== sanity test 123ad: Verify batching statahead works correctly ========================================================== 10:24:51 (1783520691) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffffa019d9b74800.batch_stats=0 llite.lustre-ffffa019d9b74800.statahead_max=32 llite.lustre-ffffa019d9b74800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffffa019d9b74800.batch_stats=0 total: 100 open/close in 0.70 seconds: 142.47 ops/second llite.lustre-ffffa019d9b74800.statahead_max=0 101 real 0m0.748s user 0m0.003s sys 0m0.270s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffffa019d9b74800.statahead_max=32 llite.lustre-ffffa019d9b74800.statahead_max=32 101 real 0m0.442s user 0m0.003s sys 0m0.234s 'ls -l' 100 files with statahead: 0 sec statahead total: 82 statahead wrong: 2 agl total: 77 list_total: 28 fname_total: 54 hit_total: 13610 miss_total: 407 swrong=2 ewrong=2 total: 900 open/close in 2.21 seconds: 407.31 ops/second llite.lustre-ffffa019d9b74800.statahead_max=0 1001 real 0m6.468s user 0m0.031s sys 0m2.388s 'ls -l' 1000 files without statahead: 7 sec llite.lustre-ffffa019d9b74800.statahead_max=32 llite.lustre-ffffa019d9b74800.statahead_max=32 1001 real 0m3.615s user 0m0.013s sys 0m2.045s 'ls -l' 1000 files with statahead: 4 sec statahead total: 83 statahead wrong: 2 agl total: 78 list_total: 29 fname_total: 54 hit_total: 14609 miss_total: 408 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 5 seconds llite.lustre-ffffa019d9b74800.statahead_stats= statahead total: 83 statahead wrong: 2 agl total: 78 list_total: 29 fname_total: 54 hit_total: 14609 miss_total: 408 mdc.lustre-MDT0000-mdc-ffffa019d9b74800.batch_stats= snapshot_time: 1783520718.469820567 secs.nsecs start_time: 1783520692.876174449 secs.nsecs elapsed_time: 25.593646118 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 1 2 2 8: 2 5 7 16: 2 5 12 32: 34 87 100 - open/close 4616 (time 1783520729.20 total 10.00 last 461.59) - open/close 9018 (time 1783520739.21 total 20.00 last 440.08) total: 10000 open/close in 21.95 seconds: 455.53 ops/second llite.lustre-ffffa019d9b74800.statahead_batch_max=0 llite.lustre-ffffa019d9b74800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffffa019d9b74800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m43.262s user 0m0.196s sys 0m39.801s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffffa019d9b74800.statahead_batch_max=32 llite.lustre-ffffa019d9b74800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffffa019d9b74800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffffa019d9b74800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m45.062s user 0m0.168s sys 0m26.977s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffffa019d9b74800.batch_stats= snapshot_time: 1783520839.247614037 secs.nsecs start_time: 1783520787.257127668 secs.nsecs elapsed_time: 51.990486369 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-ffffa019d9b74800.batch_stats=0 llite.lustre-ffffa019d9b74800.statahead_max=2048 llite.lustre-ffffa019d9b74800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffffa019d9b74800.batch_stats=0 total: 100 open/close in 1.04 seconds: 95.92 ops/second llite.lustre-ffffa019d9b74800.statahead_max=0 101 real 0m0.569s user 0m0.002s sys 0m0.225s 'ls -l' 100 files without statahead: 0 sec llite.lustre-ffffa019d9b74800.statahead_max=2048 llite.lustre-ffffa019d9b74800.statahead_max=2048 101 real 0m0.332s user 0m0.001s sys 0m0.217s '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 1.76 seconds: 512.72 ops/second llite.lustre-ffffa019d9b74800.statahead_max=0 1001 real 0m5.473s user 0m0.023s sys 0m2.119s 'ls -l' 1000 files without statahead: 6 sec llite.lustre-ffffa019d9b74800.statahead_max=2048 llite.lustre-ffffa019d9b74800.statahead_max=2048 1001 real 0m3.253s user 0m0.011s sys 0m1.790s '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: 6 seconds llite.lustre-ffffa019d9b74800.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-ffffa019d9b74800.batch_stats= snapshot_time: 1783520949.295716032 secs.nsecs start_time: 1783520840.003849832 secs.nsecs elapsed_time: 109.291866200 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 2 22 22 16: 2 22 44 32: 0 0 44 64: 0 0 44 128: 1 11 55 256: 4 44 100 - open/close 4427 (time 1783520960.03 total 10.00 last 442.68) - open/close 8861 (time 1783520970.03 total 20.00 last 443.31) total: 10000 open/close in 22.35 seconds: 447.52 ops/second llite.lustre-ffffa019d9b74800.statahead_batch_max=0 llite.lustre-ffffa019d9b74800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffffa019d9b74800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m37.994s user 0m0.181s sys 0m30.959s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffffa019d9b74800.statahead_batch_max=256 llite.lustre-ffffa019d9b74800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffffa019d9b74800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffffa019d9b74800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m25.983s user 0m0.156s sys 0m18.532s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffffa019d9b74800.batch_stats= snapshot_time: 1783521045.606180430 secs.nsecs start_time: 1783521013.297224057 secs.nsecs elapsed_time: 32.308956373 secs.nsecs subreqs per batch batches %% cum %% 1: 418 64 64 2: 93 14 79 4: 58 8 88 8: 14 2 90 16: 7 1 91 32: 20 3 94 64: 2 0 94 128: 1 0 94 256: 33 5 100 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-ffffa019d9b74800.statahead_batch_max=64 llite.lustre-ffffa019d9b74800.statahead_max=128