== sanity test 123ad: Verify batching statahead works correctly ========================================================== 17:58:40 (1786831120) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff95350836a800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats=0 llite.lustre-ffff95350836a800.statahead_max=32 llite.lustre-ffff95350836a800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff95350836a800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats=0 striped dir -i1 -c2 -H crush /mnt/lustre/d123ad.sanity total: 100 open/close in 2.65 seconds: 37.81 ops/second llite.lustre-ffff95350836a800.statahead_max=0 101 real 0m2.275s user 0m0.007s sys 0m0.360s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff95350836a800.statahead_max=32 llite.lustre-ffff95350836a800.statahead_max=32 101 real 0m1.284s user 0m0.004s sys 0m0.192s 'ls -l' 100 files with statahead: 1 sec statahead total: 119 statahead wrong: 2 agl total: 113 list_total: 31 fname_total: 72 hit_total: 4544 miss_total: 780 swrong=2 ewrong=2 - open/close 828 (time 1786831151.33 total 10.00 last 82.79) total: 900 open/close in 11.06 seconds: 81.38 ops/second llite.lustre-ffff95350836a800.statahead_max=0 1001 real 0m23.036s user 0m0.033s sys 0m3.274s 'ls -l' 1000 files without statahead: 23 sec llite.lustre-ffff95350836a800.statahead_max=32 llite.lustre-ffff95350836a800.statahead_max=32 1001 real 0m10.608s user 0m0.028s sys 0m1.499s 'ls -l' 1000 files with statahead: 11 sec statahead total: 120 statahead wrong: 2 agl total: 114 list_total: 32 fname_total: 72 hit_total: 5541 miss_total: 783 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 20 seconds llite.lustre-ffff95350836a800.statahead_stats= statahead total: 120 statahead wrong: 2 agl total: 114 list_total: 32 fname_total: 72 hit_total: 5541 miss_total: 783 mdc.lustre-MDT0000-mdc-ffff95350836a800.batch_stats= snapshot_time: 1786831219.967804790 secs.nsecs start_time: 1786831126.819670661 secs.nsecs elapsed_time: 93.148134129 secs.nsecs subreqs per batch batches %% cum %% 1: 1 2 2 2: 3 8 10 4: 2 5 16 8: 0 0 16 16: 25 67 83 32: 6 16 100 mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats= snapshot_time: 1786831219.967904481 secs.nsecs start_time: 1786831126.819843111 secs.nsecs elapsed_time: 93.148061370 secs.nsecs subreqs per batch batches %% cum %% 1: 1 2 2 2: 0 0 2 4: 2 5 7 8: 3 7 15 16: 9 22 37 32: 25 62 100 - open/close 944 (time 1786831232.91 total 10.01 last 94.32) - open/close 1937 (time 1786831242.91 total 20.02 last 99.23) - open/close 2809 (time 1786831252.92 total 30.02 last 87.16) - open/close 3695 (time 1786831262.92 total 40.02 last 88.59) - open/close 4590 (time 1786831272.92 total 50.03 last 89.46) - open/close 5508 (time 1786831282.94 total 60.05 last 91.62) - open/close 6419 (time 1786831292.95 total 70.05 last 91.08) - open/close 7228 (time 1786831302.95 total 80.05 last 80.86) - open/close 8148 (time 1786831312.95 total 90.05 last 91.98) - open/close 8972 (time 1786831322.96 total 100.06 last 82.35) - open/close 9864 (time 1786831332.96 total 110.06 last 89.18) total: 10000 open/close in 111.57 seconds: 89.63 ops/second llite.lustre-ffff95350836a800.statahead_batch_max=0 llite.lustre-ffff95350836a800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff95350836a800.stats=clear mdc.lustre-MDT0001-mdc-ffff95350836a800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m0.488s user 0m0.340s sys 0m16.028s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff95350836a800.statahead_batch_max=32 llite.lustre-ffff95350836a800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff95350836a800.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff95350836a800.stats=clear mdc.lustre-MDT0001-mdc-ffff95350836a800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m32.516s user 0m0.293s sys 0m14.507s batched statahead RPC= hit count=9986 mdc.lustre-MDT0000-mdc-ffff95350836a800.batch_stats= snapshot_time: 1786831511.524217854 secs.nsecs start_time: 1786831405.700145997 secs.nsecs elapsed_time: 105.824071857 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 mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats= snapshot_time: 1786831511.524283668 secs.nsecs start_time: 1786831405.700236766 secs.nsecs elapsed_time: 105.824046902 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff95350836a800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats=0 llite.lustre-ffff95350836a800.statahead_max=2048 llite.lustre-ffff95350836a800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff95350836a800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats=0 striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ad.sanity total: 100 open/close in 2.94 seconds: 34.05 ops/second llite.lustre-ffff95350836a800.statahead_max=0 101 real 0m2.214s user 0m0.005s sys 0m0.349s 'ls -l' 100 files without statahead: 3 sec llite.lustre-ffff95350836a800.statahead_max=2048 llite.lustre-ffff95350836a800.statahead_max=2048 101 real 0m0.985s user 0m0.004s sys 0m0.207s '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 819 (time 1786831779.31 total 10.01 last 81.81) total: 900 open/close in 11.32 seconds: 79.54 ops/second llite.lustre-ffff95350836a800.statahead_max=0 1001 real 0m24.438s user 0m0.035s sys 0m3.361s 'ls -l' 1000 files without statahead: 24 sec llite.lustre-ffff95350836a800.statahead_max=2048 llite.lustre-ffff95350836a800.statahead_max=2048 1001 real 0m8.202s user 0m0.036s sys 0m1.623s 'ls -l' 1000 files with statahead: 8 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: 18 seconds llite.lustre-ffff95350836a800.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-ffff95350836a800.batch_stats= snapshot_time: 1786831844.470560013 secs.nsecs start_time: 1786831514.157687560 secs.nsecs elapsed_time: 330.312872453 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 2 22 22 8: 3 33 55 16: 0 0 55 32: 1 11 66 64: 1 11 77 128: 0 0 77 256: 2 22 100 mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats= snapshot_time: 1786831844.471282891 secs.nsecs start_time: 1786831514.161166230 secs.nsecs elapsed_time: 330.310116661 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 1 11 11 4: 1 11 22 8: 2 22 44 16: 1 11 55 32: 2 22 77 64: 0 0 77 128: 0 0 77 256: 2 22 100 - open/close 901 (time 1786831857.34 total 10.01 last 90.04) - open/close 1881 (time 1786831867.34 total 20.01 last 98.00) - open/close 2859 (time 1786831877.34 total 30.01 last 97.77) - open/close 3957 (time 1786831887.35 total 40.02 last 109.72) - open/close 4905 (time 1786831897.35 total 50.02 last 94.78) - open/close 5854 (time 1786831907.36 total 60.02 last 94.86) - open/close 6803 (time 1786831917.36 total 70.03 last 94.87) - open/close 7725 (time 1786831927.37 total 80.03 last 92.13) - open/close 8640 (time 1786831937.37 total 90.04 last 91.46) - open/close 9667 (time 1786831947.37 total 100.04 last 102.68) total: 10000 open/close in 103.56 seconds: 96.56 ops/second llite.lustre-ffff95350836a800.statahead_batch_max=0 llite.lustre-ffff95350836a800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff95350836a800.stats=clear mdc.lustre-MDT0001-mdc-ffff95350836a800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m6.895s user 0m0.340s sys 0m16.566s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff95350836a800.statahead_batch_max=256 llite.lustre-ffff95350836a800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff95350836a800.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff95350836a800.stats=clear mdc.lustre-MDT0001-mdc-ffff95350836a800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m58.158s user 0m0.332s sys 0m17.097s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff95350836a800.batch_stats= snapshot_time: 1786832099.317745317 secs.nsecs start_time: 1786832026.518227624 secs.nsecs elapsed_time: 72.799517693 secs.nsecs subreqs per batch batches %% cum %% 1: 196 50 50 2: 56 14 64 4: 52 13 78 8: 22 5 83 16: 10 2 86 32: 12 3 89 64: 7 1 91 128: 0 0 91 256: 34 8 100 mdc.lustre-MDT0001-mdc-ffff95350836a800.batch_stats= snapshot_time: 1786832099.317825423 secs.nsecs start_time: 1786832026.518374478 secs.nsecs elapsed_time: 72.799450945 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 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-ffff95350836a800.statahead_batch_max=64 llite.lustre-ffff95350836a800.statahead_max=128