== sanity test 398c: run fio to test AIO ================= 20:34:59 (1763084099) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.223555 s, 188 MB/s osc.lustre-OST0000-osc-ffff9760ebf62000.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=148922: Thu Nov 13 20:36:01 2025 write: IOPS=44, BW=178KiB/s (183kB/s)(10.0MiB/57401msec); 0 zone resets slat (usec): min=23, max=3801, avg=128.47, stdev=152.16 clat (msec): min=93, max=754, avg=358.29, stdev=101.89 lat (msec): min=93, max=754, avg=358.42, stdev=101.89 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 211], 10.00th=[ 245], 20.00th=[ 284], | 30.00th=[ 305], 40.00th=[ 326], 50.00th=[ 347], 60.00th=[ 372], | 70.00th=[ 397], 80.00th=[ 430], 90.00th=[ 485], 95.00th=[ 531], | 99.00th=[ 701], 99.50th=[ 726], 99.90th=[ 751], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 7, max= 328, per=24.91%, avg=177.61, stdev=49.36, samples=114 iops : min= 1, max= 82, avg=44.15, stdev=12.36, samples=114 lat (msec) : 100=0.62%, 250=10.16%, 500=80.94%, 750=8.20%, 1000=0.08% cpu : usr=0.08%, sys=0.47%, ctx=2765, 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=148923: Thu Nov 13 20:36:01 2025 write: IOPS=44, BW=178KiB/s (183kB/s)(10.0MiB/57383msec); 0 zone resets slat (usec): min=24, max=4132, avg=127.13, stdev=147.89 clat (msec): min=114, max=750, avg=358.33, stdev=100.67 lat (msec): min=114, max=750, avg=358.46, stdev=100.68 clat percentiles (msec): | 1.00th=[ 128], 5.00th=[ 211], 10.00th=[ 239], 20.00th=[ 284], | 30.00th=[ 305], 40.00th=[ 330], 50.00th=[ 347], 60.00th=[ 372], | 70.00th=[ 397], 80.00th=[ 426], 90.00th=[ 485], 95.00th=[ 550], | 99.00th=[ 667], 99.50th=[ 709], 99.90th=[ 726], 99.95th=[ 726], | 99.99th=[ 751] bw ( KiB/s): min= 64, max= 328, per=24.91%, avg=177.61, stdev=48.45, samples=114 iops : min= 16, max= 82, avg=44.15, stdev=12.17, samples=114 lat (msec) : 250=11.41%, 500=80.59%, 750=7.97%, 1000=0.04% cpu : usr=0.07%, sys=0.48%, ctx=2777, 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=148924: Thu Nov 13 20:36:01 2025 write: IOPS=44, BW=178KiB/s (183kB/s)(10.0MiB/57401msec); 0 zone resets slat (usec): min=22, max=2127, avg=125.19, stdev=110.63 clat (msec): min=112, max=772, avg=358.31, stdev=100.75 lat (msec): min=112, max=772, avg=358.43, stdev=100.75 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 209], 10.00th=[ 247], 20.00th=[ 284], | 30.00th=[ 309], 40.00th=[ 326], 50.00th=[ 347], 60.00th=[ 372], | 70.00th=[ 397], 80.00th=[ 430], 90.00th=[ 489], 95.00th=[ 542], | 99.00th=[ 701], 99.50th=[ 718], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 776] bw ( KiB/s): min= 63, max= 352, per=25.13%, avg=179.20, stdev=47.04, samples=113 iops : min= 15, max= 88, avg=44.55, stdev=11.81, samples=113 lat (msec) : 250=10.78%, 500=81.17%, 750=7.93%, 1000=0.12% cpu : usr=0.09%, sys=0.48%, ctx=2784, majf=0, minf=8 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=148925: Thu Nov 13 20:36:01 2025 write: IOPS=44, BW=178KiB/s (183kB/s)(10.0MiB/57418msec); 0 zone resets slat (usec): min=26, max=2147, avg=130.57, stdev=120.31 clat (msec): min=46, max=770, avg=358.40, stdev=100.64 lat (msec): min=46, max=771, avg=358.53, stdev=100.63 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 209], 10.00th=[ 243], 20.00th=[ 284], | 30.00th=[ 305], 40.00th=[ 326], 50.00th=[ 347], 60.00th=[ 372], | 70.00th=[ 397], 80.00th=[ 426], 90.00th=[ 485], 95.00th=[ 542], | 99.00th=[ 676], 99.50th=[ 709], 99.90th=[ 768], 99.95th=[ 768], | 99.99th=[ 768] bw ( KiB/s): min= 47, max= 344, per=24.92%, avg=177.71, stdev=48.88, samples=114 iops : min= 11, max= 86, avg=44.18, stdev=12.30, samples=114 lat (msec) : 50=0.08%, 100=0.04%, 250=10.98%, 500=81.05%, 750=7.66% lat (msec) : 1000=0.20% cpu : usr=0.08%, sys=0.51%, ctx=2880, 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=713KiB/s (730kB/s), 178KiB/s-178KiB/s (183kB/s-183kB/s), io=40.0MiB (41.9MB), run=57383-57418msec 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=148943: Thu Nov 13 20:36:47 2025 read: IOPS=29, BW=117KiB/s (120kB/s)(5048KiB/43017msec) slat (usec): min=36, max=16255, avg=4718.79, stdev=1977.64 clat (msec): min=12, max=355, avg=172.36, stdev=41.65 lat (msec): min=21, max=359, avg=177.08, stdev=42.29 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 112], 10.00th=[ 126], 20.00th=[ 142], | 30.00th=[ 150], 40.00th=[ 159], 50.00th=[ 169], 60.00th=[ 180], | 70.00th=[ 192], 80.00th=[ 207], 90.00th=[ 228], 95.00th=[ 243], | 99.00th=[ 271], 99.50th=[ 279], 99.90th=[ 334], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 48, max= 199, per=25.15%, avg=116.96, stdev=37.18, samples=85 iops : min= 12, max= 49, avg=28.89, stdev= 9.25, samples=85 write: IOPS=30, BW=121KiB/s (124kB/s)(5192KiB/43017msec); 0 zone resets slat (usec): min=23, max=2415, avg=153.95, stdev=195.47 clat (msec): min=36, max=707, avg=357.61, stdev=104.54 lat (msec): min=36, max=707, avg=357.77, stdev=104.56 clat percentiles (msec): | 1.00th=[ 126], 5.00th=[ 211], 10.00th=[ 232], 20.00th=[ 264], | 30.00th=[ 305], 40.00th=[ 330], 50.00th=[ 351], 60.00th=[ 376], | 70.00th=[ 401], 80.00th=[ 439], 90.00th=[ 502], 95.00th=[ 550], | 99.00th=[ 642], 99.50th=[ 659], 99.90th=[ 676], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 55, max= 208, per=24.80%, avg=120.01, stdev=32.40, samples=85 iops : min= 13, max= 52, avg=29.66, stdev= 8.14, samples=85 lat (msec) : 20=0.04%, 50=0.62%, 100=1.02%, 250=53.71%, 500=39.57% lat (msec) : 750=5.04% cpu : usr=0.15%, sys=1.06%, ctx=4818, 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=148944: Thu Nov 13 20:36:47 2025 read: IOPS=28, BW=116KiB/s (118kB/s)(4976KiB/43043msec) slat (usec): min=1617, max=16067, avg=4697.14, stdev=1907.48 clat (msec): min=8, max=363, avg=170.88, stdev=41.48 lat (msec): min=11, max=366, avg=175.58, stdev=42.08 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 114], 10.00th=[ 126], 20.00th=[ 138], | 30.00th=[ 148], 40.00th=[ 157], 50.00th=[ 167], 60.00th=[ 178], | 70.00th=[ 192], 80.00th=[ 207], 90.00th=[ 224], 95.00th=[ 241], | 99.00th=[ 271], 99.50th=[ 292], 99.90th=[ 359], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 39, max= 231, per=24.79%, avg=115.26, stdev=38.91, samples=85 iops : min= 9, max= 57, avg=28.47, stdev= 9.72, samples=85 write: IOPS=30, BW=122KiB/s (125kB/s)(5264KiB/43043msec); 0 zone resets slat (usec): min=31, max=2016, avg=146.24, stdev=173.86 clat (msec): min=61, max=725, avg=356.60, stdev=101.66 lat (msec): min=61, max=725, avg=356.75, stdev=101.66 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 209], 10.00th=[ 236], 20.00th=[ 271], | 30.00th=[ 300], 40.00th=[ 326], 50.00th=[ 351], 60.00th=[ 376], | 70.00th=[ 405], 80.00th=[ 439], 90.00th=[ 493], 95.00th=[ 542], | 99.00th=[ 625], 99.50th=[ 634], 99.90th=[ 667], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 63, max= 192, per=25.18%, avg=121.87, stdev=31.08, samples=85 iops : min= 15, max= 48, avg=30.12, stdev= 7.79, samples=85 lat (msec) : 10=0.04%, 20=0.04%, 50=0.31%, 100=1.37%, 250=52.42% lat (msec) : 500=41.05%, 750=4.77% cpu : usr=0.14%, sys=1.04%, ctx=4853, 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=148945: Thu Nov 13 20:36:47 2025 read: IOPS=28, BW=116KiB/s (118kB/s)(4984KiB/43087msec) slat (usec): min=1524, max=15935, avg=4797.03, stdev=1902.04 clat (msec): min=19, max=301, avg=172.13, stdev=39.76 lat (msec): min=22, max=310, avg=176.93, stdev=40.31 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 114], 10.00th=[ 126], 20.00th=[ 142], | 30.00th=[ 150], 40.00th=[ 159], 50.00th=[ 169], 60.00th=[ 180], | 70.00th=[ 192], 80.00th=[ 205], 90.00th=[ 226], 95.00th=[ 241], | 99.00th=[ 271], 99.50th=[ 275], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 15, max= 208, per=24.79%, avg=115.29, stdev=36.07, samples=85 iops : min= 3, max= 52, avg=28.47, stdev= 9.07, samples=85 write: IOPS=30, BW=122KiB/s (125kB/s)(5256KiB/43087msec); 0 zone resets slat (usec): min=31, max=1699, avg=141.11, stdev=142.00 clat (msec): min=69, max=701, avg=356.11, stdev=103.16 lat (msec): min=70, max=701, avg=356.25, stdev=103.17 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 211], 10.00th=[ 234], 20.00th=[ 259], | 30.00th=[ 296], 40.00th=[ 326], 50.00th=[ 351], 60.00th=[ 372], | 70.00th=[ 401], 80.00th=[ 439], 90.00th=[ 498], 95.00th=[ 550], | 99.00th=[ 617], 99.50th=[ 642], 99.90th=[ 676], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 40, max= 200, per=24.88%, avg=120.42, stdev=33.03, samples=85 iops : min= 10, max= 50, avg=29.75, stdev= 8.22, samples=85 lat (msec) : 20=0.04%, 50=0.20%, 100=0.98%, 250=54.34%, 500=39.41% lat (msec) : 750=5.04% cpu : usr=0.15%, sys=1.02%, ctx=4967, 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=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=148946: Thu Nov 13 20:36:47 2025 read: IOPS=29, BW=117KiB/s (120kB/s)(5060KiB/43086msec) slat (usec): min=1691, max=15061, avg=4680.96, stdev=1835.96 clat (msec): min=14, max=307, avg=172.60, stdev=38.37 lat (msec): min=22, max=315, avg=177.29, stdev=38.94 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 116], 10.00th=[ 128], 20.00th=[ 142], | 30.00th=[ 150], 40.00th=[ 161], 50.00th=[ 171], 60.00th=[ 180], | 70.00th=[ 192], 80.00th=[ 203], 90.00th=[ 224], 95.00th=[ 241], | 99.00th=[ 275], 99.50th=[ 288], 99.90th=[ 300], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 16, max= 207, per=25.14%, avg=116.92, stdev=38.14, samples=85 iops : min= 4, max= 51, avg=28.88, stdev= 9.51, samples=85 write: IOPS=30, BW=120KiB/s (123kB/s)(5180KiB/43086msec); 0 zone resets slat (usec): min=37, max=3542, avg=146.84, stdev=190.47 clat (msec): min=44, max=725, avg=358.43, stdev=105.01 lat (msec): min=45, max=725, avg=358.57, stdev=105.01 clat percentiles (msec): | 1.00th=[ 130], 5.00th=[ 207], 10.00th=[ 232], 20.00th=[ 264], | 30.00th=[ 305], 40.00th=[ 330], 50.00th=[ 355], 60.00th=[ 376], | 70.00th=[ 401], 80.00th=[ 439], 90.00th=[ 502], 95.00th=[ 550], | 99.00th=[ 625], 99.50th=[ 651], 99.90th=[ 726], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 56, max= 192, per=24.59%, avg=119.01, stdev=29.23, samples=85 iops : min= 14, max= 48, avg=29.40, stdev= 7.31, samples=85 lat (msec) : 20=0.04%, 50=0.16%, 100=1.05%, 250=54.73%, 500=38.87% lat (msec) : 750=5.16% cpu : usr=0.16%, sys=1.05%, ctx=5192, 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=466KiB/s (477kB/s), 116KiB/s-117KiB/s (118kB/s-120kB/s), io=19.6MiB (20.5MB), run=43017-43087msec WRITE: bw=485KiB/s (497kB/s), 120KiB/s-122KiB/s (123kB/s-125kB/s), io=20.4MiB (21.4MB), run=43017-43087msec 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=148955: Thu Nov 13 20:36:51 2025 read: IOPS=6, BW=270MiB/s (283MB/s)(40.0MiB/148msec) slat (nsec): min=13625k, max=13625k, avg=13624663.00, stdev= 0.00 clat (nsec): min=124330k, max=124330k, avg=124329502.00, stdev= 0.00 lat (nsec): min=137958k, max=137958k, avg=137957647.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 125], 5.00th=[ 125], 10.00th=[ 125], 20.00th=[ 125], | 30.00th=[ 125], 40.00th=[ 125], 50.00th=[ 125], 60.00th=[ 125], | 70.00th=[ 125], 80.00th=[ 125], 90.00th=[ 125], 95.00th=[ 125], | 99.00th=[ 125], 99.50th=[ 125], 99.90th=[ 125], 99.95th=[ 125], | 99.99th=[ 125] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=8.16%, ctx=27, majf=0, minf=8 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=270MiB/s (283MB/s), 270MiB/s-270MiB/s (283MB/s-283MB/s), io=40.0MiB (41.9MB), run=148-148msec 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