== sanity test 123ad: Verify batching statahead works correctly ========================================================== 20:59:41 (1786755581) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats=0 llite.lustre-ffff8e048390e800.statahead_max=32 llite.lustre-ffff8e048390e800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats=0 total: 100 open/close in 2.36 seconds: 42.35 ops/second llite.lustre-ffff8e048390e800.statahead_max=0 101 real 0m2.199s user 0m0.009s sys 0m0.333s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff8e048390e800.statahead_max=32 llite.lustre-ffff8e048390e800.statahead_max=32 101 real 0m1.091s user 0m0.006s sys 0m0.180s 'ls -l' 100 files with statahead: 2 sec statahead total: 178 statahead wrong: 2 agl total: 171 list_total: 30 fname_total: 144 hit_total: 3984 miss_total: 1404 swrong=2 ewrong=2 - open/close 723 (time 1786755607.79 total 10.01 last 72.23) total: 900 open/close in 12.59 seconds: 71.49 ops/second llite.lustre-ffff8e048390e800.statahead_max=0 1001 real 0m22.619s user 0m0.034s sys 0m3.169s 'ls -l' 1000 files without statahead: 23 sec llite.lustre-ffff8e048390e800.statahead_max=32 llite.lustre-ffff8e048390e800.statahead_max=32 1001 real 0m10.550s user 0m0.032s sys 0m1.536s 'ls -l' 1000 files with statahead: 11 sec statahead total: 179 statahead wrong: 2 agl total: 172 list_total: 31 fname_total: 144 hit_total: 4981 miss_total: 1407 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 23 seconds llite.lustre-ffff8e048390e800.statahead_stats= statahead total: 179 statahead wrong: 2 agl total: 172 list_total: 31 fname_total: 144 hit_total: 4981 miss_total: 1407 mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats= snapshot_time: 1786755679.317807413 secs.nsecs start_time: 1786755586.034561679 secs.nsecs elapsed_time: 93.283245734 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 3 7 7 16: 1 2 10 32: 34 89 100 - open/close 775 (time 1786755691.62 total 10.01 last 77.42) - open/close 1538 (time 1786755701.63 total 20.02 last 76.25) - open/close 2246 (time 1786755711.63 total 30.02 last 70.80) - open/close 2992 (time 1786755721.63 total 40.02 last 74.59) - open/close 3730 (time 1786755731.66 total 50.04 last 73.63) - open/close 4492 (time 1786755741.70 total 60.09 last 75.87) - open/close 5078 (time 1786755751.70 total 70.09 last 58.59) - open/close 5824 (time 1786755761.71 total 80.09 last 74.55) - open/close 6575 (time 1786755771.71 total 90.10 last 75.06) - open/close 7298 (time 1786755781.73 total 100.12 last 72.18) - open/close 8082 (time 1786755791.73 total 110.12 last 78.38) - open/close 8833 (time 1786755801.74 total 120.13 last 75.01) - open/close 9574 (time 1786755811.75 total 130.13 last 74.09) total: 10000 open/close in 135.91 seconds: 73.58 ops/second llite.lustre-ffff8e048390e800.statahead_batch_max=0 llite.lustre-ffff8e048390e800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8e048390e800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m5.395s user 0m0.325s sys 0m15.750s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8e048390e800.statahead_batch_max=32 llite.lustre-ffff8e048390e800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8e048390e800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m50.869s user 0m0.320s sys 0m15.391s batched statahead RPC= hit count=9986 mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats= snapshot_time: 1786756020.451543621 secs.nsecs start_time: 1786755893.646017668 secs.nsecs elapsed_time: 126.805525953 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 1 0 0 16: 1 0 0 32: 313 99 100 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats=0 llite.lustre-ffff8e048390e800.statahead_max=2048 llite.lustre-ffff8e048390e800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats=0 total: 100 open/close in 3.08 seconds: 32.47 ops/second llite.lustre-ffff8e048390e800.statahead_max=0 101 real 0m3.293s user 0m0.007s sys 0m0.327s 'ls -l' 100 files without statahead: 3 sec llite.lustre-ffff8e048390e800.statahead_max=2048 llite.lustre-ffff8e048390e800.statahead_max=2048 101 real 0m1.063s user 0m0.005s sys 0m0.183s '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: 10085 miss_total: 15 swrong=0 ewrong=0 - open/close 662 (time 1786756341.14 total 10.01 last 66.14) total: 900 open/close in 13.97 seconds: 64.43 ops/second llite.lustre-ffff8e048390e800.statahead_max=0 1001 real 0m20.918s user 0m0.035s sys 0m3.139s 'ls -l' 1000 files without statahead: 21 sec llite.lustre-ffff8e048390e800.statahead_max=2048 llite.lustre-ffff8e048390e800.statahead_max=2048 1001 real 0m6.101s user 0m0.029s sys 0m1.678s 'ls -l' 1000 files with statahead: 6 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11084 miss_total: 16 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 21 seconds llite.lustre-ffff8e048390e800.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11084 miss_total: 16 mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats= snapshot_time: 1786756406.206155162 secs.nsecs start_time: 1786756022.844743319 secs.nsecs elapsed_time: 383.361411843 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 738 (time 1786756418.61 total 10.00 last 73.77) - open/close 1460 (time 1786756428.62 total 20.01 last 72.15) - open/close 2220 (time 1786756438.64 total 30.03 last 75.87) - open/close 2963 (time 1786756448.64 total 40.03 last 74.28) - open/close 3729 (time 1786756458.64 total 50.03 last 76.60) - open/close 4471 (time 1786756468.65 total 60.05 last 74.10) - open/close 5267 (time 1786756478.66 total 70.05 last 79.56) - open/close 5993 (time 1786756488.67 total 80.06 last 72.51) - open/close 6760 (time 1786756498.68 total 90.07 last 76.64) - open/close 7567 (time 1786756508.70 total 100.09 last 80.54) - open/close 8355 (time 1786756518.72 total 110.11 last 78.65) - open/close 9070 (time 1786756528.73 total 120.12 last 71.44) - open/close 9807 (time 1786756538.76 total 130.15 last 73.47) total: 10000 open/close in 133.03 seconds: 75.17 ops/second llite.lustre-ffff8e048390e800.statahead_batch_max=0 llite.lustre-ffff8e048390e800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8e048390e800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m5.780s user 0m0.319s sys 0m16.229s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8e048390e800.statahead_batch_max=256 llite.lustre-ffff8e048390e800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8e048390e800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m59.863s user 0m0.320s sys 0m15.917s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8e048390e800.batch_stats= snapshot_time: 1786756691.008355954 secs.nsecs start_time: 1786756616.645279041 secs.nsecs elapsed_time: 74.363076913 secs.nsecs subreqs per batch batches %% cum %% 1: 261 56 56 2: 61 13 69 4: 47 10 79 8: 23 4 84 16: 19 4 88 32: 13 2 90 64: 9 1 92 128: 0 0 92 256: 33 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-ffff8e048390e800.statahead_batch_max=64 llite.lustre-ffff8e048390e800.statahead_max=128