== sanity test 123ad: Verify batching statahead works correctly ========================================================== 06:04:43 (1786356283) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.batch_stats=0 llite.lustre-ffff8b6ec59e0000.statahead_max=32 llite.lustre-ffff8b6ec59e0000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.batch_stats=0 total: 100 open/close in 0.63 seconds: 158.22 ops/second llite.lustre-ffff8b6ec59e0000.statahead_max=0 101 real 0m0.608s user 0m0.003s sys 0m0.238s 'ls -l' 100 files without statahead: 0 sec llite.lustre-ffff8b6ec59e0000.statahead_max=32 llite.lustre-ffff8b6ec59e0000.statahead_max=32 101 real 0m0.381s user 0m0.002s sys 0m0.232s 'ls -l' 100 files with statahead: 0 sec statahead total: 72 statahead wrong: 1 agl total: 67 list_total: 29 fname_total: 43 hit_total: 13582 miss_total: 235 swrong=1 ewrong=1 total: 900 open/close in 2.01 seconds: 448.88 ops/second llite.lustre-ffff8b6ec59e0000.statahead_max=0 1001 real 0m6.139s user 0m0.021s sys 0m2.361s 'ls -l' 1000 files without statahead: 6 sec llite.lustre-ffff8b6ec59e0000.statahead_max=32 llite.lustre-ffff8b6ec59e0000.statahead_max=32 1001 real 0m4.223s user 0m0.016s sys 0m2.516s 'ls -l' 1000 files with statahead: 4 sec statahead total: 73 statahead wrong: 1 agl total: 68 list_total: 30 fname_total: 43 hit_total: 14581 miss_total: 236 swrong=1 ewrong=1 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 6 seconds llite.lustre-ffff8b6ec59e0000.statahead_stats= statahead total: 73 statahead wrong: 1 agl total: 68 list_total: 30 fname_total: 43 hit_total: 14581 miss_total: 236 mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.batch_stats= snapshot_time: 1786356309.834041904 secs.nsecs start_time: 1786356284.624246284 secs.nsecs elapsed_time: 25.209795620 secs.nsecs subreqs per batch batches %% cum %% 1: 1 2 2 2: 0 0 2 4: 1 2 5 8: 2 5 10 16: 2 5 15 32: 34 85 100 - open/close 4389 (time 1786356321.16 total 10.00 last 438.83) - open/close 8800 (time 1786356331.16 total 20.00 last 441.06) total: 10000 open/close in 22.85 seconds: 437.66 ops/second llite.lustre-ffff8b6ec59e0000.statahead_batch_max=0 llite.lustre-ffff8b6ec59e0000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m46.460s user 0m0.207s sys 0m42.527s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8b6ec59e0000.statahead_batch_max=32 llite.lustre-ffff8b6ec59e0000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m41.753s user 0m0.161s sys 0m23.794s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.batch_stats= snapshot_time: 1786356432.446194092 secs.nsecs start_time: 1786356383.734817451 secs.nsecs elapsed_time: 48.711376641 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-ffff8b6ec59e0000.batch_stats=0 llite.lustre-ffff8b6ec59e0000.statahead_max=2048 llite.lustre-ffff8b6ec59e0000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.batch_stats=0 total: 100 open/close in 1.20 seconds: 83.23 ops/second llite.lustre-ffff8b6ec59e0000.statahead_max=0 101 real 0m1.138s user 0m0.004s sys 0m0.297s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff8b6ec59e0000.statahead_max=2048 llite.lustre-ffff8b6ec59e0000.statahead_max=2048 101 real 0m0.512s user 0m0.003s sys 0m0.230s '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 swrong=0 ewrong=0 total: 900 open/close in 4.47 seconds: 201.35 ops/second llite.lustre-ffff8b6ec59e0000.statahead_max=0 1001 real 0m10.653s user 0m0.026s sys 0m2.835s 'ls -l' 1000 files without statahead: 10 sec llite.lustre-ffff8b6ec59e0000.statahead_max=2048 llite.lustre-ffff8b6ec59e0000.statahead_max=2048 1001 real 0m3.570s user 0m0.015s sys 0m1.518s '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 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 8 seconds llite.lustre-ffff8b6ec59e0000.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 3 mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.batch_stats= snapshot_time: 1786356564.387324373 secs.nsecs start_time: 1786356433.257933828 secs.nsecs elapsed_time: 131.129390545 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 3648 (time 1786356575.19 total 10.00 last 364.76) - open/close 7734 (time 1786356585.19 total 20.00 last 408.54) total: 10000 open/close in 25.76 seconds: 388.20 ops/second llite.lustre-ffff8b6ec59e0000.statahead_batch_max=0 llite.lustre-ffff8b6ec59e0000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m32.087s user 0m0.214s sys 0m26.492s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8b6ec59e0000.statahead_batch_max=256 llite.lustre-ffff8b6ec59e0000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m28.803s user 0m0.200s sys 0m20.212s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8b6ec59e0000.batch_stats= snapshot_time: 1786356661.240212527 secs.nsecs start_time: 1786356626.251265682 secs.nsecs elapsed_time: 34.988946845 secs.nsecs subreqs per batch batches %% cum %% 1: 404 65 65 2: 90 14 80 4: 49 7 88 8: 10 1 89 16: 10 1 91 32: 18 2 94 64: 0 0 94 128: 0 0 94 256: 34 5 100 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-ffff8b6ec59e0000.statahead_batch_max=64 llite.lustre-ffff8b6ec59e0000.statahead_max=128