== sanity test 398c: run fio to test AIO ================= 17:01:58 (1760130118) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.196085 s, 214 MB/s osc.lustre-OST0000-osc-ffff9e5b17589800.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=188325: Fri Oct 10 17:02:15 2025 write: IOPS=204, BW=817KiB/s (836kB/s)(10.0MiB/12537msec); 0 zone resets slat (usec): min=27, max=3335, avg=127.96, stdev=198.68 clat (msec): min=6, max=143, avg=78.13, stdev=13.59 lat (msec): min=6, max=143, avg=78.26, stdev=13.59 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 57], 10.00th=[ 62], 20.00th=[ 68], | 30.00th=[ 71], 40.00th=[ 74], 50.00th=[ 79], 60.00th=[ 82], | 70.00th=[ 85], 80.00th=[ 89], 90.00th=[ 95], 95.00th=[ 101], | 99.00th=[ 111], 99.50th=[ 121], 99.90th=[ 144], 99.95th=[ 144], | 99.99th=[ 144] bw ( KiB/s): min= 680, max= 992, per=25.07%, avg=814.17, stdev=77.10, samples=24 iops : min= 170, max= 248, avg=203.37, stdev=19.30, samples=24 lat (msec) : 10=0.08%, 20=0.12%, 50=0.94%, 100=93.95%, 250=4.92% cpu : usr=0.36%, sys=1.76%, ctx=2920, 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=188326: Fri Oct 10 17:02:15 2025 write: IOPS=203, BW=812KiB/s (832kB/s)(10.0MiB/12607msec); 0 zone resets slat (usec): min=25, max=3050, avg=124.54, stdev=167.84 clat (msec): min=36, max=121, avg=78.17, stdev=12.62 lat (msec): min=36, max=121, avg=78.29, stdev=12.62 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 58], 10.00th=[ 64], 20.00th=[ 68], | 30.00th=[ 72], 40.00th=[ 74], 50.00th=[ 78], 60.00th=[ 81], | 70.00th=[ 85], 80.00th=[ 89], 90.00th=[ 95], 95.00th=[ 100], | 99.00th=[ 111], 99.50th=[ 115], 99.90th=[ 123], 99.95th=[ 123], | 99.99th=[ 123] bw ( KiB/s): min= 696, max= 976, per=24.79%, avg=805.17, stdev=69.88, samples=24 iops : min= 174, max= 244, avg=201.12, stdev=17.50, samples=24 lat (msec) : 50=0.62%, 100=94.69%, 250=4.69% cpu : usr=0.33%, sys=1.83%, ctx=2897, 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=188327: Fri Oct 10 17:02:15 2025 write: IOPS=203, BW=813KiB/s (832kB/s)(10.0MiB/12602msec); 0 zone resets slat (usec): min=26, max=3219, avg=116.99, stdev=163.98 clat (msec): min=40, max=116, avg=78.19, stdev=12.54 lat (msec): min=40, max=118, avg=78.31, stdev=12.55 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 58], 10.00th=[ 63], 20.00th=[ 68], | 30.00th=[ 72], 40.00th=[ 75], 50.00th=[ 78], 60.00th=[ 82], | 70.00th=[ 85], 80.00th=[ 89], 90.00th=[ 95], 95.00th=[ 101], | 99.00th=[ 107], 99.50th=[ 112], 99.90th=[ 115], 99.95th=[ 117], | 99.99th=[ 117] bw ( KiB/s): min= 680, max= 984, per=24.86%, avg=807.46, stdev=71.97, samples=24 iops : min= 170, max= 246, avg=201.67, stdev=18.01, samples=24 lat (msec) : 50=1.33%, 100=93.71%, 250=4.96% cpu : usr=0.29%, sys=1.86%, ctx=2859, 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 rand-write: (groupid=0, jobs=1): err= 0: pid=188328: Fri Oct 10 17:02:15 2025 write: IOPS=203, BW=816KiB/s (835kB/s)(10.0MiB/12554msec); 0 zone resets slat (usec): min=28, max=24790, avg=146.47, stdev=522.58 clat (msec): min=7, max=116, avg=77.91, stdev=13.35 lat (msec): min=7, max=118, avg=78.06, stdev=13.31 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 58], 10.00th=[ 63], 20.00th=[ 68], | 30.00th=[ 71], 40.00th=[ 74], 50.00th=[ 78], 60.00th=[ 82], | 70.00th=[ 85], 80.00th=[ 89], 90.00th=[ 95], 95.00th=[ 101], | 99.00th=[ 110], 99.50th=[ 114], 99.90th=[ 116], 99.95th=[ 116], | 99.99th=[ 116] bw ( KiB/s): min= 718, max= 1016, per=25.00%, avg=812.08, stdev=70.69, samples=24 iops : min= 179, max= 254, avg=202.83, stdev=17.69, samples=24 lat (msec) : 10=0.08%, 20=0.23%, 50=0.82%, 100=94.06%, 250=4.80% cpu : usr=0.35%, sys=2.28%, ctx=3108, 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 Run status group 0 (all jobs): WRITE: bw=3249KiB/s (3327kB/s), 812KiB/s-817KiB/s (832kB/s-836kB/s), io=40.0MiB (41.9MB), run=12537-12607msec 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=188340: Fri Oct 10 17:02:31 2025 read: IOPS=104, BW=417KiB/s (427kB/s)(5048KiB/12111msec) slat (usec): min=1596, max=18502, avg=5135.51, stdev=2079.84 clat (msec): min=34, max=134, avg=71.45, stdev=16.26 lat (msec): min=39, max=141, avg=76.59, stdev=16.99 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 50], 10.00th=[ 54], 20.00th=[ 58], | 30.00th=[ 61], 40.00th=[ 66], 50.00th=[ 70], 60.00th=[ 74], | 70.00th=[ 79], 80.00th=[ 85], 90.00th=[ 94], 95.00th=[ 104], | 99.00th=[ 116], 99.50th=[ 123], 99.90th=[ 132], 99.95th=[ 136], | 99.99th=[ 136] bw ( KiB/s): min= 232, max= 568, per=24.90%, avg=412.57, stdev=78.28, samples=23 iops : min= 58, max= 142, avg=102.74, stdev=19.54, samples=23 write: IOPS=107, BW=429KiB/s (439kB/s)(5192KiB/12111msec); 0 zone resets slat (usec): min=35, max=1784, avg=134.59, stdev=184.92 clat (msec): min=34, max=125, avg=73.69, stdev=16.50 lat (msec): min=34, max=127, avg=73.82, stdev=16.49 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 52], 10.00th=[ 55], 20.00th=[ 59], | 30.00th=[ 64], 40.00th=[ 68], 50.00th=[ 71], 60.00th=[ 75], | 70.00th=[ 81], 80.00th=[ 88], 90.00th=[ 99], 95.00th=[ 106], | 99.00th=[ 117], 99.50th=[ 122], 99.90th=[ 127], 99.95th=[ 127], | 99.99th=[ 127] bw ( KiB/s): min= 279, max= 598, per=24.69%, avg=425.87, stdev=73.60, samples=23 iops : min= 69, max= 149, avg=106.09, stdev=18.41, samples=23 lat (msec) : 50=5.23%, 100=87.30%, 250=7.46% cpu : usr=0.42%, sys=3.06%, ctx=4692, 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=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=188341: Fri Oct 10 17:02:31 2025 read: IOPS=103, BW=413KiB/s (423kB/s)(4976KiB/12059msec) slat (usec): min=38, max=19709, avg=5177.21, stdev=2162.75 clat (msec): min=6, max=140, avg=71.63, stdev=16.44 lat (msec): min=7, max=154, avg=76.81, stdev=17.24 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 50], 10.00th=[ 54], 20.00th=[ 58], | 30.00th=[ 63], 40.00th=[ 66], 50.00th=[ 70], 60.00th=[ 74], | 70.00th=[ 79], 80.00th=[ 85], 90.00th=[ 93], 95.00th=[ 102], | 99.00th=[ 121], 99.50th=[ 128], 99.90th=[ 140], 99.95th=[ 140], | 99.99th=[ 140] bw ( KiB/s): min= 264, max= 560, per=24.72%, avg=409.65, stdev=81.42, samples=23 iops : min= 66, max= 140, avg=102.04, stdev=20.38, samples=23 write: IOPS=109, BW=437KiB/s (447kB/s)(5264KiB/12059msec); 0 zone resets slat (usec): min=30, max=3714, avg=134.22, stdev=231.57 clat (msec): min=23, max=134, avg=73.50, stdev=16.37 lat (msec): min=24, max=134, avg=73.64, stdev=16.37 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 51], 10.00th=[ 55], 20.00th=[ 61], | 30.00th=[ 64], 40.00th=[ 68], 50.00th=[ 71], 60.00th=[ 75], | 70.00th=[ 81], 80.00th=[ 87], 90.00th=[ 96], 95.00th=[ 105], | 99.00th=[ 120], 99.50th=[ 125], 99.90th=[ 134], 99.95th=[ 136], | 99.99th=[ 136] bw ( KiB/s): min= 310, max= 574, per=25.22%, avg=435.09, stdev=74.44, samples=23 iops : min= 77, max= 143, avg=108.39, stdev=18.56, samples=23 lat (msec) : 10=0.04%, 20=0.08%, 50=5.00%, 100=88.55%, 250=6.33% cpu : usr=0.47%, sys=2.89%, ctx=4774, 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=188342: Fri Oct 10 17:02:31 2025 read: IOPS=103, BW=412KiB/s (422kB/s)(4984KiB/12095msec) slat (usec): min=1661, max=21403, avg=5192.83, stdev=2142.34 clat (msec): min=35, max=132, avg=71.17, stdev=15.85 lat (msec): min=40, max=145, avg=76.37, stdev=16.57 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 50], 10.00th=[ 54], 20.00th=[ 58], | 30.00th=[ 62], 40.00th=[ 66], 50.00th=[ 69], 60.00th=[ 73], | 70.00th=[ 79], 80.00th=[ 84], 90.00th=[ 93], 95.00th=[ 101], | 99.00th=[ 121], 99.50th=[ 123], 99.90th=[ 130], 99.95th=[ 132], | 99.99th=[ 132] bw ( KiB/s): min= 256, max= 590, per=24.90%, avg=412.52, stdev=82.27, samples=23 iops : min= 64, max= 147, avg=102.74, stdev=20.57, samples=23 write: IOPS=108, BW=435KiB/s (445kB/s)(5256KiB/12095msec); 0 zone resets slat (usec): min=31, max=7256, avg=140.28, stdev=281.30 clat (msec): min=8, max=133, avg=73.80, stdev=17.07 lat (msec): min=9, max=133, avg=73.94, stdev=17.08 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 51], 10.00th=[ 54], 20.00th=[ 59], | 30.00th=[ 64], 40.00th=[ 68], 50.00th=[ 71], 60.00th=[ 75], | 70.00th=[ 82], 80.00th=[ 89], 90.00th=[ 97], 95.00th=[ 107], | 99.00th=[ 120], 99.50th=[ 125], 99.90th=[ 131], 99.95th=[ 134], | 99.99th=[ 134] bw ( KiB/s): min= 271, max= 648, per=24.94%, avg=430.22, stdev=88.09, samples=23 iops : min= 67, max= 162, avg=107.17, stdev=22.08, samples=23 lat (msec) : 10=0.04%, 20=0.04%, 50=4.65%, 100=88.71%, 250=6.56% cpu : usr=0.35%, sys=3.12%, ctx=4774, 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=188343: Fri Oct 10 17:02:31 2025 read: IOPS=104, BW=418KiB/s (428kB/s)(5060KiB/12100msec) slat (usec): min=1662, max=18398, avg=5207.14, stdev=2020.81 clat (msec): min=36, max=133, avg=71.28, stdev=16.32 lat (msec): min=40, max=141, avg=76.49, stdev=17.08 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 50], 10.00th=[ 53], 20.00th=[ 58], | 30.00th=[ 62], 40.00th=[ 65], 50.00th=[ 69], 60.00th=[ 74], | 70.00th=[ 79], 80.00th=[ 85], 90.00th=[ 94], 95.00th=[ 103], | 99.00th=[ 118], 99.50th=[ 124], 99.90th=[ 128], 99.95th=[ 134], | 99.99th=[ 134] bw ( KiB/s): min= 239, max= 582, per=24.96%, avg=413.57, stdev=76.09, samples=23 iops : min= 59, max= 145, avg=103.00, stdev=19.05, samples=23 write: IOPS=107, BW=428KiB/s (438kB/s)(5180KiB/12100msec); 0 zone resets slat (usec): min=29, max=7520, avg=142.41, stdev=326.14 clat (msec): min=39, max=137, avg=73.65, stdev=16.77 lat (msec): min=39, max=137, avg=73.79, stdev=16.79 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 51], 10.00th=[ 54], 20.00th=[ 60], | 30.00th=[ 64], 40.00th=[ 68], 50.00th=[ 72], 60.00th=[ 75], | 70.00th=[ 81], 80.00th=[ 88], 90.00th=[ 97], 95.00th=[ 106], | 99.00th=[ 120], 99.50th=[ 128], 99.90th=[ 138], 99.95th=[ 138], | 99.99th=[ 138] bw ( KiB/s): min= 264, max= 600, per=24.74%, avg=426.70, stdev=84.38, samples=23 iops : min= 66, max= 150, avg=106.30, stdev=21.08, samples=23 lat (msec) : 50=5.94%, 100=87.11%, 250=6.95% cpu : usr=0.48%, sys=2.87%, ctx=4755, 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=1657KiB/s (1697kB/s), 412KiB/s-418KiB/s (422kB/s-428kB/s), io=19.6MiB (20.5MB), run=12059-12111msec WRITE: bw=1725KiB/s (1766kB/s), 428KiB/s-437KiB/s (438kB/s-447kB/s), io=20.4MiB (21.4MB), run=12059-12111msec 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=188349: Fri Oct 10 17:02:35 2025 read: IOPS=5, BW=214MiB/s (224MB/s)(40.0MiB/187msec) slat (nsec): min=16038k, max=16038k, avg=16037721.00, stdev= 0.00 clat (nsec): min=158694k, max=158694k, avg=158694324.00, stdev= 0.00 lat (nsec): min=174737k, max=174737k, avg=174736731.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 159], 10.00th=[ 159], 20.00th=[ 159], | 30.00th=[ 159], 40.00th=[ 159], 50.00th=[ 159], 60.00th=[ 159], | 70.00th=[ 159], 80.00th=[ 159], 90.00th=[ 159], 95.00th=[ 159], | 99.00th=[ 159], 99.50th=[ 159], 99.90th=[ 159], 99.95th=[ 159], | 99.99th=[ 159] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=6.45%, ctx=4, 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=214MiB/s (224MB/s), 214MiB/s-214MiB/s (224MB/s-224MB/s), io=40.0MiB (41.9MB), run=187-187msec 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