== sanity test 123ad: Verify batching statahead works correctly ========================================================== 11:09:45 (1781622585) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff951e05c37800.batch_stats=0 llite.lustre-ffff951e05c37800.statahead_max=32 llite.lustre-ffff951e05c37800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff951e05c37800.batch_stats=0 total: 100 open/close in 2.44 seconds: 41.04 ops/second llite.lustre-ffff951e05c37800.statahead_max=0 101 real 0m2.047s user 0m0.006s sys 0m0.328s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff951e05c37800.statahead_max=32 llite.lustre-ffff951e05c37800.statahead_max=32 101 real 0m1.002s user 0m0.004s sys 0m0.157s 'ls -l' 100 files with statahead: 1 sec statahead total: 86 statahead wrong: 1 agl total: 82 list_total: 28 fname_total: 51 hit_total: 4112 miss_total: 239 swrong=1 ewrong=1 - open/close 820 (time 1781622610.84 total 10.01 last 81.92) total: 900 open/close in 11.15 seconds: 80.74 ops/second llite.lustre-ffff951e05c37800.statahead_max=0 1001 real 0m20.144s user 0m0.030s sys 0m3.025s 'ls -l' 1000 files without statahead: 20 sec llite.lustre-ffff951e05c37800.statahead_max=32 llite.lustre-ffff951e05c37800.statahead_max=32 1001 real 0m9.631s user 0m0.032s sys 0m1.573s 'ls -l' 1000 files with statahead: 10 sec statahead total: 87 statahead wrong: 1 agl total: 83 list_total: 29 fname_total: 51 hit_total: 5110 miss_total: 241 swrong=1 ewrong=1 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 19 seconds llite.lustre-ffff951e05c37800.statahead_stats= statahead total: 87 statahead wrong: 1 agl total: 83 list_total: 29 fname_total: 51 hit_total: 5110 miss_total: 241 mdc.lustre-MDT0000-mdc-ffff951e05c37800.batch_stats= snapshot_time: 1781622672.138428504 secs.nsecs start_time: 1781622589.533962536 secs.nsecs elapsed_time: 82.604465968 secs.nsecs subreqs per batch batches %% cum %% 1: 1 2 2 2: 0 0 2 4: 0 0 2 8: 3 7 10 16: 2 5 15 32: 34 85 100 - open/close 777 (time 1781622684.42 total 10.01 last 77.63) - open/close 1546 (time 1781622694.42 total 20.01 last 76.86) - open/close 2367 (time 1781622704.43 total 30.02 last 82.07) - open/close 3226 (time 1781622714.43 total 40.02 last 85.87) - open/close 4071 (time 1781622724.43 total 50.02 last 84.49) - open/close 4819 (time 1781622734.43 total 60.02 last 74.78) - open/close 5567 (time 1781622744.46 total 70.05 last 74.62) - open/close 6350 (time 1781622754.46 total 80.06 last 78.24) - open/close 7151 (time 1781622764.47 total 90.06 last 80.04) - open/close 7972 (time 1781622774.48 total 100.07 last 82.05) - open/close 8804 (time 1781622784.49 total 110.08 last 83.11) - open/close 9623 (time 1781622794.50 total 120.10 last 81.77) total: 10000 open/close in 124.67 seconds: 80.21 ops/second llite.lustre-ffff951e05c37800.statahead_batch_max=0 llite.lustre-ffff951e05c37800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff951e05c37800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m49.119s user 0m0.288s sys 0m19.525s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff951e05c37800.statahead_batch_max=32 llite.lustre-ffff951e05c37800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff951e05c37800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff951e05c37800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m11.431s user 0m0.275s sys 0m16.549s batched statahead RPC= hit count=9981 mdc.lustre-MDT0000-mdc-ffff951e05c37800.batch_stats= snapshot_time: 1781622937.833935441 secs.nsecs start_time: 1781622856.073800322 secs.nsecs elapsed_time: 81.760135119 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-ffff951e05c37800.batch_stats=0 llite.lustre-ffff951e05c37800.statahead_max=2048 llite.lustre-ffff951e05c37800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff951e05c37800.batch_stats=0 total: 100 open/close in 2.13 seconds: 46.85 ops/second llite.lustre-ffff951e05c37800.statahead_max=0 101 real 0m1.724s user 0m0.003s sys 0m0.316s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff951e05c37800.statahead_max=2048 llite.lustre-ffff951e05c37800.statahead_max=2048 101 real 0m0.580s user 0m0.003s sys 0m0.218s '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: 10080 miss_total: 20 swrong=0 ewrong=0 total: 900 open/close in 9.22 seconds: 97.60 ops/second llite.lustre-ffff951e05c37800.statahead_max=0 1001 real 0m17.647s user 0m0.031s sys 0m3.045s 'ls -l' 1000 files without statahead: 17 sec llite.lustre-ffff951e05c37800.statahead_max=2048 llite.lustre-ffff951e05c37800.statahead_max=2048 1001 real 0m5.099s user 0m0.027s sys 0m1.748s 'ls -l' 1000 files with statahead: 5 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11079 miss_total: 21 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 15 seconds llite.lustre-ffff951e05c37800.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11079 miss_total: 21 mdc.lustre-MDT0000-mdc-ffff951e05c37800.batch_stats= snapshot_time: 1781623238.386029989 secs.nsecs start_time: 1781622939.353797618 secs.nsecs elapsed_time: 299.032232371 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 2 16 16 16: 2 16 33 32: 2 16 50 64: 1 8 58 128: 1 8 66 256: 4 33 100 - open/close 1001 (time 1781623250.11 total 10.01 last 100.04) - open/close 1935 (time 1781623260.12 total 20.02 last 93.30) - open/close 2935 (time 1781623270.13 total 30.02 last 99.97) - open/close 3931 (time 1781623280.14 total 40.03 last 99.50) - open/close 4957 (time 1781623290.14 total 50.03 last 102.59) - open/close 5986 (time 1781623300.14 total 60.03 last 102.87) - open/close 7046 (time 1781623310.15 total 70.04 last 105.92) - open/close 8120 (time 1781623320.16 total 80.05 last 107.31) - open/close 9054 (time 1781623330.16 total 90.05 last 93.38) total: 10000 open/close in 99.28 seconds: 100.72 ops/second llite.lustre-ffff951e05c37800.statahead_batch_max=0 llite.lustre-ffff951e05c37800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff951e05c37800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m41.709s user 0m0.298s sys 0m22.394s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff951e05c37800.statahead_batch_max=256 llite.lustre-ffff951e05c37800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff951e05c37800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff951e05c37800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m38.950s user 0m0.291s sys 0m18.707s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff951e05c37800.batch_stats= snapshot_time: 1781623434.836202715 secs.nsecs start_time: 1781623386.664360783 secs.nsecs elapsed_time: 48.171841932 secs.nsecs subreqs per batch batches %% cum %% 1: 174 52 52 2: 42 12 64 4: 35 10 75 8: 18 5 80 16: 13 3 84 32: 12 3 88 64: 5 1 89 128: 0 0 89 256: 35 10 100 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-ffff951e05c37800.statahead_batch_max=64 llite.lustre-ffff951e05c37800.statahead_max=128