== sanity test 398c: run fio to test AIO ================= 19:42:33 (1753746153) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.279242 s, 150 MB/s osc.lustre-OST0000-osc-ffff8a1820549800.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=148628: Mon Jul 28 19:44:37 2025 write: IOPS=21, BW=86.0KiB/s (89.0kB/s)(10.0MiB/117760msec); 0 zone resets slat (usec): min=25, max=7070, avg=229.85, stdev=488.23 clat (msec): min=65, max=1304, avg=735.19, stdev=159.41 lat (msec): min=65, max=1304, avg=735.43, stdev=159.42 clat percentiles (msec): | 1.00th=[ 334], 5.00th=[ 477], 10.00th=[ 550], 20.00th=[ 617], | 30.00th=[ 651], 40.00th=[ 701], 50.00th=[ 743], 60.00th=[ 776], | 70.00th=[ 810], 80.00th=[ 852], 90.00th=[ 927], 95.00th=[ 995], | 99.00th=[ 1150], 99.50th=[ 1200], 99.90th=[ 1234], 99.95th=[ 1267], | 99.99th=[ 1301] bw ( KiB/s): min= 15, max= 221, per=24.83%, avg=86.16, stdev=27.67, samples=234 iops : min= 3, max= 55, avg=21.06, stdev= 6.94, samples=234 lat (msec) : 100=0.12%, 250=0.70%, 500=5.39%, 750=47.50%, 1000=41.64% lat (msec) : 2000=4.65% cpu : usr=0.06%, sys=0.37%, ctx=1757, 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=148629: Mon Jul 28 19:44:37 2025 write: IOPS=21, BW=87.0KiB/s (89.1kB/s)(10.0MiB/117649msec); 0 zone resets slat (usec): min=27, max=5428, avg=226.34, stdev=443.39 clat (msec): min=79, max=1253, avg=734.76, stdev=161.62 lat (msec): min=79, max=1253, avg=734.99, stdev=161.64 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 481], 10.00th=[ 558], 20.00th=[ 617], | 30.00th=[ 651], 40.00th=[ 693], 50.00th=[ 726], 60.00th=[ 768], | 70.00th=[ 810], 80.00th=[ 860], 90.00th=[ 936], 95.00th=[ 1003], | 99.00th=[ 1133], 99.50th=[ 1183], 99.90th=[ 1217], 99.95th=[ 1234], | 99.99th=[ 1250] bw ( KiB/s): min= 7, max= 214, per=25.16%, avg=87.30, stdev=28.73, samples=231 iops : min= 1, max= 53, avg=21.35, stdev= 7.23, samples=231 lat (msec) : 100=0.62%, 500=5.70%, 750=49.06%, 1000=39.22%, 2000=5.39% cpu : usr=0.06%, sys=0.39%, ctx=1672, 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=148630: Mon Jul 28 19:44:37 2025 write: IOPS=21, BW=86.9KiB/s (88.0kB/s)(10.0MiB/117824msec); 0 zone resets slat (usec): min=27, max=20290, avg=223.20, stdev=602.53 clat (msec): min=270, max=1256, avg=735.59, stdev=154.58 lat (msec): min=270, max=1256, avg=735.82, stdev=154.61 clat percentiles (msec): | 1.00th=[ 305], 5.00th=[ 485], 10.00th=[ 550], 20.00th=[ 617], | 30.00th=[ 651], 40.00th=[ 693], 50.00th=[ 735], 60.00th=[ 776], | 70.00th=[ 810], 80.00th=[ 852], 90.00th=[ 919], 95.00th=[ 1003], | 99.00th=[ 1150], 99.50th=[ 1200], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 7, max= 198, per=24.86%, avg=86.25, stdev=31.50, samples=234 iops : min= 1, max= 49, avg=21.09, stdev= 7.90, samples=234 lat (msec) : 500=5.47%, 750=48.83%, 1000=40.86%, 2000=4.84% cpu : usr=0.06%, sys=0.35%, ctx=1686, 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=148631: Mon Jul 28 19:44:37 2025 write: IOPS=21, BW=86.8KiB/s (88.9kB/s)(10.0MiB/117916msec); 0 zone resets slat (usec): min=27, max=7410, avg=206.54, stdev=445.60 clat (msec): min=152, max=1289, avg=736.22, stdev=156.40 lat (msec): min=152, max=1289, avg=736.43, stdev=156.40 clat percentiles (msec): | 1.00th=[ 409], 5.00th=[ 477], 10.00th=[ 550], 20.00th=[ 609], | 30.00th=[ 651], 40.00th=[ 693], 50.00th=[ 743], 60.00th=[ 776], | 70.00th=[ 810], 80.00th=[ 852], 90.00th=[ 927], 95.00th=[ 986], | 99.00th=[ 1150], 99.50th=[ 1217], 99.90th=[ 1267], 99.95th=[ 1284], | 99.99th=[ 1284] bw ( KiB/s): min= 15, max= 256, per=24.93%, avg=86.51, stdev=29.66, samples=233 iops : min= 3, max= 64, avg=21.15, stdev= 7.45, samples=233 lat (msec) : 250=0.04%, 500=6.60%, 750=46.84%, 1000=41.95%, 2000=4.57% cpu : usr=0.06%, sys=0.33%, ctx=1607, 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=347KiB/s (356kB/s), 86.8KiB/s-87.0KiB/s (88.9kB/s-89.1kB/s), io=40.0MiB (41.9MB), run=117649-117916msec 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=148658: Mon Jul 28 19:45:44 2025 read: IOPS=20, BW=80.5KiB/s (82.4kB/s)(5048KiB/62711msec) slat (usec): min=2309, max=22109, avg=7417.13, stdev=2988.38 clat (msec): min=14, max=505, avg=260.86, stdev=56.63 lat (msec): min=20, max=515, avg=268.28, stdev=57.15 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 171], 10.00th=[ 190], 20.00th=[ 218], | 30.00th=[ 232], 40.00th=[ 245], 50.00th=[ 259], 60.00th=[ 271], | 70.00th=[ 288], 80.00th=[ 305], 90.00th=[ 338], 95.00th=[ 355], | 99.00th=[ 401], 99.50th=[ 435], 99.90th=[ 477], 99.95th=[ 506], | 99.99th=[ 506] bw ( KiB/s): min= 15, max= 167, per=25.09%, avg=80.02, stdev=26.42, samples=124 iops : min= 3, max= 41, avg=19.52, stdev= 6.69, samples=124 write: IOPS=20, BW=82.8KiB/s (84.8kB/s)(5192KiB/62711msec); 0 zone resets slat (usec): min=22, max=4460, avg=219.58, stdev=338.64 clat (msec): min=204, max=849, avg=510.19, stdev=122.13 lat (msec): min=204, max=849, avg=510.41, stdev=122.13 clat percentiles (msec): | 1.00th=[ 255], 5.00th=[ 305], 10.00th=[ 347], 20.00th=[ 405], | 30.00th=[ 439], 40.00th=[ 477], 50.00th=[ 514], 60.00th=[ 542], | 70.00th=[ 584], 80.00th=[ 625], 90.00th=[ 676], 95.00th=[ 709], | 99.00th=[ 760], 99.50th=[ 776], 99.90th=[ 844], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 32, max= 135, per=24.79%, avg=82.29, stdev=23.44, samples=124 iops : min= 8, max= 33, avg=20.08, stdev= 5.86, samples=124 lat (msec) : 20=0.04%, 50=0.04%, 100=0.16%, 250=21.60%, 500=50.78% lat (msec) : 750=26.80%, 1000=0.59% cpu : usr=0.14%, sys=1.04%, ctx=2973, 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=148659: Mon Jul 28 19:45:44 2025 read: IOPS=19, BW=79.3KiB/s (81.2kB/s)(4976KiB/62749msec) slat (usec): min=35, max=21738, avg=7370.68, stdev=2971.24 clat (msec): min=8, max=612, avg=261.81, stdev=58.32 lat (msec): min=13, max=620, avg=269.19, stdev=59.09 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 178], 10.00th=[ 197], 20.00th=[ 220], | 30.00th=[ 234], 40.00th=[ 247], 50.00th=[ 259], 60.00th=[ 271], | 70.00th=[ 288], 80.00th=[ 305], 90.00th=[ 334], 95.00th=[ 355], | 99.00th=[ 460], 99.50th=[ 477], 99.90th=[ 609], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 24, max= 168, per=24.69%, avg=78.77, stdev=26.61, samples=124 iops : min= 6, max= 42, avg=19.20, stdev= 6.73, samples=124 write: IOPS=20, BW=83.9KiB/s (85.9kB/s)(5264KiB/62749msec); 0 zone resets slat (usec): min=29, max=3831, avg=218.52, stdev=336.42 clat (msec): min=74, max=820, avg=507.54, stdev=123.33 lat (msec): min=74, max=820, avg=507.76, stdev=123.36 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 300], 10.00th=[ 347], 20.00th=[ 401], | 30.00th=[ 451], 40.00th=[ 481], 50.00th=[ 514], 60.00th=[ 542], | 70.00th=[ 575], 80.00th=[ 617], 90.00th=[ 667], 95.00th=[ 709], | 99.00th=[ 760], 99.50th=[ 793], 99.90th=[ 818], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 31, max= 144, per=25.16%, avg=83.54, stdev=21.43, samples=124 iops : min= 7, max= 36, avg=20.40, stdev= 5.37, samples=124 lat (msec) : 10=0.04%, 20=0.08%, 50=0.08%, 100=0.23%, 250=21.29% lat (msec) : 500=50.47%, 750=27.11%, 1000=0.70% cpu : usr=0.13%, sys=1.06%, ctx=2934, 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=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=148660: Mon Jul 28 19:45:44 2025 read: IOPS=19, BW=79.5KiB/s (81.4kB/s)(4984KiB/62710msec) slat (usec): min=1878, max=28628, avg=7436.86, stdev=3047.27 clat (msec): min=5, max=504, avg=259.44, stdev=59.33 lat (msec): min=10, max=522, avg=266.89, stdev=60.00 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 169], 10.00th=[ 190], 20.00th=[ 218], | 30.00th=[ 232], 40.00th=[ 245], 50.00th=[ 259], 60.00th=[ 271], | 70.00th=[ 288], 80.00th=[ 305], 90.00th=[ 334], 95.00th=[ 355], | 99.00th=[ 405], 99.50th=[ 435], 99.90th=[ 481], 99.95th=[ 506], | 99.99th=[ 506] bw ( KiB/s): min= 15, max= 151, per=24.86%, avg=79.31, stdev=26.89, samples=124 iops : min= 3, max= 37, avg=19.33, stdev= 6.69, samples=124 write: IOPS=20, BW=83.8KiB/s (85.8kB/s)(5256KiB/62710msec); 0 zone resets slat (usec): min=31, max=7340, avg=227.96, stdev=429.72 clat (msec): min=100, max=852, avg=508.93, stdev=119.88 lat (msec): min=101, max=852, avg=509.16, stdev=119.89 clat percentiles (msec): | 1.00th=[ 255], 5.00th=[ 309], 10.00th=[ 347], 20.00th=[ 405], | 30.00th=[ 447], 40.00th=[ 481], 50.00th=[ 514], 60.00th=[ 542], | 70.00th=[ 584], 80.00th=[ 617], 90.00th=[ 667], 95.00th=[ 701], | 99.00th=[ 751], 99.50th=[ 793], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 23, max= 152, per=25.03%, avg=83.11, stdev=24.23, samples=124 iops : min= 5, max= 38, avg=20.28, stdev= 6.14, samples=124 lat (msec) : 10=0.08%, 20=0.12%, 50=0.20%, 100=0.12%, 250=21.33% lat (msec) : 500=50.20%, 750=27.38%, 1000=0.59% cpu : usr=0.14%, sys=1.06%, ctx=3083, majf=0, minf=13 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=148661: Mon Jul 28 19:45:44 2025 read: IOPS=20, BW=80.6KiB/s (82.6kB/s)(5060KiB/62745msec) slat (usec): min=2237, max=22680, avg=7370.09, stdev=2972.08 clat (msec): min=9, max=496, avg=263.30, stdev=57.26 lat (msec): min=17, max=507, avg=270.68, stdev=57.90 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 171], 10.00th=[ 192], 20.00th=[ 218], | 30.00th=[ 234], 40.00th=[ 249], 50.00th=[ 259], 60.00th=[ 275], | 70.00th=[ 292], 80.00th=[ 309], 90.00th=[ 338], 95.00th=[ 359], | 99.00th=[ 405], 99.50th=[ 443], 99.90th=[ 468], 99.95th=[ 498], | 99.99th=[ 498] bw ( KiB/s): min= 24, max= 143, per=25.20%, avg=80.38, stdev=25.06, samples=124 iops : min= 6, max= 35, avg=19.60, stdev= 6.24, samples=124 write: IOPS=20, BW=82.6KiB/s (84.5kB/s)(5180KiB/62745msec); 0 zone resets slat (usec): min=28, max=3465, avg=226.21, stdev=346.38 clat (msec): min=105, max=852, avg=509.03, stdev=121.46 lat (msec): min=107, max=852, avg=509.26, stdev=121.47 clat percentiles (msec): | 1.00th=[ 239], 5.00th=[ 309], 10.00th=[ 351], 20.00th=[ 397], | 30.00th=[ 443], 40.00th=[ 485], 50.00th=[ 510], 60.00th=[ 542], | 70.00th=[ 575], 80.00th=[ 617], 90.00th=[ 667], 95.00th=[ 701], | 99.00th=[ 776], 99.50th=[ 793], 99.90th=[ 818], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 31, max= 176, per=24.63%, avg=81.76, stdev=22.91, samples=124 iops : min= 7, max= 44, avg=19.94, stdev= 5.78, samples=124 lat (msec) : 10=0.04%, 50=0.08%, 100=0.08%, 250=21.02%, 500=51.48% lat (msec) : 750=26.48%, 1000=0.82% cpu : usr=0.14%, sys=1.04%, ctx=2911, majf=0, minf=15 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=320KiB/s (327kB/s), 79.3KiB/s-80.6KiB/s (81.2kB/s-82.6kB/s), io=19.6MiB (20.5MB), run=62710-62749msec WRITE: bw=333KiB/s (341kB/s), 82.6KiB/s-83.9KiB/s (84.5kB/s-85.9kB/s), io=20.4MiB (21.4MB), run=62710-62749msec 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=148674: Mon Jul 28 19:45:49 2025 read: IOPS=4, BW=176MiB/s (185MB/s)(40.0MiB/227msec) slat (nsec): min=14773k, max=14773k, avg=14772548.00, stdev= 0.00 clat (nsec): min=199611k, max=199611k, avg=199610840.00, stdev= 0.00 lat (nsec): min=214389k, max=214389k, avg=214389112.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 201], 5.00th=[ 201], 10.00th=[ 201], 20.00th=[ 201], | 30.00th=[ 201], 40.00th=[ 201], 50.00th=[ 201], 60.00th=[ 201], | 70.00th=[ 201], 80.00th=[ 201], 90.00th=[ 201], 95.00th=[ 201], | 99.00th=[ 201], 99.50th=[ 201], 99.90th=[ 201], 99.95th=[ 201], | 99.99th=[ 201] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=6.64%, ctx=3, 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=176MiB/s (185MB/s), 176MiB/s-176MiB/s (185MB/s-185MB/s), io=40.0MiB (41.9MB), run=227-227msec 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