== sanity test 398c: run fio to test AIO ================= 23:20:54 (1764735654) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.220674 s, 190 MB/s osc.lustre-OST0000-osc-ffff959f324ec000.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=161151: Tue Dec 2 23:22:41 2025 write: IOPS=25, BW=100KiB/s (103kB/s)(10.0MiB/102033msec); 0 zone resets slat (usec): min=24, max=18416, avg=155.39, stdev=461.97 clat (msec): min=49, max=1251, avg=637.26, stdev=175.17 lat (msec): min=49, max=1252, avg=637.41, stdev=175.17 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 372], 10.00th=[ 435], 20.00th=[ 506], | 30.00th=[ 558], 40.00th=[ 600], 50.00th=[ 642], 60.00th=[ 676], | 70.00th=[ 718], 80.00th=[ 768], 90.00th=[ 852], 95.00th=[ 927], | 99.00th=[ 1099], 99.50th=[ 1116], 99.90th=[ 1234], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 16, max= 366, per=24.75%, avg=99.27, stdev=36.39, samples=203 iops : min= 4, max= 91, avg=24.34, stdev= 9.12, samples=203 lat (msec) : 50=0.04%, 100=0.62%, 250=2.19%, 500=15.27%, 750=58.98% lat (msec) : 1000=20.12%, 2000=2.77% cpu : usr=0.06%, sys=0.34%, ctx=1947, 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=161152: Tue Dec 2 23:22:41 2025 write: IOPS=25, BW=100KiB/s (103kB/s)(10.0MiB/102137msec); 0 zone resets slat (usec): min=24, max=4410, avg=140.77, stdev=279.15 clat (msec): min=132, max=1223, avg=637.64, stdev=170.01 lat (msec): min=132, max=1223, avg=637.78, stdev=170.02 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 368], 10.00th=[ 439], 20.00th=[ 514], | 30.00th=[ 558], 40.00th=[ 600], 50.00th=[ 634], 60.00th=[ 667], | 70.00th=[ 718], 80.00th=[ 760], 90.00th=[ 844], 95.00th=[ 927], | 99.00th=[ 1083], 99.50th=[ 1116], 99.90th=[ 1183], 99.95th=[ 1183], | 99.99th=[ 1217] bw ( KiB/s): min= 8, max= 319, per=24.77%, avg=99.31, stdev=35.42, samples=203 iops : min= 2, max= 79, avg=24.35, stdev= 8.89, samples=203 lat (msec) : 250=2.54%, 500=15.55%, 750=59.18%, 1000=20.16%, 2000=2.58% cpu : usr=0.06%, sys=0.32%, ctx=1876, 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=161153: Tue Dec 2 23:22:41 2025 write: IOPS=25, BW=100KiB/s (103kB/s)(10.0MiB/102078msec); 0 zone resets slat (usec): min=28, max=4263, avg=138.87, stdev=252.48 clat (msec): min=86, max=1199, avg=637.22, stdev=174.85 lat (msec): min=86, max=1200, avg=637.36, stdev=174.86 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 368], 10.00th=[ 426], 20.00th=[ 506], | 30.00th=[ 558], 40.00th=[ 600], 50.00th=[ 634], 60.00th=[ 667], | 70.00th=[ 718], 80.00th=[ 768], 90.00th=[ 852], 95.00th=[ 927], | 99.00th=[ 1099], 99.50th=[ 1133], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 7, max= 320, per=24.77%, avg=99.31, stdev=35.32, samples=203 iops : min= 1, max= 80, avg=24.36, stdev= 8.90, samples=203 lat (msec) : 100=0.62%, 250=1.95%, 500=14.96%, 750=59.49%, 1000=20.74% lat (msec) : 2000=2.23% cpu : usr=0.05%, sys=0.34%, ctx=1821, 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=161154: Tue Dec 2 23:22:41 2025 write: IOPS=25, BW=100KiB/s (103kB/s)(10.0MiB/102034msec); 0 zone resets slat (usec): min=29, max=3217, avg=144.43, stdev=219.99 clat (msec): min=88, max=1183, avg=636.88, stdev=171.84 lat (msec): min=88, max=1183, avg=637.03, stdev=171.85 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 368], 10.00th=[ 430], 20.00th=[ 510], | 30.00th=[ 558], 40.00th=[ 600], 50.00th=[ 642], 60.00th=[ 667], | 70.00th=[ 718], 80.00th=[ 768], 90.00th=[ 852], 95.00th=[ 927], | 99.00th=[ 1070], 99.50th=[ 1099], 99.90th=[ 1133], 99.95th=[ 1150], | 99.99th=[ 1183] bw ( KiB/s): min= 8, max= 320, per=24.76%, avg=99.30, stdev=35.62, samples=203 iops : min= 2, max= 80, avg=24.36, stdev= 8.95, samples=203 lat (msec) : 100=0.31%, 250=2.27%, 500=15.39%, 750=59.73%, 1000=19.80% lat (msec) : 2000=2.50% cpu : usr=0.05%, sys=0.37%, ctx=2170, 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=401KiB/s (411kB/s), 100KiB/s-100KiB/s (103kB/s-103kB/s), io=40.0MiB (41.9MB), run=102033-102137msec 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=161178: Tue Dec 2 23:23:41 2025 read: IOPS=22, BW=89.8KiB/s (91.0kB/s)(5048KiB/56214msec) slat (usec): min=1444, max=20931, avg=6533.95, stdev=2824.22 clat (msec): min=8, max=438, avg=223.20, stdev=51.88 lat (msec): min=14, max=445, avg=229.74, stdev=52.40 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 144], 10.00th=[ 159], 20.00th=[ 184], | 30.00th=[ 199], 40.00th=[ 211], 50.00th=[ 224], 60.00th=[ 234], | 70.00th=[ 247], 80.00th=[ 264], 90.00th=[ 288], 95.00th=[ 309], | 99.00th=[ 351], 99.50th=[ 355], 99.90th=[ 426], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 23, max= 159, per=25.14%, avg=89.50, stdev=31.25, samples=111 iops : min= 5, max= 39, avg=21.94, stdev= 7.83, samples=111 write: IOPS=23, BW=92.4KiB/s (94.6kB/s)(5192KiB/56214msec); 0 zone resets slat (usec): min=35, max=3342, avg=159.45, stdev=233.76 clat (msec): min=153, max=822, avg=468.36, stdev=114.86 lat (msec): min=153, max=822, avg=468.52, stdev=114.87 clat percentiles (msec): | 1.00th=[ 236], 5.00th=[ 305], 10.00th=[ 326], 20.00th=[ 372], | 30.00th=[ 401], 40.00th=[ 435], 50.00th=[ 456], 60.00th=[ 485], | 70.00th=[ 518], 80.00th=[ 558], 90.00th=[ 625], 95.00th=[ 684], | 99.00th=[ 760], 99.50th=[ 776], 99.90th=[ 810], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 40, max= 168, per=24.74%, avg=91.79, stdev=24.80, samples=111 iops : min= 10, max= 42, avg=22.50, stdev= 6.21, samples=111 lat (msec) : 10=0.04%, 20=0.04%, 50=0.20%, 100=0.20%, 250=35.82% lat (msec) : 500=45.90%, 750=17.19%, 1000=0.62% cpu : usr=0.15%, sys=0.92%, ctx=5106, 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=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=161179: Tue Dec 2 23:23:41 2025 read: IOPS=22, BW=88.5KiB/s (90.6kB/s)(4976KiB/56214msec) slat (usec): min=1581, max=19822, avg=6278.92, stdev=2623.13 clat (msec): min=25, max=423, avg=224.15, stdev=50.05 lat (msec): min=30, max=435, avg=230.44, stdev=50.61 clat percentiles (msec): | 1.00th=[ 112], 5.00th=[ 146], 10.00th=[ 161], 20.00th=[ 184], | 30.00th=[ 199], 40.00th=[ 213], 50.00th=[ 224], 60.00th=[ 236], | 70.00th=[ 253], 80.00th=[ 266], 90.00th=[ 288], 95.00th=[ 300], | 99.00th=[ 342], 99.50th=[ 355], 99.90th=[ 418], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 32, max= 168, per=24.71%, avg=87.95, stdev=30.65, samples=111 iops : min= 8, max= 42, avg=21.55, stdev= 7.66, samples=111 write: IOPS=23, BW=93.6KiB/s (95.9kB/s)(5264KiB/56214msec); 0 zone resets slat (usec): min=33, max=3658, avg=155.66, stdev=217.76 clat (msec): min=83, max=822, avg=464.64, stdev=116.35 lat (msec): min=83, max=822, avg=464.80, stdev=116.36 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 288], 10.00th=[ 321], 20.00th=[ 372], | 30.00th=[ 401], 40.00th=[ 430], 50.00th=[ 464], 60.00th=[ 489], | 70.00th=[ 514], 80.00th=[ 558], 90.00th=[ 617], 95.00th=[ 676], | 99.00th=[ 760], 99.50th=[ 768], 99.90th=[ 802], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 31, max= 152, per=25.11%, avg=93.15, stdev=24.03, samples=111 iops : min= 7, max= 38, avg=22.85, stdev= 6.01, samples=111 lat (msec) : 50=0.12%, 100=0.43%, 250=33.79%, 500=47.62%, 750=17.30% lat (msec) : 1000=0.74% cpu : usr=0.12%, sys=0.95%, ctx=4892, 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=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=161180: Tue Dec 2 23:23:41 2025 read: IOPS=22, BW=88.7KiB/s (90.8kB/s)(4984KiB/56179msec) slat (usec): min=29, max=24716, avg=6344.27, stdev=2724.26 clat (msec): min=4, max=658, avg=224.64, stdev=56.10 lat (msec): min=8, max=663, avg=230.99, stdev=56.63 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 142], 10.00th=[ 159], 20.00th=[ 180], | 30.00th=[ 199], 40.00th=[ 211], 50.00th=[ 224], 60.00th=[ 236], | 70.00th=[ 249], 80.00th=[ 266], 90.00th=[ 288], 95.00th=[ 317], | 99.00th=[ 355], 99.50th=[ 372], 99.90th=[ 651], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 31, max= 175, per=24.93%, avg=88.74, stdev=31.57, samples=111 iops : min= 7, max= 43, avg=21.75, stdev= 7.91, samples=111 write: IOPS=23, BW=93.6KiB/s (95.8kB/s)(5256KiB/56179msec); 0 zone resets slat (usec): min=27, max=4566, avg=165.23, stdev=283.89 clat (msec): min=70, max=832, avg=464.37, stdev=118.93 lat (msec): min=70, max=832, avg=464.54, stdev=118.93 clat percentiles (msec): | 1.00th=[ 230], 5.00th=[ 288], 10.00th=[ 326], 20.00th=[ 363], | 30.00th=[ 401], 40.00th=[ 435], 50.00th=[ 460], 60.00th=[ 485], | 70.00th=[ 514], 80.00th=[ 550], 90.00th=[ 634], 95.00th=[ 676], | 99.00th=[ 776], 99.50th=[ 793], 99.90th=[ 827], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 39, max= 159, per=25.07%, avg=93.01, stdev=25.76, samples=111 iops : min= 9, max= 39, avg=22.81, stdev= 6.46, samples=111 lat (msec) : 10=0.04%, 20=0.04%, 50=0.20%, 100=0.31%, 250=34.73% lat (msec) : 500=46.99%, 750=16.84%, 1000=0.86% cpu : usr=0.12%, sys=0.93%, ctx=4684, 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=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=161181: Tue Dec 2 23:23:41 2025 read: IOPS=22, BW=90.1KiB/s (92.2kB/s)(5060KiB/56180msec) slat (usec): min=1933, max=20764, avg=6321.54, stdev=2713.35 clat (msec): min=7, max=424, avg=222.80, stdev=50.24 lat (msec): min=11, max=442, avg=229.12, stdev=50.85 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 142], 10.00th=[ 161], 20.00th=[ 182], | 30.00th=[ 197], 40.00th=[ 209], 50.00th=[ 224], 60.00th=[ 236], | 70.00th=[ 249], 80.00th=[ 266], 90.00th=[ 288], 95.00th=[ 305], | 99.00th=[ 334], 99.50th=[ 355], 99.90th=[ 372], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 31, max= 192, per=25.23%, avg=89.80, stdev=30.00, samples=111 iops : min= 7, max= 48, avg=22.02, stdev= 7.54, samples=111 write: IOPS=23, BW=92.2KiB/s (94.4kB/s)(5180KiB/56180msec); 0 zone resets slat (usec): min=30, max=3683, avg=161.48, stdev=247.07 clat (msec): min=111, max=818, avg=469.07, stdev=113.25 lat (msec): min=111, max=818, avg=469.23, stdev=113.27 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 296], 10.00th=[ 330], 20.00th=[ 380], | 30.00th=[ 409], 40.00th=[ 439], 50.00th=[ 464], 60.00th=[ 489], | 70.00th=[ 523], 80.00th=[ 558], 90.00th=[ 625], 95.00th=[ 676], | 99.00th=[ 760], 99.50th=[ 768], 99.90th=[ 810], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 47, max= 159, per=24.64%, avg=91.42, stdev=21.71, samples=111 iops : min= 11, max= 39, avg=22.41, stdev= 5.41, samples=111 lat (msec) : 10=0.04%, 20=0.04%, 50=0.08%, 100=0.20%, 250=35.43% lat (msec) : 500=46.17%, 750=17.50%, 1000=0.55% cpu : usr=0.13%, sys=0.94%, ctx=4890, majf=0, minf=16 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=357KiB/s (366kB/s), 88.5KiB/s-90.1KiB/s (90.6kB/s-92.2kB/s), io=19.6MiB (20.5MB), run=56179-56214msec WRITE: bw=372KiB/s (381kB/s), 92.2KiB/s-93.6KiB/s (94.4kB/s-95.9kB/s), io=20.4MiB (21.4MB), run=56179-56214msec 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=161192: Tue Dec 2 23:23:46 2025 read: IOPS=4, BW=196MiB/s (206MB/s)(40.0MiB/204msec) slat (nsec): min=15918k, max=15918k, avg=15917888.00, stdev= 0.00 clat (nsec): min=175626k, max=175626k, avg=175626156.00, stdev= 0.00 lat (nsec): min=191550k, max=191550k, avg=191550307.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 176], 10.00th=[ 176], 20.00th=[ 176], | 30.00th=[ 176], 40.00th=[ 176], 50.00th=[ 176], 60.00th=[ 176], | 70.00th=[ 176], 80.00th=[ 176], 90.00th=[ 176], 95.00th=[ 176], | 99.00th=[ 176], 99.50th=[ 176], 99.90th=[ 176], 99.95th=[ 176], | 99.99th=[ 176] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=5.91%, 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=196MiB/s (206MB/s), 196MiB/s-196MiB/s (206MB/s-206MB/s), io=40.0MiB (41.9MB), run=204-204msec 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