== sanity test 123ad: Verify batching statahead works correctly ========================================================== 04:09:25 (1749542965) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff880077689800.batch_stats=0 llite.lustre-ffff880077689800.statahead_max=32 llite.lustre-ffff880077689800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff880077689800.batch_stats=0 total: 100 open/close in 0.51 seconds: 195.29 ops/second llite.lustre-ffff880077689800.statahead_max=0 101 real 0m0.563s user 0m0.005s sys 0m0.222s ls -l 100 files without statahead: 0 sec llite.lustre-ffff880077689800.statahead_max=32 32 101 real 0m0.333s user 0m0.004s sys 0m0.120s ls -l 100 files with statahead: 0 sec statahead total: 50 statahead wrong: 1 agl total: 50 list_total: 19 fname_total: 31 hit_total: 11338 miss_total: 218 total: 900 open/close in 1.70 seconds: 530.57 ops/second llite.lustre-ffff880077689800.statahead_max=0 1001 real 0m5.954s user 0m0.024s sys 0m2.153s ls -l 1000 files without statahead: 6 sec llite.lustre-ffff880077689800.statahead_max=32 32 1001 real 0m1.747s user 0m0.016s sys 0m0.796s ls -l 1000 files with statahead: 1 sec statahead total: 51 statahead wrong: 1 agl total: 51 list_total: 20 fname_total: 31 hit_total: 12337 miss_total: 219 - open/close 5406 (time 1749542990.90 total 10.00 last 540.52) total: 9000 open/close in 16.62 seconds: 541.42 ops/second llite.lustre-ffff880077689800.statahead_max=0 10001 real 0m47.350s user 0m0.228s sys 0m16.633s ls -l 10000 files without statahead: 47 sec llite.lustre-ffff880077689800.statahead_max=32 32 10001 real 0m19.535s user 0m0.184s sys 0m8.825s ls -l 10000 files with statahead: 19 sec statahead total: 52 statahead wrong: 1 agl total: 52 list_total: 21 fname_total: 31 hit_total: 22336 miss_total: 220 ls -l done rm -r /mnt/lustre/d123ad.sanity: 35 seconds llite.lustre-ffff880077689800.statahead_stats= statahead total: 52 statahead wrong: 1 agl total: 52 list_total: 21 fname_total: 31 hit_total: 22336 miss_total: 220 mdc.lustre-MDT0000-mdc-ffff880077689800.batch_stats= snapshot_time: 1749543105.329164374 secs.nsecs start_time: 1749542966.720218855 secs.nsecs elapsed_time: 138.608945519 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 5020 (time 1749543116.03 total 10.00 last 501.98) total: 10000 open/close in 19.33 seconds: 517.26 ops/second llite.lustre-ffff880077689800.statahead_batch_max=0 llite.lustre-ffff880077689800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff880077689800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m8.974s user 0m0.178s sys 0m8.185s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff880077689800.statahead_batch_max=32 llite.lustre-ffff880077689800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff880077689800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff880077689800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m19.338s user 0m0.202s sys 0m8.452s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff880077689800.batch_stats= snapshot_time: 1749543157.586347195 secs.nsecs start_time: 1749543136.043843611 secs.nsecs elapsed_time: 21.542503584 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-ffff880077689800.batch_stats=0 llite.lustre-ffff880077689800.statahead_max=2048 llite.lustre-ffff880077689800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff880077689800.batch_stats=0 total: 100 open/close in 0.48 seconds: 207.80 ops/second llite.lustre-ffff880077689800.statahead_max=0 101 real 0m0.483s user 0m0.003s sys 0m0.169s ls -l 100 files without statahead: 0 sec llite.lustre-ffff880077689800.statahead_max=2048 2048 101 real 0m0.281s user 0m0.004s sys 0m0.114s 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 total: 900 open/close in 1.52 seconds: 593.58 ops/second llite.lustre-ffff880077689800.statahead_max=0 1001 real 0m4.564s user 0m0.018s sys 0m1.637s ls -l 1000 files without statahead: 4 sec llite.lustre-ffff880077689800.statahead_max=2048 2048 1001 real 0m1.075s user 0m0.021s sys 0m0.743s ls -l 1000 files with statahead: 1 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 3 - open/close 5757 (time 1749543234.40 total 10.00 last 575.69) total: 9000 open/close in 15.80 seconds: 569.65 ops/second llite.lustre-ffff880077689800.statahead_max=0 10001 real 0m47.478s user 0m0.231s sys 0m16.383s ls -l 10000 files without statahead: 48 sec llite.lustre-ffff880077689800.statahead_max=2048 2048 10001 real 0m8.669s user 0m0.164s sys 0m7.458s ls -l 10000 files with statahead: 9 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: 34 seconds llite.lustre-ffff880077689800.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-ffff880077689800.batch_stats= snapshot_time: 1749543335.731475128 secs.nsecs start_time: 1749543157.964831449 secs.nsecs elapsed_time: 177.766643679 secs.nsecs subreqs per batch batches % cum % 1: 211 58 58 2: 30 8 66 4: 13 3 69 8: 22 6 76 16: 34 9 85 32: 13 3 88 64: 1 0 89 128: 0 0 89 256: 39 10 100 - open/close 5569 (time 1749543346.26 total 10.00 last 556.83) total: 10000 open/close in 18.31 seconds: 546.27 ops/second llite.lustre-ffff880077689800.statahead_batch_max=0 llite.lustre-ffff880077689800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff880077689800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m8.961s user 0m0.169s sys 0m7.901s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff880077689800.statahead_batch_max=256 llite.lustre-ffff880077689800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff880077689800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff880077689800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m9.335s user 0m0.164s sys 0m7.838s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff880077689800.batch_stats= snapshot_time: 1749543376.835839403 secs.nsecs start_time: 1749543365.431734633 secs.nsecs elapsed_time: 11.404104770 secs.nsecs subreqs per batch batches % cum % 1: 322 68 68 2: 30 6 74 4: 25 5 80 8: 24 5 85 16: 15 3 88 32: 19 4 92 64: 0 0 92 128: 1 0 92 256: 34 7 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff880077689800.statahead_batch_max=64 llite.lustre-ffff880077689800.statahead_max=128