== sanity test 123ad: Verify batching statahead works correctly ========================================================== 16:50:35 (1717015835) batching: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats=0 llite.lustre-ffff8800aafb7000.statahead_max=32 llite.lustre-ffff8800aafb7000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats=0 total: 100 open/close in 1.38 seconds: 72.64 ops/second llite.lustre-ffff8800aafb7000.statahead_max=0 101 real 0m1.377s user 0m0.006s sys 0m0.334s ls -l 100 files without statahead: 2 sec llite.lustre-ffff8800aafb7000.statahead_max=32 32 101 real 0m0.376s user 0m0.004s sys 0m0.127s ls -l 100 files with statahead: 1 sec statahead total: 28 statahead wrong: 0 agl total: 28 list_total: 28 fname_total: 0 hit_total: 1883 miss_total: 138 total: 900 open/close in 6.70 seconds: 134.25 ops/second llite.lustre-ffff8800aafb7000.statahead_max=0 1001 real 0m11.921s user 0m0.067s sys 0m3.030s ls -l 1000 files without statahead: 12 sec llite.lustre-ffff8800aafb7000.statahead_max=32 32 1001 real 0m3.261s user 0m0.033s sys 0m1.029s ls -l 1000 files with statahead: 3 sec statahead total: 29 statahead wrong: 0 agl total: 29 list_total: 29 fname_total: 0 hit_total: 2882 miss_total: 144 ls -l done rm -r /mnt/lustre/d123ad.sanity/: 9 seconds rm done statahead total: 29 statahead wrong: 0 agl total: 29 list_total: 29 fname_total: 0 hit_total: 2882 miss_total: 144 mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats= snapshot_time: 1717015879.043660970 secs.nsecs start_time: 1717015837.201499323 secs.nsecs elapsed_time: 41.842161647 secs.nsecs subreqs per batch batches % cum % 1: 1 2 2 2: 0 0 2 4: 1 2 5 8: 2 5 10 16: 2 5 15 32: 34 85 100 - open/close 1280 (time 1717015890.69 total 10.00 last 128.00) - open/close 2524 (time 1717015900.70 total 20.01 last 124.29) - open/close 3738 (time 1717015910.70 total 30.01 last 121.34) - open/close 5106 (time 1717015920.71 total 40.02 last 136.72) - open/close 6332 (time 1717015930.71 total 50.02 last 122.59) - open/close 7602 (time 1717015940.71 total 60.02 last 126.96) - open/close 8854 (time 1717015950.71 total 70.03 last 125.18) total: 10000 open/close in 76.86 seconds: 130.11 ops/second llite.lustre-ffff8800aafb7000.statahead_batch_max=0 llite.lustre-ffff8800aafb7000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8800aafb7000.stats=clear 10001 real 0m23.802s user 0m0.294s sys 0m9.568s llite.lustre-ffff8800aafb7000.statahead_batch_max=32 llite.lustre-ffff8800aafb7000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8800aafb7000.stats=clear 10001 real 0m35.866s user 0m0.288s sys 0m10.224s unbatched RPCs: 10004, batched RPCs: 315 mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats= snapshot_time: 1717016024.826528469 secs.nsecs start_time: 1717015984.344170119 secs.nsecs elapsed_time: 40.482358350 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 1 0 0 16: 2 0 0 32: 312 99 100 batching: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats=0 llite.lustre-ffff8800aafb7000.statahead_max=2048 llite.lustre-ffff8800aafb7000.statahead_batch_max=256 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats=0 total: 100 open/close in 0.94 seconds: 106.16 ops/second llite.lustre-ffff8800aafb7000.statahead_max=0 101 real 0m0.875s user 0m0.004s sys 0m0.285s ls -l 100 files without statahead: 1 sec llite.lustre-ffff8800aafb7000.statahead_max=2048 2048 101 real 0m0.353s user 0m0.006s sys 0m0.125s ls -l 100 files with statahead: 0 sec statahead total: 2 statahead wrong: 0 agl total: 2 list_total: 2 fname_total: 0 hit_total: 10098 miss_total: 60 total: 900 open/close in 6.11 seconds: 147.26 ops/second llite.lustre-ffff8800aafb7000.statahead_max=0 1001 real 0m10.811s user 0m0.069s sys 0m2.912s ls -l 1000 files without statahead: 11 sec llite.lustre-ffff8800aafb7000.statahead_max=2048 2048 1001 real 0m1.402s user 0m0.020s sys 0m0.967s ls -l 1000 files with statahead: 1 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 61 ls -l done rm -r /mnt/lustre/d123ad.sanity/: 7 seconds rm done statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 61 mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats= snapshot_time: 1717016125.418445464 secs.nsecs start_time: 1717016026.127499528 secs.nsecs elapsed_time: 99.290945936 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 2 20 20 16: 2 20 40 32: 1 10 50 64: 0 0 50 128: 1 10 60 256: 4 40 100 - open/close 1569 (time 1717016136.41 total 10.00 last 156.87) - open/close 3155 (time 1717016146.41 total 20.00 last 158.56) - open/close 4765 (time 1717016156.41 total 30.01 last 160.98) - open/close 6494 (time 1717016166.41 total 40.01 last 172.84) - open/close 8037 (time 1717016176.41 total 50.01 last 154.30) - open/close 9478 (time 1717016186.42 total 60.01 last 144.08) total: 10000 open/close in 63.08 seconds: 158.53 ops/second llite.lustre-ffff8800aafb7000.statahead_batch_max=0 llite.lustre-ffff8800aafb7000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8800aafb7000.stats=clear 10001 real 0m15.848s user 0m0.247s sys 0m9.246s llite.lustre-ffff8800aafb7000.statahead_batch_max=256 llite.lustre-ffff8800aafb7000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8800aafb7000.stats=clear 10001 real 0m12.686s user 0m0.277s sys 0m9.604s unbatched RPCs: 10004, batched RPCs: 238 mdc.lustre-MDT0000-mdc-ffff8800aafb7000.batch_stats= snapshot_time: 1717016224.430233036 secs.nsecs start_time: 1717016207.998889843 secs.nsecs elapsed_time: 16.431343193 secs.nsecs subreqs per batch batches % cum % 1: 143 60 60 2: 12 5 65 4: 12 5 70 8: 8 3 73 16: 13 5 78 32: 8 3 82 64: 6 2 84 128: 0 0 84 256: 36 15 100 seq.cli-lustre-OST0000-super.width=33554431 seq.cli-lustre-OST0001-super.width=33554431 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff8800aafb7000.statahead_batch_max=64 llite.lustre-ffff8800aafb7000.statahead_max=128