== sanity test 123ad: Verify batching statahead works correctly ========================================================== 00:11:55 (1786421515) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats=0 llite.lustre-ffff8b563c9ab800.statahead_max=32 llite.lustre-ffff8b563c9ab800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats=0 striped dir -i1 -c2 -H crush /mnt/lustre/d123ad.sanity total: 100 open/close in 2.47 seconds: 40.44 ops/second llite.lustre-ffff8b563c9ab800.statahead_max=0 101 real 0m1.977s user 0m0.003s sys 0m0.332s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff8b563c9ab800.statahead_max=32 llite.lustre-ffff8b563c9ab800.statahead_max=32 101 real 0m1.021s user 0m0.007s sys 0m0.191s 'ls -l' 100 files with statahead: 1 sec statahead total: 139 statahead wrong: 2 agl total: 128 list_total: 30 fname_total: 94 hit_total: 3891 miss_total: 1732 swrong=2 ewrong=2 - open/close 761 (time 1786421540.81 total 10.02 last 75.96) total: 900 open/close in 12.08 seconds: 74.51 ops/second llite.lustre-ffff8b563c9ab800.statahead_max=0 1001 real 0m18.269s user 0m0.033s sys 0m3.188s 'ls -l' 1000 files without statahead: 18 sec llite.lustre-ffff8b563c9ab800.statahead_max=32 llite.lustre-ffff8b563c9ab800.statahead_max=32 1001 real 0m9.290s user 0m0.025s sys 0m1.545s 'ls -l' 1000 files with statahead: 10 sec statahead total: 140 statahead wrong: 2 agl total: 129 list_total: 31 fname_total: 94 hit_total: 4888 miss_total: 1735 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 28 seconds llite.lustre-ffff8b563c9ab800.statahead_stats= statahead total: 140 statahead wrong: 2 agl total: 129 list_total: 31 fname_total: 94 hit_total: 4888 miss_total: 1735 mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats= snapshot_time: 1786421609.869927425 secs.nsecs start_time: 1786421519.625723945 secs.nsecs elapsed_time: 90.244203480 secs.nsecs subreqs per batch batches %% cum %% 1: 2 5 5 2: 0 0 5 4: 3 8 13 8: 1 2 16 16: 25 69 86 32: 5 13 100 mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats= snapshot_time: 1786421609.870001803 secs.nsecs start_time: 1786421519.625960797 secs.nsecs elapsed_time: 90.244041006 secs.nsecs subreqs per batch batches %% cum %% 1: 1 2 2 2: 0 0 2 4: 1 2 5 8: 3 7 12 16: 9 22 35 32: 26 65 100 - open/close 847 (time 1786421623.45 total 10.01 last 84.60) - open/close 1544 (time 1786421633.45 total 20.01 last 69.68) - open/close 2256 (time 1786421643.46 total 30.03 last 71.12) - open/close 3052 (time 1786421653.46 total 40.03 last 79.59) - open/close 3819 (time 1786421663.48 total 50.04 last 76.60) - open/close 4614 (time 1786421673.49 total 60.05 last 79.41) - open/close 5448 (time 1786421683.50 total 70.07 last 83.29) - open/close 6277 (time 1786421693.51 total 80.07 last 82.86) - open/close 7095 (time 1786421703.53 total 90.09 last 81.65) - open/close 7857 (time 1786421713.54 total 100.10 last 76.11) - open/close 8546 (time 1786421723.55 total 110.11 last 68.83) - open/close 9259 (time 1786421733.55 total 120.11 last 71.29) - open/close 9906 (time 1786421743.61 total 130.18 last 64.31) total: 10000 open/close in 131.27 seconds: 76.18 ops/second llite.lustre-ffff8b563c9ab800.statahead_batch_max=0 llite.lustre-ffff8b563c9ab800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.stats=clear mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.stats=clear ls -l files in d123ad.sanity: 10001 real 2m9.687s user 0m0.337s sys 0m18.262s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8b563c9ab800.statahead_batch_max=32 llite.lustre-ffff8b563c9ab800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.stats=clear mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.stats=clear ls -l files in d123ad.sanity: 10001 real 2m7.205s user 0m0.322s sys 0m16.051s batched statahead RPC= hit count=9986 mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats= snapshot_time: 1786422021.804742320 secs.nsecs start_time: 1786421881.836179766 secs.nsecs elapsed_time: 139.968562554 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 1 0 0 16: 1 0 0 32: 313 99 100 mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats= snapshot_time: 1786422021.804819493 secs.nsecs start_time: 1786421881.836395183 secs.nsecs elapsed_time: 139.968424310 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats=0 llite.lustre-ffff8b563c9ab800.statahead_max=2048 llite.lustre-ffff8b563c9ab800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats=0 striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ad.sanity total: 100 open/close in 2.63 seconds: 37.96 ops/second llite.lustre-ffff8b563c9ab800.statahead_max=0 101 real 0m2.340s user 0m0.004s sys 0m0.318s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff8b563c9ab800.statahead_max=2048 llite.lustre-ffff8b563c9ab800.statahead_max=2048 101 real 0m0.923s user 0m0.004s sys 0m0.186s 'ls -l' 100 files with statahead: 1 sec statahead total: 2 statahead wrong: 0 agl total: 2 list_total: 2 fname_total: 0 hit_total: 10085 miss_total: 15 swrong=0 ewrong=0 - open/close 759 (time 1786422375.04 total 10.01 last 75.81) total: 900 open/close in 11.99 seconds: 75.08 ops/second llite.lustre-ffff8b563c9ab800.statahead_max=0 1001 real 0m20.460s user 0m0.028s sys 0m3.444s 'ls -l' 1000 files without statahead: 21 sec llite.lustre-ffff8b563c9ab800.statahead_max=2048 llite.lustre-ffff8b563c9ab800.statahead_max=2048 1001 real 0m8.874s user 0m0.029s sys 0m1.423s 'ls -l' 1000 files with statahead: 9 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11084 miss_total: 16 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 31 seconds llite.lustre-ffff8b563c9ab800.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11084 miss_total: 16 mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats= snapshot_time: 1786422452.135828016 secs.nsecs start_time: 1786422024.603805749 secs.nsecs elapsed_time: 427.532022267 secs.nsecs subreqs per batch batches %% cum %% 1: 1 16 16 2: 0 0 16 4: 2 33 50 8: 0 0 50 16: 0 0 50 32: 1 16 66 64: 0 0 66 128: 0 0 66 256: 2 33 100 mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats= snapshot_time: 1786422452.135929060 secs.nsecs start_time: 1786422024.603981546 secs.nsecs elapsed_time: 427.531947514 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 4 44 44 16: 1 11 55 32: 1 11 66 64: 0 0 66 128: 1 11 77 256: 2 22 100 - open/close 764 (time 1786422464.73 total 10.01 last 76.34) - open/close 1501 (time 1786422474.73 total 20.01 last 73.65) - open/close 2169 (time 1786422484.74 total 30.02 last 66.74) - open/close 2917 (time 1786422494.75 total 40.03 last 74.75) - open/close 3687 (time 1786422504.75 total 50.03 last 76.97) - open/close 4495 (time 1786422514.76 total 60.04 last 80.75) - open/close 5293 (time 1786422524.77 total 70.05 last 79.74) - open/close 6084 (time 1786422534.77 total 80.05 last 79.06) - open/close 6898 (time 1786422544.78 total 90.06 last 81.37) - open/close 7657 (time 1786422554.78 total 100.06 last 75.88) - open/close 8458 (time 1786422564.78 total 110.06 last 80.07) - open/close 9229 (time 1786422574.78 total 120.07 last 77.08) total: 10000 open/close in 129.81 seconds: 77.04 ops/second llite.lustre-ffff8b563c9ab800.statahead_batch_max=0 llite.lustre-ffff8b563c9ab800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.stats=clear mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.stats=clear ls -l files in d123ad.sanity: 10001 real 2m2.476s user 0m0.299s sys 0m16.296s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8b563c9ab800.statahead_batch_max=256 llite.lustre-ffff8b563c9ab800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.stats=clear mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m8.330s user 0m0.281s sys 0m16.315s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8b563c9ab800.batch_stats= snapshot_time: 1786422797.550645674 secs.nsecs start_time: 1786422715.787915928 secs.nsecs elapsed_time: 81.762729746 secs.nsecs subreqs per batch batches %% cum %% 1: 93 41 41 2: 20 8 50 4: 22 9 59 8: 20 8 68 16: 16 7 75 32: 10 4 80 64: 10 4 84 128: 0 0 84 256: 35 15 100 mdc.lustre-MDT0001-mdc-ffff8b563c9ab800.batch_stats= snapshot_time: 1786422797.550738312 secs.nsecs start_time: 1786422715.788211885 secs.nsecs elapsed_time: 81.762526427 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 unlink(/mnt/lustre/d123ad.sanity/f123ad.sanity0) error: No such file or directory total: 0 unlinks in 0 seconds: -nan unlinks/second unlink(/mnt/lustre/d123ad.sanity/f123ad.sanity0) error: No such file or directory total: 0 unlinks in 0 seconds: -nan unlinks/second seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff8b563c9ab800.statahead_batch_max=64 llite.lustre-ffff8b563c9ab800.statahead_max=128