== sanity test 398c: run fio to test AIO ================= 22:27:06 (1746152826) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.270386 s, 155 MB/s osc.lustre-OST0000-osc-ffff8800a8f68000.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=27532: Thu May 1 22:27:24 2025 write: IOPS=169, BW=678KiB/s (694kB/s)(10.0MiB/15106msec) slat (usec): min=13, max=3560, avg=94.08, stdev=231.44 clat (msec): min=32, max=189, avg=94.02, stdev=18.53 lat (msec): min=32, max=189, avg=94.11, stdev=18.53 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 70], 10.00th=[ 74], 20.00th=[ 80], | 30.00th=[ 83], 40.00th=[ 87], 50.00th=[ 91], 60.00th=[ 95], | 70.00th=[ 103], 80.00th=[ 110], 90.00th=[ 118], 95.00th=[ 126], | 99.00th=[ 146], 99.50th=[ 153], 99.90th=[ 190], 99.95th=[ 190], | 99.99th=[ 190] bw ( KiB/s): min= 512, max= 816, per=25.00%, avg=676.37, stdev=70.03, samples=30 iops : min= 128, max= 204, avg=169.00, stdev=17.53, samples=30 lat (msec) : 50=0.04%, 100=67.89%, 250=32.07% cpu : usr=0.60%, sys=2.05%, ctx=949, 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 rand-write: (groupid=0, jobs=1): err= 0: pid=27533: Thu May 1 22:27:24 2025 write: IOPS=169, BW=679KiB/s (695kB/s)(10.0MiB/15090msec) slat (usec): min=14, max=4741, avg=106.70, stdev=293.99 clat (msec): min=16, max=152, avg=93.81, stdev=18.00 lat (msec): min=16, max=152, avg=93.92, stdev=18.00 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 68], 10.00th=[ 73], 20.00th=[ 80], | 30.00th=[ 84], 40.00th=[ 87], 50.00th=[ 91], 60.00th=[ 96], | 70.00th=[ 103], 80.00th=[ 109], 90.00th=[ 118], 95.00th=[ 128], | 99.00th=[ 144], 99.50th=[ 148], 99.90th=[ 150], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 512, max= 800, per=25.00%, avg=676.27, stdev=67.58, samples=30 iops : min= 128, max= 200, avg=168.93, stdev=16.90, samples=30 lat (msec) : 20=0.08%, 50=0.23%, 100=66.17%, 250=33.52% cpu : usr=0.34%, sys=2.48%, ctx=937, 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=27534: Thu May 1 22:27:24 2025 write: IOPS=169, BW=677KiB/s (693kB/s)(10.0MiB/15128msec) slat (usec): min=10, max=4819, avg=91.81, stdev=244.02 clat (msec): min=15, max=166, avg=94.00, stdev=17.60 lat (msec): min=16, max=166, avg=94.09, stdev=17.61 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 69], 10.00th=[ 74], 20.00th=[ 80], | 30.00th=[ 84], 40.00th=[ 88], 50.00th=[ 92], 60.00th=[ 96], | 70.00th=[ 102], 80.00th=[ 108], 90.00th=[ 117], 95.00th=[ 126], | 99.00th=[ 144], 99.50th=[ 153], 99.90th=[ 159], 99.95th=[ 159], | 99.99th=[ 167] bw ( KiB/s): min= 512, max= 896, per=24.94%, avg=674.73, stdev=72.10, samples=30 iops : min= 128, max= 224, avg=168.50, stdev=18.02, samples=30 lat (msec) : 20=0.04%, 100=67.07%, 250=32.89% cpu : usr=0.37%, sys=2.26%, ctx=927, 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=27535: Thu May 1 22:27:24 2025 write: IOPS=169, BW=676KiB/s (693kB/s)(10.0MiB/15141msec) slat (usec): min=13, max=5508, avg=100.01, stdev=279.20 clat (msec): min=12, max=152, avg=94.04, stdev=18.16 lat (msec): min=12, max=152, avg=94.14, stdev=18.17 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 70], 10.00th=[ 73], 20.00th=[ 80], | 30.00th=[ 84], 40.00th=[ 87], 50.00th=[ 92], 60.00th=[ 95], | 70.00th=[ 103], 80.00th=[ 109], 90.00th=[ 120], 95.00th=[ 129], | 99.00th=[ 144], 99.50th=[ 148], 99.90th=[ 148], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 512, max= 856, per=24.90%, avg=673.43, stdev=76.21, samples=30 iops : min= 128, max= 214, avg=168.23, stdev=19.11, samples=30 lat (msec) : 20=0.04%, 50=0.04%, 100=66.02%, 250=33.91% cpu : usr=0.85%, sys=1.86%, ctx=1035, 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=2705KiB/s (2770kB/s), 676KiB/s-679KiB/s (693kB/s-695kB/s), io=40.0MiB (41.9MB), run=15090-15141msec 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=27557: Thu May 1 22:27:40 2025 read: IOPS=85, BW=343KiB/s (352kB/s)(5048KiB/14696msec) slat (usec): min=1591, max=30050, avg=5930.97, stdev=2517.76 clat (msec): min=46, max=195, avg=86.98, stdev=19.78 lat (msec): min=51, max=203, avg=92.92, stdev=20.45 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 62], 10.00th=[ 66], 20.00th=[ 71], | 30.00th=[ 77], 40.00th=[ 80], 50.00th=[ 84], 60.00th=[ 89], | 70.00th=[ 94], 80.00th=[ 102], 90.00th=[ 112], 95.00th=[ 125], | 99.00th=[ 157], 99.50th=[ 169], 99.90th=[ 190], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 232, max= 448, per=25.00%, avg=341.21, stdev=56.57, samples=29 iops : min= 58, max= 112, avg=85.07, stdev=14.11, samples=29 write: IOPS=88, BW=353KiB/s (362kB/s)(5192KiB/14696msec) slat (usec): min=14, max=4172, avg=108.52, stdev=273.90 clat (msec): min=48, max=190, avg=89.29, stdev=17.96 lat (msec): min=48, max=190, avg=89.40, stdev=17.96 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 66], 10.00th=[ 70], 20.00th=[ 75], | 30.00th=[ 80], 40.00th=[ 83], 50.00th=[ 87], 60.00th=[ 91], | 70.00th=[ 95], 80.00th=[ 102], 90.00th=[ 112], 95.00th=[ 122], | 99.00th=[ 148], 99.50th=[ 176], 99.90th=[ 184], 99.95th=[ 190], | 99.99th=[ 190] bw ( KiB/s): min= 223, max= 472, per=24.81%, avg=352.52, stdev=60.40, samples=29 iops : min= 55, max= 118, avg=87.90, stdev=15.16, samples=29 lat (msec) : 50=0.27%, 100=78.48%, 250=21.25% cpu : usr=1.50%, sys=4.17%, ctx=2252, 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=27558: Thu May 1 22:27:40 2025 read: IOPS=84, BW=339KiB/s (347kB/s)(4976KiB/14674msec) slat (usec): min=1445, max=34161, avg=5953.25, stdev=2547.86 clat (msec): min=14, max=226, avg=86.71, stdev=19.62 lat (msec): min=21, max=232, avg=92.66, stdev=20.16 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 63], 10.00th=[ 66], 20.00th=[ 72], | 30.00th=[ 77], 40.00th=[ 81], 50.00th=[ 84], 60.00th=[ 89], | 70.00th=[ 94], 80.00th=[ 101], 90.00th=[ 112], 95.00th=[ 121], | 99.00th=[ 150], 99.50th=[ 165], 99.90th=[ 188], 99.95th=[ 226], | 99.99th=[ 226] bw ( KiB/s): min= 207, max= 456, per=24.60%, avg=335.83, stdev=64.95, samples=29 iops : min= 51, max= 114, avg=83.69, stdev=16.24, samples=29 write: IOPS=89, BW=359KiB/s (367kB/s)(5264KiB/14674msec) slat (usec): min=14, max=3053, avg=112.61, stdev=229.48 clat (msec): min=10, max=199, avg=89.65, stdev=18.86 lat (msec): min=10, max=200, avg=89.77, stdev=18.85 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 66], 10.00th=[ 70], 20.00th=[ 75], | 30.00th=[ 80], 40.00th=[ 83], 50.00th=[ 87], 60.00th=[ 91], | 70.00th=[ 95], 80.00th=[ 104], 90.00th=[ 114], 95.00th=[ 123], | 99.00th=[ 157], 99.50th=[ 176], 99.90th=[ 180], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 192, max= 488, per=25.17%, avg=357.66, stdev=66.02, samples=29 iops : min= 48, max= 122, avg=89.14, stdev=16.64, samples=29 lat (msec) : 20=0.08%, 50=0.27%, 100=76.80%, 250=22.85% cpu : usr=0.76%, sys=5.00%, ctx=2258, majf=0, minf=32 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=27559: Thu May 1 22:27:40 2025 read: IOPS=85, BW=341KiB/s (349kB/s)(4984KiB/14604msec) slat (usec): min=1373, max=41727, avg=5938.70, stdev=2626.30 clat (msec): min=23, max=196, avg=85.99, stdev=19.25 lat (msec): min=28, max=207, avg=91.93, stdev=19.97 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 61], 10.00th=[ 66], 20.00th=[ 71], | 30.00th=[ 75], 40.00th=[ 80], 50.00th=[ 84], 60.00th=[ 88], | 70.00th=[ 93], 80.00th=[ 100], 90.00th=[ 109], 95.00th=[ 120], | 99.00th=[ 159], 99.50th=[ 178], 99.90th=[ 192], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 207, max= 480, per=24.96%, avg=340.66, stdev=64.56, samples=29 iops : min= 51, max= 120, avg=84.93, stdev=16.26, samples=29 write: IOPS=89, BW=360KiB/s (369kB/s)(5256KiB/14604msec) slat (usec): min=14, max=10295, avg=133.62, stdev=389.34 clat (msec): min=48, max=190, avg=89.53, stdev=19.10 lat (msec): min=48, max=190, avg=89.66, stdev=19.09 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 65], 10.00th=[ 69], 20.00th=[ 74], | 30.00th=[ 79], 40.00th=[ 83], 50.00th=[ 87], 60.00th=[ 91], | 70.00th=[ 96], 80.00th=[ 104], 90.00th=[ 113], 95.00th=[ 125], | 99.00th=[ 155], 99.50th=[ 171], 99.90th=[ 184], 99.95th=[ 190], | 99.99th=[ 190] bw ( KiB/s): min= 239, max= 464, per=25.22%, avg=358.31, stdev=54.60, samples=29 iops : min= 59, max= 116, avg=89.34, stdev=13.72, samples=29 lat (msec) : 50=0.27%, 100=78.59%, 250=21.13% cpu : usr=0.91%, sys=4.93%, ctx=2249, 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=27560: Thu May 1 22:27:40 2025 read: IOPS=86, BW=347KiB/s (356kB/s)(5060KiB/14568msec) slat (usec): min=37, max=18306, avg=5910.65, stdev=2504.02 clat (msec): min=5, max=210, avg=85.72, stdev=20.29 lat (msec): min=6, max=216, avg=91.64, stdev=20.94 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 60], 10.00th=[ 65], 20.00th=[ 70], | 30.00th=[ 75], 40.00th=[ 80], 50.00th=[ 83], 60.00th=[ 89], | 70.00th=[ 93], 80.00th=[ 101], 90.00th=[ 110], 95.00th=[ 120], | 99.00th=[ 153], 99.50th=[ 165], 99.90th=[ 190], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 207, max= 424, per=25.38%, avg=346.41, stdev=54.08, samples=29 iops : min= 51, max= 106, avg=86.34, stdev=13.67, samples=29 write: IOPS=88, BW=356KiB/s (364kB/s)(5180KiB/14568msec) slat (usec): min=14, max=2253, avg=107.94, stdev=223.88 clat (msec): min=13, max=190, avg=89.98, stdev=19.57 lat (msec): min=13, max=191, avg=90.09, stdev=19.56 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 65], 10.00th=[ 70], 20.00th=[ 75], | 30.00th=[ 80], 40.00th=[ 84], 50.00th=[ 88], 60.00th=[ 92], | 70.00th=[ 97], 80.00th=[ 104], 90.00th=[ 114], 95.00th=[ 122], | 99.00th=[ 171], 99.50th=[ 184], 99.90th=[ 190], 99.95th=[ 190], | 99.99th=[ 190] bw ( KiB/s): min= 231, max= 463, per=24.98%, avg=354.97, stdev=53.38, samples=29 iops : min= 57, max= 115, avg=88.48, stdev=13.34, samples=29 lat (msec) : 10=0.20%, 20=0.04%, 50=0.39%, 100=76.95%, 250=22.42% cpu : usr=0.45%, sys=5.10%, ctx=2322, 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=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=1366KiB/s (1398kB/s), 339KiB/s-347KiB/s (347kB/s-356kB/s), io=19.6MiB (20.5MB), run=14568-14696msec WRITE: bw=1422KiB/s (1456kB/s), 353KiB/s-360KiB/s (362kB/s-369kB/s), io=20.4MiB (21.4MB), run=14568-14696msec 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=27576: Thu May 1 22:27:43 2025 read: IOPS=2, BW=99.3MiB/s (104MB/s)(40.0MiB/403msec) slat (nsec): min=3895.2k, max=3895.2k, avg=3895163.00, stdev= 0.00 clat (nsec): min=390557k, max=390557k, avg=390556753.00, stdev= 0.00 lat (nsec): min=394500k, max=394500k, avg=394500414.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 393], 10.00th=[ 393], 20.00th=[ 393], | 30.00th=[ 393], 40.00th=[ 393], 50.00th=[ 393], 60.00th=[ 393], | 70.00th=[ 393], 80.00th=[ 393], 90.00th=[ 393], 95.00th=[ 393], | 99.00th=[ 393], 99.50th=[ 393], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=0.50%, 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=99.3MiB/s (104MB/s), 99.3MiB/s-99.3MiB/s (104MB/s-104MB/s), io=40.0MiB (41.9MB), run=403-403msec 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