== sanity test 398c: run fio to test AIO ================= 21:52:14 (1746150734) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.172724 s, 243 MB/s osc.lustre-OST0000-osc-ffff8800b3ddd800.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-3.7 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=24859: Thu May 1 21:52:30 2025 write: IOPS=190, BW=762KiB/s (780kB/s)(10.0MiB/13447msec) slat (usec): min=11, max=6398, avg=98.66, stdev=245.01 clat (msec): min=10, max=135, avg=83.37, stdev=15.32 lat (msec): min=10, max=135, avg=83.47, stdev=15.31 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 62], 10.00th=[ 67], 20.00th=[ 71], | 30.00th=[ 75], 40.00th=[ 80], 50.00th=[ 83], 60.00th=[ 86], | 70.00th=[ 91], 80.00th=[ 95], 90.00th=[ 103], 95.00th=[ 110], | 99.00th=[ 127], 99.50th=[ 130], 99.90th=[ 136], 99.95th=[ 136], | 99.99th=[ 136] bw ( KiB/s): min= 600, max= 900, per=24.74%, avg=753.65, stdev=73.94, samples=26 iops : min= 150, max= 225, avg=188.31, stdev=18.43, samples=26 lat (msec) : 20=0.31%, 50=0.66%, 100=86.68%, 250=12.34% cpu : usr=0.28%, sys=2.92%, ctx=1209, majf=0, minf=31 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=24860: Thu May 1 21:52:30 2025 write: IOPS=190, BW=763KiB/s (781kB/s)(10.0MiB/13428msec) slat (usec): min=10, max=6169, avg=86.42, stdev=254.93 clat (msec): min=29, max=134, avg=83.50, stdev=15.26 lat (msec): min=30, max=134, avg=83.59, stdev=15.25 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 61], 10.00th=[ 66], 20.00th=[ 71], | 30.00th=[ 75], 40.00th=[ 80], 50.00th=[ 83], 60.00th=[ 87], | 70.00th=[ 90], 80.00th=[ 95], 90.00th=[ 104], 95.00th=[ 112], | 99.00th=[ 124], 99.50th=[ 133], 99.90th=[ 134], 99.95th=[ 134], | 99.99th=[ 134] bw ( KiB/s): min= 616, max= 896, per=24.95%, avg=760.00, stdev=80.31, samples=26 iops : min= 154, max= 224, avg=189.81, stdev=20.03, samples=26 lat (msec) : 50=0.86%, 100=85.43%, 250=13.71% cpu : usr=0.13%, sys=2.39%, ctx=763, majf=0, minf=30 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=24861: Thu May 1 21:52:30 2025 write: IOPS=191, BW=764KiB/s (783kB/s)(10.0MiB/13400msec) slat (usec): min=13, max=5137, avg=105.45, stdev=271.66 clat (msec): min=39, max=150, avg=83.30, stdev=15.19 lat (msec): min=39, max=150, avg=83.41, stdev=15.20 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 61], 10.00th=[ 66], 20.00th=[ 71], | 30.00th=[ 77], 40.00th=[ 80], 50.00th=[ 83], 60.00th=[ 86], | 70.00th=[ 91], 80.00th=[ 95], 90.00th=[ 104], 95.00th=[ 111], | 99.00th=[ 123], 99.50th=[ 130], 99.90th=[ 131], 99.95th=[ 134], | 99.99th=[ 150] bw ( KiB/s): min= 600, max= 892, per=24.95%, avg=760.00, stdev=77.23, samples=26 iops : min= 150, max= 223, avg=189.77, stdev=19.26, samples=26 lat (msec) : 50=1.21%, 100=85.74%, 250=13.05% cpu : usr=0.26%, sys=2.92%, ctx=1073, majf=0, minf=28 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=24862: Thu May 1 21:52:30 2025 write: IOPS=190, BW=762KiB/s (780kB/s)(10.0MiB/13440msec) slat (usec): min=10, max=9449, avg=99.71, stdev=294.83 clat (msec): min=17, max=134, avg=83.43, stdev=15.46 lat (msec): min=17, max=134, avg=83.53, stdev=15.46 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 59], 10.00th=[ 66], 20.00th=[ 72], | 30.00th=[ 77], 40.00th=[ 80], 50.00th=[ 84], 60.00th=[ 87], | 70.00th=[ 91], 80.00th=[ 95], 90.00th=[ 103], 95.00th=[ 109], | 99.00th=[ 127], 99.50th=[ 131], 99.90th=[ 134], 99.95th=[ 134], | 99.99th=[ 134] bw ( KiB/s): min= 592, max= 892, per=24.78%, avg=754.73, stdev=74.78, samples=26 iops : min= 148, max= 223, avg=188.46, stdev=18.67, samples=26 lat (msec) : 20=0.16%, 50=1.05%, 100=86.09%, 250=12.70% cpu : usr=0.40%, sys=2.66%, ctx=1186, majf=0, minf=30 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=3046KiB/s (3119kB/s), 762KiB/s-764KiB/s (780kB/s-783kB/s), io=40.0MiB (41.9MB), run=13400-13447msec 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-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=24882: Thu May 1 21:52:46 2025 read: IOPS=84, BW=337KiB/s (345kB/s)(5048KiB/14997msec) slat (usec): min=12, max=24870, avg=6148.69, stdev=2632.39 clat (msec): min=8, max=154, avg=88.82, stdev=20.85 lat (msec): min=8, max=162, avg=94.97, stdev=21.58 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 58], 10.00th=[ 64], 20.00th=[ 72], | 30.00th=[ 78], 40.00th=[ 83], 50.00th=[ 87], 60.00th=[ 93], | 70.00th=[ 100], 80.00th=[ 107], 90.00th=[ 117], 95.00th=[ 126], | 99.00th=[ 144], 99.50th=[ 146], 99.90th=[ 153], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 215, max= 512, per=25.09%, avg=335.17, stdev=68.37, samples=29 iops : min= 53, max= 128, avg=83.62, stdev=17.18, samples=29 write: IOPS=86, BW=346KiB/s (355kB/s)(5192KiB/14997msec) slat (usec): min=13, max=5661, avg=118.68, stdev=329.28 clat (msec): min=36, max=154, avg=92.06, stdev=19.20 lat (msec): min=36, max=154, avg=92.18, stdev=19.19 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 61], 10.00th=[ 67], 20.00th=[ 77], | 30.00th=[ 83], 40.00th=[ 88], 50.00th=[ 92], 60.00th=[ 97], | 70.00th=[ 103], 80.00th=[ 108], 90.00th=[ 116], 95.00th=[ 126], | 99.00th=[ 138], 99.50th=[ 146], 99.90th=[ 153], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 264, max= 479, per=24.65%, avg=342.86, stdev=50.15, samples=29 iops : min= 66, max= 119, avg=85.55, stdev=12.48, samples=29 lat (msec) : 10=0.04%, 20=0.04%, 50=1.56%, 100=67.19%, 250=31.17% cpu : usr=1.13%, sys=4.20%, ctx=2425, majf=0, minf=31 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=24883: Thu May 1 21:52:46 2025 read: IOPS=82, BW=332KiB/s (340kB/s)(4976KiB/15006msec) slat (usec): min=1527, max=36496, avg=6208.61, stdev=2730.75 clat (msec): min=17, max=149, avg=89.41, stdev=20.61 lat (msec): min=23, max=158, avg=95.62, stdev=21.22 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 57], 10.00th=[ 65], 20.00th=[ 72], | 30.00th=[ 79], 40.00th=[ 83], 50.00th=[ 88], 60.00th=[ 93], | 70.00th=[ 100], 80.00th=[ 108], 90.00th=[ 117], 95.00th=[ 127], | 99.00th=[ 140], 99.50th=[ 144], 99.90th=[ 146], 99.95th=[ 150], | 99.99th=[ 150] bw ( KiB/s): min= 232, max= 440, per=24.60%, avg=328.60, stdev=48.78, samples=30 iops : min= 58, max= 110, avg=81.83, stdev=12.24, samples=30 write: IOPS=87, BW=351KiB/s (359kB/s)(5264KiB/15006msec) slat (usec): min=14, max=5198, avg=109.17, stdev=302.28 clat (msec): min=14, max=151, avg=90.86, stdev=19.71 lat (msec): min=14, max=151, avg=90.97, stdev=19.71 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 59], 10.00th=[ 66], 20.00th=[ 75], | 30.00th=[ 81], 40.00th=[ 86], 50.00th=[ 90], 60.00th=[ 95], | 70.00th=[ 101], 80.00th=[ 108], 90.00th=[ 116], 95.00th=[ 125], | 99.00th=[ 140], 99.50th=[ 144], 99.90th=[ 150], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 247, max= 582, per=25.10%, avg=349.10, stdev=70.75, samples=30 iops : min= 61, max= 145, avg=86.97, stdev=17.69, samples=30 lat (msec) : 20=0.08%, 50=2.15%, 100=68.28%, 250=29.49% cpu : usr=0.90%, sys=4.59%, ctx=2353, majf=0, minf=31 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=24884: Thu May 1 21:52:46 2025 read: IOPS=83, BW=333KiB/s (341kB/s)(4984KiB/14988msec) slat (usec): min=1474, max=35726, avg=6206.89, stdev=2676.17 clat (msec): min=10, max=163, avg=88.62, stdev=20.13 lat (msec): min=17, max=167, avg=94.83, stdev=20.68 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 58], 10.00th=[ 66], 20.00th=[ 73], | 30.00th=[ 79], 40.00th=[ 83], 50.00th=[ 87], 60.00th=[ 92], | 70.00th=[ 97], 80.00th=[ 105], 90.00th=[ 116], 95.00th=[ 125], | 99.00th=[ 142], 99.50th=[ 148], 99.90th=[ 159], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 232, max= 560, per=24.86%, avg=332.14, stdev=69.34, samples=29 iops : min= 58, max= 140, avg=82.83, stdev=17.42, samples=29 write: IOPS=87, BW=351KiB/s (359kB/s)(5256KiB/14988msec) slat (usec): min=14, max=4495, avg=119.39, stdev=308.75 clat (msec): min=47, max=172, avg=91.53, stdev=18.64 lat (msec): min=47, max=172, avg=91.65, stdev=18.64 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 62], 10.00th=[ 69], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 87], 50.00th=[ 90], 60.00th=[ 95], | 70.00th=[ 101], 80.00th=[ 107], 90.00th=[ 115], 95.00th=[ 125], | 99.00th=[ 142], 99.50th=[ 146], 99.90th=[ 167], 99.95th=[ 174], | 99.99th=[ 174] bw ( KiB/s): min= 248, max= 472, per=24.87%, avg=345.93, stdev=63.64, samples=29 iops : min= 62, max= 118, avg=86.28, stdev=15.91, samples=29 lat (msec) : 20=0.12%, 50=1.25%, 100=70.43%, 250=28.20% cpu : usr=0.00%, sys=5.74%, ctx=2376, majf=0, minf=31 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=24885: Thu May 1 21:52:46 2025 read: IOPS=84, BW=337KiB/s (345kB/s)(5060KiB/15012msec) slat (usec): min=1423, max=35814, avg=6122.95, stdev=2675.46 clat (msec): min=14, max=153, avg=88.86, stdev=20.36 lat (msec): min=19, max=159, avg=94.98, stdev=21.05 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 57], 10.00th=[ 64], 20.00th=[ 72], | 30.00th=[ 79], 40.00th=[ 83], 50.00th=[ 88], 60.00th=[ 93], | 70.00th=[ 100], 80.00th=[ 107], 90.00th=[ 115], 95.00th=[ 123], | 99.00th=[ 144], 99.50th=[ 146], 99.90th=[ 153], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 232, max= 480, per=25.05%, avg=334.63, stdev=66.39, samples=30 iops : min= 58, max= 120, avg=83.43, stdev=16.66, samples=30 write: IOPS=86, BW=345KiB/s (353kB/s)(5180KiB/15012msec) slat (usec): min=14, max=5306, avg=132.22, stdev=326.03 clat (msec): min=25, max=161, avg=91.43, stdev=19.04 lat (msec): min=25, max=161, avg=91.56, stdev=19.03 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 61], 10.00th=[ 68], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 87], 50.00th=[ 91], 60.00th=[ 96], | 70.00th=[ 102], 80.00th=[ 108], 90.00th=[ 116], 95.00th=[ 123], | 99.00th=[ 142], 99.50th=[ 144], 99.90th=[ 153], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 224, max= 440, per=24.65%, avg=342.83, stdev=51.47, samples=30 iops : min= 56, max= 110, avg=85.50, stdev=12.92, samples=30 lat (msec) : 20=0.04%, 50=1.64%, 100=68.75%, 250=29.57% cpu : usr=1.27%, sys=4.44%, ctx=2385, majf=0, minf=31 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=1337KiB/s (1369kB/s), 332KiB/s-337KiB/s (340kB/s-345kB/s), io=19.6MiB (20.5MB), run=14988-15012msec WRITE: bw=1392KiB/s (1425kB/s), 345KiB/s-351KiB/s (353kB/s-359kB/s), io=20.4MiB (21.4MB), run=14988-15012msec 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-3.7 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=24901: Thu May 1 21:52:48 2025 read: IOPS=2, BW=107MiB/s (112MB/s)(40.0MiB/373msec) slat (nsec): min=2745.7k, max=2745.7k, avg=2745747.00, stdev= 0.00 clat (nsec): min=360272k, max=360272k, avg=360271828.00, stdev= 0.00 lat (nsec): min=363039k, max=363039k, avg=363039340.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 359], 10.00th=[ 359], 20.00th=[ 359], | 30.00th=[ 359], 40.00th=[ 359], 50.00th=[ 359], 60.00th=[ 359], | 70.00th=[ 359], 80.00th=[ 359], 90.00th=[ 359], 95.00th=[ 359], | 99.00th=[ 359], 99.50th=[ 359], 99.90th=[ 359], 99.95th=[ 359], | 99.99th=[ 359] lat (msec) : 500=100.00% cpu : usr=0.54%, sys=0.54%, ctx=3, majf=0, minf=29 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=107MiB/s (112MB/s), 107MiB/s-107MiB/s (112MB/s-112MB/s), io=40.0MiB (41.9MB), run=373-373msec 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