== sanity test 123ad: Verify batching statahead works correctly ========================================================== 14:39:34 (1782931174) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff9246c8896800.batch_stats=0 llite.lustre-ffff9246c8896800.statahead_max=32 llite.lustre-ffff9246c8896800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff9246c8896800.batch_stats=0 total: 100 open/close in 0.67 seconds: 149.43 ops/second llite.lustre-ffff9246c8896800.statahead_max=0 101 real 0m0.620s user 0m0.005s sys 0m0.240s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff9246c8896800.statahead_max=32 llite.lustre-ffff9246c8896800.statahead_max=32 101 real 0m0.394s user 0m0.002s sys 0m0.247s 'ls -l' 100 files with statahead: 0 sec statahead total: 57 statahead wrong: 1 agl total: 53 list_total: 27 fname_total: 30 hit_total: 14116 miss_total: 217 swrong=1 ewrong=1 total: 900 open/close in 2.09 seconds: 430.51 ops/second llite.lustre-ffff9246c8896800.statahead_max=0 1001 real 0m7.718s user 0m0.018s sys 0m2.854s 'ls -l' 1000 files without statahead: 8 sec llite.lustre-ffff9246c8896800.statahead_max=32 llite.lustre-ffff9246c8896800.statahead_max=32 1001 real 0m4.058s user 0m0.015s sys 0m2.339s 'ls -l' 1000 files with statahead: 4 sec statahead total: 58 statahead wrong: 1 agl total: 54 list_total: 28 fname_total: 30 hit_total: 15115 miss_total: 218 swrong=1 ewrong=1 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 6 seconds llite.lustre-ffff9246c8896800.statahead_stats= statahead total: 58 statahead wrong: 1 agl total: 54 list_total: 28 fname_total: 30 hit_total: 15115 miss_total: 218 mdc.lustre-MDT0000-mdc-ffff9246c8896800.batch_stats= snapshot_time: 1782931202.541981334 secs.nsecs start_time: 1782931176.013321029 secs.nsecs elapsed_time: 26.528660305 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 3 7 7 16: 2 5 12 32: 34 87 100 - open/close 4339 (time 1782931213.93 total 10.00 last 433.82) - open/close 8720 (time 1782931223.93 total 20.00 last 438.04) total: 10000 open/close in 22.81 seconds: 438.32 ops/second llite.lustre-ffff9246c8896800.statahead_batch_max=0 llite.lustre-ffff9246c8896800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9246c8896800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m36.760s user 0m0.161s sys 0m33.558s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff9246c8896800.statahead_batch_max=32 llite.lustre-ffff9246c8896800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9246c8896800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff9246c8896800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m39.963s user 0m0.164s sys 0m23.639s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff9246c8896800.batch_stats= snapshot_time: 1782931312.631380147 secs.nsecs start_time: 1782931266.434280381 secs.nsecs elapsed_time: 46.197099766 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-ffff9246c8896800.batch_stats=0 llite.lustre-ffff9246c8896800.statahead_max=2048 llite.lustre-ffff9246c8896800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff9246c8896800.batch_stats=0 total: 100 open/close in 0.76 seconds: 131.70 ops/second llite.lustre-ffff9246c8896800.statahead_max=0 101 real 0m0.634s user 0m0.001s sys 0m0.232s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff9246c8896800.statahead_max=2048 llite.lustre-ffff9246c8896800.statahead_max=2048 101 real 0m0.511s user 0m0.002s sys 0m0.443s '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 1.97 seconds: 457.32 ops/second llite.lustre-ffff9246c8896800.statahead_max=0 1001 real 0m5.827s user 0m0.017s sys 0m2.164s 'ls -l' 1000 files without statahead: 6 sec llite.lustre-ffff9246c8896800.statahead_max=2048 llite.lustre-ffff9246c8896800.statahead_max=2048 1001 real 0m3.522s user 0m0.012s sys 0m1.956s 'ls -l' 1000 files with statahead: 4 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-ffff9246c8896800.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-ffff9246c8896800.batch_stats= snapshot_time: 1782931426.086010703 secs.nsecs start_time: 1782931313.447623483 secs.nsecs elapsed_time: 112.638387220 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 4511 (time 1782931436.85 total 10.00 last 451.10) - open/close 8800 (time 1782931446.85 total 20.00 last 428.86) total: 10000 open/close in 22.72 seconds: 440.14 ops/second llite.lustre-ffff9246c8896800.statahead_batch_max=0 llite.lustre-ffff9246c8896800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9246c8896800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m36.553s user 0m0.166s sys 0m29.878s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff9246c8896800.statahead_batch_max=256 llite.lustre-ffff9246c8896800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9246c8896800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff9246c8896800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m28.638s user 0m0.159s sys 0m19.654s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff9246c8896800.batch_stats= snapshot_time: 1782931523.860033143 secs.nsecs start_time: 1782931489.021557591 secs.nsecs elapsed_time: 34.838475552 secs.nsecs subreqs per batch batches %% cum %% 1: 486 66 66 2: 121 16 82 4: 52 7 90 8: 12 1 91 16: 5 0 92 32: 21 2 95 64: 2 0 95 128: 0 0 95 256: 33 4 100 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-ffff9246c8896800.statahead_batch_max=64 llite.lustre-ffff9246c8896800.statahead_max=128