== sanity test 398c: run fio to test AIO ================= 06:23:06 (1765106586) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.143347 s, 293 MB/s osc.lustre-OST0000-osc-ffff93590560a800.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=175568: Sun Dec 7 06:23:47 2025 write: IOPS=67, BW=270KiB/s (277kB/s)(10.0MiB/37891msec); 0 zone resets slat (usec): min=20, max=1231, avg=134.80, stdev=74.36 clat (msec): min=59, max=425, avg=236.53, stdev=48.75 lat (msec): min=59, max=425, avg=236.67, stdev=48.76 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 161], 10.00th=[ 182], 20.00th=[ 201], | 30.00th=[ 213], 40.00th=[ 224], 50.00th=[ 234], 60.00th=[ 247], | 70.00th=[ 257], 80.00th=[ 271], 90.00th=[ 296], 95.00th=[ 321], | 99.00th=[ 368], 99.50th=[ 388], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 426] bw ( KiB/s): min= 184, max= 435, per=24.98%, avg=269.56, stdev=44.26, samples=75 iops : min= 46, max= 108, avg=67.36, stdev=11.04, samples=75 lat (msec) : 100=0.62%, 250=63.24%, 500=36.13% cpu : usr=0.11%, sys=0.85%, ctx=2684, 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=175569: Sun Dec 7 06:23:47 2025 write: IOPS=67, BW=270KiB/s (277kB/s)(10.0MiB/37864msec); 0 zone resets slat (usec): min=26, max=813, avg=139.84, stdev=74.51 clat (msec): min=37, max=428, avg=236.38, stdev=48.85 lat (msec): min=37, max=428, avg=236.52, stdev=48.86 clat percentiles (msec): | 1.00th=[ 121], 5.00th=[ 161], 10.00th=[ 178], 20.00th=[ 201], | 30.00th=[ 213], 40.00th=[ 226], 50.00th=[ 234], 60.00th=[ 247], | 70.00th=[ 257], 80.00th=[ 271], 90.00th=[ 300], 95.00th=[ 321], | 99.00th=[ 363], 99.50th=[ 384], 99.90th=[ 414], 99.95th=[ 418], | 99.99th=[ 430] bw ( KiB/s): min= 176, max= 467, per=25.01%, avg=269.88, stdev=47.86, samples=75 iops : min= 44, max= 116, avg=67.44, stdev=11.94, samples=75 lat (msec) : 50=0.62%, 250=63.55%, 500=35.82% cpu : usr=0.14%, sys=0.86%, ctx=2675, 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=175570: Sun Dec 7 06:23:47 2025 write: IOPS=67, BW=270KiB/s (277kB/s)(10.0MiB/37920msec); 0 zone resets slat (usec): min=23, max=798, avg=138.67, stdev=72.73 clat (msec): min=70, max=425, avg=236.69, stdev=47.54 lat (msec): min=70, max=425, avg=236.83, stdev=47.55 clat percentiles (msec): | 1.00th=[ 131], 5.00th=[ 161], 10.00th=[ 180], 20.00th=[ 199], | 30.00th=[ 213], 40.00th=[ 224], 50.00th=[ 234], 60.00th=[ 247], | 70.00th=[ 257], 80.00th=[ 271], 90.00th=[ 300], 95.00th=[ 317], | 99.00th=[ 368], 99.50th=[ 388], 99.90th=[ 414], 99.95th=[ 418], | 99.99th=[ 426] bw ( KiB/s): min= 184, max= 410, per=24.94%, avg=269.12, stdev=40.97, samples=75 iops : min= 46, max= 102, avg=67.25, stdev=10.24, samples=75 lat (msec) : 100=0.27%, 250=63.63%, 500=36.09% cpu : usr=0.15%, sys=0.86%, ctx=2742, 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=175571: Sun Dec 7 06:23:47 2025 write: IOPS=67, BW=270KiB/s (276kB/s)(10.0MiB/37941msec); 0 zone resets slat (usec): min=25, max=749, avg=137.91, stdev=75.27 clat (msec): min=69, max=428, avg=236.85, stdev=47.05 lat (msec): min=70, max=428, avg=236.99, stdev=47.05 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 161], 10.00th=[ 178], 20.00th=[ 201], | 30.00th=[ 215], 40.00th=[ 224], 50.00th=[ 234], 60.00th=[ 245], | 70.00th=[ 257], 80.00th=[ 271], 90.00th=[ 296], 95.00th=[ 321], | 99.00th=[ 368], 99.50th=[ 380], 99.90th=[ 409], 99.95th=[ 414], | 99.99th=[ 430] bw ( KiB/s): min= 184, max= 410, per=24.87%, avg=268.37, stdev=41.95, samples=75 iops : min= 46, max= 102, avg=67.07, stdev=10.48, samples=75 lat (msec) : 100=0.08%, 250=64.02%, 500=35.90% cpu : usr=0.14%, sys=0.82%, ctx=2837, 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=1080KiB/s (1105kB/s), 270KiB/s-270KiB/s (276kB/s-277kB/s), io=40.0MiB (41.9MB), run=37864-37941msec 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=175586: Sun Dec 7 06:24:13 2025 read: IOPS=56, BW=225KiB/s (230kB/s)(5048KiB/22476msec) slat (usec): min=72, max=9663, avg=2664.06, stdev=1017.09 clat (msec): min=2, max=158, avg=91.47, stdev=21.20 lat (msec): min=4, max=159, avg=94.14, stdev=21.47 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 60], 10.00th=[ 68], 20.00th=[ 75], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 91], 60.00th=[ 95], | 70.00th=[ 102], 80.00th=[ 109], 90.00th=[ 118], 95.00th=[ 129], | 99.00th=[ 146], 99.50th=[ 148], 99.90th=[ 153], 99.95th=[ 159], | 99.99th=[ 159] bw ( KiB/s): min= 128, max= 320, per=25.26%, avg=224.59, stdev=53.15, samples=44 iops : min= 32, max= 80, avg=56.14, stdev=13.29, samples=44 write: IOPS=57, BW=231KiB/s (237kB/s)(5192KiB/22476msec); 0 zone resets slat (usec): min=35, max=4395, avg=139.02, stdev=148.24 clat (msec): min=32, max=366, avg=185.12, stdev=45.95 lat (msec): min=32, max=366, avg=185.26, stdev=45.95 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 116], 10.00th=[ 127], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 182], 60.00th=[ 197], | 70.00th=[ 209], 80.00th=[ 226], 90.00th=[ 245], 95.00th=[ 264], | 99.00th=[ 292], 99.50th=[ 309], 99.90th=[ 351], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 144, max= 320, per=24.92%, avg=230.55, stdev=39.24, samples=44 iops : min= 36, max= 80, avg=57.64, stdev= 9.81, samples=44 lat (msec) : 4=0.08%, 10=0.08%, 20=0.08%, 50=0.94%, 100=33.20% lat (msec) : 250=61.52%, 500=4.10% cpu : usr=0.25%, sys=1.84%, ctx=4936, 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=175587: Sun Dec 7 06:24:13 2025 read: IOPS=55, BW=221KiB/s (226kB/s)(4976KiB/22562msec) slat (usec): min=993, max=9579, avg=2668.27, stdev=962.99 clat (msec): min=3, max=178, avg=92.17, stdev=20.78 lat (msec): min=6, max=179, avg=94.84, stdev=20.98 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 63], 10.00th=[ 70], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 91], 60.00th=[ 95], | 70.00th=[ 101], 80.00th=[ 108], 90.00th=[ 121], 95.00th=[ 129], | 99.00th=[ 146], 99.50th=[ 153], 99.90th=[ 161], 99.95th=[ 178], | 99.99th=[ 178] bw ( KiB/s): min= 112, max= 312, per=24.80%, avg=220.48, stdev=48.86, samples=44 iops : min= 28, max= 78, avg=55.11, stdev=12.22, samples=44 write: IOPS=58, BW=233KiB/s (239kB/s)(5264KiB/22562msec); 0 zone resets slat (usec): min=32, max=491, avg=132.01, stdev=68.82 clat (msec): min=50, max=376, avg=183.95, stdev=45.05 lat (msec): min=50, max=376, avg=184.09, stdev=45.05 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 116], 10.00th=[ 128], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 207], 80.00th=[ 220], 90.00th=[ 241], 95.00th=[ 262], | 99.00th=[ 288], 99.50th=[ 326], 99.90th=[ 376], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 152, max= 336, per=25.14%, avg=232.55, stdev=41.49, samples=44 iops : min= 38, max= 84, avg=58.14, stdev=10.37, samples=44 lat (msec) : 4=0.04%, 10=0.12%, 20=0.20%, 50=0.16%, 100=33.59% lat (msec) : 250=62.23%, 500=3.67% cpu : usr=0.27%, sys=1.80%, ctx=4879, majf=0, minf=12 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=175588: Sun Dec 7 06:24:13 2025 read: IOPS=55, BW=221KiB/s (226kB/s)(4984KiB/22563msec) slat (usec): min=1034, max=9316, avg=2719.55, stdev=1005.27 clat (msec): min=4, max=178, avg=91.97, stdev=20.32 lat (msec): min=9, max=181, avg=94.69, stdev=20.56 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 63], 10.00th=[ 69], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 87], 50.00th=[ 91], 60.00th=[ 95], | 70.00th=[ 102], 80.00th=[ 108], 90.00th=[ 118], 95.00th=[ 129], | 99.00th=[ 144], 99.50th=[ 153], 99.90th=[ 161], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 152, max= 312, per=24.93%, avg=221.64, stdev=46.02, samples=44 iops : min= 38, max= 78, avg=55.41, stdev=11.51, samples=44 write: IOPS=58, BW=233KiB/s (239kB/s)(5256KiB/22563msec); 0 zone resets slat (usec): min=34, max=1390, avg=134.71, stdev=79.43 clat (msec): min=60, max=352, avg=184.05, stdev=43.82 lat (msec): min=60, max=352, avg=184.18, stdev=43.83 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 114], 10.00th=[ 129], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 194], | 70.00th=[ 207], 80.00th=[ 222], 90.00th=[ 241], 95.00th=[ 262], | 99.00th=[ 284], 99.50th=[ 309], 99.90th=[ 351], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 128, max= 328, per=25.01%, avg=231.32, stdev=44.74, samples=44 iops : min= 32, max= 82, avg=57.82, stdev=11.20, samples=44 lat (msec) : 10=0.12%, 20=0.12%, 50=0.27%, 100=33.05%, 250=62.93% lat (msec) : 500=3.52% cpu : usr=0.25%, sys=1.87%, ctx=4869, 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=175589: Sun Dec 7 06:24:13 2025 read: IOPS=56, BW=225KiB/s (231kB/s)(5060KiB/22450msec) slat (usec): min=1076, max=9553, avg=2673.10, stdev=956.37 clat (msec): min=2, max=238, avg=91.68, stdev=21.81 lat (msec): min=5, max=240, avg=94.35, stdev=22.03 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 61], 10.00th=[ 69], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 91], 60.00th=[ 94], | 70.00th=[ 101], 80.00th=[ 108], 90.00th=[ 120], 95.00th=[ 129], | 99.00th=[ 150], 99.50th=[ 163], 99.90th=[ 207], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 112, max= 352, per=25.58%, avg=227.43, stdev=54.20, samples=44 iops : min= 28, max= 88, avg=56.84, stdev=13.56, samples=44 write: IOPS=57, BW=231KiB/s (236kB/s)(5180KiB/22450msec); 0 zone resets slat (usec): min=35, max=2804, avg=138.21, stdev=113.12 clat (msec): min=45, max=379, avg=184.46, stdev=47.46 lat (msec): min=45, max=379, avg=184.60, stdev=47.46 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 115], 10.00th=[ 125], 20.00th=[ 144], | 30.00th=[ 157], 40.00th=[ 169], 50.00th=[ 182], 60.00th=[ 192], | 70.00th=[ 207], 80.00th=[ 226], 90.00th=[ 245], 95.00th=[ 264], | 99.00th=[ 305], 99.50th=[ 351], 99.90th=[ 368], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 152, max= 336, per=24.98%, avg=231.07, stdev=39.18, samples=44 iops : min= 38, max= 84, avg=57.75, stdev= 9.81, samples=44 lat (msec) : 4=0.04%, 10=0.08%, 20=0.16%, 50=0.59%, 100=34.34% lat (msec) : 250=60.51%, 500=4.30% cpu : usr=0.30%, sys=1.79%, ctx=4929, 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=889KiB/s (911kB/s), 221KiB/s-225KiB/s (226kB/s-231kB/s), io=19.6MiB (20.5MB), run=22450-22563msec WRITE: bw=926KiB/s (948kB/s), 231KiB/s-233KiB/s (236kB/s-239kB/s), io=20.4MiB (21.4MB), run=22450-22563msec 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=175595: Sun Dec 7 06:24:17 2025 read: IOPS=9, BW=377MiB/s (396MB/s)(40.0MiB/106msec) slat (nsec): min=9352.4k, max=9352.4k, avg=9352439.00, stdev= 0.00 clat (nsec): min=91881k, max=91881k, avg=91880602.00, stdev= 0.00 lat (nsec): min=101237k, max=101237k, avg=101236996.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[91751], 5.00th=[91751], 10.00th=[91751], 20.00th=[91751], | 30.00th=[91751], 40.00th=[91751], 50.00th=[91751], 60.00th=[91751], | 70.00th=[91751], 80.00th=[91751], 90.00th=[91751], 95.00th=[91751], | 99.00th=[91751], 99.50th=[91751], 99.90th=[91751], 99.95th=[91751], | 99.99th=[91751] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=8.57%, ctx=43, majf=0, minf=8 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=377MiB/s (396MB/s), 377MiB/s-377MiB/s (396MB/s-396MB/s), io=40.0MiB (41.9MB), run=106-106msec 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