== sanity test 123ad: Verify batching statahead works correctly ========================================================== 01:12:01 (1782364321) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff96e186a48000.batch_stats=0 llite.lustre-ffff96e186a48000.statahead_max=32 llite.lustre-ffff96e186a48000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff96e186a48000.batch_stats=0 total: 100 open/close in 0.63 seconds: 159.18 ops/second llite.lustre-ffff96e186a48000.statahead_max=0 101 real 0m0.605s user 0m0.003s sys 0m0.229s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff96e186a48000.statahead_max=32 llite.lustre-ffff96e186a48000.statahead_max=32 101 real 0m0.389s user 0m0.004s sys 0m0.238s 'ls -l' 100 files with statahead: 1 sec statahead total: 56 statahead wrong: 1 agl total: 52 list_total: 25 fname_total: 31 hit_total: 13965 miss_total: 198 swrong=1 ewrong=1 total: 900 open/close in 2.14 seconds: 421.20 ops/second llite.lustre-ffff96e186a48000.statahead_max=0 1001 real 0m5.782s user 0m0.015s sys 0m2.194s 'ls -l' 1000 files without statahead: 6 sec llite.lustre-ffff96e186a48000.statahead_max=32 llite.lustre-ffff96e186a48000.statahead_max=32 1001 real 0m3.763s user 0m0.020s sys 0m2.048s 'ls -l' 1000 files with statahead: 3 sec statahead total: 57 statahead wrong: 1 agl total: 53 list_total: 26 fname_total: 31 hit_total: 14964 miss_total: 199 swrong=1 ewrong=1 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 5 seconds llite.lustre-ffff96e186a48000.statahead_stats= statahead total: 57 statahead wrong: 1 agl total: 53 list_total: 26 fname_total: 31 hit_total: 14964 miss_total: 199 mdc.lustre-MDT0000-mdc-ffff96e186a48000.batch_stats= snapshot_time: 1782364347.442553509 secs.nsecs start_time: 1782364323.740593190 secs.nsecs elapsed_time: 23.701960319 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 1 2 2 8: 2 5 7 16: 2 5 12 32: 34 87 100 - open/close 4600 (time 1782364358.28 total 10.00 last 459.93) - open/close 9279 (time 1782364368.28 total 20.00 last 467.89) total: 10000 open/close in 21.90 seconds: 456.58 ops/second llite.lustre-ffff96e186a48000.statahead_batch_max=0 llite.lustre-ffff96e186a48000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff96e186a48000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m37.085s user 0m0.136s sys 0m33.041s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff96e186a48000.statahead_batch_max=32 llite.lustre-ffff96e186a48000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff96e186a48000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff96e186a48000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m44.594s user 0m0.178s sys 0m25.725s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff96e186a48000.batch_stats= snapshot_time: 1782364461.005813353 secs.nsecs start_time: 1782364410.187867455 secs.nsecs elapsed_time: 50.817945898 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-ffff96e186a48000.batch_stats=0 llite.lustre-ffff96e186a48000.statahead_max=2048 llite.lustre-ffff96e186a48000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff96e186a48000.batch_stats=0 total: 100 open/close in 1.16 seconds: 86.15 ops/second llite.lustre-ffff96e186a48000.statahead_max=0 101 real 0m0.549s user 0m0.002s sys 0m0.199s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff96e186a48000.statahead_max=2048 llite.lustre-ffff96e186a48000.statahead_max=2048 101 real 0m0.338s user 0m0.002s sys 0m0.252s '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 2.43 seconds: 371.10 ops/second llite.lustre-ffff96e186a48000.statahead_max=0 1001 real 0m5.404s user 0m0.015s sys 0m1.908s 'ls -l' 1000 files without statahead: 5 sec llite.lustre-ffff96e186a48000.statahead_max=2048 llite.lustre-ffff96e186a48000.statahead_max=2048 1001 real 0m3.312s user 0m0.010s sys 0m1.849s '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 - open/close 4560 (time 1782364601.47 total 10.00 last 455.94) total: 9000 open/close in 19.44 seconds: 463.01 ops/second llite.lustre-ffff96e186a48000.statahead_max=0 10001 real 0m58.289s user 0m0.182s sys 0m20.021s 'ls -l' 10000 files without statahead: 59 sec llite.lustre-ffff96e186a48000.statahead_max=2048 llite.lustre-ffff96e186a48000.statahead_max=2048 10001 real 0m42.464s user 0m0.153s sys 0m28.951s 'ls -l' 10000 files with statahead: 43 sec statahead total: 4 statahead wrong: 0 agl total: 4 list_total: 4 fname_total: 0 hit_total: 21096 miss_total: 4 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 93 seconds llite.lustre-ffff96e186a48000.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-ffff96e186a48000.batch_stats= snapshot_time: 1782364817.715029604 secs.nsecs start_time: 1782364461.914184205 secs.nsecs elapsed_time: 355.800845399 secs.nsecs subreqs per batch batches %% cum %% 1: 501 72 72 2: 106 15 87 4: 15 2 89 8: 3 0 90 16: 6 0 91 32: 23 3 94 64: 0 0 94 128: 1 0 94 256: 38 5 100 - open/close 2507 (time 1782364828.95 total 10.00 last 250.64) - open/close 6939 (time 1782364838.96 total 20.00 last 443.13) total: 10000 open/close in 26.92 seconds: 371.41 ops/second llite.lustre-ffff96e186a48000.statahead_batch_max=0 llite.lustre-ffff96e186a48000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff96e186a48000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m53.659s user 0m0.143s sys 0m44.815s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff96e186a48000.statahead_batch_max=256 llite.lustre-ffff96e186a48000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff96e186a48000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff96e186a48000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m36.412s user 0m0.155s sys 0m23.197s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff96e186a48000.batch_stats= snapshot_time: 1782364949.030972823 secs.nsecs start_time: 1782364902.246710992 secs.nsecs elapsed_time: 46.784261831 secs.nsecs subreqs per batch batches %% cum %% 1: 559 68 68 2: 147 17 85 4: 50 6 92 8: 5 0 92 16: 5 0 93 32: 22 2 95 64: 0 0 95 128: 0 0 95 256: 33 4 100 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-ffff96e186a48000.statahead_batch_max=64 llite.lustre-ffff96e186a48000.statahead_max=128