== sanity test 123ad: Verify batching statahead works correctly ========================================================== 20:31:03 (1753749063) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.batch_stats=0 llite.lustre-ffff8f8ac9a69000.statahead_max=32 llite.lustre-ffff8f8ac9a69000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.batch_stats=0 total: 100 open/close in 0.72 seconds: 139.60 ops/second llite.lustre-ffff8f8ac9a69000.statahead_max=0 101 real 0m0.645s user 0m0.004s sys 0m0.242s ls -l 100 files without statahead: 1 sec llite.lustre-ffff8f8ac9a69000.statahead_max=32 32 101 real 0m0.385s user 0m0.004s sys 0m0.235s ls -l 100 files with statahead: 1 sec statahead total: 111 statahead wrong: 2 agl total: 105 list_total: 33 fname_total: 72 hit_total: 20266 miss_total: 1283 total: 900 open/close in 2.13 seconds: 422.35 ops/second llite.lustre-ffff8f8ac9a69000.statahead_max=0 1001 real 0m6.028s user 0m0.018s sys 0m2.130s ls -l 1000 files without statahead: 6 sec llite.lustre-ffff8f8ac9a69000.statahead_max=32 32 1001 real 0m3.307s user 0m0.012s sys 0m1.833s ls -l 1000 files with statahead: 3 sec statahead total: 112 statahead wrong: 2 agl total: 106 list_total: 34 fname_total: 72 hit_total: 21265 miss_total: 1284 - open/close 4800 (time 1753749092.95 total 10.00 last 479.95) total: 9000 open/close in 19.22 seconds: 468.16 ops/second llite.lustre-ffff8f8ac9a69000.statahead_max=0 10001 real 0m55.322s user 0m0.212s sys 0m19.768s ls -l 10000 files without statahead: 56 sec llite.lustre-ffff8f8ac9a69000.statahead_max=32 32 10001 real 0m35.617s user 0m0.163s sys 0m20.117s ls -l 10000 files with statahead: 36 sec statahead total: 113 statahead wrong: 2 agl total: 107 list_total: 35 fname_total: 72 hit_total: 31264 miss_total: 1285 ls -l done rm -r /mnt/lustre/d123ad.sanity: 60 seconds llite.lustre-ffff8f8ac9a69000.statahead_stats= statahead total: 113 statahead wrong: 2 agl total: 107 list_total: 35 fname_total: 72 hit_total: 31264 miss_total: 1285 mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.batch_stats= snapshot_time: 1753749263.209647838 secs.nsecs start_time: 1753749064.526758185 secs.nsecs elapsed_time: 198.682889653 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 4269 (time 1753749274.00 total 10.00 last 426.86) - open/close 8071 (time 1753749284.00 total 20.00 last 380.10) total: 10000 open/close in 24.78 seconds: 403.58 ops/second llite.lustre-ffff8f8ac9a69000.statahead_batch_max=0 llite.lustre-ffff8f8ac9a69000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m30.059s user 0m0.175s sys 0m27.360s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8f8ac9a69000.statahead_batch_max=32 llite.lustre-ffff8f8ac9a69000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m32.783s user 0m0.179s sys 0m17.868s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.batch_stats= snapshot_time: 1753749358.884256201 secs.nsecs start_time: 1753749321.461548065 secs.nsecs elapsed_time: 37.422708136 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-ffff8f8ac9a69000.batch_stats=0 llite.lustre-ffff8f8ac9a69000.statahead_max=2048 llite.lustre-ffff8f8ac9a69000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.batch_stats=0 total: 100 open/close in 0.68 seconds: 146.91 ops/second llite.lustre-ffff8f8ac9a69000.statahead_max=0 101 real 0m0.586s user 0m0.008s sys 0m0.213s ls -l 100 files without statahead: 0 sec llite.lustre-ffff8f8ac9a69000.statahead_max=2048 2048 101 real 0m0.325s user 0m0.003s sys 0m0.219s 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 1.89 seconds: 476.66 ops/second llite.lustre-ffff8f8ac9a69000.statahead_max=0 1001 real 0m5.910s user 0m0.017s sys 0m2.107s ls -l 1000 files without statahead: 6 sec llite.lustre-ffff8f8ac9a69000.statahead_max=2048 2048 1001 real 0m2.777s user 0m0.014s sys 0m1.349s 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 - open/close 4896 (time 1753749471.35 total 10.00 last 489.56) total: 9000 open/close in 18.73 seconds: 480.41 ops/second llite.lustre-ffff8f8ac9a69000.statahead_max=0 10001 real 0m59.409s user 0m0.220s sys 0m21.016s ls -l 10000 files without statahead: 60 sec llite.lustre-ffff8f8ac9a69000.statahead_max=2048 2048 10001 real 0m22.804s user 0m0.149s sys 0m16.733s ls -l 10000 files with statahead: 22 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: 63 seconds llite.lustre-ffff8f8ac9a69000.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-ffff8f8ac9a69000.batch_stats= snapshot_time: 1753749636.164952317 secs.nsecs start_time: 1753749359.720367239 secs.nsecs elapsed_time: 276.444585078 secs.nsecs subreqs per batch batches % cum % 1: 183 55 55 2: 34 10 65 4: 37 11 76 8: 6 1 78 16: 3 0 79 32: 26 7 87 64: 1 0 87 128: 1 0 88 256: 39 11 100 - open/close 4453 (time 1753749646.94 total 10.00 last 445.21) - open/close 9007 (time 1753749656.95 total 20.00 last 455.33) total: 10000 open/close in 22.39 seconds: 446.57 ops/second llite.lustre-ffff8f8ac9a69000.statahead_batch_max=0 llite.lustre-ffff8f8ac9a69000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m31.878s user 0m0.158s sys 0m26.340s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8f8ac9a69000.statahead_batch_max=256 llite.lustre-ffff8f8ac9a69000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m28.251s user 0m0.160s sys 0m19.289s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8f8ac9a69000.batch_stats= snapshot_time: 1753749726.943000080 secs.nsecs start_time: 1753749693.938505467 secs.nsecs elapsed_time: 33.004494613 secs.nsecs subreqs per batch batches % cum % 1: 165 57 57 2: 41 14 71 4: 16 5 77 8: 2 0 77 16: 3 1 78 32: 25 8 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-ffff8f8ac9a69000.statahead_batch_max=64 llite.lustre-ffff8f8ac9a69000.statahead_max=128