== sanity test 398c: run fio to test AIO ================= 03:25:43 (1753428343) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.13647 s, 307 MB/s osc.lustre-OST0000-osc-ffff9dfb83fe1800.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=157287: Fri Jul 25 03:26:28 2025 write: IOPS=61, BW=247KiB/s (253kB/s)(10.0MiB/41397msec); 0 zone resets slat (usec): min=29, max=1603, avg=156.29, stdev=104.66 clat (msec): min=31, max=502, avg=258.31, stdev=67.08 lat (msec): min=31, max=502, avg=258.47, stdev=67.07 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 171], 10.00th=[ 184], 20.00th=[ 201], | 30.00th=[ 213], 40.00th=[ 230], 50.00th=[ 247], 60.00th=[ 266], | 70.00th=[ 288], 80.00th=[ 317], 90.00th=[ 355], 95.00th=[ 388], | 99.00th=[ 435], 99.50th=[ 447], 99.90th=[ 485], 99.95th=[ 485], | 99.99th=[ 502] bw ( KiB/s): min= 159, max= 368, per=25.00%, avg=247.21, stdev=55.99, samples=82 iops : min= 39, max= 92, avg=61.71, stdev=14.06, samples=82 lat (msec) : 50=0.04%, 100=0.20%, 250=51.76%, 500=47.97%, 750=0.04% cpu : usr=0.15%, sys=0.86%, ctx=2096, 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=157288: Fri Jul 25 03:26:28 2025 write: IOPS=61, BW=247KiB/s (253kB/s)(10.0MiB/41411msec); 0 zone resets slat (usec): min=25, max=3869, avg=156.88, stdev=130.45 clat (msec): min=129, max=504, avg=258.32, stdev=66.02 lat (msec): min=130, max=504, avg=258.48, stdev=66.03 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 171], 10.00th=[ 184], 20.00th=[ 203], | 30.00th=[ 213], 40.00th=[ 228], 50.00th=[ 245], 60.00th=[ 266], | 70.00th=[ 288], 80.00th=[ 317], 90.00th=[ 355], 95.00th=[ 388], | 99.00th=[ 426], 99.50th=[ 447], 99.90th=[ 506], 99.95th=[ 506], | 99.99th=[ 506] bw ( KiB/s): min= 144, max= 368, per=24.97%, avg=246.96, stdev=56.46, samples=82 iops : min= 36, max= 92, avg=61.65, stdev=14.18, samples=82 lat (msec) : 250=52.73%, 500=47.15%, 750=0.12% cpu : usr=0.14%, sys=0.88%, ctx=1998, 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=157289: Fri Jul 25 03:26:28 2025 write: IOPS=61, BW=248KiB/s (254kB/s)(10.0MiB/41334msec); 0 zone resets slat (usec): min=28, max=1059, avg=145.31, stdev=96.05 clat (msec): min=35, max=496, avg=258.03, stdev=66.88 lat (msec): min=35, max=496, avg=258.18, stdev=66.88 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 171], 10.00th=[ 186], 20.00th=[ 201], | 30.00th=[ 213], 40.00th=[ 228], 50.00th=[ 247], 60.00th=[ 266], | 70.00th=[ 292], 80.00th=[ 317], 90.00th=[ 355], 95.00th=[ 384], | 99.00th=[ 426], 99.50th=[ 447], 99.90th=[ 460], 99.95th=[ 477], | 99.99th=[ 498] bw ( KiB/s): min= 128, max= 360, per=25.00%, avg=247.26, stdev=59.81, samples=82 iops : min= 32, max= 90, avg=61.72, stdev=15.02, samples=82 lat (msec) : 50=0.04%, 100=0.59%, 250=51.52%, 500=47.85% cpu : usr=0.16%, sys=0.80%, ctx=1756, 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=157290: Fri Jul 25 03:26:28 2025 write: IOPS=61, BW=247KiB/s (253kB/s)(10.0MiB/41410msec); 0 zone resets slat (usec): min=25, max=2901, avg=152.25, stdev=125.08 clat (msec): min=116, max=503, avg=258.39, stdev=66.69 lat (msec): min=116, max=504, avg=258.54, stdev=66.69 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 174], 10.00th=[ 186], 20.00th=[ 201], | 30.00th=[ 213], 40.00th=[ 230], 50.00th=[ 247], 60.00th=[ 264], | 70.00th=[ 288], 80.00th=[ 317], 90.00th=[ 355], 95.00th=[ 384], | 99.00th=[ 430], 99.50th=[ 451], 99.90th=[ 498], 99.95th=[ 502], | 99.99th=[ 506] bw ( KiB/s): min= 144, max= 384, per=24.94%, avg=246.68, stdev=56.83, samples=82 iops : min= 36, max= 96, avg=61.57, stdev=14.26, samples=82 lat (msec) : 250=52.66%, 500=47.27%, 750=0.08% cpu : usr=0.14%, sys=0.85%, ctx=1881, 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=989KiB/s (1013kB/s), 247KiB/s-248KiB/s (253kB/s-254kB/s), io=40.0MiB (41.9MB), run=41334-41411msec 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=157306: Fri Jul 25 03:26:57 2025 read: IOPS=51, BW=204KiB/s (209kB/s)(5048KiB/24732msec) slat (usec): min=1159, max=7564, avg=3046.12, stdev=1049.37 clat (msec): min=6, max=180, avg=99.95, stdev=19.11 lat (msec): min=11, max=184, avg=103.00, stdev=19.28 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 71], 10.00th=[ 78], 20.00th=[ 85], | 30.00th=[ 91], 40.00th=[ 95], 50.00th=[ 100], 60.00th=[ 105], | 70.00th=[ 110], 80.00th=[ 116], 90.00th=[ 124], 95.00th=[ 131], | 99.00th=[ 148], 99.50th=[ 157], 99.90th=[ 180], 99.95th=[ 182], | 99.99th=[ 182] bw ( KiB/s): min= 104, max= 304, per=25.17%, avg=203.90, stdev=42.37, samples=49 iops : min= 26, max= 76, avg=50.94, stdev=10.59, samples=49 write: IOPS=52, BW=210KiB/s (215kB/s)(5192KiB/24732msec); 0 zone resets slat (usec): min=25, max=892, avg=139.80, stdev=79.48 clat (msec): min=78, max=352, avg=203.88, stdev=47.58 lat (msec): min=78, max=352, avg=204.03, stdev=47.58 clat percentiles (msec): | 1.00th=[ 111], 5.00th=[ 131], 10.00th=[ 146], 20.00th=[ 163], | 30.00th=[ 176], 40.00th=[ 188], 50.00th=[ 201], 60.00th=[ 213], | 70.00th=[ 228], 80.00th=[ 247], 90.00th=[ 268], 95.00th=[ 288], | 99.00th=[ 330], 99.50th=[ 338], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 136, max= 296, per=24.80%, avg=209.08, stdev=35.14, samples=49 iops : min= 34, max= 74, avg=52.22, stdev= 8.76, samples=49 lat (msec) : 10=0.04%, 20=0.08%, 50=0.16%, 100=25.86%, 250=65.16% lat (msec) : 500=8.71% cpu : usr=0.26%, sys=1.98%, ctx=2735, 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=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=157307: Fri Jul 25 03:26:57 2025 read: IOPS=50, BW=201KiB/s (206kB/s)(4976KiB/24758msec) slat (usec): min=1245, max=7624, avg=3025.85, stdev=1050.58 clat (msec): min=5, max=196, avg=100.46, stdev=20.17 lat (msec): min=8, max=199, avg=103.49, stdev=20.36 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 70], 10.00th=[ 78], 20.00th=[ 85], | 30.00th=[ 91], 40.00th=[ 95], 50.00th=[ 101], 60.00th=[ 105], | 70.00th=[ 109], 80.00th=[ 116], 90.00th=[ 126], 95.00th=[ 134], | 99.00th=[ 157], 99.50th=[ 163], 99.90th=[ 182], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 104, max= 296, per=24.73%, avg=200.33, stdev=50.73, samples=49 iops : min= 26, max= 74, avg=50.04, stdev=12.70, samples=49 write: IOPS=53, BW=213KiB/s (218kB/s)(5264KiB/24758msec); 0 zone resets slat (usec): min=29, max=509, avg=135.35, stdev=70.93 clat (msec): min=74, max=348, avg=202.58, stdev=49.60 lat (msec): min=74, max=349, avg=202.72, stdev=49.60 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 126], 10.00th=[ 140], 20.00th=[ 163], | 30.00th=[ 176], 40.00th=[ 188], 50.00th=[ 201], 60.00th=[ 213], | 70.00th=[ 228], 80.00th=[ 243], 90.00th=[ 271], 95.00th=[ 292], | 99.00th=[ 330], 99.50th=[ 338], 99.90th=[ 347], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 144, max= 304, per=25.16%, avg=212.12, stdev=40.01, samples=49 iops : min= 36, max= 76, avg=53.00, stdev=10.00, samples=49 lat (msec) : 10=0.04%, 20=0.08%, 50=0.12%, 100=24.61%, 250=66.72% lat (msec) : 500=8.44% cpu : usr=0.29%, sys=1.93%, ctx=2721, 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=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=157308: Fri Jul 25 03:26:57 2025 read: IOPS=50, BW=201KiB/s (206kB/s)(4984KiB/24758msec) slat (usec): min=1237, max=7507, avg=3047.83, stdev=1039.35 clat (msec): min=2, max=163, avg=99.80, stdev=19.53 lat (msec): min=5, max=166, avg=102.85, stdev=19.70 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 71], 10.00th=[ 78], 20.00th=[ 86], | 30.00th=[ 91], 40.00th=[ 95], 50.00th=[ 100], 60.00th=[ 104], | 70.00th=[ 109], 80.00th=[ 115], 90.00th=[ 125], 95.00th=[ 131], | 99.00th=[ 150], 99.50th=[ 157], 99.90th=[ 163], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 96, max= 368, per=24.81%, avg=200.98, stdev=53.87, samples=49 iops : min= 24, max= 92, avg=50.20, stdev=13.47, samples=49 write: IOPS=53, BW=212KiB/s (217kB/s)(5256KiB/24758msec); 0 zone resets slat (usec): min=29, max=904, avg=135.21, stdev=79.36 clat (msec): min=69, max=358, avg=203.22, stdev=49.38 lat (msec): min=69, max=358, avg=203.36, stdev=49.38 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 130], 10.00th=[ 144], 20.00th=[ 163], | 30.00th=[ 174], 40.00th=[ 186], 50.00th=[ 201], 60.00th=[ 213], | 70.00th=[ 228], 80.00th=[ 245], 90.00th=[ 271], 95.00th=[ 292], | 99.00th=[ 330], 99.50th=[ 334], 99.90th=[ 359], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 128, max= 279, per=24.96%, avg=210.39, stdev=33.93, samples=49 iops : min= 32, max= 69, avg=52.55, stdev= 8.45, samples=49 lat (msec) : 4=0.04%, 10=0.04%, 20=0.23%, 50=0.20%, 100=25.12% lat (msec) : 250=65.86%, 500=8.52% cpu : usr=0.30%, sys=1.92%, ctx=2695, 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=157309: Fri Jul 25 03:26:57 2025 read: IOPS=51, BW=205KiB/s (210kB/s)(5060KiB/24647msec) slat (usec): min=40, max=6671, avg=3008.92, stdev=1044.67 clat (msec): min=4, max=280, avg=100.49, stdev=21.46 lat (msec): min=5, max=282, avg=103.50, stdev=21.59 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 69], 10.00th=[ 78], 20.00th=[ 86], | 30.00th=[ 92], 40.00th=[ 96], 50.00th=[ 101], 60.00th=[ 105], | 70.00th=[ 110], 80.00th=[ 116], 90.00th=[ 126], 95.00th=[ 133], | 99.00th=[ 148], 99.50th=[ 159], 99.90th=[ 234], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 104, max= 280, per=25.42%, avg=205.94, stdev=43.73, samples=48 iops : min= 26, max= 70, avg=51.44, stdev=10.92, samples=48 write: IOPS=52, BW=210KiB/s (215kB/s)(5180KiB/24647msec); 0 zone resets slat (usec): min=32, max=957, avg=134.97, stdev=76.00 clat (msec): min=30, max=382, avg=202.98, stdev=51.58 lat (msec): min=30, max=382, avg=203.12, stdev=51.59 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 127], 10.00th=[ 142], 20.00th=[ 161], | 30.00th=[ 174], 40.00th=[ 186], 50.00th=[ 199], 60.00th=[ 215], | 70.00th=[ 228], 80.00th=[ 245], 90.00th=[ 271], 95.00th=[ 292], | 99.00th=[ 347], 99.50th=[ 359], 99.90th=[ 380], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 136, max= 287, per=24.94%, avg=210.27, stdev=30.99, samples=48 iops : min= 34, max= 71, avg=52.52, stdev= 7.71, samples=48 lat (msec) : 10=0.12%, 20=0.31%, 50=0.23%, 100=24.69%, 250=66.13% lat (msec) : 500=8.52% cpu : usr=0.28%, sys=1.96%, ctx=2726, 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=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=811KiB/s (830kB/s), 201KiB/s-205KiB/s (206kB/s-210kB/s), io=19.6MiB (20.5MB), run=24647-24758msec WRITE: bw=844KiB/s (864kB/s), 210KiB/s-213KiB/s (215kB/s-218kB/s), io=20.4MiB (21.4MB), run=24647-24758msec 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=157316: Fri Jul 25 03:27:00 2025 read: IOPS=7, BW=303MiB/s (318MB/s)(40.0MiB/132msec) slat (nsec): min=13257k, max=13257k, avg=13256988.00, stdev= 0.00 clat (nsec): min=112007k, max=112007k, avg=112007009.00, stdev= 0.00 lat (nsec): min=125269k, max=125269k, avg=125268624.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 112], 5.00th=[ 112], 10.00th=[ 112], 20.00th=[ 112], | 30.00th=[ 112], 40.00th=[ 112], 50.00th=[ 112], 60.00th=[ 112], | 70.00th=[ 112], 80.00th=[ 112], 90.00th=[ 112], 95.00th=[ 112], | 99.00th=[ 112], 99.50th=[ 112], 99.90th=[ 112], 99.95th=[ 112], | 99.99th=[ 112] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=10.69%, ctx=2, 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=303MiB/s (318MB/s), 303MiB/s-303MiB/s (318MB/s-318MB/s), io=40.0MiB (41.9MB), run=132-132msec 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