== sanity test 398c: run fio to test AIO ================= 16:27:26 (1761251246) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.350032 s, 120 MB/s osc.lustre-OST0000-osc-ffff88f644d63000.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=184234: Thu Oct 23 16:28:02 2025 write: IOPS=97, BW=390KiB/s (399kB/s)(10.0MiB/26249msec); 0 zone resets slat (usec): min=27, max=19480, avg=130.88, stdev=484.43 clat (msec): min=21, max=291, avg=163.75, stdev=30.44 lat (msec): min=21, max=291, avg=163.89, stdev=30.43 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 120], 10.00th=[ 129], 20.00th=[ 140], | 30.00th=[ 148], 40.00th=[ 155], 50.00th=[ 161], 60.00th=[ 169], | 70.00th=[ 178], 80.00th=[ 186], 90.00th=[ 203], 95.00th=[ 213], | 99.00th=[ 245], 99.50th=[ 275], 99.90th=[ 279], 99.95th=[ 284], | 99.99th=[ 292] bw ( KiB/s): min= 255, max= 509, per=24.92%, avg=388.71, stdev=55.41, samples=52 iops : min= 63, max= 127, avg=96.87, stdev=13.87, samples=52 lat (msec) : 50=0.12%, 100=1.41%, 250=97.50%, 500=0.98% cpu : usr=0.20%, sys=0.98%, ctx=2241, majf=0, minf=8 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=184235: Thu Oct 23 16:28:02 2025 write: IOPS=97, BW=391KiB/s (400kB/s)(10.0MiB/26221msec); 0 zone resets slat (usec): min=26, max=12328, avg=136.82, stdev=491.32 clat (msec): min=13, max=286, avg=163.10, stdev=32.08 lat (msec): min=13, max=286, avg=163.24, stdev=32.08 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 121], 10.00th=[ 129], 20.00th=[ 138], | 30.00th=[ 146], 40.00th=[ 155], 50.00th=[ 161], 60.00th=[ 169], | 70.00th=[ 178], 80.00th=[ 186], 90.00th=[ 201], 95.00th=[ 218], | 99.00th=[ 243], 99.50th=[ 271], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 272, max= 507, per=24.92%, avg=388.79, stdev=47.78, samples=52 iops : min= 68, max= 126, avg=96.85, stdev=11.88, samples=52 lat (msec) : 20=0.08%, 50=0.78%, 100=0.74%, 250=97.62%, 500=0.78% cpu : usr=0.21%, sys=0.89%, ctx=2406, majf=0, minf=8 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=184236: Thu Oct 23 16:28:02 2025 write: IOPS=97, BW=391KiB/s (400kB/s)(10.0MiB/26220msec); 0 zone resets slat (usec): min=26, max=10355, avg=158.19, stdev=538.19 clat (msec): min=17, max=284, avg=162.96, stdev=31.08 lat (msec): min=18, max=285, avg=163.12, stdev=31.07 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 118], 10.00th=[ 127], 20.00th=[ 138], | 30.00th=[ 146], 40.00th=[ 155], 50.00th=[ 161], 60.00th=[ 167], | 70.00th=[ 176], 80.00th=[ 190], 90.00th=[ 203], 95.00th=[ 213], | 99.00th=[ 245], 99.50th=[ 257], 99.90th=[ 257], 99.95th=[ 279], | 99.99th=[ 284] bw ( KiB/s): min= 278, max= 512, per=24.93%, avg=388.92, stdev=54.19, samples=52 iops : min= 69, max= 128, avg=96.88, stdev=13.53, samples=52 lat (msec) : 20=0.08%, 50=0.31%, 100=1.25%, 250=97.66%, 500=0.70% cpu : usr=0.18%, sys=1.05%, ctx=2291, 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=184237: Thu Oct 23 16:28:02 2025 write: IOPS=97, BW=390KiB/s (399kB/s)(10.0MiB/26253msec); 0 zone resets slat (usec): min=28, max=12322, avg=187.22, stdev=644.86 clat (msec): min=8, max=283, avg=163.17, stdev=30.35 lat (msec): min=8, max=283, avg=163.36, stdev=30.32 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 122], 10.00th=[ 129], 20.00th=[ 138], | 30.00th=[ 148], 40.00th=[ 155], 50.00th=[ 163], 60.00th=[ 167], | 70.00th=[ 176], 80.00th=[ 188], 90.00th=[ 201], 95.00th=[ 213], | 99.00th=[ 241], 99.50th=[ 257], 99.90th=[ 279], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 288, max= 487, per=24.90%, avg=388.42, stdev=41.34, samples=52 iops : min= 72, max= 121, avg=96.77, stdev=10.26, samples=52 lat (msec) : 10=0.04%, 20=0.04%, 50=0.31%, 100=1.37%, 250=97.58% lat (msec) : 500=0.66% cpu : usr=0.18%, sys=1.14%, ctx=2937, 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 Run status group 0 (all jobs): WRITE: bw=1560KiB/s (1598kB/s), 390KiB/s-391KiB/s (399kB/s-400kB/s), io=40.0MiB (41.9MB), run=26220-26253msec 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=184253: Thu Oct 23 16:28:40 2025 read: IOPS=42, BW=172KiB/s (176kB/s)(5048KiB/29381msec) slat (usec): min=2508, max=43944, avg=12107.74, stdev=5510.43 clat (msec): min=70, max=313, avg=172.64, stdev=36.81 lat (msec): min=83, max=325, avg=184.75, stdev=37.87 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 117], 10.00th=[ 128], 20.00th=[ 142], | 30.00th=[ 153], 40.00th=[ 161], 50.00th=[ 171], 60.00th=[ 180], | 70.00th=[ 190], 80.00th=[ 203], 90.00th=[ 220], 95.00th=[ 236], | 99.00th=[ 268], 99.50th=[ 284], 99.90th=[ 313], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 92, max= 238, per=25.14%, avg=171.47, stdev=32.05, samples=57 iops : min= 23, max= 59, avg=42.32, stdev= 7.95, samples=57 write: IOPS=44, BW=177KiB/s (181kB/s)(5192KiB/29381msec); 0 zone resets slat (usec): min=28, max=6938, avg=183.77, stdev=437.18 clat (msec): min=38, max=310, avg=179.76, stdev=33.99 lat (msec): min=38, max=310, avg=179.95, stdev=33.98 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 128], 10.00th=[ 140], 20.00th=[ 153], | 30.00th=[ 161], 40.00th=[ 171], 50.00th=[ 178], 60.00th=[ 186], | 70.00th=[ 197], 80.00th=[ 207], 90.00th=[ 226], 95.00th=[ 243], | 99.00th=[ 266], 99.50th=[ 279], 99.90th=[ 292], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 104, max= 279, per=24.91%, avg=176.89, stdev=37.02, samples=57 iops : min= 26, max= 69, avg=43.70, stdev= 9.21, samples=57 lat (msec) : 50=0.04%, 100=0.74%, 250=96.05%, 500=3.16% cpu : usr=0.30%, sys=1.78%, ctx=4552, 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=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=184254: Thu Oct 23 16:28:40 2025 read: IOPS=42, BW=170KiB/s (174kB/s)(4976KiB/29244msec) slat (usec): min=3587, max=47752, avg=12024.59, stdev=5170.59 clat (msec): min=26, max=313, avg=172.15, stdev=35.17 lat (msec): min=35, max=332, avg=184.18, stdev=36.32 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 122], 10.00th=[ 130], 20.00th=[ 142], | 30.00th=[ 153], 40.00th=[ 161], 50.00th=[ 171], 60.00th=[ 178], | 70.00th=[ 188], 80.00th=[ 201], 90.00th=[ 218], 95.00th=[ 234], | 99.00th=[ 266], 99.50th=[ 279], 99.90th=[ 296], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 81, max= 263, per=24.89%, avg=169.72, stdev=37.49, samples=57 iops : min= 20, max= 65, avg=41.88, stdev= 9.37, samples=57 write: IOPS=45, BW=180KiB/s (184kB/s)(5264KiB/29244msec); 0 zone resets slat (usec): min=37, max=23361, avg=202.54, stdev=813.62 clat (msec): min=82, max=298, avg=179.14, stdev=33.18 lat (msec): min=82, max=298, avg=179.35, stdev=33.17 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 130], 10.00th=[ 140], 20.00th=[ 153], | 30.00th=[ 161], 40.00th=[ 169], 50.00th=[ 178], 60.00th=[ 186], | 70.00th=[ 194], 80.00th=[ 205], 90.00th=[ 226], 95.00th=[ 241], | 99.00th=[ 264], 99.50th=[ 271], 99.90th=[ 288], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 80, max= 269, per=25.34%, avg=179.93, stdev=34.29, samples=57 iops : min= 20, max= 67, avg=44.46, stdev= 8.55, samples=57 lat (msec) : 50=0.04%, 100=0.74%, 250=96.60%, 500=2.62% cpu : usr=0.21%, sys=1.89%, ctx=4905, 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=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=184255: Thu Oct 23 16:28:40 2025 read: IOPS=42, BW=170KiB/s (174kB/s)(4984KiB/29398msec) slat (usec): min=2445, max=56178, avg=12108.03, stdev=5409.56 clat (msec): min=60, max=305, avg=174.27, stdev=35.12 lat (msec): min=102, max=321, avg=186.38, stdev=36.11 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 122], 10.00th=[ 131], 20.00th=[ 144], | 30.00th=[ 155], 40.00th=[ 165], 50.00th=[ 174], 60.00th=[ 182], | 70.00th=[ 190], 80.00th=[ 203], 90.00th=[ 220], 95.00th=[ 239], | 99.00th=[ 266], 99.50th=[ 279], 99.90th=[ 300], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 82, max= 269, per=24.83%, avg=169.37, stdev=35.57, samples=57 iops : min= 20, max= 67, avg=41.79, stdev= 8.91, samples=57 write: IOPS=44, BW=179KiB/s (183kB/s)(5256KiB/29398msec); 0 zone resets slat (usec): min=28, max=11521, avg=213.39, stdev=649.39 clat (msec): min=32, max=285, avg=178.33, stdev=34.34 lat (msec): min=32, max=286, avg=178.55, stdev=34.35 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 127], 10.00th=[ 138], 20.00th=[ 153], | 30.00th=[ 161], 40.00th=[ 167], 50.00th=[ 178], 60.00th=[ 186], | 70.00th=[ 194], 80.00th=[ 205], 90.00th=[ 224], 95.00th=[ 241], | 99.00th=[ 268], 99.50th=[ 275], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 87, max= 278, per=24.99%, avg=177.46, stdev=38.34, samples=57 iops : min= 21, max= 69, avg=43.82, stdev= 9.55, samples=57 lat (msec) : 50=0.04%, 100=0.70%, 250=96.37%, 500=2.89% cpu : usr=0.26%, sys=1.88%, ctx=4604, 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=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=184256: Thu Oct 23 16:28:40 2025 read: IOPS=43, BW=173KiB/s (177kB/s)(5060KiB/29219msec) slat (usec): min=55, max=35656, avg=11923.82, stdev=5161.44 clat (msec): min=19, max=304, avg=172.47, stdev=37.65 lat (msec): min=30, max=319, avg=184.41, stdev=38.63 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 117], 10.00th=[ 127], 20.00th=[ 140], | 30.00th=[ 153], 40.00th=[ 163], 50.00th=[ 171], 60.00th=[ 180], | 70.00th=[ 190], 80.00th=[ 203], 90.00th=[ 222], 95.00th=[ 236], | 99.00th=[ 275], 99.50th=[ 288], 99.90th=[ 300], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 112, max= 246, per=25.38%, avg=173.09, stdev=31.88, samples=57 iops : min= 28, max= 61, avg=42.74, stdev= 7.93, samples=57 write: IOPS=44, BW=177KiB/s (182kB/s)(5180KiB/29219msec); 0 zone resets slat (usec): min=31, max=8770, avg=199.85, stdev=495.11 clat (msec): min=90, max=303, avg=180.06, stdev=34.77 lat (msec): min=90, max=303, avg=180.26, stdev=34.78 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 129], 10.00th=[ 138], 20.00th=[ 150], | 30.00th=[ 161], 40.00th=[ 169], 50.00th=[ 180], 60.00th=[ 188], | 70.00th=[ 197], 80.00th=[ 207], 90.00th=[ 228], 95.00th=[ 241], | 99.00th=[ 275], 99.50th=[ 288], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 121, max= 250, per=24.86%, avg=176.47, stdev=31.08, samples=57 iops : min= 30, max= 62, avg=43.58, stdev= 7.76, samples=57 lat (msec) : 20=0.04%, 50=0.16%, 100=0.70%, 250=96.13%, 500=2.97% cpu : usr=0.26%, sys=1.86%, ctx=4594, 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=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=683KiB/s (699kB/s), 170KiB/s-173KiB/s (174kB/s-177kB/s), io=19.6MiB (20.5MB), run=29219-29398msec WRITE: bw=711KiB/s (728kB/s), 177KiB/s-180KiB/s (181kB/s-184kB/s), io=20.4MiB (21.4MB), run=29219-29398msec 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=184265: Thu Oct 23 16:28:49 2025 read: IOPS=3, BW=139MiB/s (146MB/s)(40.0MiB/288msec) slat (nsec): min=14239k, max=14239k, avg=14239460.00, stdev= 0.00 clat (nsec): min=256172k, max=256172k, avg=256171672.00, stdev= 0.00 lat (nsec): min=270417k, max=270417k, avg=270416763.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 257], 5.00th=[ 257], 10.00th=[ 257], 20.00th=[ 257], | 30.00th=[ 257], 40.00th=[ 257], 50.00th=[ 257], 60.00th=[ 257], | 70.00th=[ 257], 80.00th=[ 257], 90.00th=[ 257], 95.00th=[ 257], | 99.00th=[ 257], 99.50th=[ 257], 99.90th=[ 257], 99.95th=[ 257], | 99.99th=[ 257] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=4.18%, ctx=6, 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=139MiB/s (146MB/s), 139MiB/s-139MiB/s (146MB/s-146MB/s), io=40.0MiB (41.9MB), run=288-288msec 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