== sanity test 398c: run fio to test AIO ================= 23:06:22 (1784084782) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.168739 s, 249 MB/s osc.lustre-OST0000-osc-ffff9972eaded000.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=159621: Tue Jul 14 23:07:05 2026 write: IOPS=65, BW=260KiB/s (267kB/s)(10.0MiB/39328msec); 0 zone resets slat (usec): min=36, max=3470, avg=253.23, stdev=165.83 clat (msec): min=54, max=432, avg=245.18, stdev=52.59 lat (msec): min=54, max=433, avg=245.43, stdev=52.60 clat percentiles (msec): | 1.00th=[ 121], 5.00th=[ 163], 10.00th=[ 182], 20.00th=[ 203], | 30.00th=[ 218], 40.00th=[ 232], 50.00th=[ 245], 60.00th=[ 257], | 70.00th=[ 271], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 334], | 99.00th=[ 380], 99.50th=[ 401], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 152, max= 412, per=24.84%, avg=258.62, stdev=46.79, samples=78 iops : min= 38, max= 103, avg=64.51, stdev=11.75, samples=78 lat (msec) : 100=0.08%, 250=54.18%, 500=45.74% cpu : usr=0.12%, sys=1.30%, ctx=2915, 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=159622: Tue Jul 14 23:07:05 2026 write: IOPS=65, BW=261KiB/s (268kB/s)(10.0MiB/39177msec); 0 zone resets slat (usec): min=39, max=3663, avg=255.68, stdev=173.50 clat (msec): min=64, max=543, avg=244.45, stdev=56.14 lat (msec): min=64, max=543, avg=244.71, stdev=56.16 clat percentiles (msec): | 1.00th=[ 113], 5.00th=[ 161], 10.00th=[ 182], 20.00th=[ 201], | 30.00th=[ 218], 40.00th=[ 232], 50.00th=[ 245], 60.00th=[ 257], | 70.00th=[ 271], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 334], | 99.00th=[ 393], 99.50th=[ 418], 99.90th=[ 527], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 152, max= 514, per=25.10%, avg=261.32, stdev=51.97, samples=77 iops : min= 38, max= 128, avg=65.18, stdev=13.02, samples=77 lat (msec) : 100=0.66%, 250=54.41%, 500=44.77%, 750=0.16% cpu : usr=0.16%, sys=1.30%, ctx=2823, 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=159623: Tue Jul 14 23:07:05 2026 write: IOPS=65, BW=261KiB/s (267kB/s)(10.0MiB/39273msec); 0 zone resets slat (usec): min=36, max=3632, avg=244.97, stdev=178.05 clat (msec): min=50, max=454, avg=244.95, stdev=53.93 lat (msec): min=50, max=455, avg=245.20, stdev=53.95 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 159], 10.00th=[ 180], 20.00th=[ 203], | 30.00th=[ 220], 40.00th=[ 232], 50.00th=[ 245], 60.00th=[ 257], | 70.00th=[ 271], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 334], | 99.00th=[ 380], 99.50th=[ 409], 99.90th=[ 418], 99.95th=[ 439], | 99.99th=[ 456] bw ( KiB/s): min= 167, max= 432, per=24.93%, avg=259.53, stdev=50.18, samples=78 iops : min= 41, max= 108, avg=64.73, stdev=12.56, samples=78 lat (msec) : 100=0.66%, 250=53.75%, 500=45.59% cpu : usr=0.13%, sys=1.24%, ctx=2862, 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=159624: Tue Jul 14 23:07:05 2026 write: IOPS=65, BW=261KiB/s (267kB/s)(10.0MiB/39306msec); 0 zone resets slat (usec): min=39, max=4224, avg=253.41, stdev=185.09 clat (msec): min=76, max=437, avg=245.06, stdev=53.19 lat (msec): min=76, max=438, avg=245.32, stdev=53.19 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 159], 10.00th=[ 182], 20.00th=[ 203], | 30.00th=[ 218], 40.00th=[ 232], 50.00th=[ 245], 60.00th=[ 257], | 70.00th=[ 271], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 334], | 99.00th=[ 384], 99.50th=[ 401], 99.90th=[ 430], 99.95th=[ 435], | 99.99th=[ 439] bw ( KiB/s): min= 168, max= 432, per=24.93%, avg=259.49, stdev=48.24, samples=78 iops : min= 42, max= 108, avg=64.73, stdev=12.08, samples=78 lat (msec) : 100=0.35%, 250=54.30%, 500=45.35% cpu : usr=0.14%, sys=1.29%, ctx=2894, 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=1041KiB/s (1066kB/s), 260KiB/s-261KiB/s (267kB/s-268kB/s), io=40.0MiB (41.9MB), run=39177-39328msec 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=159639: Tue Jul 14 23:07:35 2026 read: IOPS=48, BW=192KiB/s (197kB/s)(5048KiB/26277msec) slat (usec): min=57, max=14384, avg=3446.88, stdev=1335.47 clat (msec): min=7, max=267, avg=103.70, stdev=26.35 lat (msec): min=10, max=272, avg=107.16, stdev=26.73 clat percentiles (msec): | 1.00th=[ 19], 5.00th=[ 68], 10.00th=[ 75], 20.00th=[ 84], | 30.00th=[ 91], 40.00th=[ 97], 50.00th=[ 104], 60.00th=[ 109], | 70.00th=[ 116], 80.00th=[ 124], 90.00th=[ 133], 95.00th=[ 144], | 99.00th=[ 165], 99.50th=[ 186], 99.90th=[ 266], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 111, max= 280, per=25.28%, avg=192.15, stdev=47.39, samples=52 iops : min= 27, max= 70, avg=47.98, stdev=11.87, samples=52 write: IOPS=49, BW=198KiB/s (202kB/s)(5192KiB/26277msec); 0 zone resets slat (usec): min=59, max=3279, avg=246.05, stdev=197.99 clat (msec): min=38, max=417, avg=219.20, stdev=59.87 lat (msec): min=38, max=417, avg=219.45, stdev=59.88 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 130], 10.00th=[ 146], 20.00th=[ 167], | 30.00th=[ 186], 40.00th=[ 201], 50.00th=[ 218], 60.00th=[ 232], | 70.00th=[ 247], 80.00th=[ 268], 90.00th=[ 300], 95.00th=[ 326], | 99.00th=[ 372], 99.50th=[ 384], 99.90th=[ 405], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 103, max= 312, per=24.93%, avg=197.23, stdev=43.28, samples=52 iops : min= 25, max= 78, avg=49.25, stdev=10.84, samples=52 lat (msec) : 10=0.04%, 20=0.51%, 50=0.27%, 100=21.76%, 250=63.28% lat (msec) : 500=14.14% cpu : usr=0.25%, sys=2.23%, ctx=5048, 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=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=159640: Tue Jul 14 23:07:35 2026 read: IOPS=47, BW=189KiB/s (193kB/s)(4976KiB/26379msec) slat (usec): min=1222, max=9203, avg=3414.51, stdev=1231.52 clat (msec): min=5, max=222, avg=104.25, stdev=25.51 lat (msec): min=9, max=225, avg=107.67, stdev=25.80 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 69], 10.00th=[ 75], 20.00th=[ 84], | 30.00th=[ 90], 40.00th=[ 95], 50.00th=[ 103], 60.00th=[ 110], | 70.00th=[ 115], 80.00th=[ 125], 90.00th=[ 138], 95.00th=[ 148], | 99.00th=[ 171], 99.50th=[ 188], 99.90th=[ 220], 99.95th=[ 224], | 99.99th=[ 224] bw ( KiB/s): min= 72, max= 280, per=24.84%, avg=188.79, stdev=49.49, samples=52 iops : min= 18, max= 70, avg=47.15, stdev=12.38, samples=52 write: IOPS=49, BW=200KiB/s (204kB/s)(5264KiB/26379msec); 0 zone resets slat (usec): min=59, max=12921, avg=247.51, stdev=384.85 clat (msec): min=89, max=370, avg=218.10, stdev=58.54 lat (msec): min=89, max=370, avg=218.35, stdev=58.52 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 131], 10.00th=[ 142], 20.00th=[ 165], | 30.00th=[ 182], 40.00th=[ 201], 50.00th=[ 215], 60.00th=[ 230], | 70.00th=[ 247], 80.00th=[ 268], 90.00th=[ 305], 95.00th=[ 321], | 99.00th=[ 359], 99.50th=[ 368], 99.90th=[ 372], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 103, max= 320, per=25.25%, avg=199.71, stdev=46.02, samples=52 iops : min= 25, max= 80, avg=49.88, stdev=11.55, samples=52 lat (msec) : 10=0.16%, 50=0.16%, 100=22.73%, 250=62.81%, 500=14.14% cpu : usr=0.25%, sys=2.20%, ctx=5152, 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=159641: Tue Jul 14 23:07:35 2026 read: IOPS=47, BW=189KiB/s (194kB/s)(4984KiB/26355msec) slat (usec): min=1210, max=10754, avg=3448.20, stdev=1232.96 clat (msec): min=5, max=219, avg=103.88, stdev=26.02 lat (msec): min=8, max=222, avg=107.33, stdev=26.34 clat percentiles (msec): | 1.00th=[ 40], 5.00th=[ 67], 10.00th=[ 75], 20.00th=[ 83], | 30.00th=[ 90], 40.00th=[ 96], 50.00th=[ 103], 60.00th=[ 109], | 70.00th=[ 115], 80.00th=[ 127], 90.00th=[ 138], 95.00th=[ 150], | 99.00th=[ 163], 99.50th=[ 176], 99.90th=[ 211], 99.95th=[ 220], | 99.99th=[ 220] bw ( KiB/s): min= 104, max= 310, per=25.01%, avg=190.10, stdev=45.49, samples=52 iops : min= 26, max= 77, avg=47.48, stdev=11.39, samples=52 write: IOPS=49, BW=199KiB/s (204kB/s)(5256KiB/26355msec); 0 zone resets slat (usec): min=51, max=6493, avg=252.57, stdev=237.70 clat (msec): min=51, max=396, avg=218.28, stdev=57.72 lat (msec): min=51, max=396, avg=218.54, stdev=57.72 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 131], 10.00th=[ 146], 20.00th=[ 167], | 30.00th=[ 184], 40.00th=[ 201], 50.00th=[ 215], 60.00th=[ 230], | 70.00th=[ 245], 80.00th=[ 268], 90.00th=[ 296], 95.00th=[ 321], | 99.00th=[ 359], 99.50th=[ 368], 99.90th=[ 388], 99.95th=[ 397], | 99.99th=[ 397] bw ( KiB/s): min= 111, max= 280, per=25.11%, avg=198.63, stdev=43.34, samples=52 iops : min= 27, max= 70, avg=49.62, stdev=10.88, samples=52 lat (msec) : 10=0.12%, 20=0.16%, 50=0.31%, 100=22.81%, 250=62.66% lat (msec) : 500=13.95% cpu : usr=0.25%, sys=2.26%, ctx=5145, 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=159642: Tue Jul 14 23:07:35 2026 read: IOPS=47, BW=192KiB/s (196kB/s)(5060KiB/26380msec) slat (usec): min=1295, max=15425, avg=3431.73, stdev=1270.03 clat (msec): min=5, max=207, avg=104.01, stdev=24.66 lat (msec): min=11, max=211, avg=107.44, stdev=25.00 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 69], 10.00th=[ 75], 20.00th=[ 84], | 30.00th=[ 91], 40.00th=[ 97], 50.00th=[ 103], 60.00th=[ 109], | 70.00th=[ 116], 80.00th=[ 126], 90.00th=[ 136], 95.00th=[ 146], | 99.00th=[ 165], 99.50th=[ 174], 99.90th=[ 197], 99.95th=[ 207], | 99.99th=[ 207] bw ( KiB/s): min= 96, max= 342, per=25.32%, avg=192.46, stdev=52.93, samples=52 iops : min= 24, max= 85, avg=48.08, stdev=13.22, samples=52 write: IOPS=49, BW=196KiB/s (201kB/s)(5180KiB/26380msec); 0 zone resets slat (usec): min=48, max=8138, avg=249.45, stdev=302.01 clat (msec): min=92, max=393, avg=219.91, stdev=57.70 lat (msec): min=92, max=393, avg=220.16, stdev=57.71 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 132], 10.00th=[ 148], 20.00th=[ 167], | 30.00th=[ 186], 40.00th=[ 201], 50.00th=[ 220], 60.00th=[ 230], | 70.00th=[ 245], 80.00th=[ 268], 90.00th=[ 300], 95.00th=[ 326], | 99.00th=[ 359], 99.50th=[ 368], 99.90th=[ 384], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 127, max= 280, per=24.78%, avg=196.02, stdev=39.00, samples=52 iops : min= 31, max= 70, avg=48.96, stdev= 9.81, samples=52 lat (msec) : 10=0.08%, 20=0.16%, 50=0.27%, 100=21.99%, 250=63.71% lat (msec) : 500=13.79% cpu : usr=0.20%, sys=2.25%, ctx=5131, majf=0, minf=17 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=761KiB/s (779kB/s), 189KiB/s-192KiB/s (193kB/s-197kB/s), io=19.6MiB (20.5MB), run=26277-26380msec WRITE: bw=792KiB/s (811kB/s), 196KiB/s-200KiB/s (201kB/s-204kB/s), io=20.4MiB (21.4MB), run=26277-26380msec 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=159649: Tue Jul 14 23:07:39 2026 read: IOPS=7, BW=299MiB/s (313MB/s)(40.0MiB/134msec) slat (nsec): min=12228k, max=12228k, avg=12227695.00, stdev= 0.00 clat (nsec): min=113587k, max=113587k, avg=113586819.00, stdev= 0.00 lat (nsec): min=125819k, max=125819k, avg=125819322.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 114], 10.00th=[ 114], 20.00th=[ 114], | 30.00th=[ 114], 40.00th=[ 114], 50.00th=[ 114], 60.00th=[ 114], | 70.00th=[ 114], 80.00th=[ 114], 90.00th=[ 114], 95.00th=[ 114], | 99.00th=[ 114], 99.50th=[ 114], 99.90th=[ 114], 99.95th=[ 114], | 99.99th=[ 114] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=8.27%, ctx=11, 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=299MiB/s (313MB/s), 299MiB/s-299MiB/s (313MB/s-313MB/s), io=40.0MiB (41.9MB), run=134-134msec 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