== sanity test 123ad: Verify batching statahead works correctly ========================================================== 17:57:42 (1788731862) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats=0 llite.lustre-ffff95bffd9b9000.statahead_max=32 llite.lustre-ffff95bffd9b9000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats=0 striped dir -i1 -c2 -H all_char /mnt/lustre/d123ad.sanity total: 100 open/close in 0.86 seconds: 116.62 ops/second llite.lustre-ffff95bffd9b9000.statahead_max=0 101 real 0m0.884s user 0m0.006s sys 0m0.296s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff95bffd9b9000.statahead_max=32 llite.lustre-ffff95bffd9b9000.statahead_max=32 101 real 0m0.395s user 0m0.002s sys 0m0.184s 'ls -l' 100 files with statahead: 1 sec statahead total: 115 statahead wrong: 2 agl total: 110 list_total: 31 fname_total: 84 hit_total: 4282 miss_total: 769 swrong=2 ewrong=2 total: 900 open/close in 2.66 seconds: 338.82 ops/second llite.lustre-ffff95bffd9b9000.statahead_max=0 1001 real 0m7.721s user 0m0.045s sys 0m2.596s 'ls -l' 1000 files without statahead: 7 sec llite.lustre-ffff95bffd9b9000.statahead_max=32 llite.lustre-ffff95bffd9b9000.statahead_max=32 1001 real 0m3.925s user 0m0.015s sys 0m1.785s 'ls -l' 1000 files with statahead: 4 sec statahead total: 116 statahead wrong: 2 agl total: 111 list_total: 32 fname_total: 84 hit_total: 5281 miss_total: 770 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 6 seconds llite.lustre-ffff95bffd9b9000.statahead_stats= statahead total: 116 statahead wrong: 2 agl total: 111 list_total: 32 fname_total: 84 hit_total: 5281 miss_total: 770 mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.batch_stats= snapshot_time: 1788731893.426236675 secs.nsecs start_time: 1788731864.116103011 secs.nsecs elapsed_time: 29.310133664 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 3 7 7 8: 3 7 15 16: 19 48 64 32: 14 35 100 mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats= snapshot_time: 1788731893.426294048 secs.nsecs start_time: 1788731864.116189693 secs.nsecs elapsed_time: 29.310104355 secs.nsecs subreqs per batch batches %% cum %% 1: 1 2 2 2: 0 0 2 4: 3 7 10 8: 2 5 15 16: 16 41 56 32: 17 43 100 - open/close 2872 (time 1788731904.45 total 10.00 last 287.18) - open/close 6185 (time 1788731914.46 total 20.00 last 331.20) - open/close 9281 (time 1788731924.46 total 30.00 last 309.56) total: 10000 open/close in 32.14 seconds: 311.16 ops/second llite.lustre-ffff95bffd9b9000.statahead_batch_max=0 llite.lustre-ffff95bffd9b9000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.stats=clear mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m36.039s user 0m0.314s sys 0m33.959s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff95bffd9b9000.statahead_batch_max=32 llite.lustre-ffff95bffd9b9000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.stats=clear mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m41.965s user 0m0.209s sys 0m23.332s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.batch_stats= snapshot_time: 1788732012.352970342 secs.nsecs start_time: 1788731965.486371575 secs.nsecs elapsed_time: 46.866598767 secs.nsecs subreqs per batch batches %% cum %% 1: 1 0 0 2: 0 0 0 4: 0 0 0 8: 1 0 0 16: 2 0 1 32: 312 98 100 mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats= snapshot_time: 1788732012.353035636 secs.nsecs start_time: 1788731965.486452947 secs.nsecs elapsed_time: 46.866582689 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats=0 llite.lustre-ffff95bffd9b9000.statahead_max=2048 llite.lustre-ffff95bffd9b9000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats=0 striped dir -i1 -c2 -H crush /mnt/lustre/d123ad.sanity total: 100 open/close in 0.84 seconds: 119.43 ops/second llite.lustre-ffff95bffd9b9000.statahead_max=0 101 real 0m0.747s user 0m0.007s sys 0m0.268s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff95bffd9b9000.statahead_max=2048 llite.lustre-ffff95bffd9b9000.statahead_max=2048 101 real 0m0.402s user 0m0.003s sys 0m0.194s '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: 2 swrong=0 ewrong=0 total: 900 open/close in 2.46 seconds: 365.65 ops/second llite.lustre-ffff95bffd9b9000.statahead_max=0 1001 real 0m6.898s user 0m0.033s sys 0m2.422s 'ls -l' 1000 files without statahead: 7 sec llite.lustre-ffff95bffd9b9000.statahead_max=2048 llite.lustre-ffff95bffd9b9000.statahead_max=2048 1001 real 0m2.856s user 0m0.015s sys 0m1.475s '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: 11097 miss_total: 3 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 5 seconds llite.lustre-ffff95bffd9b9000.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-ffff95bffd9b9000.batch_stats= snapshot_time: 1788732134.787040971 secs.nsecs start_time: 1788732013.303035888 secs.nsecs elapsed_time: 121.484005083 secs.nsecs subreqs per batch batches %% cum %% 1: 2 28 28 2: 1 14 42 4: 1 14 57 8: 1 14 71 16: 0 0 71 32: 0 0 71 64: 0 0 71 128: 0 0 71 256: 2 28 100 mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats= snapshot_time: 1788732134.787121669 secs.nsecs start_time: 1788732013.303205437 secs.nsecs elapsed_time: 121.483916232 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 1 12 12 8: 3 37 50 16: 0 0 50 32: 0 0 50 64: 1 12 62 128: 1 12 75 256: 2 25 100 - open/close 4130 (time 1788732146.46 total 10.00 last 412.99) - open/close 7704 (time 1788732156.46 total 20.00 last 357.34) total: 10000 open/close in 25.63 seconds: 390.11 ops/second llite.lustre-ffff95bffd9b9000.statahead_batch_max=0 llite.lustre-ffff95bffd9b9000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.stats=clear mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m32.947s user 0m0.174s sys 0m27.144s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff95bffd9b9000.statahead_batch_max=256 llite.lustre-ffff95bffd9b9000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.stats=clear mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m23.917s user 0m0.158s sys 0m18.117s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff95bffd9b9000.batch_stats= snapshot_time: 1788732225.933708620 secs.nsecs start_time: 1788732197.593615712 secs.nsecs elapsed_time: 28.340092908 secs.nsecs subreqs per batch batches %% cum %% 1: 261 63 63 2: 45 10 74 4: 34 8 82 8: 12 2 85 16: 1 0 85 32: 21 5 90 64: 5 1 91 128: 0 0 91 256: 34 8 100 mdc.lustre-MDT0001-mdc-ffff95bffd9b9000.batch_stats= snapshot_time: 1788732225.933767106 secs.nsecs start_time: 1788732197.593681320 secs.nsecs elapsed_time: 28.340085786 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-ffff95bffd9b9000.statahead_batch_max=64 llite.lustre-ffff95bffd9b9000.statahead_max=128