== sanity test 123ad: Verify batching statahead works correctly ========================================================== 15:00:49 (1752692449) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff94c9087f5000.batch_stats=0 llite.lustre-ffff94c9087f5000.statahead_max=32 llite.lustre-ffff94c9087f5000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff94c9087f5000.batch_stats=0 total: 100 open/close in 0.84 seconds: 119.07 ops/second llite.lustre-ffff94c9087f5000.statahead_max=0 101 real 0m1.101s user 0m0.005s sys 0m0.381s ls -l 100 files without statahead: 1 sec llite.lustre-ffff94c9087f5000.statahead_max=32 32 101 real 0m0.511s user 0m0.002s sys 0m0.206s ls -l 100 files with statahead: 0 sec statahead total: 66 statahead wrong: 2 agl total: 62 list_total: 29 fname_total: 37 hit_total: 33885 miss_total: 1063 total: 900 open/close in 3.30 seconds: 273.01 ops/second llite.lustre-ffff94c9087f5000.statahead_max=0 1001 real 0m7.764s user 0m0.016s sys 0m2.533s ls -l 1000 files without statahead: 8 sec llite.lustre-ffff94c9087f5000.statahead_max=32 32 1001 real 0m4.740s user 0m0.018s sys 0m2.918s ls -l 1000 files with statahead: 5 sec statahead total: 67 statahead wrong: 2 agl total: 63 list_total: 30 fname_total: 37 hit_total: 34884 miss_total: 1064 - open/close 3281 (time 1752692486.94 total 10.00 last 328.05) - open/close 5752 (time 1752692496.96 total 20.02 last 246.75) - open/close 8705 (time 1752692506.96 total 30.02 last 295.28) total: 9000 open/close in 30.90 seconds: 291.30 ops/second llite.lustre-ffff94c9087f5000.statahead_max=0 10001 real 1m17.546s user 0m0.211s sys 0m25.074s ls -l 10000 files without statahead: 78 sec llite.lustre-ffff94c9087f5000.statahead_max=32 32 10001 real 0m34.659s user 0m0.150s sys 0m19.040s ls -l 10000 files with statahead: 35 sec statahead total: 68 statahead wrong: 2 agl total: 64 list_total: 31 fname_total: 37 hit_total: 44883 miss_total: 1065 ls -l done rm -r /mnt/lustre/d123ad.sanity: 75 seconds llite.lustre-ffff94c9087f5000.statahead_stats= statahead total: 68 statahead wrong: 2 agl total: 64 list_total: 31 fname_total: 37 hit_total: 44883 miss_total: 1065 mdc.lustre-MDT0000-mdc-ffff94c9087f5000.batch_stats= snapshot_time: 1752692705.698490081 secs.nsecs start_time: 1752692452.055658314 secs.nsecs elapsed_time: 253.642831767 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 2772 (time 1752692716.84 total 10.00 last 277.10) - open/close 5935 (time 1752692726.84 total 20.00 last 316.30) - open/close 9939 (time 1752692736.84 total 30.00 last 400.38) total: 10000 open/close in 30.20 seconds: 331.13 ops/second llite.lustre-ffff94c9087f5000.statahead_batch_max=0 llite.lustre-ffff94c9087f5000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff94c9087f5000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m45.649s user 0m0.138s sys 0m42.712s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff94c9087f5000.statahead_batch_max=32 llite.lustre-ffff94c9087f5000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff94c9087f5000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff94c9087f5000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m35.771s user 0m0.141s sys 0m18.935s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff94c9087f5000.batch_stats= snapshot_time: 1752692825.863561479 secs.nsecs start_time: 1752692785.403446311 secs.nsecs elapsed_time: 40.460115168 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-ffff94c9087f5000.batch_stats=0 llite.lustre-ffff94c9087f5000.statahead_max=2048 llite.lustre-ffff94c9087f5000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff94c9087f5000.batch_stats=0 total: 100 open/close in 0.66 seconds: 150.70 ops/second llite.lustre-ffff94c9087f5000.statahead_max=0 101 real 0m0.906s user 0m0.005s sys 0m0.305s ls -l 100 files without statahead: 1 sec llite.lustre-ffff94c9087f5000.statahead_max=2048 2048 101 real 0m0.367s user 0m0.003s sys 0m0.272s 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 total: 900 open/close in 2.99 seconds: 300.87 ops/second llite.lustre-ffff94c9087f5000.statahead_max=0 1001 real 0m8.473s user 0m0.022s sys 0m2.753s ls -l 1000 files without statahead: 8 sec llite.lustre-ffff94c9087f5000.statahead_max=2048 2048 1001 real 0m4.663s user 0m0.013s sys 0m1.488s 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 - open/close 4398 (time 1752692964.40 total 10.00 last 439.77) - open/close 8521 (time 1752692974.41 total 20.00 last 412.21) total: 9000 open/close in 21.09 seconds: 426.84 ops/second llite.lustre-ffff94c9087f5000.statahead_max=0 10001 real 1m2.430s user 0m0.186s sys 0m20.866s ls -l 10000 files without statahead: 62 sec llite.lustre-ffff94c9087f5000.statahead_max=2048 2048 10001 real 0m26.612s user 0m0.143s sys 0m19.353s ls -l 10000 files with statahead: 26 sec statahead total: 4 statahead wrong: 0 agl total: 4 list_total: 4 fname_total: 0 hit_total: 21096 miss_total: 4 ls -l done rm -r /mnt/lustre/d123ad.sanity: 74 seconds llite.lustre-ffff94c9087f5000.statahead_stats= statahead total: 4 statahead wrong: 0 agl total: 4 list_total: 4 fname_total: 0 hit_total: 21096 miss_total: 4 mdc.lustre-MDT0000-mdc-ffff94c9087f5000.batch_stats= snapshot_time: 1752693149.822246842 secs.nsecs start_time: 1752692826.587978892 secs.nsecs elapsed_time: 323.234267950 secs.nsecs subreqs per batch batches % cum % 1: 184 59 59 2: 32 10 69 4: 14 4 74 8: 8 2 77 16: 5 1 78 32: 24 7 86 64: 1 0 86 128: 2 0 87 256: 39 12 100 - open/close 3894 (time 1752693160.65 total 10.00 last 389.32) - open/close 6963 (time 1752693170.65 total 20.01 last 306.77) total: 10000 open/close in 29.16 seconds: 342.95 ops/second llite.lustre-ffff94c9087f5000.statahead_batch_max=0 llite.lustre-ffff94c9087f5000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff94c9087f5000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m43.412s user 0m0.164s sys 0m36.780s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff94c9087f5000.statahead_batch_max=256 llite.lustre-ffff94c9087f5000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff94c9087f5000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff94c9087f5000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m27.127s user 0m0.140s sys 0m19.595s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff94c9087f5000.batch_stats= snapshot_time: 1752693258.570368482 secs.nsecs start_time: 1752693226.129526013 secs.nsecs elapsed_time: 32.440842469 secs.nsecs subreqs per batch batches % cum % 1: 135 47 47 2: 66 23 71 4: 16 5 76 8: 2 0 77 16: 2 0 78 32: 26 9 87 64: 0 0 87 128: 1 0 87 256: 35 12 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff94c9087f5000.statahead_batch_max=64 llite.lustre-ffff94c9087f5000.statahead_max=128