat (usec): min=26, max=4885, avg=124.86, stdev=246.50 clat (msec): min=14, max=187, avg=103.83, stdev=21.63 lat (msec): min=14, max=187, avg=103.96, stdev=21.64 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 69], 10.00th=[ 78], 20.00th=[ 86], | 30.00th=[ 93], 40.00th=[ 100], 50.00th=[ 106], 60.00th=[ 110], | 70.00th=[ 114], 80.00th=[ 122], 90.00th=[ 130], 95.00th=[ 138], | 99.00th=[ 155], 99.50th=[ 161], 99.90th=[ 186], 99.95th=[ 188], | 99.99th=[ 188] bw ( KiB/s): min= 478, max= 863, per=24.92%, avg=610.42, stdev=69.94, samples=33 iops : min= 119, max= 215, avg=152.27, stdev=17.44, samples=33 lat (msec) : 20=0.08%, 50=1.56%, 100=39.38%, 250=58.98% cpu : usr=0.21%, sys=1.44%, ctx=2846, 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=2450KiB/s (2509kB/s), 613KiB/s-614KiB/s (627kB/s-628kB/s), io=40.0MiB (41.9MB), run=16688-16717msec 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=192433: Fri Oct 10 16:45:17 2025 read: IOPS=81, BW=326KiB/s (334kB/s)(5048KiB/15461msec) slat (usec): min=1668, max=25242, avg=6643.85, stdev=2923.63 clat (msec): min=21, max=171, avg=91.58, stdev=24.04 lat (msec): min=28, max=182, avg=98.23, stdev=25.21 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 57], 10.00th=[ 63], 20.00th=[ 70], | 30.00th=[ 78], 40.00th=[ 84], 50.00th=[ 90], 60.00th=[ 96], | 70.00th=[ 105], 80.00th=[ 113], 90.00th=[ 125], 95.00th=[ 136], | 99.00th=[ 150], 99.50th=[ 153], 99.90th=[ 167], 99.95th=[ 171], | 99.99th=[ 171] bw ( KiB/s): min= 191, max= 480, per=25.02%, avg=324.53, stdev=66.30, samples=30 iops : min= 47, max= 120, avg=80.80, stdev=16.60, samples=30 write: IOPS=83, BW=336KiB/s (344kB/s)(5192KiB/15461msec); 0 zone resets slat (usec): min=29, max=6380, avg=146.39, stdev=264.74 clat (msec): min=40, max=162, avg=94.09, stdev=24.26 lat (msec): min=40, max=162, avg=94.24, stdev=24.26 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 57], 10.00th=[ 64], 20.00th=[ 72], | 30.00th=[ 80], 40.00th=[ 86], 50.00th=[ 92], 60.00th=[ 100], | 70.00th=[ 107], 80.00th=[ 116], 90.00th=[ 128], 95.00th=[ 138], | 99.00th=[ 153], 99.50th=[ 159], 99.90th=[ 163], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 231, max= 495, per=24.79%, avg=334.87, stdev=76.60, samples=30 iops : min= 57, max= 123, avg=83.37, stdev=19.11, samples=30 lat (msec) : 50=1.68%, 100=61.41%, 250=36.91% cpu : usr=0.32%, sys=2.67%, ctx=4665, 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=192434: Fri Oct 10 16:45:17 2025 read: IOPS=80, BW=322KiB/s (330kB/s)(4976KiB/15461msec) slat (usec): min=2044, max=20296, avg=6605.20, stdev=2877.56 clat (msec): min=4, max=165, avg=91.71, stdev=24.21 lat (msec): min=10, max=175, avg=98.32, stdev=25.41 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 70], | 30.00th=[ 78], 40.00th=[ 84], 50.00th=[ 91], 60.00th=[ 97], | 70.00th=[ 105], 80.00th=[ 113], 90.00th=[ 124], 95.00th=[ 133], | 99.00th=[ 150], 99.50th=[ 155], 99.90th=[ 165], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 183, max= 448, per=24.75%, avg=320.97, stdev=67.74, samples=30 iops : min= 45, max= 112, avg=79.90, stdev=16.96, samples=30 write: IOPS=85, BW=340KiB/s (349kB/s)(5264KiB/15461msec); 0 zone resets slat (usec): min=32, max=6312, avg=130.13, stdev=224.01 clat (msec): min=13, max=165, avg=94.03, stdev=24.29 lat (msec): min=13, max=165, avg=94.17, stdev=24.28 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 59], 10.00th=[ 65], 20.00th=[ 72], | 30.00th=[ 80], 40.00th=[ 85], 50.00th=[ 91], 60.00th=[ 100], | 70.00th=[ 107], 80.00th=[ 116], 90.00th=[ 128], 95.00th=[ 138], | 99.00th=[ 150], 99.50th=[ 155], 99.90th=[ 163], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 221, max= 487, per=25.09%, avg=338.93, stdev=80.38, samples=30 iops : min= 55, max= 121, avg=84.40, stdev=20.03, samples=30 lat (msec) : 10=0.04%, 20=0.12%, 50=1.56%, 100=61.45%, 250=36.84% cpu : usr=0.38%, sys=2.52%, ctx=4596, 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=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=192435: Fri Oct 10 16:45:17 2025 read: IOPS=80, BW=322KiB/s (330kB/s)(4984KiB/15462msec) slat (usec): min=1812, max=20770, avg=6448.37, stdev=2960.14 clat (msec): min=20, max=173, avg=91.38, stdev=24.75 lat (msec): min=30, max=186, avg=97.83, stdev=26.01 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 69], | 30.00th=[ 77], 40.00th=[ 84], 50.00th=[ 90], 60.00th=[ 96], | 70.00th=[ 105], 80.00th=[ 113], 90.00th=[ 125], 95.00th=[ 136], | 99.00th=[ 157], 99.50th=[ 161], 99.90th=[ 169], 99.95th=[ 174], | 99.99th=[ 174] bw ( KiB/s): min= 207, max= 487, per=24.80%, avg=321.63, stdev=78.66, samples=30 iops : min= 51, max= 121, avg=80.07, stdev=19.65, samples=30 write: IOPS=84, BW=340KiB/s (348kB/s)(5256KiB/15462msec); 0 zone resets slat (usec): min=35, max=4830, avg=141.21, stdev=232.16 clat (msec): min=20, max=166, avg=94.59, stdev=24.08 lat (msec): min=20, max=166, avg=94.73, stdev=24.09 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 59], 10.00th=[ 65], 20.00th=[ 73], | 30.00th=[ 81], 40.00th=[ 87], 50.00th=[ 93], 60.00th=[ 100], | 70.00th=[ 107], 80.00th=[ 117], 90.00th=[ 128], 95.00th=[ 136], | 99.00th=[ 153], 99.50th=[ 157], 99.90th=[ 163], 99.95th=[ 167], | 99.99th=[ 167] bw ( KiB/s): min= 184, max= 502, per=24.89%, avg=336.23, stdev=72.67, samples=30 iops : min= 46, max= 125, avg=83.73, stdev=18.18, samples=30 lat (msec) : 50=1.64%, 100=61.45%, 250=36.91% cpu : usr=0.36%, sys=2.59%, ctx=4573, 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=192436: Fri Oct 10 16:45:17 2025 read: IOPS=82, BW=330KiB/s (338kB/s)(5060KiB/15323msec) slat (usec): min=55, max=20063, avg=6528.13, stdev=2840.83 clat (msec): min=3, max=175, avg=90.70, stdev=25.18 lat (msec): min=6, max=182, avg=97.23, stdev=26.40 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 55], 10.00th=[ 61], 20.00th=[ 68], | 30.00th=[ 77], 40.00th=[ 83], 50.00th=[ 89], 60.00th=[ 96], | 70.00th=[ 105], 80.00th=[ 113], 90.00th=[ 125], 95.00th=[ 133], | 99.00th=[ 155], 99.50th=[ 159], 99.90th=[ 167], 99.95th=[ 176], | 99.99th=[ 176] bw ( KiB/s): min= 240, max= 463, per=25.43%, avg=329.83, stdev=62.50, samples=30 iops : min= 60, max= 115, avg=82.13, stdev=15.55, samples=30 write: IOPS=84, BW=338KiB/s (346kB/s)(5180KiB/15323msec); 0 zone resets slat (usec): min=32, max=7514, avg=148.74, stdev=313.96 clat (msec): min=19, max=172, avg=94.01, stdev=24.20 lat (msec): min=19, max=172, avg=94.16, stdev=24.20 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 57], 10.00th=[ 64], 20.00th=[ 72], | 30.00th=[ 81], 40.00th=[ 87], 50.00th=[ 93], 60.00th=[ 100], | 70.00th=[ 107], 80.00th=[ 117], 90.00th=[ 127], 95.00th=[ 134], | 99.00th=[ 150], 99.50th=[ 159], 99.90th=[ 167], 99.95th=[ 174], | 99.99th=[ 174] bw ( KiB/s): min= 191, max= 500, per=24.92%, avg=336.67, stdev=78.09, samples=30 iops : min= 47, max= 125, avg=83.83, stdev=19.60, samples=30 lat (msec) : 4=0.04%, 10=0.12%, 20=0.12%, 50=2.19%, 100=61.21% lat (msec) : 250=36.33% cpu : usr=0.34%, sys=2.65%, ctx=4587, majf=0, minf=14 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=1298KiB/s (1329kB/s), 322KiB/s-330KiB/s (330kB/s-338kB/s), io=19.6MiB (20.5MB), run=15323-15462msec WRITE: bw=1351KiB/s (1384kB/s), 336KiB/s-340KiB/s (344kB/s-349kB/s), io=20.4MiB (21.4MB), run=15323-15462msec 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=192443: Fri Oct 10 16:45:21 2025 read: IOPS=6, BW=241MiB/s (253MB/s)(40.0MiB/166msec) slat (nsec): min=14229k, max=14229k, avg=14228768.00, stdev= 0.00 clat (nsec): min=138822k, max=138822k, avg=138822314.00, stdev= 0.00 lat (nsec): min=153055k, max=153055k, avg=153055420.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 140], 10.00th=[ 140], 20.00th=[ 140], | 30.00th=[ 140], 40.00th=[ 140], 50.00th=[ 140], 60.00th=[ 140], | 70.00th=[ 140], 80.00th=[ 140], 90.00th=[ 140], 95.00th=[ 140], | 99.00th=[ 140], 99.50th=[ 140], 99.90th=[ 140], 99.95th=[ 140], | 99.99th=[ 140] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=7.88%, ctx=12, majf=0, minf=7 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=241MiB/s (253MB/s), 241MiB/s-241MiB/s (253MB/s-253MB/s), io=40.0MiB (41.9MB), run=166-166msec 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