== sanity test 123ad: Verify batching statahead works correctly ========================================================== 03:24:59 (1769761499) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats=0 llite.lustre-ffff982646364000.statahead_max=32 llite.lustre-ffff982646364000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats=0 total: 100 open/close in 0.72 seconds: 139.43 ops/second llite.lustre-ffff982646364000.statahead_max=0 101 real 0m0.627s user 0m0.004s sys 0m0.227s ls -l 100 files without statahead: 0 sec llite.lustre-ffff982646364000.statahead_max=32 32 101 real 0m0.354s user 0m0.005s sys 0m0.183s ls -l 100 files with statahead: 0 sec statahead total: 109 statahead wrong: 2 agl total: 101 list_total: 35 fname_total: 58 hit_total: 15108 miss_total: 761 total: 900 open/close in 2.00 seconds: 449.65 ops/second llite.lustre-ffff982646364000.statahead_max=0 1001 real 0m6.366s user 0m0.024s sys 0m2.226s ls -l 1000 files without statahead: 6 sec llite.lustre-ffff982646364000.statahead_max=32 32 1001 real 0m3.539s user 0m0.015s sys 0m1.925s ls -l 1000 files with statahead: 3 sec statahead total: 110 statahead wrong: 2 agl total: 102 list_total: 36 fname_total: 58 hit_total: 16107 miss_total: 762 - open/close 3623 (time 1769761529.90 total 10.01 last 361.94) - open/close 6549 (time 1769761539.90 total 20.01 last 292.58) total: 9000 open/close in 25.91 seconds: 347.42 ops/second llite.lustre-ffff982646364000.statahead_max=0 10001 real 1m1.311s user 0m0.244s sys 0m21.076s ls -l 10000 files without statahead: 62 sec llite.lustre-ffff982646364000.statahead_max=32 32 10001 real 0m35.553s user 0m0.168s sys 0m19.434s ls -l 10000 files with statahead: 36 sec statahead total: 111 statahead wrong: 2 agl total: 103 list_total: 37 fname_total: 58 hit_total: 26105 miss_total: 764 ls -l done rm -r /mnt/lustre/d123ad.sanity: 56 seconds llite.lustre-ffff982646364000.statahead_stats= statahead total: 111 statahead wrong: 2 agl total: 103 list_total: 37 fname_total: 58 hit_total: 26105 miss_total: 764 mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats= snapshot_time: 1769761708.982867263 secs.nsecs start_time: 1769761501.179653336 secs.nsecs elapsed_time: 207.803213927 secs.nsecs subreqs per batch batches % cum % 1: 1 0 0 2: 0 0 0 4: 1 0 0 8: 3 0 1 16: 4 1 2 32: 346 97 100 - open/close 5205 (time 1769761719.90 total 10.00 last 520.49) total: 10000 open/close in 19.55 seconds: 511.47 ops/second llite.lustre-ffff982646364000.statahead_batch_max=0 llite.lustre-ffff982646364000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff982646364000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m28.465s user 0m0.141s sys 0m27.318s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff982646364000.statahead_batch_max=32 llite.lustre-ffff982646364000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff982646364000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m34.169s user 0m0.146s sys 0m19.019s batched statahead RPC= hit count=9998 mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats= snapshot_time: 1769761799.388026545 secs.nsecs start_time: 1769761760.531318734 secs.nsecs elapsed_time: 38.856707811 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 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats=0 llite.lustre-ffff982646364000.statahead_max=2048 llite.lustre-ffff982646364000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats=0 total: 100 open/close in 0.66 seconds: 150.77 ops/second llite.lustre-ffff982646364000.statahead_max=0 101 real 0m0.573s user 0m0.002s sys 0m0.212s ls -l 100 files without statahead: 1 sec llite.lustre-ffff982646364000.statahead_max=2048 2048 101 real 0m0.305s user 0m0.001s sys 0m0.187s 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: 10097 miss_total: 3 total: 900 open/close in 1.74 seconds: 516.33 ops/second llite.lustre-ffff982646364000.statahead_max=0 1001 real 0m5.703s user 0m0.018s sys 0m2.083s ls -l 1000 files without statahead: 5 sec llite.lustre-ffff982646364000.statahead_max=2048 2048 1001 real 0m2.900s user 0m0.014s sys 0m1.132s ls -l 1000 files with statahead: 3 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11096 miss_total: 4 - open/close 5330 (time 1769761906.93 total 10.00 last 532.93) total: 9000 open/close in 16.77 seconds: 536.55 ops/second llite.lustre-ffff982646364000.statahead_max=0 10001 real 0m54.982s user 0m0.226s sys 0m19.724s ls -l 10000 files without statahead: 55 sec llite.lustre-ffff982646364000.statahead_max=2048 2048 10001 real 0m25.351s user 0m0.143s sys 0m19.371s ls -l 10000 files with statahead: 25 sec statahead total: 4 statahead wrong: 0 agl total: 4 list_total: 4 fname_total: 0 hit_total: 21095 miss_total: 5 ls -l done rm -r /mnt/lustre/d123ad.sanity: 60 seconds llite.lustre-ffff982646364000.statahead_stats= statahead total: 4 statahead wrong: 0 agl total: 4 list_total: 4 fname_total: 0 hit_total: 21095 miss_total: 5 mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats= snapshot_time: 1769762064.198196613 secs.nsecs start_time: 1769761800.190878912 secs.nsecs elapsed_time: 264.007317701 secs.nsecs subreqs per batch batches % cum % 1: 137 51 51 2: 25 9 60 4: 23 8 69 8: 11 4 73 16: 4 1 74 32: 26 9 84 64: 1 0 84 128: 2 0 85 256: 39 14 100 - open/close 5373 (time 1769762074.93 total 10.00 last 537.24) total: 10000 open/close in 18.93 seconds: 528.31 ops/second llite.lustre-ffff982646364000.statahead_batch_max=0 llite.lustre-ffff982646364000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff982646364000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m34.007s user 0m0.150s sys 0m29.146s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff982646364000.statahead_batch_max=256 llite.lustre-ffff982646364000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff982646364000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m24.180s user 0m0.151s sys 0m17.682s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff982646364000.batch_stats= snapshot_time: 1769762149.087598003 secs.nsecs start_time: 1769762120.362110763 secs.nsecs elapsed_time: 28.725487240 secs.nsecs subreqs per batch batches % cum % 1: 118 51 51 2: 22 9 60 4: 20 8 69 8: 7 3 72 16: 4 1 74 32: 22 9 83 64: 2 0 84 128: 1 0 84 256: 35 15 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff982646364000.statahead_batch_max=64 llite.lustre-ffff982646364000.statahead_max=128