== sanity test 123ad: Verify batching statahead works correctly ========================================================== 18:01:18 (1788732078) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff99dd51104000.batch_stats=0 llite.lustre-ffff99dd51104000.statahead_max=32 llite.lustre-ffff99dd51104000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff99dd51104000.batch_stats=0 total: 100 open/close in 0.85 seconds: 117.75 ops/second llite.lustre-ffff99dd51104000.statahead_max=0 101 real 0m0.746s user 0m0.004s sys 0m0.251s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff99dd51104000.statahead_max=32 llite.lustre-ffff99dd51104000.statahead_max=32 101 real 0m0.485s user 0m0.007s sys 0m0.288s 'ls -l' 100 files with statahead: 1 sec statahead total: 107 statahead wrong: 2 agl total: 103 list_total: 29 fname_total: 78 hit_total: 3885 miss_total: 1544 swrong=2 ewrong=2 total: 900 open/close in 2.50 seconds: 359.64 ops/second llite.lustre-ffff99dd51104000.statahead_max=0 1001 real 0m6.680s user 0m0.038s sys 0m2.298s 'ls -l' 1000 files without statahead: 7 sec llite.lustre-ffff99dd51104000.statahead_max=32 llite.lustre-ffff99dd51104000.statahead_max=32 1001 real 0m3.800s user 0m0.027s sys 0m2.117s 'ls -l' 1000 files with statahead: 4 sec statahead total: 108 statahead wrong: 2 agl total: 104 list_total: 30 fname_total: 78 hit_total: 4884 miss_total: 1545 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 6 seconds llite.lustre-ffff99dd51104000.statahead_stats= statahead total: 108 statahead wrong: 2 agl total: 104 list_total: 30 fname_total: 78 hit_total: 4884 miss_total: 1545 mdc.lustre-MDT0000-mdc-ffff99dd51104000.batch_stats= snapshot_time: 1788732107.453410222 secs.nsecs start_time: 1788732080.305406415 secs.nsecs elapsed_time: 27.148003807 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 2986 (time 1788732118.24 total 10.00 last 298.51) - open/close 6793 (time 1788732128.25 total 20.01 last 380.63) total: 10000 open/close in 27.94 seconds: 357.89 ops/second llite.lustre-ffff99dd51104000.statahead_batch_max=0 llite.lustre-ffff99dd51104000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff99dd51104000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m32.519s user 0m0.208s sys 0m29.646s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff99dd51104000.statahead_batch_max=32 llite.lustre-ffff99dd51104000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff99dd51104000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff99dd51104000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m35.779s user 0m0.167s sys 0m19.437s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff99dd51104000.batch_stats= snapshot_time: 1788732211.894510649 secs.nsecs start_time: 1788732171.289425104 secs.nsecs elapsed_time: 40.605085545 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-ffff99dd51104000.batch_stats=0 llite.lustre-ffff99dd51104000.statahead_max=2048 llite.lustre-ffff99dd51104000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff99dd51104000.batch_stats=0 total: 100 open/close in 0.77 seconds: 129.64 ops/second llite.lustre-ffff99dd51104000.statahead_max=0 101 real 0m0.762s user 0m0.004s sys 0m0.260s 'ls -l' 100 files without statahead: 0 sec llite.lustre-ffff99dd51104000.statahead_max=2048 llite.lustre-ffff99dd51104000.statahead_max=2048 101 real 0m0.395s user 0m0.003s sys 0m0.269s '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: 10098 miss_total: 2 swrong=0 ewrong=0 total: 900 open/close in 2.54 seconds: 354.07 ops/second llite.lustre-ffff99dd51104000.statahead_max=0 1001 real 0m6.946s user 0m0.034s sys 0m2.389s 'ls -l' 1000 files without statahead: 7 sec llite.lustre-ffff99dd51104000.statahead_max=2048 llite.lustre-ffff99dd51104000.statahead_max=2048 1001 real 0m4.287s user 0m0.013s sys 0m1.905s 'ls -l' 1000 files with statahead: 5 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 3 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 6 seconds llite.lustre-ffff99dd51104000.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 3 mdc.lustre-MDT0000-mdc-ffff99dd51104000.batch_stats= snapshot_time: 1788732337.447605867 secs.nsecs start_time: 1788732212.765844509 secs.nsecs elapsed_time: 124.681761358 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 2760 (time 1788732348.32 total 10.00 last 275.98) - open/close 5389 (time 1788732358.33 total 20.00 last 262.84) - open/close 7990 (time 1788732368.33 total 30.00 last 260.07) total: 10000 open/close in 36.85 seconds: 271.35 ops/second llite.lustre-ffff99dd51104000.statahead_batch_max=0 llite.lustre-ffff99dd51104000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff99dd51104000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m36.046s user 0m0.242s sys 0m29.014s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff99dd51104000.statahead_batch_max=256 llite.lustre-ffff99dd51104000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff99dd51104000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff99dd51104000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m26.104s user 0m0.216s sys 0m19.897s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff99dd51104000.batch_stats= snapshot_time: 1788732444.816983080 secs.nsecs start_time: 1788732414.054800135 secs.nsecs elapsed_time: 30.762182945 secs.nsecs subreqs per batch batches %% cum %% 1: 208 56 56 2: 56 15 72 4: 29 7 80 8: 9 2 82 16: 1 0 83 32: 24 6 89 64: 3 0 90 128: 0 0 90 256: 35 9 100 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-ffff99dd51104000.statahead_batch_max=64 llite.lustre-ffff99dd51104000.statahead_max=128