== sanity test 123ad: Verify batching statahead works correctly ========================================================== 17:41:37 (1786484497) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff892d8762a000.batch_stats=0 llite.lustre-ffff892d8762a000.statahead_max=32 llite.lustre-ffff892d8762a000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff892d8762a000.batch_stats=0 total: 100 open/close in 1.74 seconds: 57.40 ops/second llite.lustre-ffff892d8762a000.statahead_max=0 101 real 0m1.625s user 0m0.003s sys 0m0.306s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff892d8762a000.statahead_max=32 llite.lustre-ffff892d8762a000.statahead_max=32 101 real 0m0.940s user 0m0.004s sys 0m0.159s 'ls -l' 100 files with statahead: 1 sec statahead total: 96 statahead wrong: 2 agl total: 91 list_total: 31 fname_total: 64 hit_total: 13652 miss_total: 1663 swrong=2 ewrong=2 total: 900 open/close in 9.18 seconds: 97.99 ops/second llite.lustre-ffff892d8762a000.statahead_max=0 1001 real 0m14.856s user 0m0.030s sys 0m2.833s 'ls -l' 1000 files without statahead: 15 sec llite.lustre-ffff892d8762a000.statahead_max=32 llite.lustre-ffff892d8762a000.statahead_max=32 1001 real 0m6.498s user 0m0.021s sys 0m1.514s 'ls -l' 1000 files with statahead: 7 sec statahead total: 97 statahead wrong: 2 agl total: 92 list_total: 32 fname_total: 64 hit_total: 14650 miss_total: 1665 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 14 seconds llite.lustre-ffff892d8762a000.statahead_stats= statahead total: 97 statahead wrong: 2 agl total: 92 list_total: 32 fname_total: 64 hit_total: 14650 miss_total: 1665 mdc.lustre-MDT0000-mdc-ffff892d8762a000.batch_stats= snapshot_time: 1786484560.761652245 secs.nsecs start_time: 1786484500.400053643 secs.nsecs elapsed_time: 60.361598602 secs.nsecs subreqs per batch batches %% cum %% 1: 1 2 2 2: 0 0 2 4: 0 0 2 8: 3 7 10 16: 2 5 15 32: 34 85 100 - open/close 1255 (time 1786484572.24 total 10.01 last 125.35) - open/close 2579 (time 1786484582.25 total 20.02 last 132.29) - open/close 4376 (time 1786484592.25 total 30.03 last 179.59) - open/close 6240 (time 1786484602.26 total 40.03 last 186.34) - open/close 8050 (time 1786484612.26 total 50.03 last 180.97) total: 10000 open/close in 58.21 seconds: 171.79 ops/second llite.lustre-ffff892d8762a000.statahead_batch_max=0 llite.lustre-ffff892d8762a000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff892d8762a000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m33.043s user 0m0.212s sys 0m28.619s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff892d8762a000.statahead_batch_max=32 llite.lustre-ffff892d8762a000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff892d8762a000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff892d8762a000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m38.886s user 0m0.188s sys 0m20.213s batched statahead RPC= hit count=9994 mdc.lustre-MDT0000-mdc-ffff892d8762a000.batch_stats= snapshot_time: 1786484701.477964384 secs.nsecs start_time: 1786484657.112214472 secs.nsecs elapsed_time: 44.365749912 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-ffff892d8762a000.batch_stats=0 llite.lustre-ffff892d8762a000.statahead_max=2048 llite.lustre-ffff892d8762a000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff892d8762a000.batch_stats=0 total: 100 open/close in 0.85 seconds: 117.15 ops/second llite.lustre-ffff892d8762a000.statahead_max=0 101 real 0m0.843s user 0m0.004s sys 0m0.284s 'ls -l' 100 files without statahead: 0 sec llite.lustre-ffff892d8762a000.statahead_max=2048 llite.lustre-ffff892d8762a000.statahead_max=2048 101 real 0m0.605s user 0m0.002s sys 0m0.250s '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: 10093 miss_total: 7 swrong=0 ewrong=0 total: 900 open/close in 2.26 seconds: 399.01 ops/second llite.lustre-ffff892d8762a000.statahead_max=0 1001 real 0m6.599s user 0m0.029s sys 0m2.485s 'ls -l' 1000 files without statahead: 7 sec llite.lustre-ffff892d8762a000.statahead_max=2048 llite.lustre-ffff892d8762a000.statahead_max=2048 1001 real 0m3.286s user 0m0.021s sys 0m1.328s '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: 11092 miss_total: 8 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 6 seconds llite.lustre-ffff892d8762a000.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11092 miss_total: 8 mdc.lustre-MDT0000-mdc-ffff892d8762a000.batch_stats= snapshot_time: 1786484821.087151525 secs.nsecs start_time: 1786484702.284287137 secs.nsecs elapsed_time: 118.802864388 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 2 22 22 16: 2 22 44 32: 0 0 44 64: 0 0 44 128: 1 11 55 256: 4 44 100 - open/close 3981 (time 1786484831.82 total 10.00 last 398.08) - open/close 8233 (time 1786484841.82 total 20.00 last 425.13) total: 10000 open/close in 23.94 seconds: 417.69 ops/second llite.lustre-ffff892d8762a000.statahead_batch_max=0 llite.lustre-ffff892d8762a000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff892d8762a000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m31.370s user 0m0.201s sys 0m26.095s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff892d8762a000.statahead_batch_max=256 llite.lustre-ffff892d8762a000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff892d8762a000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff892d8762a000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m26.866s user 0m0.145s sys 0m19.098s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff892d8762a000.batch_stats= snapshot_time: 1786484913.355053478 secs.nsecs start_time: 1786484880.190418711 secs.nsecs elapsed_time: 33.164634767 secs.nsecs subreqs per batch batches %% cum %% 1: 284 59 59 2: 72 15 74 4: 46 9 84 8: 13 2 86 16: 6 1 88 32: 22 4 92 64: 0 0 92 128: 0 0 92 256: 35 7 100 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-ffff892d8762a000.statahead_batch_max=64 llite.lustre-ffff892d8762a000.statahead_max=128