== sanity test 398c: run fio to test AIO ================= 06:11:53 (1762168313) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.171133 s, 245 MB/s osc.lustre-OST0000-osc-ffff9174ecf90800.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=155766: Mon Nov 3 06:12:50 2025 write: IOPS=48, BW=194KiB/s (198kB/s)(10.0MiB/52828msec); 0 zone resets slat (usec): min=30, max=2782, avg=120.61, stdev=114.74 clat (msec): min=79, max=802, avg=329.68, stdev=103.43 lat (msec): min=79, max=802, avg=329.80, stdev=103.44 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 180], 10.00th=[ 218], 20.00th=[ 247], | 30.00th=[ 266], 40.00th=[ 288], 50.00th=[ 309], 60.00th=[ 342], | 70.00th=[ 380], 80.00th=[ 418], 90.00th=[ 472], 95.00th=[ 518], | 99.00th=[ 609], 99.50th=[ 659], 99.90th=[ 776], 99.95th=[ 776], | 99.99th=[ 802] bw ( KiB/s): min= 88, max= 421, per=24.87%, avg=192.74, stdev=56.85, samples=105 iops : min= 22, max= 105, avg=47.98, stdev=14.23, samples=105 lat (msec) : 100=0.62%, 250=21.60%, 500=71.60%, 750=5.98%, 1000=0.20% cpu : usr=0.09%, sys=0.51%, ctx=3058, 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=155767: Mon Nov 3 06:12:50 2025 write: IOPS=48, BW=195KiB/s (199kB/s)(10.0MiB/52634msec); 0 zone resets slat (usec): min=20, max=2284, avg=118.72, stdev=118.27 clat (msec): min=36, max=801, avg=328.50, stdev=103.09 lat (msec): min=37, max=802, avg=328.62, stdev=103.09 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 178], 10.00th=[ 213], 20.00th=[ 243], | 30.00th=[ 266], 40.00th=[ 288], 50.00th=[ 313], 60.00th=[ 342], | 70.00th=[ 376], 80.00th=[ 414], 90.00th=[ 468], 95.00th=[ 514], | 99.00th=[ 600], 99.50th=[ 642], 99.90th=[ 785], 99.95th=[ 785], | 99.99th=[ 802] bw ( KiB/s): min= 88, max= 421, per=24.99%, avg=193.68, stdev=59.61, samples=104 iops : min= 22, max= 105, avg=48.22, stdev=14.91, samples=104 lat (msec) : 50=0.04%, 100=0.62%, 250=22.62%, 500=70.59%, 750=5.98% lat (msec) : 1000=0.16% cpu : usr=0.07%, sys=0.52%, ctx=2889, 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=155768: Mon Nov 3 06:12:50 2025 write: IOPS=48, BW=194KiB/s (199kB/s)(10.0MiB/52695msec); 0 zone resets slat (usec): min=20, max=3208, avg=119.41, stdev=132.21 clat (msec): min=54, max=806, avg=329.08, stdev=104.32 lat (msec): min=54, max=806, avg=329.20, stdev=104.33 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 178], 10.00th=[ 215], 20.00th=[ 245], | 30.00th=[ 268], 40.00th=[ 288], 50.00th=[ 313], 60.00th=[ 342], | 70.00th=[ 372], 80.00th=[ 414], 90.00th=[ 468], 95.00th=[ 523], | 99.00th=[ 600], 99.50th=[ 701], 99.90th=[ 802], 99.95th=[ 802], | 99.99th=[ 810] bw ( KiB/s): min= 72, max= 421, per=24.94%, avg=193.30, stdev=61.18, samples=104 iops : min= 18, max= 105, avg=48.13, stdev=15.30, samples=104 lat (msec) : 100=0.62%, 250=21.41%, 500=71.64%, 750=6.02%, 1000=0.31% cpu : usr=0.06%, sys=0.52%, ctx=2923, 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=155769: Mon Nov 3 06:12:50 2025 write: IOPS=48, BW=194KiB/s (198kB/s)(10.0MiB/52827msec); 0 zone resets slat (usec): min=26, max=2435, avg=116.22, stdev=95.71 clat (msec): min=33, max=808, avg=329.68, stdev=102.98 lat (msec): min=33, max=808, avg=329.79, stdev=102.99 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 180], 10.00th=[ 213], 20.00th=[ 245], | 30.00th=[ 271], 40.00th=[ 288], 50.00th=[ 313], 60.00th=[ 342], | 70.00th=[ 376], 80.00th=[ 414], 90.00th=[ 472], 95.00th=[ 514], | 99.00th=[ 600], 99.50th=[ 667], 99.90th=[ 810], 99.95th=[ 810], | 99.99th=[ 810] bw ( KiB/s): min= 64, max= 384, per=24.90%, avg=192.94, stdev=59.30, samples=105 iops : min= 16, max= 96, avg=48.03, stdev=14.84, samples=105 lat (msec) : 50=0.08%, 100=0.12%, 250=21.29%, 500=72.03%, 750=6.29% lat (msec) : 1000=0.20% cpu : usr=0.09%, sys=0.49%, ctx=3097, 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=775KiB/s (794kB/s), 194KiB/s-195KiB/s (198kB/s-199kB/s), io=40.0MiB (41.9MB), run=52634-52828msec 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=155786: Mon Nov 3 06:13:22 2025 read: IOPS=44, BW=179KiB/s (183kB/s)(5048KiB/28187msec) slat (usec): min=1284, max=129058, avg=3443.50, stdev=5046.80 clat (msec): min=4, max=350, avg=112.28, stdev=30.96 lat (msec): min=6, max=354, avg=115.72, stdev=31.44 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 74], 10.00th=[ 82], 20.00th=[ 90], | 30.00th=[ 96], 40.00th=[ 103], 50.00th=[ 109], 60.00th=[ 114], | 70.00th=[ 122], 80.00th=[ 133], 90.00th=[ 153], 95.00th=[ 163], | 99.00th=[ 192], 99.50th=[ 234], 99.90th=[ 313], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 96, max= 320, per=25.08%, avg=178.30, stdev=52.18, samples=56 iops : min= 24, max= 80, avg=44.45, stdev=13.06, samples=56 write: IOPS=46, BW=184KiB/s (189kB/s)(5192KiB/28187msec); 0 zone resets slat (usec): min=38, max=1519, avg=125.64, stdev=88.44 clat (msec): min=88, max=461, avg=234.17, stdev=63.84 lat (msec): min=88, max=462, avg=234.30, stdev=63.85 clat percentiles (msec): | 1.00th=[ 128], 5.00th=[ 146], 10.00th=[ 157], 20.00th=[ 176], | 30.00th=[ 192], 40.00th=[ 207], 50.00th=[ 224], 60.00th=[ 245], | 70.00th=[ 266], 80.00th=[ 296], 90.00th=[ 326], 95.00th=[ 347], | 99.00th=[ 401], 99.50th=[ 414], 99.90th=[ 464], 99.95th=[ 464], | 99.99th=[ 464] bw ( KiB/s): min= 96, max= 264, per=24.78%, avg=183.63, stdev=37.28, samples=56 iops : min= 24, max= 66, avg=45.79, stdev= 9.35, samples=56 lat (msec) : 10=0.20%, 20=0.16%, 50=0.20%, 100=16.88%, 250=63.87% lat (msec) : 500=18.71% cpu : usr=0.23%, sys=1.36%, ctx=4959, 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=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=155787: Mon Nov 3 06:13:22 2025 read: IOPS=44, BW=177KiB/s (181kB/s)(4976KiB/28123msec) slat (usec): min=1134, max=8712, avg=3232.96, stdev=1157.44 clat (msec): min=7, max=227, avg=112.13, stdev=28.59 lat (msec): min=11, max=231, avg=115.36, stdev=28.89 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 72], 10.00th=[ 81], 20.00th=[ 90], | 30.00th=[ 97], 40.00th=[ 103], 50.00th=[ 110], 60.00th=[ 117], | 70.00th=[ 126], 80.00th=[ 134], 90.00th=[ 148], 95.00th=[ 165], | 99.00th=[ 190], 99.50th=[ 197], 99.90th=[ 226], 99.95th=[ 228], | 99.99th=[ 228] bw ( KiB/s): min= 88, max= 304, per=24.81%, avg=176.42, stdev=56.02, samples=55 iops : min= 22, max= 76, avg=43.98, stdev=14.06, samples=55 write: IOPS=46, BW=187KiB/s (192kB/s)(5264KiB/28123msec); 0 zone resets slat (usec): min=22, max=1059, avg=121.24, stdev=70.27 clat (msec): min=81, max=411, avg=232.31, stdev=62.25 lat (msec): min=81, max=411, avg=232.43, stdev=62.25 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 144], 10.00th=[ 159], 20.00th=[ 178], | 30.00th=[ 194], 40.00th=[ 211], 50.00th=[ 226], 60.00th=[ 243], | 70.00th=[ 264], 80.00th=[ 288], 90.00th=[ 321], 95.00th=[ 342], | 99.00th=[ 397], 99.50th=[ 401], 99.90th=[ 409], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 120, max= 272, per=25.21%, avg=186.82, stdev=38.16, samples=55 iops : min= 30, max= 68, avg=46.58, stdev= 9.55, samples=55 lat (msec) : 10=0.12%, 20=0.16%, 50=0.16%, 100=17.42%, 250=64.02% lat (msec) : 500=18.12% cpu : usr=0.23%, sys=1.36%, ctx=5043, 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=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=155788: Mon Nov 3 06:13:22 2025 read: IOPS=44, BW=177KiB/s (181kB/s)(4984KiB/28187msec) slat (usec): min=1347, max=9672, avg=3244.28, stdev=1155.09 clat (msec): min=2, max=201, avg=111.46, stdev=26.84 lat (msec): min=6, max=206, avg=114.71, stdev=27.11 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 75], 10.00th=[ 83], 20.00th=[ 91], | 30.00th=[ 97], 40.00th=[ 103], 50.00th=[ 108], 60.00th=[ 115], | 70.00th=[ 123], 80.00th=[ 132], 90.00th=[ 148], 95.00th=[ 165], | 99.00th=[ 182], 99.50th=[ 186], 99.90th=[ 199], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 88, max= 288, per=24.86%, avg=176.79, stdev=51.11, samples=56 iops : min= 22, max= 72, avg=44.07, stdev=12.76, samples=56 write: IOPS=46, BW=186KiB/s (191kB/s)(5256KiB/28187msec); 0 zone resets slat (usec): min=32, max=3121, avg=124.07, stdev=108.18 clat (msec): min=72, max=426, avg=233.71, stdev=62.54 lat (msec): min=72, max=426, avg=233.84, stdev=62.55 clat percentiles (msec): | 1.00th=[ 118], 5.00th=[ 146], 10.00th=[ 159], 20.00th=[ 178], | 30.00th=[ 194], 40.00th=[ 211], 50.00th=[ 226], 60.00th=[ 243], | 70.00th=[ 262], 80.00th=[ 292], 90.00th=[ 326], 95.00th=[ 347], | 99.00th=[ 397], 99.50th=[ 409], 99.90th=[ 426], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 104, max= 272, per=24.99%, avg=185.20, stdev=37.18, samples=56 iops : min= 26, max= 68, avg=46.18, stdev= 9.33, samples=56 lat (msec) : 4=0.04%, 10=0.08%, 20=0.04%, 50=0.16%, 100=17.19% lat (msec) : 250=63.95%, 500=18.55% cpu : usr=0.18%, sys=1.40%, ctx=5051, 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=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=155789: Mon Nov 3 06:13:22 2025 read: IOPS=45, BW=181KiB/s (185kB/s)(5060KiB/27970msec) slat (usec): min=34, max=9685, avg=3214.78, stdev=1183.94 clat (msec): min=4, max=286, avg=111.89, stdev=29.65 lat (msec): min=6, max=289, avg=115.11, stdev=29.97 clat percentiles (msec): | 1.00th=[ 19], 5.00th=[ 72], 10.00th=[ 82], 20.00th=[ 90], | 30.00th=[ 97], 40.00th=[ 103], 50.00th=[ 109], 60.00th=[ 116], | 70.00th=[ 125], 80.00th=[ 133], 90.00th=[ 150], 95.00th=[ 167], | 99.00th=[ 188], 99.50th=[ 201], 99.90th=[ 249], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 64, max= 272, per=25.57%, avg=181.78, stdev=46.83, samples=55 iops : min= 16, max= 68, avg=45.33, stdev=11.76, samples=55 write: IOPS=46, BW=185KiB/s (190kB/s)(5180KiB/27970msec); 0 zone resets slat (usec): min=37, max=1442, avg=124.35, stdev=85.16 clat (msec): min=28, max=515, avg=232.71, stdev=67.26 lat (msec): min=28, max=515, avg=232.84, stdev=67.27 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 142], 10.00th=[ 159], 20.00th=[ 176], | 30.00th=[ 192], 40.00th=[ 207], 50.00th=[ 224], 60.00th=[ 243], | 70.00th=[ 268], 80.00th=[ 292], 90.00th=[ 321], 95.00th=[ 347], | 99.00th=[ 409], 99.50th=[ 422], 99.90th=[ 502], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 96, max= 272, per=24.96%, avg=184.96, stdev=43.09, samples=55 iops : min= 24, max= 68, avg=46.11, stdev=10.77, samples=55 lat (msec) : 10=0.35%, 20=0.20%, 50=0.31%, 100=17.15%, 250=63.09% lat (msec) : 500=18.83%, 750=0.08% cpu : usr=0.18%, sys=1.43%, ctx=4966, 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=712KiB/s (729kB/s), 177KiB/s-181KiB/s (181kB/s-185kB/s), io=19.6MiB (20.5MB), run=27970-28187msec WRITE: bw=741KiB/s (759kB/s), 184KiB/s-187KiB/s (189kB/s-192kB/s), io=20.4MiB (21.4MB), run=27970-28187msec 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=155797: Mon Nov 3 06:13:26 2025 read: IOPS=9, BW=388MiB/s (407MB/s)(40.0MiB/103msec) slat (nsec): min=12018k, max=12018k, avg=12018091.00, stdev= 0.00 clat (nsec): min=84793k, max=84793k, avg=84793413.00, stdev= 0.00 lat (nsec): min=96817k, max=96817k, avg=96816809.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[84411], 5.00th=[84411], 10.00th=[84411], 20.00th=[84411], | 30.00th=[84411], 40.00th=[84411], 50.00th=[84411], 60.00th=[84411], | 70.00th=[84411], 80.00th=[84411], 90.00th=[84411], 95.00th=[84411], | 99.00th=[84411], 99.50th=[84411], 99.90th=[84411], 99.95th=[84411], | 99.99th=[84411] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=10.78%, ctx=42, 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=388MiB/s (407MB/s), 388MiB/s-388MiB/s (407MB/s-407MB/s), io=40.0MiB (41.9MB), run=103-103msec 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