== sanity test 123ad: Verify batching statahead works correctly ========================================================== 23:37:30 (1784086650) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff94e0e2339800.batch_stats=0 llite.lustre-ffff94e0e2339800.statahead_max=32 llite.lustre-ffff94e0e2339800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff94e0e2339800.batch_stats=0 total: 100 open/close in 0.81 seconds: 122.79 ops/second llite.lustre-ffff94e0e2339800.statahead_max=0 101 real 0m0.686s user 0m0.005s sys 0m0.269s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff94e0e2339800.statahead_max=32 llite.lustre-ffff94e0e2339800.statahead_max=32 101 real 0m0.422s user 0m0.001s sys 0m0.279s 'ls -l' 100 files with statahead: 0 sec statahead total: 60 statahead wrong: 1 agl total: 56 list_total: 26 fname_total: 34 hit_total: 13666 miss_total: 209 swrong=1 ewrong=1 total: 900 open/close in 1.80 seconds: 499.84 ops/second llite.lustre-ffff94e0e2339800.statahead_max=0 1001 real 0m5.736s user 0m0.022s sys 0m2.265s 'ls -l' 1000 files without statahead: 6 sec llite.lustre-ffff94e0e2339800.statahead_max=32 llite.lustre-ffff94e0e2339800.statahead_max=32 1001 real 0m4.235s user 0m0.016s sys 0m2.453s 'ls -l' 1000 files with statahead: 4 sec statahead total: 61 statahead wrong: 1 agl total: 57 list_total: 27 fname_total: 34 hit_total: 14665 miss_total: 210 swrong=1 ewrong=1 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 7 seconds llite.lustre-ffff94e0e2339800.statahead_stats= statahead total: 61 statahead wrong: 1 agl total: 57 list_total: 27 fname_total: 34 hit_total: 14665 miss_total: 210 mdc.lustre-MDT0000-mdc-ffff94e0e2339800.batch_stats= snapshot_time: 1784086677.730687917 secs.nsecs start_time: 1784086651.957105054 secs.nsecs elapsed_time: 25.773582863 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 4369 (time 1784086688.54 total 10.00 last 436.85) - open/close 8703 (time 1784086698.54 total 20.00 last 433.28) total: 10000 open/close in 23.46 seconds: 426.19 ops/second llite.lustre-ffff94e0e2339800.statahead_batch_max=0 llite.lustre-ffff94e0e2339800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff94e0e2339800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m46.626s user 0m0.186s sys 0m43.098s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff94e0e2339800.statahead_batch_max=32 llite.lustre-ffff94e0e2339800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff94e0e2339800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff94e0e2339800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m46.680s user 0m0.208s sys 0m28.225s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff94e0e2339800.batch_stats= snapshot_time: 1784086806.470247312 secs.nsecs start_time: 1784086751.889363570 secs.nsecs elapsed_time: 54.580883742 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-ffff94e0e2339800.batch_stats=0 llite.lustre-ffff94e0e2339800.statahead_max=2048 llite.lustre-ffff94e0e2339800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff94e0e2339800.batch_stats=0 total: 100 open/close in 1.47 seconds: 68.25 ops/second llite.lustre-ffff94e0e2339800.statahead_max=0 101 real 0m0.643s user 0m0.000s sys 0m0.255s 'ls -l' 100 files without statahead: 0 sec llite.lustre-ffff94e0e2339800.statahead_max=2048 llite.lustre-ffff94e0e2339800.statahead_max=2048 101 real 0m0.355s user 0m0.002s sys 0m0.244s '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 1.81 seconds: 496.46 ops/second llite.lustre-ffff94e0e2339800.statahead_max=0 1001 real 0m6.033s user 0m0.027s sys 0m2.345s 'ls -l' 1000 files without statahead: 6 sec llite.lustre-ffff94e0e2339800.statahead_max=2048 llite.lustre-ffff94e0e2339800.statahead_max=2048 1001 real 0m4.041s user 0m0.018s sys 0m2.463s '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: 5 seconds llite.lustre-ffff94e0e2339800.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-ffff94e0e2339800.batch_stats= snapshot_time: 1784086925.173703452 secs.nsecs start_time: 1784086807.441864120 secs.nsecs elapsed_time: 117.731839332 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 4329 (time 1784086936.77 total 10.00 last 432.77) - open/close 8495 (time 1784086946.77 total 20.00 last 416.59) total: 10000 open/close in 23.33 seconds: 428.57 ops/second llite.lustre-ffff94e0e2339800.statahead_batch_max=0 llite.lustre-ffff94e0e2339800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff94e0e2339800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m45.439s user 0m0.208s sys 0m37.255s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff94e0e2339800.statahead_batch_max=256 llite.lustre-ffff94e0e2339800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff94e0e2339800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff94e0e2339800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m29.435s user 0m0.150s sys 0m21.837s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff94e0e2339800.batch_stats= snapshot_time: 1784087034.674907608 secs.nsecs start_time: 1784086998.455185723 secs.nsecs elapsed_time: 36.219721885 secs.nsecs subreqs per batch batches %% cum %% 1: 380 66 66 2: 79 13 80 4: 37 6 86 8: 13 2 88 16: 10 1 90 32: 19 3 93 64: 1 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-ffff94e0e2339800.statahead_batch_max=64 llite.lustre-ffff94e0e2339800.statahead_max=128