== sanity test 398c: run fio to test AIO ================= 13:59:02 (1758736742) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.181296 s, 231 MB/s osc.lustre-OST0000-osc-ffff8c2e088fc800.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=187296: Wed Sep 24 13:59:19 2025 write: IOPS=199, BW=798KiB/s (817kB/s)(10.0MiB/12839msec); 0 zone resets slat (usec): min=29, max=4360, avg=126.96, stdev=194.58 clat (msec): min=19, max=151, avg=79.67, stdev=17.36 lat (msec): min=19, max=151, avg=79.79, stdev=17.36 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 54], 10.00th=[ 58], 20.00th=[ 65], | 30.00th=[ 70], 40.00th=[ 75], 50.00th=[ 80], 60.00th=[ 84], | 70.00th=[ 88], 80.00th=[ 94], 90.00th=[ 101], 95.00th=[ 109], | 99.00th=[ 127], 99.50th=[ 140], 99.90th=[ 150], 99.95th=[ 150], | 99.99th=[ 153] bw ( KiB/s): min= 640, max= 984, per=24.79%, avg=790.40, stdev=89.13, samples=25 iops : min= 160, max= 246, avg=197.40, stdev=22.32, samples=25 lat (msec) : 20=0.04%, 50=3.12%, 100=86.25%, 250=10.59% cpu : usr=0.31%, sys=1.84%, ctx=2869, majf=0, minf=9 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=187297: Wed Sep 24 13:59:19 2025 write: IOPS=199, BW=798KiB/s (817kB/s)(10.0MiB/12837msec); 0 zone resets slat (usec): min=25, max=2198, avg=116.12, stdev=141.88 clat (msec): min=15, max=151, avg=79.68, stdev=17.40 lat (msec): min=17, max=151, avg=79.80, stdev=17.40 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 54], 10.00th=[ 58], 20.00th=[ 65], | 30.00th=[ 70], 40.00th=[ 75], 50.00th=[ 80], 60.00th=[ 84], | 70.00th=[ 89], 80.00th=[ 94], 90.00th=[ 101], 95.00th=[ 109], | 99.00th=[ 128], 99.50th=[ 140], 99.90th=[ 142], 99.95th=[ 142], | 99.99th=[ 153] bw ( KiB/s): min= 648, max= 984, per=24.82%, avg=791.44, stdev=85.49, samples=25 iops : min= 162, max= 246, avg=197.68, stdev=21.45, samples=25 lat (msec) : 20=0.04%, 50=2.89%, 100=86.48%, 250=10.59% cpu : usr=0.26%, sys=1.92%, ctx=2737, majf=0, minf=9 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=187298: Wed Sep 24 13:59:19 2025 write: IOPS=200, BW=800KiB/s (819kB/s)(10.0MiB/12799msec); 0 zone resets slat (usec): min=26, max=4089, avg=123.79, stdev=173.16 clat (msec): min=7, max=152, avg=79.79, stdev=17.53 lat (msec): min=7, max=152, avg=79.92, stdev=17.53 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 53], 10.00th=[ 58], 20.00th=[ 66], | 30.00th=[ 70], 40.00th=[ 75], 50.00th=[ 80], 60.00th=[ 84], | 70.00th=[ 88], 80.00th=[ 94], 90.00th=[ 101], 95.00th=[ 112], | 99.00th=[ 129], 99.50th=[ 140], 99.90th=[ 153], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 645, max= 1036, per=24.94%, avg=795.44, stdev=97.77, samples=25 iops : min= 161, max= 259, avg=198.68, stdev=24.52, samples=25 lat (msec) : 10=0.04%, 20=0.08%, 50=3.05%, 100=86.48%, 250=10.35% cpu : usr=0.33%, sys=1.76%, ctx=2994, 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=187299: Wed Sep 24 13:59:19 2025 write: IOPS=199, BW=797KiB/s (817kB/s)(10.0MiB/12841msec); 0 zone resets slat (usec): min=27, max=30241, avg=131.12, stdev=616.71 clat (msec): min=12, max=150, avg=79.75, stdev=17.29 lat (msec): min=12, max=150, avg=79.89, stdev=17.27 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 54], 10.00th=[ 58], 20.00th=[ 65], | 30.00th=[ 70], 40.00th=[ 75], 50.00th=[ 80], 60.00th=[ 84], | 70.00th=[ 89], 80.00th=[ 94], 90.00th=[ 101], 95.00th=[ 109], | 99.00th=[ 126], 99.50th=[ 140], 99.90th=[ 150], 99.95th=[ 150], | 99.99th=[ 150] bw ( KiB/s): min= 662, max= 1024, per=24.78%, avg=790.12, stdev=82.63, samples=25 iops : min= 165, max= 256, avg=197.32, stdev=20.68, samples=25 lat (msec) : 20=0.08%, 50=2.34%, 100=87.38%, 250=10.20% cpu : usr=0.23%, sys=2.07%, ctx=2947, 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=3190KiB/s (3266kB/s), 797KiB/s-800KiB/s (817kB/s-819kB/s), io=40.0MiB (41.9MB), run=12799-12841msec 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=187310: Wed Sep 24 13:59:37 2025 read: IOPS=86, BW=347KiB/s (356kB/s)(5048KiB/14530msec) slat (usec): min=1983, max=20193, avg=6121.61, stdev=2614.19 clat (msec): min=40, max=150, avg=85.46, stdev=18.76 lat (msec): min=42, max=160, avg=91.58, stdev=19.65 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 59], 10.00th=[ 63], 20.00th=[ 69], | 30.00th=[ 74], 40.00th=[ 80], 50.00th=[ 84], 60.00th=[ 89], | 70.00th=[ 95], 80.00th=[ 103], 90.00th=[ 111], 95.00th=[ 121], | 99.00th=[ 132], 99.50th=[ 136], 99.90th=[ 146], 99.95th=[ 150], | 99.99th=[ 150] bw ( KiB/s): min= 223, max= 464, per=25.15%, avg=347.32, stdev=60.53, samples=28 iops : min= 55, max= 116, avg=86.50, stdev=15.23, samples=28 write: IOPS=89, BW=357KiB/s (366kB/s)(5192KiB/14530msec); 0 zone resets slat (usec): min=34, max=6660, avg=141.26, stdev=251.67 clat (msec): min=43, max=146, avg=88.62, stdev=18.33 lat (msec): min=43, max=146, avg=88.77, stdev=18.33 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 62], 10.00th=[ 67], 20.00th=[ 73], | 30.00th=[ 79], 40.00th=[ 83], 50.00th=[ 87], 60.00th=[ 92], | 70.00th=[ 97], 80.00th=[ 104], 90.00th=[ 114], 95.00th=[ 123], | 99.00th=[ 140], 99.50th=[ 144], 99.90th=[ 144], 99.95th=[ 146], | 99.99th=[ 146] bw ( KiB/s): min= 256, max= 472, per=24.84%, avg=356.93, stdev=61.08, samples=28 iops : min= 64, max= 118, avg=88.89, stdev=15.33, samples=28 lat (msec) : 50=0.78%, 100=75.23%, 250=23.98% cpu : usr=0.37%, sys=2.71%, ctx=4825, 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=187311: Wed Sep 24 13:59:37 2025 read: IOPS=86, BW=345KiB/s (353kB/s)(4976KiB/14436msec) slat (usec): min=25, max=19863, avg=6178.84, stdev=2806.30 clat (msec): min=13, max=173, avg=85.61, stdev=19.89 lat (msec): min=13, max=188, avg=91.79, stdev=20.86 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 58], 10.00th=[ 63], 20.00th=[ 70], | 30.00th=[ 74], 40.00th=[ 79], 50.00th=[ 84], 60.00th=[ 89], | 70.00th=[ 94], 80.00th=[ 102], 90.00th=[ 113], 95.00th=[ 122], | 99.00th=[ 142], 99.50th=[ 150], 99.90th=[ 165], 99.95th=[ 174], | 99.99th=[ 174] bw ( KiB/s): min= 207, max= 456, per=24.98%, avg=345.00, stdev=54.43, samples=28 iops : min= 51, max= 114, avg=85.93, stdev=13.70, samples=28 write: IOPS=91, BW=365KiB/s (373kB/s)(5264KiB/14436msec); 0 zone resets slat (usec): min=25, max=4009, avg=129.72, stdev=193.47 clat (msec): min=37, max=159, avg=88.40, stdev=19.11 lat (msec): min=38, max=159, avg=88.53, stdev=19.13 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 62], 10.00th=[ 66], 20.00th=[ 72], | 30.00th=[ 79], 40.00th=[ 83], 50.00th=[ 86], 60.00th=[ 91], | 70.00th=[ 96], 80.00th=[ 104], 90.00th=[ 114], 95.00th=[ 126], | 99.00th=[ 142], 99.50th=[ 146], 99.90th=[ 157], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 254, max= 456, per=25.39%, avg=364.82, stdev=64.12, samples=28 iops : min= 63, max= 114, avg=90.86, stdev=16.07, samples=28 lat (msec) : 20=0.08%, 50=0.82%, 100=76.02%, 250=23.09% cpu : usr=0.40%, sys=2.60%, ctx=4807, 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=187312: Wed Sep 24 13:59:37 2025 read: IOPS=85, BW=343KiB/s (352kB/s)(4984KiB/14518msec) slat (usec): min=1794, max=22090, avg=6145.10, stdev=2675.00 clat (msec): min=41, max=154, avg=85.28, stdev=19.25 lat (msec): min=45, max=164, avg=91.43, stdev=20.27 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 57], 10.00th=[ 62], 20.00th=[ 69], | 30.00th=[ 73], 40.00th=[ 80], 50.00th=[ 84], 60.00th=[ 89], | 70.00th=[ 94], 80.00th=[ 102], 90.00th=[ 111], 95.00th=[ 122], | 99.00th=[ 132], 99.50th=[ 142], 99.90th=[ 153], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 183, max= 512, per=24.99%, avg=345.18, stdev=72.17, samples=28 iops : min= 45, max= 128, avg=85.96, stdev=18.16, samples=28 write: IOPS=90, BW=362KiB/s (371kB/s)(5256KiB/14518msec); 0 zone resets slat (usec): min=32, max=5763, avg=143.30, stdev=284.05 clat (msec): min=14, max=156, avg=88.88, stdev=18.15 lat (msec): min=14, max=156, avg=89.02, stdev=18.15 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 63], 10.00th=[ 68], 20.00th=[ 74], | 30.00th=[ 79], 40.00th=[ 83], 50.00th=[ 87], 60.00th=[ 92], | 70.00th=[ 96], 80.00th=[ 104], 90.00th=[ 114], 95.00th=[ 123], | 99.00th=[ 138], 99.50th=[ 146], 99.90th=[ 155], 99.95th=[ 157], | 99.99th=[ 157] bw ( KiB/s): min= 247, max= 471, per=25.10%, avg=360.64, stdev=56.37, samples=28 iops : min= 61, max= 117, avg=89.82, stdev=14.08, samples=28 lat (msec) : 20=0.04%, 50=0.66%, 100=76.33%, 250=22.97% cpu : usr=0.34%, sys=2.69%, ctx=4762, majf=0, minf=15 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=187313: Wed Sep 24 13:59:37 2025 read: IOPS=87, BW=349KiB/s (358kB/s)(5060KiB/14490msec) slat (usec): min=1764, max=19300, avg=6270.47, stdev=2719.93 clat (msec): min=13, max=155, avg=84.98, stdev=18.76 lat (msec): min=17, max=163, avg=91.26, stdev=19.63 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 58], 10.00th=[ 62], 20.00th=[ 69], | 30.00th=[ 74], 40.00th=[ 80], 50.00th=[ 84], 60.00th=[ 88], | 70.00th=[ 94], 80.00th=[ 102], 90.00th=[ 111], 95.00th=[ 117], | 99.00th=[ 132], 99.50th=[ 146], 99.90th=[ 150], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 239, max= 496, per=25.37%, avg=350.43, stdev=63.94, samples=28 iops : min= 59, max= 124, avg=87.25, stdev=16.10, samples=28 write: IOPS=89, BW=357KiB/s (366kB/s)(5180KiB/14490msec); 0 zone resets slat (usec): min=36, max=3693, avg=136.31, stdev=204.39 clat (msec): min=48, max=166, avg=88.78, stdev=18.52 lat (msec): min=48, max=166, avg=88.92, stdev=18.52 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 61], 10.00th=[ 66], 20.00th=[ 73], | 30.00th=[ 79], 40.00th=[ 83], 50.00th=[ 88], 60.00th=[ 92], | 70.00th=[ 97], 80.00th=[ 104], 90.00th=[ 113], 95.00th=[ 122], | 99.00th=[ 142], 99.50th=[ 150], 99.90th=[ 165], 99.95th=[ 167], | 99.99th=[ 167] bw ( KiB/s): min= 199, max= 440, per=24.83%, avg=356.75, stdev=53.73, samples=28 iops : min= 49, max= 110, avg=88.86, stdev=13.49, samples=28 lat (msec) : 20=0.04%, 50=0.66%, 100=75.70%, 250=23.59% cpu : usr=0.35%, sys=2.73%, ctx=4905, majf=0, minf=18 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=1381KiB/s (1414kB/s), 343KiB/s-349KiB/s (352kB/s-358kB/s), io=19.6MiB (20.5MB), run=14436-14530msec WRITE: bw=1438KiB/s (1472kB/s), 357KiB/s-365KiB/s (366kB/s-373kB/s), io=20.4MiB (21.4MB), run=14436-14530msec 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=187319: Wed Sep 24 13:59:41 2025 read: IOPS=3, BW=152MiB/s (159MB/s)(40.0MiB/263msec) slat (nsec): min=18065k, max=18065k, avg=18064861.00, stdev= 0.00 clat (nsec): min=223928k, max=223928k, avg=223928496.00, stdev= 0.00 lat (nsec): min=241999k, max=241999k, avg=241998601.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 224], 5.00th=[ 224], 10.00th=[ 224], 20.00th=[ 224], | 30.00th=[ 224], 40.00th=[ 224], 50.00th=[ 224], 60.00th=[ 224], | 70.00th=[ 224], 80.00th=[ 224], 90.00th=[ 224], 95.00th=[ 224], | 99.00th=[ 224], 99.50th=[ 224], 99.90th=[ 224], 99.95th=[ 224], | 99.99th=[ 224] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=3.05%, ctx=13, majf=0, minf=10 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=152MiB/s (159MB/s), 152MiB/s-152MiB/s (159MB/s-159MB/s), io=40.0MiB (41.9MB), run=263-263msec 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