== sanity test 398c: run fio to test AIO ================= 19:25:29 (1746141929) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.261275 s, 161 MB/s osc.lustre-OST0000-osc-ffff8800b327f000.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=31458: Thu May 1 19:27:16 2025 write: IOPS=24, BW=97.0KiB/s (100kB/s)(10.0MiB/104494msec) slat (usec): min=12, max=5244, avg=152.26, stdev=329.54 clat (msec): min=107, max=1075, avg=652.09, stdev=138.07 lat (msec): min=107, max=1075, avg=652.25, stdev=138.08 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 422], 10.00th=[ 481], 20.00th=[ 542], | 30.00th=[ 592], 40.00th=[ 625], 50.00th=[ 659], 60.00th=[ 693], | 70.00th=[ 726], 80.00th=[ 768], 90.00th=[ 818], 95.00th=[ 877], | 99.00th=[ 953], 99.50th=[ 978], 99.90th=[ 1036], 99.95th=[ 1045], | 99.99th=[ 1083] bw ( KiB/s): min= 24, max= 246, per=24.90%, avg=97.37, stdev=28.91, samples=208 iops : min= 6, max= 61, avg=24.17, stdev= 7.21, samples=208 lat (msec) : 250=0.66%, 500=11.72%, 750=63.87%, 1000=23.32% cpu : usr=0.11%, sys=0.50%, ctx=1421, 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=31459: Thu May 1 19:27:16 2025 write: IOPS=24, BW=97.0KiB/s (100kB/s)(10.0MiB/104494msec) slat (usec): min=12, max=21949, avg=173.72, stdev=582.08 clat (msec): min=55, max=1062, avg=652.11, stdev=138.14 lat (msec): min=55, max=1062, avg=652.28, stdev=138.14 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 422], 10.00th=[ 485], 20.00th=[ 542], | 30.00th=[ 592], 40.00th=[ 625], 50.00th=[ 659], 60.00th=[ 684], | 70.00th=[ 726], 80.00th=[ 760], 90.00th=[ 818], 95.00th=[ 877], | 99.00th=[ 961], 99.50th=[ 978], 99.90th=[ 1011], 99.95th=[ 1028], | 99.99th=[ 1062] bw ( KiB/s): min= 24, max= 254, per=24.91%, avg=97.39, stdev=28.38, samples=208 iops : min= 6, max= 63, avg=24.14, stdev= 7.09, samples=208 lat (msec) : 100=0.04%, 250=0.62%, 500=11.13%, 750=65.62%, 1000=22.30% cpu : usr=0.09%, sys=0.59%, ctx=1545, 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=31460: Thu May 1 19:27:16 2025 write: IOPS=24, BW=98.1KiB/s (100kB/s)(10.0MiB/104425msec) slat (usec): min=14, max=5091, avg=172.03, stdev=413.60 clat (msec): min=150, max=1244, avg=651.88, stdev=139.81 lat (msec): min=150, max=1244, avg=652.06, stdev=139.81 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 426], 10.00th=[ 481], 20.00th=[ 542], | 30.00th=[ 592], 40.00th=[ 625], 50.00th=[ 659], 60.00th=[ 693], | 70.00th=[ 726], 80.00th=[ 768], 90.00th=[ 818], 95.00th=[ 869], | 99.00th=[ 961], 99.50th=[ 986], 99.90th=[ 1083], 99.95th=[ 1116], | 99.99th=[ 1250] bw ( KiB/s): min= 16, max= 240, per=24.96%, avg=97.61, stdev=27.55, samples=208 iops : min= 4, max= 60, avg=24.20, stdev= 6.90, samples=208 lat (msec) : 250=1.13%, 500=11.72%, 750=63.52%, 1000=23.32% cpu : usr=0.11%, sys=0.56%, ctx=1534, 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=31461: Thu May 1 19:27:16 2025 write: IOPS=24, BW=98.1KiB/s (100kB/s)(10.0MiB/104372msec) slat (usec): min=14, max=4131, avg=157.95, stdev=334.75 clat (msec): min=100, max=1193, avg=651.67, stdev=142.21 lat (msec): min=100, max=1193, avg=651.83, stdev=142.21 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 409], 10.00th=[ 477], 20.00th=[ 542], | 30.00th=[ 592], 40.00th=[ 625], 50.00th=[ 659], 60.00th=[ 693], | 70.00th=[ 726], 80.00th=[ 760], 90.00th=[ 818], 95.00th=[ 885], | 99.00th=[ 969], 99.50th=[ 1003], 99.90th=[ 1070], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 31, max= 256, per=24.95%, avg=97.55, stdev=28.99, samples=208 iops : min= 7, max= 64, avg=24.15, stdev= 7.24, samples=208 lat (msec) : 250=1.25%, 500=11.68%, 750=64.41%, 1000=22.15% cpu : usr=0.07%, sys=0.57%, ctx=1497, majf=0, minf=29 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=392KiB/s (401kB/s), 97.0KiB/s-98.1KiB/s (100kB/s-100kB/s), io=40.0MiB (41.9MB), run=104372-104494msec 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=31554: Thu May 1 19:28:17 2025 read: IOPS=21, BW=84.3KiB/s (86.3kB/s)(5048KiB/59878msec) slat (usec): min=1339, max=17325, avg=5251.18, stdev=2344.10 clat (msec): min=7, max=428, avg=233.52, stdev=60.82 lat (msec): min=9, max=437, avg=238.78, stdev=61.41 clat percentiles (msec): | 1.00th=[ 83], 5.00th=[ 142], 10.00th=[ 161], 20.00th=[ 184], | 30.00th=[ 203], 40.00th=[ 218], 50.00th=[ 234], 60.00th=[ 245], | 70.00th=[ 264], 80.00th=[ 284], 90.00th=[ 313], 95.00th=[ 334], | 99.00th=[ 401], 99.50th=[ 405], 99.90th=[ 426], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 23, max= 168, per=25.09%, avg=83.81, stdev=32.69, samples=119 iops : min= 5, max= 42, avg=20.73, stdev= 8.18, samples=119 write: IOPS=21, BW=86.7KiB/s (88.8kB/s)(5192KiB/59878msec) slat (usec): min=15, max=2909, avg=160.91, stdev=288.41 clat (msec): min=213, max=1021, avg=504.30, stdev=135.03 lat (msec): min=213, max=1021, avg=504.46, stdev=135.04 clat percentiles (msec): | 1.00th=[ 239], 5.00th=[ 284], 10.00th=[ 317], 20.00th=[ 384], | 30.00th=[ 435], 40.00th=[ 472], 50.00th=[ 506], 60.00th=[ 535], | 70.00th=[ 575], 80.00th=[ 617], 90.00th=[ 684], 95.00th=[ 735], | 99.00th=[ 852], 99.50th=[ 919], 99.90th=[ 1020], 99.95th=[ 1020], | 99.99th=[ 1020] bw ( KiB/s): min= 31, max= 167, per=24.72%, avg=86.03, stdev=25.76, samples=119 iops : min= 7, max= 41, avg=21.29, stdev= 6.45, samples=119 lat (msec) : 10=0.16%, 20=0.04%, 50=0.12%, 100=0.27%, 250=31.56% lat (msec) : 500=42.03%, 750=23.75%, 1000=1.99% cpu : usr=0.50%, sys=1.26%, ctx=2720, majf=0, minf=34 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=31555: Thu May 1 19:28:17 2025 read: IOPS=20, BW=83.1KiB/s (85.0kB/s)(4976KiB/59915msec) slat (usec): min=1418, max=52521, avg=5384.15, stdev=2783.26 clat (msec): min=6, max=474, avg=234.27, stdev=62.33 lat (msec): min=9, max=480, avg=239.66, stdev=62.99 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 142], 10.00th=[ 161], 20.00th=[ 188], | 30.00th=[ 201], 40.00th=[ 218], 50.00th=[ 232], 60.00th=[ 245], | 70.00th=[ 262], 80.00th=[ 284], 90.00th=[ 313], 95.00th=[ 342], | 99.00th=[ 397], 99.50th=[ 418], 99.90th=[ 460], 99.95th=[ 477], | 99.99th=[ 477] bw ( KiB/s): min= 15, max= 168, per=24.61%, avg=82.19, stdev=31.96, samples=119 iops : min= 3, max= 42, avg=20.38, stdev= 8.04, samples=119 write: IOPS=21, BW=87.9KiB/s (89.0kB/s)(5264KiB/59915msec) slat (usec): min=13, max=4319, avg=168.75, stdev=330.16 clat (msec): min=128, max=965, avg=500.71, stdev=136.49 lat (msec): min=128, max=965, avg=500.88, stdev=136.51 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 271], 10.00th=[ 317], 20.00th=[ 384], | 30.00th=[ 435], 40.00th=[ 472], 50.00th=[ 506], 60.00th=[ 535], | 70.00th=[ 567], 80.00th=[ 609], 90.00th=[ 684], 95.00th=[ 726], | 99.00th=[ 810], 99.50th=[ 885], 99.90th=[ 961], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 23, max= 168, per=25.09%, avg=87.30, stdev=25.45, samples=119 iops : min= 5, max= 42, avg=21.66, stdev= 6.37, samples=119 lat (msec) : 10=0.08%, 20=0.08%, 50=0.31%, 100=0.16%, 250=31.72% lat (msec) : 500=40.90%, 750=24.84%, 1000=1.91% cpu : usr=0.23%, sys=1.55%, ctx=2722, majf=0, minf=32 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=31556: Thu May 1 19:28:17 2025 read: IOPS=20, BW=83.2KiB/s (85.2kB/s)(4984KiB/59877msec) slat (usec): min=23, max=17616, avg=5241.55, stdev=2360.26 clat (msec): min=7, max=612, avg=236.92, stdev=61.31 lat (msec): min=12, max=618, avg=242.17, stdev=61.92 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 146], 10.00th=[ 163], 20.00th=[ 190], | 30.00th=[ 207], 40.00th=[ 220], 50.00th=[ 234], 60.00th=[ 245], | 70.00th=[ 264], 80.00th=[ 284], 90.00th=[ 313], 95.00th=[ 342], | 99.00th=[ 397], 99.50th=[ 405], 99.90th=[ 481], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 24, max= 159, per=24.92%, avg=83.24, stdev=29.50, samples=119 iops : min= 6, max= 39, avg=20.63, stdev= 7.35, samples=119 write: IOPS=21, BW=87.8KiB/s (89.9kB/s)(5256KiB/59877msec) slat (usec): min=16, max=5003, avg=165.50, stdev=336.11 clat (msec): min=103, max=994, avg=498.77, stdev=139.33 lat (msec): min=103, max=994, avg=498.94, stdev=139.35 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 275], 10.00th=[ 313], 20.00th=[ 376], | 30.00th=[ 426], 40.00th=[ 464], 50.00th=[ 506], 60.00th=[ 535], | 70.00th=[ 567], 80.00th=[ 609], 90.00th=[ 684], 95.00th=[ 743], | 99.00th=[ 818], 99.50th=[ 844], 99.90th=[ 969], 99.95th=[ 995], | 99.99th=[ 995] bw ( KiB/s): min= 31, max= 168, per=25.06%, avg=87.22, stdev=29.04, samples=119 iops : min= 7, max= 42, avg=21.62, stdev= 7.28, samples=119 lat (msec) : 10=0.08%, 20=0.04%, 50=0.23%, 100=0.16%, 250=31.33% lat (msec) : 500=41.48%, 750=24.26%, 1000=2.42% cpu : usr=0.19%, sys=1.55%, ctx=2666, 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=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=31557: Thu May 1 19:28:17 2025 read: IOPS=21, BW=84.7KiB/s (86.7kB/s)(5060KiB/59745msec) slat (usec): min=1138, max=17150, avg=5342.34, stdev=2384.25 clat (msec): min=7, max=600, avg=235.84, stdev=61.64 lat (msec): min=10, max=608, avg=241.19, stdev=62.33 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 144], 10.00th=[ 163], 20.00th=[ 188], | 30.00th=[ 203], 40.00th=[ 220], 50.00th=[ 234], 60.00th=[ 247], | 70.00th=[ 264], 80.00th=[ 284], 90.00th=[ 313], 95.00th=[ 342], | 99.00th=[ 393], 99.50th=[ 401], 99.90th=[ 489], 99.95th=[ 600], | 99.99th=[ 600] bw ( KiB/s): min= 16, max= 168, per=25.29%, avg=84.47, stdev=30.23, samples=119 iops : min= 4, max= 42, avg=20.89, stdev= 7.58, samples=119 write: IOPS=21, BW=86.7KiB/s (88.8kB/s)(5180KiB/59745msec) slat (usec): min=16, max=3783, avg=164.76, stdev=321.71 clat (msec): min=182, max=952, avg=501.02, stdev=136.72 lat (msec): min=182, max=952, avg=501.19, stdev=136.74 clat percentiles (msec): | 1.00th=[ 226], 5.00th=[ 268], 10.00th=[ 317], 20.00th=[ 376], | 30.00th=[ 435], 40.00th=[ 468], 50.00th=[ 506], 60.00th=[ 542], | 70.00th=[ 575], 80.00th=[ 617], 90.00th=[ 684], 95.00th=[ 726], | 99.00th=[ 835], 99.50th=[ 860], 99.90th=[ 919], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 40, max= 176, per=24.72%, avg=86.02, stdev=25.75, samples=119 iops : min= 10, max= 44, avg=21.28, stdev= 6.47, samples=119 lat (msec) : 10=0.04%, 20=0.08%, 50=0.16%, 100=0.23%, 250=31.25% lat (msec) : 500=41.95%, 750=24.49%, 1000=1.80% cpu : usr=0.18%, sys=1.61%, ctx=2768, 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=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=335KiB/s (343kB/s), 83.1KiB/s-84.7KiB/s (85.0kB/s-86.7kB/s), io=19.6MiB (20.5MB), run=59745-59915msec WRITE: bw=349KiB/s (357kB/s), 86.7KiB/s-87.9KiB/s (88.8kB/s-89.0kB/s), io=20.4MiB (21.4MB), run=59745-59915msec 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=31609: Thu May 1 19:28:19 2025 read: IOPS=3, BW=141MiB/s (148MB/s)(40.0MiB/284msec) slat (nsec): min=14504k, max=14504k, avg=14503643.00, stdev= 0.00 clat (nsec): min=250945k, max=250945k, avg=250944982.00, stdev= 0.00 lat (nsec): min=265473k, max=265473k, avg=265473306.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 251], 5.00th=[ 251], 10.00th=[ 251], 20.00th=[ 251], | 30.00th=[ 251], 40.00th=[ 251], 50.00th=[ 251], 60.00th=[ 251], | 70.00th=[ 251], 80.00th=[ 251], 90.00th=[ 251], 95.00th=[ 251], | 99.00th=[ 251], 99.50th=[ 251], 99.90th=[ 251], 99.95th=[ 251], | 99.99th=[ 251] lat (msec) : 500=100.00% cpu : usr=0.35%, sys=2.83%, ctx=4, 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=141MiB/s (148MB/s), 141MiB/s-141MiB/s (148MB/s-148MB/s), io=40.0MiB (41.9MB), run=284-284msec 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