== sanity test 398c: run fio to test AIO ================= 01:03:29 (1746162209) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.20475 s, 205 MB/s osc.lustre-OST0000-osc-ffff88012a414800.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=21611: Fri May 2 01:03:45 2025 write: IOPS=188, BW=755KiB/s (773kB/s)(10.0MiB/13559msec) slat (usec): min=11, max=3886, avg=105.08, stdev=235.61 clat (msec): min=12, max=164, avg=84.35, stdev=18.13 lat (msec): min=12, max=164, avg=84.46, stdev=18.13 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 60], 10.00th=[ 64], 20.00th=[ 70], | 30.00th=[ 74], 40.00th=[ 79], 50.00th=[ 84], 60.00th=[ 87], | 70.00th=[ 92], 80.00th=[ 97], 90.00th=[ 106], 95.00th=[ 116], | 99.00th=[ 144], 99.50th=[ 150], 99.90th=[ 163], 99.95th=[ 163], | 99.99th=[ 165] bw ( KiB/s): min= 509, max= 920, per=24.87%, avg=750.33, stdev=95.65, samples=27 iops : min= 127, max= 230, avg=187.41, stdev=23.87, samples=27 lat (msec) : 20=0.23%, 50=0.12%, 100=82.97%, 250=16.68% cpu : usr=0.46%, sys=2.94%, ctx=1257, 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=21612: Fri May 2 01:03:45 2025 write: IOPS=188, BW=755KiB/s (773kB/s)(10.0MiB/13565msec) slat (usec): min=12, max=5029, avg=118.90, stdev=275.31 clat (msec): min=22, max=158, avg=84.27, stdev=17.64 lat (msec): min=22, max=158, avg=84.39, stdev=17.65 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 61], 10.00th=[ 64], 20.00th=[ 70], | 30.00th=[ 74], 40.00th=[ 78], 50.00th=[ 83], 60.00th=[ 87], | 70.00th=[ 92], 80.00th=[ 97], 90.00th=[ 107], 95.00th=[ 117], | 99.00th=[ 146], 99.50th=[ 146], 99.90th=[ 150], 99.95th=[ 150], | 99.99th=[ 159] bw ( KiB/s): min= 544, max= 1000, per=24.94%, avg=752.52, stdev=103.14, samples=27 iops : min= 136, max= 250, avg=188.00, stdev=25.79, samples=27 lat (msec) : 50=0.20%, 100=84.38%, 250=15.43% cpu : usr=0.79%, sys=2.63%, ctx=1255, 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=21613: Fri May 2 01:03:45 2025 write: IOPS=188, BW=756KiB/s (774kB/s)(10.0MiB/13546msec) slat (usec): min=14, max=5281, avg=96.50, stdev=240.00 clat (msec): min=50, max=164, avg=84.26, stdev=17.64 lat (msec): min=50, max=164, avg=84.36, stdev=17.64 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 61], 10.00th=[ 65], 20.00th=[ 70], | 30.00th=[ 74], 40.00th=[ 79], 50.00th=[ 82], 60.00th=[ 86], | 70.00th=[ 91], 80.00th=[ 97], 90.00th=[ 106], 95.00th=[ 120], | 99.00th=[ 144], 99.50th=[ 153], 99.90th=[ 165], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 518, max= 924, per=24.97%, avg=753.26, stdev=93.18, samples=27 iops : min= 129, max= 231, avg=188.15, stdev=23.34, samples=27 lat (msec) : 100=84.69%, 250=15.31% cpu : usr=0.75%, sys=2.25%, ctx=977, 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=21614: Fri May 2 01:03:45 2025 write: IOPS=188, BW=754KiB/s (772kB/s)(10.0MiB/13575msec) slat (usec): min=13, max=4610, avg=105.47, stdev=245.46 clat (msec): min=45, max=159, avg=84.12, stdev=17.46 lat (msec): min=45, max=159, avg=84.23, stdev=17.46 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 61], 10.00th=[ 64], 20.00th=[ 70], | 30.00th=[ 74], 40.00th=[ 79], 50.00th=[ 83], 60.00th=[ 87], | 70.00th=[ 91], 80.00th=[ 97], 90.00th=[ 106], 95.00th=[ 115], | 99.00th=[ 144], 99.50th=[ 150], 99.90th=[ 161], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 510, max= 964, per=24.87%, avg=750.30, stdev=102.17, samples=27 iops : min= 127, max= 241, avg=187.41, stdev=25.62, samples=27 lat (msec) : 50=0.08%, 100=85.51%, 250=14.41% cpu : usr=1.08%, sys=2.18%, ctx=1254, 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 Run status group 0 (all jobs): WRITE: bw=3017KiB/s (3090kB/s), 754KiB/s-756KiB/s (772kB/s-774kB/s), io=40.0MiB (41.9MB), run=13546-13575msec 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=21635: Fri May 2 01:03:57 2025 read: IOPS=118, BW=474KiB/s (485kB/s)(5048KiB/10656msec) slat (usec): min=1322, max=15185, avg=4388.99, stdev=1861.25 clat (msec): min=12, max=114, avg=62.48, stdev=14.30 lat (msec): min=18, max=121, avg=66.88, stdev=14.76 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 42], 10.00th=[ 46], 20.00th=[ 51], | 30.00th=[ 54], 40.00th=[ 58], 50.00th=[ 62], 60.00th=[ 65], | 70.00th=[ 69], 80.00th=[ 74], 90.00th=[ 83], 95.00th=[ 90], | 99.00th=[ 102], 99.50th=[ 104], 99.90th=[ 114], 99.95th=[ 115], | 99.99th=[ 115] bw ( KiB/s): min= 344, max= 592, per=24.99%, avg=470.48, stdev=75.06, samples=21 iops : min= 86, max= 148, avg=117.48, stdev=18.76, samples=21 write: IOPS=121, BW=487KiB/s (499kB/s)(5192KiB/10656msec) slat (usec): min=13, max=5831, avg=120.58, stdev=317.31 clat (msec): min=26, max=111, avg=65.27, stdev=13.52 lat (msec): min=26, max=111, avg=65.39, stdev=13.55 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 46], 10.00th=[ 50], 20.00th=[ 55], | 30.00th=[ 58], 40.00th=[ 61], 50.00th=[ 64], 60.00th=[ 67], | 70.00th=[ 70], 80.00th=[ 75], 90.00th=[ 85], 95.00th=[ 92], | 99.00th=[ 103], 99.50th=[ 106], 99.90th=[ 110], 99.95th=[ 112], | 99.99th=[ 112] bw ( KiB/s): min= 391, max= 632, per=24.75%, avg=485.10, stdev=69.40, samples=21 iops : min= 97, max= 158, avg=121.10, stdev=17.50, samples=21 lat (msec) : 20=0.04%, 50=14.61%, 100=84.10%, 250=1.25% cpu : usr=0.91%, sys=6.03%, ctx=2247, 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=21636: Fri May 2 01:03:57 2025 read: IOPS=117, BW=470KiB/s (481kB/s)(4976KiB/10586msec) slat (usec): min=1068, max=15011, avg=4444.03, stdev=1919.01 clat (msec): min=6, max=113, avg=61.97, stdev=14.36 lat (msec): min=14, max=122, avg=66.41, stdev=14.96 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 43], 10.00th=[ 46], 20.00th=[ 51], | 30.00th=[ 54], 40.00th=[ 57], 50.00th=[ 61], 60.00th=[ 64], | 70.00th=[ 68], 80.00th=[ 74], 90.00th=[ 81], 95.00th=[ 90], | 99.00th=[ 105], 99.50th=[ 110], 99.90th=[ 113], 99.95th=[ 114], | 99.99th=[ 114] bw ( KiB/s): min= 336, max= 616, per=24.84%, avg=467.81, stdev=69.98, samples=21 iops : min= 84, max= 154, avg=116.76, stdev=17.45, samples=21 write: IOPS=124, BW=497KiB/s (509kB/s)(5264KiB/10586msec) slat (usec): min=14, max=2722, avg=100.27, stdev=191.19 clat (msec): min=23, max=113, avg=64.89, stdev=14.19 lat (msec): min=23, max=113, avg=64.99, stdev=14.18 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 46], 10.00th=[ 50], 20.00th=[ 55], | 30.00th=[ 58], 40.00th=[ 60], 50.00th=[ 63], 60.00th=[ 66], | 70.00th=[ 70], 80.00th=[ 75], 90.00th=[ 86], 95.00th=[ 94], | 99.00th=[ 107], 99.50th=[ 109], 99.90th=[ 112], 99.95th=[ 114], | 99.99th=[ 114] bw ( KiB/s): min= 360, max= 662, per=25.36%, avg=497.10, stdev=78.33, samples=21 iops : min= 90, max= 165, avg=124.10, stdev=19.61, samples=21 lat (msec) : 10=0.04%, 20=0.04%, 50=15.31%, 100=82.77%, 250=1.84% cpu : usr=0.00%, sys=7.08%, ctx=2242, 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=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=21637: Fri May 2 01:03:57 2025 read: IOPS=117, BW=469KiB/s (480kB/s)(4984KiB/10623msec) slat (usec): min=19, max=15450, avg=4481.92, stdev=2009.60 clat (msec): min=5, max=113, avg=63.20, stdev=14.83 lat (msec): min=7, max=118, avg=67.68, stdev=15.35 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 43], 10.00th=[ 47], 20.00th=[ 52], | 30.00th=[ 55], 40.00th=[ 58], 50.00th=[ 62], 60.00th=[ 65], | 70.00th=[ 69], 80.00th=[ 75], 90.00th=[ 85], 95.00th=[ 93], | 99.00th=[ 103], 99.50th=[ 109], 99.90th=[ 114], 99.95th=[ 114], | 99.99th=[ 114] bw ( KiB/s): min= 359, max= 632, per=24.92%, avg=469.19, stdev=70.75, samples=21 iops : min= 89, max= 158, avg=117.00, stdev=17.91, samples=21 write: IOPS=123, BW=495KiB/s (507kB/s)(5256KiB/10623msec) slat (usec): min=15, max=3204, avg=111.72, stdev=230.50 clat (msec): min=27, max=118, avg=64.74, stdev=13.92 lat (msec): min=29, max=118, avg=64.85, stdev=13.92 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 45], 10.00th=[ 49], 20.00th=[ 54], | 30.00th=[ 57], 40.00th=[ 61], 50.00th=[ 63], 60.00th=[ 66], | 70.00th=[ 70], 80.00th=[ 75], 90.00th=[ 85], 95.00th=[ 92], | 99.00th=[ 104], 99.50th=[ 110], 99.90th=[ 118], 99.95th=[ 118], | 99.99th=[ 118] bw ( KiB/s): min= 383, max= 608, per=25.10%, avg=492.00, stdev=78.50, samples=21 iops : min= 95, max= 152, avg=122.71, stdev=19.74, samples=21 lat (msec) : 10=0.04%, 20=0.04%, 50=14.10%, 100=84.10%, 250=1.72% cpu : usr=0.62%, sys=6.35%, ctx=2260, 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=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=21638: Fri May 2 01:03:57 2025 read: IOPS=118, BW=475KiB/s (486kB/s)(5060KiB/10655msec) slat (usec): min=1469, max=15112, avg=4477.83, stdev=1797.41 clat (msec): min=18, max=119, avg=62.24, stdev=13.98 lat (msec): min=21, max=124, avg=66.72, stdev=14.48 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 43], 10.00th=[ 46], 20.00th=[ 51], | 30.00th=[ 54], 40.00th=[ 58], 50.00th=[ 61], 60.00th=[ 65], | 70.00th=[ 69], 80.00th=[ 73], 90.00th=[ 83], 95.00th=[ 89], | 99.00th=[ 99], 99.50th=[ 104], 99.90th=[ 117], 99.95th=[ 121], | 99.99th=[ 121] bw ( KiB/s): min= 336, max= 574, per=25.19%, avg=474.38, stdev=67.57, samples=21 iops : min= 84, max= 143, avg=118.48, stdev=16.89, samples=21 write: IOPS=121, BW=486KiB/s (498kB/s)(5180KiB/10655msec) slat (usec): min=15, max=2775, avg=110.39, stdev=200.48 clat (msec): min=33, max=112, avg=65.41, stdev=13.56 lat (msec): min=33, max=112, avg=65.52, stdev=13.57 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 47], 10.00th=[ 51], 20.00th=[ 54], | 30.00th=[ 58], 40.00th=[ 61], 50.00th=[ 64], 60.00th=[ 67], | 70.00th=[ 71], 80.00th=[ 75], 90.00th=[ 85], 95.00th=[ 93], | 99.00th=[ 103], 99.50th=[ 108], 99.90th=[ 113], 99.95th=[ 113], | 99.99th=[ 113] bw ( KiB/s): min= 375, max= 640, per=24.71%, avg=484.29, stdev=66.62, samples=21 iops : min= 93, max= 160, avg=120.95, stdev=16.67, samples=21 lat (msec) : 20=0.04%, 50=14.34%, 100=84.57%, 250=1.05% cpu : usr=2.15%, sys=5.06%, ctx=2320, 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=1883KiB/s (1928kB/s), 469KiB/s-475KiB/s (480kB/s-486kB/s), io=19.6MiB (20.5MB), run=10586-10656msec WRITE: bw=1961KiB/s (2008kB/s), 486KiB/s-497KiB/s (498kB/s-509kB/s), io=20.4MiB (21.4MB), run=10586-10656msec 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=21651: Fri May 2 01:03:59 2025 read: IOPS=3, BW=142MiB/s (149MB/s)(40.0MiB/281msec) slat (nsec): min=2922.8k, max=2922.8k, avg=2922756.00, stdev= 0.00 clat (nsec): min=270209k, max=270209k, avg=270208768.00, stdev= 0.00 lat (nsec): min=273153k, max=273153k, avg=273153315.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 271], 10.00th=[ 271], 20.00th=[ 271], | 30.00th=[ 271], 40.00th=[ 271], 50.00th=[ 271], 60.00th=[ 271], | 70.00th=[ 271], 80.00th=[ 271], 90.00th=[ 271], 95.00th=[ 271], | 99.00th=[ 271], 99.50th=[ 271], 99.90th=[ 271], 99.95th=[ 271], | 99.99th=[ 271] lat (msec) : 500=100.00% cpu : usr=0.36%, sys=0.71%, ctx=5, 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=142MiB/s (149MB/s), 142MiB/s-142MiB/s (149MB/s-149MB/s), io=40.0MiB (41.9MB), run=281-281msec 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