== sanity test 398c: run fio to test AIO ================= 09:34:55 (1742909695) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.0898511 s, 467 MB/s osc.lustre-OST0000-osc-ffff8800a1b8a800.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=7525: Tue Mar 25 09:35:22 2025 write: IOPS=101, BW=406KiB/s (415kB/s)(10.0MiB/25248msec) slat (usec): min=13, max=372, avg=70.47, stdev=39.69 clat (msec): min=70, max=247, avg=157.50, stdev=26.70 lat (msec): min=70, max=247, avg=157.58, stdev=26.70 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 114], 10.00th=[ 124], 20.00th=[ 136], | 30.00th=[ 144], 40.00th=[ 150], 50.00th=[ 159], 60.00th=[ 163], | 70.00th=[ 171], 80.00th=[ 180], 90.00th=[ 192], 95.00th=[ 205], | 99.00th=[ 222], 99.50th=[ 234], 99.90th=[ 245], 99.95th=[ 247], | 99.99th=[ 247] bw ( KiB/s): min= 320, max= 512, per=24.92%, avg=404.26, stdev=41.93, samples=50 iops : min= 80, max= 128, avg=101.02, stdev=10.48, samples=50 lat (msec) : 100=0.74%, 250=99.26% cpu : usr=0.20%, sys=0.78%, ctx=2384, 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=7526: Tue Mar 25 09:35:22 2025 write: IOPS=101, BW=407KiB/s (417kB/s)(10.0MiB/25164msec) slat (usec): min=12, max=1105, avg=74.52, stdev=49.66 clat (msec): min=20, max=290, avg=157.07, stdev=29.07 lat (msec): min=20, max=291, avg=157.15, stdev=29.06 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 114], 10.00th=[ 123], 20.00th=[ 134], | 30.00th=[ 144], 40.00th=[ 150], 50.00th=[ 157], 60.00th=[ 163], | 70.00th=[ 171], 80.00th=[ 180], 90.00th=[ 194], 95.00th=[ 205], | 99.00th=[ 224], 99.50th=[ 243], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 312, max= 568, per=25.09%, avg=406.92, stdev=49.82, samples=50 iops : min= 78, max= 142, avg=101.64, stdev=12.47, samples=50 lat (msec) : 50=0.55%, 100=0.59%, 250=98.55%, 500=0.31% cpu : usr=0.23%, sys=0.81%, ctx=2324, 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=7527: Tue Mar 25 09:35:22 2025 write: IOPS=101, BW=406KiB/s (416kB/s)(10.0MiB/25231msec) slat (usec): min=12, max=490, avg=65.47, stdev=41.18 clat (msec): min=52, max=254, avg=157.45, stdev=27.72 lat (msec): min=52, max=254, avg=157.52, stdev=27.72 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 115], 10.00th=[ 123], 20.00th=[ 134], | 30.00th=[ 144], 40.00th=[ 150], 50.00th=[ 159], 60.00th=[ 163], | 70.00th=[ 171], 80.00th=[ 180], 90.00th=[ 194], 95.00th=[ 203], | 99.00th=[ 224], 99.50th=[ 230], 99.90th=[ 245], 99.95th=[ 245], | 99.99th=[ 255] bw ( KiB/s): min= 288, max= 512, per=24.95%, avg=404.68, stdev=46.04, samples=50 iops : min= 72, max= 128, avg=101.08, stdev=11.52, samples=50 lat (msec) : 100=0.94%, 250=99.02%, 500=0.04% cpu : usr=0.08%, sys=0.83%, ctx=1966, 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=7528: Tue Mar 25 09:35:22 2025 write: IOPS=101, BW=406KiB/s (416kB/s)(10.0MiB/25230msec) slat (usec): min=13, max=519, avg=70.02, stdev=40.24 clat (msec): min=56, max=265, avg=157.37, stdev=27.39 lat (msec): min=57, max=265, avg=157.44, stdev=27.39 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 115], 10.00th=[ 124], 20.00th=[ 134], | 30.00th=[ 142], 40.00th=[ 150], 50.00th=[ 157], 60.00th=[ 163], | 70.00th=[ 171], 80.00th=[ 180], 90.00th=[ 192], 95.00th=[ 205], | 99.00th=[ 230], 99.50th=[ 243], 99.90th=[ 255], 99.95th=[ 255], | 99.99th=[ 266] bw ( KiB/s): min= 304, max= 512, per=24.99%, avg=405.40, stdev=45.16, samples=50 iops : min= 76, max= 128, avg=101.32, stdev=11.28, samples=50 lat (msec) : 100=0.78%, 250=99.02%, 500=0.20% cpu : usr=0.15%, sys=0.85%, ctx=2239, 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=1622KiB/s (1661kB/s), 406KiB/s-407KiB/s (415kB/s-417kB/s), io=40.0MiB (41.9MB), run=25164-25248msec 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=7558: Tue Mar 25 09:35:38 2025 read: IOPS=82, BW=328KiB/s (336kB/s)(5048KiB/15386msec) slat (usec): min=715, max=4421, avg=1190.19, stdev=293.87 clat (usec): min=1183, max=95756, avg=63838.93, stdev=10862.96 lat (usec): min=2339, max=96995, avg=65031.13, stdev=10862.38 clat percentiles (usec): | 1.00th=[39060], 5.00th=[47449], 10.00th=[51119], 20.00th=[54789], | 30.00th=[58459], 40.00th=[61604], 50.00th=[64750], 60.00th=[66323], | 70.00th=[68682], 80.00th=[71828], 90.00th=[78119], 95.00th=[81265], | 99.00th=[88605], 99.50th=[89654], 99.90th=[90702], 99.95th=[95945], | 99.99th=[95945] bw ( KiB/s): min= 239, max= 448, per=25.06%, avg=326.77, stdev=47.49, samples=30 iops : min= 59, max= 112, avg=81.57, stdev=11.89, samples=30 write: IOPS=84, BW=337KiB/s (346kB/s)(5192KiB/15386msec) slat (usec): min=14, max=1281, avg=63.03, stdev=55.84 clat (msec): min=50, max=211, avg=126.07, stdev=28.33 lat (msec): min=50, max=211, avg=126.13, stdev=28.33 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 83], 10.00th=[ 89], 20.00th=[ 101], | 30.00th=[ 111], 40.00th=[ 118], 50.00th=[ 125], 60.00th=[ 132], | 70.00th=[ 140], 80.00th=[ 150], 90.00th=[ 165], 95.00th=[ 178], | 99.00th=[ 194], 99.50th=[ 199], 99.90th=[ 207], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 280, max= 456, per=24.63%, avg=334.23, stdev=36.75, samples=30 iops : min= 70, max= 114, avg=83.43, stdev= 9.13, samples=30 lat (msec) : 2=0.12%, 4=0.04%, 20=0.08%, 50=3.52%, 100=55.20% lat (msec) : 250=41.05% cpu : usr=0.34%, sys=1.61%, ctx=3280, majf=0, minf=33 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=7559: Tue Mar 25 09:35:38 2025 read: IOPS=80, BW=324KiB/s (331kB/s)(4976KiB/15377msec) slat (usec): min=12, max=2916, avg=1167.92, stdev=276.59 clat (usec): min=1206, max=143231, avg=63409.58, stdev=11594.35 lat (usec): min=1730, max=144276, avg=64579.72, stdev=11615.65 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 48], 10.00th=[ 53], 20.00th=[ 56], | 30.00th=[ 58], 40.00th=[ 61], 50.00th=[ 64], 60.00th=[ 66], | 70.00th=[ 68], 80.00th=[ 71], 90.00th=[ 78], 95.00th=[ 81], | 99.00th=[ 90], 99.50th=[ 100], 99.90th=[ 132], 99.95th=[ 144], | 99.99th=[ 144] bw ( KiB/s): min= 232, max= 448, per=24.80%, avg=323.37, stdev=57.03, samples=30 iops : min= 58, max= 112, avg=80.77, stdev=14.29, samples=30 write: IOPS=85, BW=342KiB/s (351kB/s)(5264KiB/15377msec) slat (usec): min=13, max=300, avg=62.95, stdev=32.72 clat (msec): min=14, max=205, avg=125.70, stdev=29.70 lat (msec): min=14, max=205, avg=125.77, stdev=29.71 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 82], 10.00th=[ 89], 20.00th=[ 102], | 30.00th=[ 110], 40.00th=[ 118], 50.00th=[ 126], 60.00th=[ 132], | 70.00th=[ 142], 80.00th=[ 150], 90.00th=[ 165], 95.00th=[ 178], | 99.00th=[ 192], 99.50th=[ 197], 99.90th=[ 205], 99.95th=[ 205], | 99.99th=[ 205] bw ( KiB/s): min= 240, max= 440, per=25.09%, avg=340.43, stdev=42.64, samples=30 iops : min= 60, max= 110, avg=85.03, stdev=10.63, samples=30 lat (msec) : 2=0.08%, 4=0.04%, 20=0.39%, 50=3.48%, 100=54.26% lat (msec) : 250=41.76% cpu : usr=0.25%, sys=1.65%, ctx=3579, 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=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=7560: Tue Mar 25 09:35:38 2025 read: IOPS=81, BW=325KiB/s (332kB/s)(4984KiB/15359msec) slat (usec): min=685, max=4656, avg=1201.80, stdev=303.29 clat (msec): min=8, max=137, avg=63.38, stdev=11.34 lat (msec): min=10, max=138, avg=64.58, stdev=11.34 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 47], 10.00th=[ 52], 20.00th=[ 55], | 30.00th=[ 58], 40.00th=[ 61], 50.00th=[ 64], 60.00th=[ 67], | 70.00th=[ 69], 80.00th=[ 72], 90.00th=[ 78], 95.00th=[ 81], | 99.00th=[ 88], 99.50th=[ 89], 99.90th=[ 114], 99.95th=[ 138], | 99.99th=[ 138] bw ( KiB/s): min= 240, max= 456, per=24.98%, avg=325.80, stdev=55.95, samples=30 iops : min= 60, max= 114, avg=81.40, stdev=13.97, samples=30 write: IOPS=85, BW=342KiB/s (350kB/s)(5256KiB/15359msec) slat (usec): min=14, max=1097, avg=65.08, stdev=45.28 clat (msec): min=52, max=205, avg=125.48, stdev=28.64 lat (msec): min=53, max=205, avg=125.54, stdev=28.64 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 82], 10.00th=[ 90], 20.00th=[ 101], | 30.00th=[ 109], 40.00th=[ 116], 50.00th=[ 125], 60.00th=[ 131], | 70.00th=[ 140], 80.00th=[ 150], 90.00th=[ 167], 95.00th=[ 178], | 99.00th=[ 194], 99.50th=[ 197], 99.90th=[ 205], 99.95th=[ 205], | 99.99th=[ 205] bw ( KiB/s): min= 264, max= 456, per=24.99%, avg=339.13, stdev=41.45, samples=30 iops : min= 66, max= 114, avg=84.73, stdev=10.35, samples=30 lat (msec) : 10=0.08%, 20=0.39%, 50=3.12%, 100=54.92%, 250=41.48% cpu : usr=0.31%, sys=1.65%, ctx=3598, 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=7561: Tue Mar 25 09:35:38 2025 read: IOPS=82, BW=330KiB/s (338kB/s)(5060KiB/15336msec) slat (usec): min=696, max=3419, avg=1186.92, stdev=286.64 clat (msec): min=2, max=179, avg=63.39, stdev=13.13 lat (msec): min=3, max=181, avg=64.58, stdev=13.15 clat percentiles (msec): | 1.00th=[ 12], 5.00th=[ 47], 10.00th=[ 51], 20.00th=[ 55], | 30.00th=[ 58], 40.00th=[ 61], 50.00th=[ 64], 60.00th=[ 67], | 70.00th=[ 69], 80.00th=[ 72], 90.00th=[ 78], 95.00th=[ 82], | 99.00th=[ 89], 99.50th=[ 97], 99.90th=[ 169], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 223, max= 472, per=25.41%, avg=331.40, stdev=52.03, samples=30 iops : min= 55, max= 118, avg=82.80, stdev=13.10, samples=30 write: IOPS=84, BW=338KiB/s (346kB/s)(5180KiB/15336msec) slat (usec): min=14, max=933, avg=64.31, stdev=41.35 clat (msec): min=53, max=216, avg=126.03, stdev=28.63 lat (msec): min=53, max=216, avg=126.09, stdev=28.63 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 82], 10.00th=[ 91], 20.00th=[ 102], | 30.00th=[ 110], 40.00th=[ 117], 50.00th=[ 126], 60.00th=[ 132], | 70.00th=[ 140], 80.00th=[ 150], 90.00th=[ 165], 95.00th=[ 178], | 99.00th=[ 194], 99.50th=[ 205], 99.90th=[ 218], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 296, max= 431, per=24.78%, avg=336.20, stdev=35.10, samples=30 iops : min= 74, max= 107, avg=84.00, stdev= 8.67, samples=30 lat (msec) : 4=0.08%, 10=0.20%, 20=0.35%, 50=3.67%, 100=54.26% lat (msec) : 250=41.45% cpu : usr=0.20%, sys=1.74%, ctx=3674, 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=1304KiB/s (1336kB/s), 324KiB/s-330KiB/s (331kB/s-338kB/s), io=19.6MiB (20.5MB), run=15336-15386msec WRITE: bw=1358KiB/s (1390kB/s), 337KiB/s-342KiB/s (346kB/s-351kB/s), io=20.4MiB (21.4MB), run=15336-15386msec 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=7577: Tue Mar 25 09:35:40 2025 read: IOPS=8, BW=331MiB/s (347MB/s)(40.0MiB/121msec) slat (nsec): min=5837.0k, max=5837.0k, avg=5837991.00, stdev= 0.00 clat (nsec): min=111247k, max=111247k, avg=111246765.00, stdev= 0.00 lat (nsec): min=117096k, max=117096k, avg=117096134.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 112], 5.00th=[ 112], 10.00th=[ 112], 20.00th=[ 112], | 30.00th=[ 112], 40.00th=[ 112], 50.00th=[ 112], 60.00th=[ 112], | 70.00th=[ 112], 80.00th=[ 112], 90.00th=[ 112], 95.00th=[ 112], | 99.00th=[ 112], 99.50th=[ 112], 99.90th=[ 112], 99.95th=[ 112], | 99.99th=[ 112] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=4.17%, ctx=10, 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=331MiB/s (347MB/s), 331MiB/s-331MiB/s (347MB/s-347MB/s), io=40.0MiB (41.9MB), run=121-121msec 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