== sanity test 398c: run fio to test AIO ================= 18:04:05 (1756677845) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.140631 s, 298 MB/s osc.lustre-OST0000-osc-ffffa0e043633000.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=160372: Sun Aug 31 18:04:44 2025 write: IOPS=70, BW=283KiB/s (290kB/s)(10.0MiB/36137msec); 0 zone resets slat (usec): min=28, max=664, avg=144.18, stdev=73.17 clat (msec): min=78, max=471, avg=225.37, stdev=50.41 lat (msec): min=78, max=471, avg=225.51, stdev=50.41 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 153], 10.00th=[ 167], 20.00th=[ 186], | 30.00th=[ 201], 40.00th=[ 211], 50.00th=[ 222], 60.00th=[ 232], | 70.00th=[ 247], 80.00th=[ 264], 90.00th=[ 288], 95.00th=[ 313], | 99.00th=[ 376], 99.50th=[ 401], 99.90th=[ 426], 99.95th=[ 426], | 99.99th=[ 472] bw ( KiB/s): min= 168, max= 416, per=25.03%, avg=283.61, stdev=47.05, samples=71 iops : min= 42, max= 104, avg=70.90, stdev=11.76, samples=71 lat (msec) : 100=0.08%, 250=72.73%, 500=27.19% cpu : usr=0.13%, sys=1.02%, ctx=1821, 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 rand-write: (groupid=0, jobs=1): err= 0: pid=160373: Sun Aug 31 18:04:44 2025 write: IOPS=70, BW=284KiB/s (291kB/s)(10.0MiB/36063msec); 0 zone resets slat (usec): min=25, max=1341, avg=142.71, stdev=80.92 clat (msec): min=70, max=442, avg=225.11, stdev=51.27 lat (msec): min=70, max=443, avg=225.26, stdev=51.27 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 153], 10.00th=[ 167], 20.00th=[ 186], | 30.00th=[ 199], 40.00th=[ 211], 50.00th=[ 222], 60.00th=[ 234], | 70.00th=[ 245], 80.00th=[ 262], 90.00th=[ 284], 95.00th=[ 313], | 99.00th=[ 388], 99.50th=[ 401], 99.90th=[ 422], 99.95th=[ 426], | 99.99th=[ 443] bw ( KiB/s): min= 160, max= 500, per=25.03%, avg=283.55, stdev=55.01, samples=71 iops : min= 40, max= 125, avg=70.89, stdev=13.75, samples=71 lat (msec) : 100=1.09%, 250=71.29%, 500=27.62% cpu : usr=0.13%, sys=1.01%, ctx=1674, 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 rand-write: (groupid=0, jobs=1): err= 0: pid=160374: Sun Aug 31 18:04:44 2025 write: IOPS=70, BW=283KiB/s (290kB/s)(10.0MiB/36125msec); 0 zone resets slat (usec): min=27, max=726, avg=145.72, stdev=77.16 clat (msec): min=75, max=459, avg=225.37, stdev=50.04 lat (msec): min=76, max=459, avg=225.52, stdev=50.04 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 153], 10.00th=[ 167], 20.00th=[ 186], | 30.00th=[ 201], 40.00th=[ 211], 50.00th=[ 224], 60.00th=[ 234], | 70.00th=[ 245], 80.00th=[ 262], 90.00th=[ 284], 95.00th=[ 313], | 99.00th=[ 384], 99.50th=[ 401], 99.90th=[ 430], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 168, max= 416, per=25.03%, avg=283.61, stdev=48.62, samples=71 iops : min= 42, max= 104, avg=70.90, stdev=12.16, samples=71 lat (msec) : 100=0.12%, 250=73.05%, 500=26.84% cpu : usr=0.16%, sys=1.00%, ctx=1776, 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=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=160375: Sun Aug 31 18:04:44 2025 write: IOPS=70, BW=283KiB/s (290kB/s)(10.0MiB/36137msec); 0 zone resets slat (usec): min=32, max=803, avg=143.65, stdev=75.68 clat (msec): min=101, max=460, avg=225.39, stdev=50.23 lat (msec): min=101, max=460, avg=225.54, stdev=50.24 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 153], 10.00th=[ 167], 20.00th=[ 186], | 30.00th=[ 199], 40.00th=[ 211], 50.00th=[ 222], 60.00th=[ 234], | 70.00th=[ 247], 80.00th=[ 262], 90.00th=[ 284], 95.00th=[ 313], | 99.00th=[ 384], 99.50th=[ 405], 99.90th=[ 426], 99.95th=[ 443], | 99.99th=[ 460] bw ( KiB/s): min= 184, max= 416, per=25.02%, avg=283.49, stdev=48.58, samples=71 iops : min= 46, max= 104, avg=70.87, stdev=12.15, samples=71 lat (msec) : 250=72.70%, 500=27.30% cpu : usr=0.13%, sys=1.02%, ctx=1778, 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=1133KiB/s (1161kB/s), 283KiB/s-284KiB/s (290kB/s-291kB/s), io=40.0MiB (41.9MB), run=36063-36137msec 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=160389: Sun Aug 31 18:05:12 2025 read: IOPS=51, BW=208KiB/s (213kB/s)(5048KiB/24287msec) slat (usec): min=1019, max=7617, avg=3122.83, stdev=1173.98 clat (msec): min=9, max=187, avg=96.73, stdev=18.18 lat (msec): min=12, max=189, avg=99.86, stdev=18.41 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 70], 10.00th=[ 74], 20.00th=[ 82], | 30.00th=[ 88], 40.00th=[ 92], 50.00th=[ 97], 60.00th=[ 102], | 70.00th=[ 106], 80.00th=[ 111], 90.00th=[ 120], 95.00th=[ 126], | 99.00th=[ 140], 99.50th=[ 150], 99.90th=[ 169], 99.95th=[ 188], | 99.99th=[ 188] bw ( KiB/s): min= 104, max= 320, per=25.31%, avg=208.54, stdev=45.40, samples=48 iops : min= 26, max= 80, avg=52.12, stdev=11.35, samples=48 write: IOPS=53, BW=214KiB/s (219kB/s)(5192KiB/24287msec); 0 zone resets slat (usec): min=33, max=435, avg=102.22, stdev=50.11 clat (msec): min=88, max=337, avg=200.87, stdev=49.34 lat (msec): min=88, max=338, avg=200.98, stdev=49.34 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 122], 10.00th=[ 134], 20.00th=[ 155], | 30.00th=[ 174], 40.00th=[ 192], 50.00th=[ 205], 60.00th=[ 215], | 70.00th=[ 226], 80.00th=[ 239], 90.00th=[ 264], 95.00th=[ 288], | 99.00th=[ 326], 99.50th=[ 326], 99.90th=[ 338], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 152, max= 336, per=24.88%, avg=213.50, stdev=38.95, samples=48 iops : min= 38, max= 84, avg=53.38, stdev= 9.74, samples=48 lat (msec) : 10=0.04%, 20=0.08%, 50=0.16%, 100=28.48%, 250=64.26% lat (msec) : 500=6.99% cpu : usr=0.20%, sys=1.50%, ctx=2738, 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=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=160390: Sun Aug 31 18:05:12 2025 read: IOPS=51, BW=205KiB/s (210kB/s)(4976KiB/24318msec) slat (usec): min=1143, max=8239, avg=3122.32, stdev=1171.35 clat (msec): min=3, max=152, avg=96.67, stdev=18.75 lat (msec): min=7, max=154, avg=99.80, stdev=18.98 clat percentiles (msec): | 1.00th=[ 26], 5.00th=[ 70], 10.00th=[ 77], 20.00th=[ 83], | 30.00th=[ 87], 40.00th=[ 92], 50.00th=[ 97], 60.00th=[ 102], | 70.00th=[ 106], 80.00th=[ 112], 90.00th=[ 121], 95.00th=[ 127], | 99.00th=[ 138], 99.50th=[ 142], 99.90th=[ 150], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 120, max= 328, per=24.71%, avg=203.60, stdev=50.06, samples=48 iops : min= 30, max= 82, avg=50.90, stdev=12.52, samples=48 write: IOPS=54, BW=216KiB/s (222kB/s)(5264KiB/24318msec); 0 zone resets slat (usec): min=33, max=542, avg=102.49, stdev=47.51 clat (msec): min=45, max=334, avg=199.95, stdev=48.29 lat (msec): min=45, max=334, avg=200.06, stdev=48.28 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 118], 10.00th=[ 133], 20.00th=[ 157], | 30.00th=[ 176], 40.00th=[ 192], 50.00th=[ 203], 60.00th=[ 213], | 70.00th=[ 226], 80.00th=[ 239], 90.00th=[ 262], 95.00th=[ 279], | 99.00th=[ 313], 99.50th=[ 321], 99.90th=[ 334], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 160, max= 304, per=25.16%, avg=215.88, stdev=32.19, samples=48 iops : min= 40, max= 76, avg=53.96, stdev= 8.06, samples=48 lat (msec) : 4=0.04%, 10=0.12%, 20=0.27%, 50=0.20%, 100=28.01% lat (msec) : 250=63.98%, 500=7.38% cpu : usr=0.19%, sys=1.53%, ctx=2711, 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=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=160391: Sun Aug 31 18:05:12 2025 read: IOPS=51, BW=205KiB/s (210kB/s)(4984KiB/24273msec) slat (usec): min=54, max=10705, avg=3128.34, stdev=1214.02 clat (msec): min=4, max=201, avg=96.33, stdev=19.53 lat (msec): min=9, max=204, avg=99.46, stdev=19.74 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 67], 10.00th=[ 74], 20.00th=[ 83], | 30.00th=[ 87], 40.00th=[ 92], 50.00th=[ 97], 60.00th=[ 102], | 70.00th=[ 107], 80.00th=[ 112], 90.00th=[ 122], 95.00th=[ 127], | 99.00th=[ 140], 99.50th=[ 142], 99.90th=[ 150], 99.95th=[ 203], | 99.99th=[ 203] bw ( KiB/s): min= 128, max= 320, per=25.01%, avg=206.10, stdev=45.81, samples=48 iops : min= 32, max= 80, avg=51.52, stdev=11.45, samples=48 write: IOPS=54, BW=217KiB/s (222kB/s)(5256KiB/24273msec); 0 zone resets slat (usec): min=33, max=431, avg=101.81, stdev=48.28 clat (msec): min=49, max=338, avg=200.83, stdev=48.73 lat (msec): min=49, max=338, avg=200.93, stdev=48.73 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 123], 10.00th=[ 136], 20.00th=[ 157], | 30.00th=[ 176], 40.00th=[ 192], 50.00th=[ 203], 60.00th=[ 215], | 70.00th=[ 228], 80.00th=[ 241], 90.00th=[ 259], 95.00th=[ 279], | 99.00th=[ 321], 99.50th=[ 330], 99.90th=[ 334], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 152, max= 328, per=25.12%, avg=215.50, stdev=40.81, samples=48 iops : min= 38, max= 82, avg=53.87, stdev=10.20, samples=48 lat (msec) : 10=0.12%, 20=0.23%, 50=0.39%, 100=27.66%, 250=63.83% lat (msec) : 500=7.77% cpu : usr=0.14%, sys=1.55%, ctx=2701, 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=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=160392: Sun Aug 31 18:05:12 2025 read: IOPS=51, BW=208KiB/s (213kB/s)(5060KiB/24329msec) slat (usec): min=1173, max=9581, avg=3155.39, stdev=1212.72 clat (msec): min=12, max=158, avg=98.06, stdev=17.86 lat (msec): min=16, max=160, avg=101.21, stdev=18.07 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 71], 10.00th=[ 78], 20.00th=[ 84], | 30.00th=[ 89], 40.00th=[ 93], 50.00th=[ 99], 60.00th=[ 104], | 70.00th=[ 108], 80.00th=[ 113], 90.00th=[ 121], 95.00th=[ 127], | 99.00th=[ 140], 99.50th=[ 144], 99.90th=[ 153], 99.95th=[ 159], | 99.99th=[ 159] bw ( KiB/s): min= 96, max= 304, per=25.31%, avg=208.54, stdev=44.27, samples=48 iops : min= 24, max= 76, avg=52.12, stdev=11.07, samples=48 write: IOPS=53, BW=213KiB/s (218kB/s)(5180KiB/24329msec); 0 zone resets slat (usec): min=30, max=511, avg=102.02, stdev=47.56 clat (msec): min=70, max=340, avg=200.57, stdev=46.86 lat (msec): min=70, max=340, avg=200.67, stdev=46.86 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 123], 10.00th=[ 138], 20.00th=[ 159], | 30.00th=[ 178], 40.00th=[ 190], 50.00th=[ 203], 60.00th=[ 215], | 70.00th=[ 226], 80.00th=[ 239], 90.00th=[ 259], 95.00th=[ 279], | 99.00th=[ 317], 99.50th=[ 326], 99.90th=[ 334], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 128, max= 304, per=24.62%, avg=211.23, stdev=35.88, samples=48 iops : min= 32, max= 76, avg=52.79, stdev= 8.97, samples=48 lat (msec) : 20=0.20%, 50=0.08%, 100=26.72%, 250=66.37%, 500=6.64% cpu : usr=0.18%, sys=1.52%, ctx=2731, 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=825KiB/s (845kB/s), 205KiB/s-208KiB/s (210kB/s-213kB/s), io=19.6MiB (20.5MB), run=24273-24329msec WRITE: bw=859KiB/s (879kB/s), 213KiB/s-217KiB/s (218kB/s-222kB/s), io=20.4MiB (21.4MB), run=24273-24329msec 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=160399: Sun Aug 31 18:05:15 2025 read: IOPS=8, BW=348MiB/s (365MB/s)(40.0MiB/115msec) slat (nsec): min=10944k, max=10944k, avg=10943844.00, stdev= 0.00 clat (nsec): min=97998k, max=97998k, avg=97997691.00, stdev= 0.00 lat (nsec): min=108958k, max=108958k, avg=108958164.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[98042], 5.00th=[98042], 10.00th=[98042], 20.00th=[98042], | 30.00th=[98042], 40.00th=[98042], 50.00th=[98042], 60.00th=[98042], | 70.00th=[98042], 80.00th=[98042], 90.00th=[98042], 95.00th=[98042], | 99.00th=[98042], 99.50th=[98042], 99.90th=[98042], 99.95th=[98042], | 99.99th=[98042] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=9.65%, ctx=3, majf=0, minf=9 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=348MiB/s (365MB/s), 348MiB/s-348MiB/s (365MB/s-365MB/s), io=40.0MiB (41.9MB), run=115-115msec 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