== sanity test 123ad: Verify batching statahead works correctly ========================================================== 23:02:27 (1772683347) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff97e7812ac800.batch_stats=0 llite.lustre-ffff97e7812ac800.statahead_max=32 llite.lustre-ffff97e7812ac800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff97e7812ac800.batch_stats=0 total: 100 open/close in 0.76 seconds: 131.23 ops/second llite.lustre-ffff97e7812ac800.statahead_max=0 101 real 0m0.783s user 0m0.004s sys 0m0.295s ls -l 100 files without statahead: 1 sec llite.lustre-ffff97e7812ac800.statahead_max=32 32 101 real 0m0.444s user 0m0.007s sys 0m0.275s ls -l 100 files with statahead: 1 sec statahead total: 59 statahead wrong: 2 agl total: 55 list_total: 28 fname_total: 31 hit_total: 33737 miss_total: 1472 total: 900 open/close in 2.83 seconds: 318.56 ops/second llite.lustre-ffff97e7812ac800.statahead_max=0 1001 real 0m7.940s user 0m0.028s sys 0m2.947s ls -l 1000 files without statahead: 8 sec llite.lustre-ffff97e7812ac800.statahead_max=32 32 1001 real 0m4.299s user 0m0.018s sys 0m2.499s ls -l 1000 files with statahead: 5 sec statahead total: 60 statahead wrong: 2 agl total: 56 list_total: 29 fname_total: 31 hit_total: 34736 miss_total: 1473 - open/close 4080 (time 1772683382.69 total 10.00 last 407.88) - open/close 8023 (time 1772683392.69 total 20.01 last 394.12) total: 9000 open/close in 23.21 seconds: 387.83 ops/second llite.lustre-ffff97e7812ac800.statahead_max=0 10001 real 1m15.601s user 0m0.305s sys 0m27.806s ls -l 10000 files without statahead: 75 sec llite.lustre-ffff97e7812ac800.statahead_max=32 32 10001 real 0m44.399s user 0m0.201s sys 0m24.751s ls -l 10000 files with statahead: 44 sec statahead total: 61 statahead wrong: 2 agl total: 57 list_total: 30 fname_total: 31 hit_total: 44735 miss_total: 1474 ls -l done rm -r /mnt/lustre/d123ad.sanity: 68 seconds llite.lustre-ffff97e7812ac800.statahead_stats= statahead total: 61 statahead wrong: 2 agl total: 57 list_total: 30 fname_total: 31 hit_total: 44735 miss_total: 1474 mdc.lustre-MDT0000-mdc-ffff97e7812ac800.batch_stats= snapshot_time: 1772683599.264072311 secs.nsecs start_time: 1772683349.388174072 secs.nsecs elapsed_time: 249.875898239 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 1 0 0 8: 3 0 1 16: 4 1 2 32: 346 97 100 - open/close 4157 (time 1772683610.81 total 10.00 last 415.67) - open/close 8515 (time 1772683620.81 total 20.00 last 435.77) total: 10000 open/close in 23.38 seconds: 427.75 ops/second llite.lustre-ffff97e7812ac800.statahead_batch_max=0 llite.lustre-ffff97e7812ac800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff97e7812ac800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m33.276s user 0m0.163s sys 0m31.722s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff97e7812ac800.statahead_batch_max=32 llite.lustre-ffff97e7812ac800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff97e7812ac800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff97e7812ac800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m37.595s user 0m0.170s sys 0m21.368s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff97e7812ac800.batch_stats= snapshot_time: 1772683703.936955496 secs.nsecs start_time: 1772683660.637478213 secs.nsecs elapsed_time: 43.299477283 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-ffff97e7812ac800.batch_stats=0 llite.lustre-ffff97e7812ac800.statahead_max=2048 llite.lustre-ffff97e7812ac800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff97e7812ac800.batch_stats=0 total: 100 open/close in 0.74 seconds: 135.99 ops/second llite.lustre-ffff97e7812ac800.statahead_max=0 101 real 0m0.677s user 0m0.006s sys 0m0.268s ls -l 100 files without statahead: 1 sec llite.lustre-ffff97e7812ac800.statahead_max=2048 2048 101 real 0m0.424s user 0m0.003s sys 0m0.307s 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 2.05 seconds: 439.88 ops/second llite.lustre-ffff97e7812ac800.statahead_max=0 1001 real 0m6.337s user 0m0.018s sys 0m2.423s ls -l 1000 files without statahead: 6 sec llite.lustre-ffff97e7812ac800.statahead_max=2048 2048 1001 real 0m3.835s user 0m0.015s sys 0m2.056s 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 4538 (time 1772683824.88 total 10.00 last 453.74) total: 9000 open/close in 19.97 seconds: 450.64 ops/second llite.lustre-ffff97e7812ac800.statahead_max=0 10001 real 1m2.399s user 0m0.202s sys 0m23.813s ls -l 10000 files without statahead: 63 sec llite.lustre-ffff97e7812ac800.statahead_max=2048 2048 10001 real 0m30.934s user 0m0.153s sys 0m21.838s ls -l 10000 files with statahead: 31 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: 62 seconds llite.lustre-ffff97e7812ac800.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-ffff97e7812ac800.batch_stats= snapshot_time: 1772684002.764131477 secs.nsecs start_time: 1772683704.739991198 secs.nsecs elapsed_time: 298.024140279 secs.nsecs subreqs per batch batches % cum % 1: 455 69 69 2: 89 13 82 4: 31 4 87 8: 14 2 89 16: 8 1 90 32: 22 3 94 64: 0 0 94 128: 1 0 94 256: 38 5 100 - open/close 5213 (time 1772684013.48 total 10.00 last 521.26) total: 10000 open/close in 19.41 seconds: 515.21 ops/second llite.lustre-ffff97e7812ac800.statahead_batch_max=0 llite.lustre-ffff97e7812ac800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff97e7812ac800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m36.353s user 0m0.162s sys 0m30.386s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff97e7812ac800.statahead_batch_max=256 llite.lustre-ffff97e7812ac800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff97e7812ac800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff97e7812ac800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m29.935s user 0m0.158s sys 0m20.948s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff97e7812ac800.batch_stats= snapshot_time: 1772684098.801452768 secs.nsecs start_time: 1772684062.222470715 secs.nsecs elapsed_time: 36.578982053 secs.nsecs subreqs per batch batches % cum % 1: 215 57 57 2: 54 14 72 4: 32 8 80 8: 8 2 83 16: 8 2 85 32: 18 4 90 64: 2 0 90 128: 0 0 90 256: 35 9 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff97e7812ac800.statahead_batch_max=64 llite.lustre-ffff97e7812ac800.statahead_max=128