== sanity test 123ad: Verify batching statahead works correctly ========================================================== 10:37:58 (1788532678) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats=0 llite.lustre-ffff8f7309cf4000.statahead_max=32 llite.lustre-ffff8f7309cf4000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats=0 striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ad.sanity total: 100 open/close in 2.37 seconds: 42.27 ops/second llite.lustre-ffff8f7309cf4000.statahead_max=0 101 real 0m2.533s user 0m0.005s sys 0m0.330s 'ls -l' 100 files without statahead: 3 sec llite.lustre-ffff8f7309cf4000.statahead_max=32 llite.lustre-ffff8f7309cf4000.statahead_max=32 101 real 0m0.880s user 0m0.007s sys 0m0.176s 'ls -l' 100 files with statahead: 1 sec statahead total: 142 statahead wrong: 2 agl total: 135 list_total: 32 fname_total: 95 hit_total: 4064 miss_total: 1751 swrong=2 ewrong=2 - open/close 759 (time 1788532704.87 total 10.01 last 75.84) total: 900 open/close in 11.82 seconds: 76.12 ops/second llite.lustre-ffff8f7309cf4000.statahead_max=0 1001 real 0m21.044s user 0m0.031s sys 0m3.044s 'ls -l' 1000 files without statahead: 21 sec llite.lustre-ffff8f7309cf4000.statahead_max=32 llite.lustre-ffff8f7309cf4000.statahead_max=32 1001 real 0m8.449s user 0m0.026s sys 0m1.381s 'ls -l' 1000 files with statahead: 8 sec statahead total: 143 statahead wrong: 2 agl total: 136 list_total: 33 fname_total: 95 hit_total: 5062 miss_total: 1753 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 18 seconds llite.lustre-ffff8f7309cf4000.statahead_stats= statahead total: 143 statahead wrong: 2 agl total: 136 list_total: 33 fname_total: 95 hit_total: 5062 miss_total: 1753 mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats= snapshot_time: 1788532766.153276771 secs.nsecs start_time: 1788532682.691291099 secs.nsecs elapsed_time: 83.461985672 secs.nsecs subreqs per batch batches %% cum %% 1: 1 2 2 2: 2 5 8 4: 3 8 16 8: 2 5 21 16: 25 67 89 32: 4 10 100 mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats= snapshot_time: 1788532766.153530700 secs.nsecs start_time: 1788532682.691426042 secs.nsecs elapsed_time: 83.462104658 secs.nsecs subreqs per batch batches %% cum %% 1: 1 2 2 2: 1 2 5 4: 0 0 5 8: 3 7 12 16: 9 22 35 32: 26 65 100 - open/close 650 (time 1788532778.59 total 10.00 last 64.97) - open/close 1431 (time 1788532788.60 total 20.01 last 78.04) - open/close 2229 (time 1788532798.60 total 30.01 last 79.79) - open/close 3022 (time 1788532808.60 total 40.02 last 79.28) - open/close 3568 (time 1788532818.61 total 50.02 last 54.58) - open/close 4256 (time 1788532828.63 total 60.04 last 68.65) - open/close 5025 (time 1788532838.64 total 70.05 last 76.81) - open/close 5894 (time 1788532848.64 total 80.06 last 86.89) - open/close 6724 (time 1788532858.64 total 90.06 last 83.00) - open/close 7442 (time 1788532868.65 total 100.07 last 71.72) - open/close 8336 (time 1788532878.66 total 110.07 last 89.37) - open/close 9243 (time 1788532888.67 total 120.08 last 90.61) total: 10000 open/close in 129.44 seconds: 77.25 ops/second llite.lustre-ffff8f7309cf4000.statahead_batch_max=0 llite.lustre-ffff8f7309cf4000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.stats=clear mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.stats=clear ls -l files in d123ad.sanity: 10001 real 1m3.839s user 0m0.316s sys 0m14.748s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8f7309cf4000.statahead_batch_max=32 llite.lustre-ffff8f7309cf4000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.stats=clear mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.stats=clear ls -l files in d123ad.sanity: 10001 real 1m51.911s user 0m0.306s sys 0m13.955s batched statahead RPC= hit count=9979 mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats= snapshot_time: 1788533092.250152649 secs.nsecs start_time: 1788532970.323436207 secs.nsecs elapsed_time: 121.926716442 secs.nsecs subreqs per batch batches %% cum %% 1: 1 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-ffff8f7309cf4000.batch_stats= snapshot_time: 1788533092.250220515 secs.nsecs start_time: 1788532970.323562263 secs.nsecs elapsed_time: 121.926658252 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats=0 llite.lustre-ffff8f7309cf4000.statahead_max=2048 llite.lustre-ffff8f7309cf4000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats=0 striped dir -i1 -c2 -H crush /mnt/lustre/d123ad.sanity total: 100 open/close in 2.19 seconds: 45.56 ops/second llite.lustre-ffff8f7309cf4000.statahead_max=0 101 real 0m2.150s user 0m0.008s sys 0m0.319s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff8f7309cf4000.statahead_max=2048 llite.lustre-ffff8f7309cf4000.statahead_max=2048 101 real 0m1.406s user 0m0.006s sys 0m0.200s 'ls -l' 100 files with statahead: 2 sec statahead total: 2 statahead wrong: 0 agl total: 2 list_total: 2 fname_total: 0 hit_total: 10078 miss_total: 22 swrong=0 ewrong=0 - open/close 814 (time 1788533414.11 total 10.01 last 81.29) total: 900 open/close in 11.20 seconds: 80.33 ops/second llite.lustre-ffff8f7309cf4000.statahead_max=0 1001 real 0m21.636s user 0m0.035s sys 0m2.994s 'ls -l' 1000 files without statahead: 21 sec llite.lustre-ffff8f7309cf4000.statahead_max=2048 llite.lustre-ffff8f7309cf4000.statahead_max=2048 1001 real 0m7.449s user 0m0.034s sys 0m1.395s 'ls -l' 1000 files with statahead: 7 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11077 miss_total: 23 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 20 seconds llite.lustre-ffff8f7309cf4000.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11077 miss_total: 23 mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats= snapshot_time: 1788533477.568121260 secs.nsecs start_time: 1788533094.665130017 secs.nsecs elapsed_time: 382.902991243 secs.nsecs subreqs per batch batches %% cum %% 1: 1 12 12 2: 2 25 37 4: 2 25 62 8: 1 12 75 16: 0 0 75 32: 0 0 75 64: 0 0 75 128: 0 0 75 256: 2 25 100 mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats= snapshot_time: 1788533477.568181877 secs.nsecs start_time: 1788533094.665296421 secs.nsecs elapsed_time: 382.902885456 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 3 30 30 16: 2 20 50 32: 2 20 70 64: 1 10 80 128: 0 0 80 256: 2 20 100 - open/close 701 (time 1788533490.09 total 10.01 last 70.06) - open/close 1451 (time 1788533500.10 total 20.01 last 74.95) - open/close 2160 (time 1788533510.11 total 30.02 last 70.85) - open/close 2919 (time 1788533520.11 total 40.02 last 75.87) - open/close 3675 (time 1788533530.12 total 50.03 last 75.53) - open/close 4440 (time 1788533540.13 total 60.04 last 76.40) - open/close 5364 (time 1788533550.13 total 70.05 last 92.39) - open/close 6199 (time 1788533560.14 total 80.05 last 83.46) - open/close 6932 (time 1788533570.17 total 90.08 last 73.10) - open/close 7771 (time 1788533580.18 total 100.09 last 83.79) - open/close 8602 (time 1788533590.18 total 110.10 last 83.06) - open/close 9380 (time 1788533600.19 total 120.10 last 77.79) total: 10000 open/close in 127.78 seconds: 78.26 ops/second llite.lustre-ffff8f7309cf4000.statahead_batch_max=0 llite.lustre-ffff8f7309cf4000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.stats=clear mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.stats=clear ls -l files in d123ad.sanity: 10001 real 1m9.563s user 0m0.345s sys 0m14.734s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8f7309cf4000.statahead_batch_max=256 llite.lustre-ffff8f7309cf4000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.stats=clear mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.stats=clear ls -l files in d123ad.sanity: 10001 real 1m1.499s user 0m0.359s sys 0m14.768s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8f7309cf4000.batch_stats= snapshot_time: 1788533760.618379531 secs.nsecs start_time: 1788533686.593846002 secs.nsecs elapsed_time: 74.024533529 secs.nsecs subreqs per batch batches %% cum %% 1: 85 41 41 2: 33 16 58 4: 10 4 63 8: 8 3 66 16: 8 3 70 32: 18 8 79 64: 5 2 82 128: 1 0 82 256: 35 17 100 mdc.lustre-MDT0001-mdc-ffff8f7309cf4000.batch_stats= snapshot_time: 1788533760.618453634 secs.nsecs start_time: 1788533686.593944318 secs.nsecs elapsed_time: 74.024509316 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-ffff8f7309cf4000.statahead_batch_max=64 llite.lustre-ffff8f7309cf4000.statahead_max=128