== sanity test 123ad: Verify batching statahead works correctly ========================================================== 05:16:25 (1789550185) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.batch_stats=0 llite.lustre-ffff989e8a0f9800.statahead_max=32 llite.lustre-ffff989e8a0f9800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.batch_stats=0 total: 100 open/close in 2.66 seconds: 37.61 ops/second llite.lustre-ffff989e8a0f9800.statahead_max=0 101 real 0m2.383s user 0m0.006s sys 0m0.338s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff989e8a0f9800.statahead_max=32 llite.lustre-ffff989e8a0f9800.statahead_max=32 101 real 0m1.185s user 0m0.005s sys 0m0.131s 'ls -l' 100 files with statahead: 1 sec statahead total: 80 statahead wrong: 2 agl total: 76 list_total: 29 fname_total: 50 hit_total: 3939 miss_total: 1609 swrong=2 ewrong=2 - open/close 677 (time 1789550211.98 total 10.00 last 67.69) total: 900 open/close in 13.61 seconds: 66.11 ops/second llite.lustre-ffff989e8a0f9800.statahead_max=0 1001 real 0m19.582s user 0m0.033s sys 0m2.947s 'ls -l' 1000 files without statahead: 20 sec llite.lustre-ffff989e8a0f9800.statahead_max=32 llite.lustre-ffff989e8a0f9800.statahead_max=32 1001 real 0m10.059s user 0m0.028s sys 0m1.325s 'ls -l' 1000 files with statahead: 10 sec statahead total: 81 statahead wrong: 2 agl total: 77 list_total: 30 fname_total: 50 hit_total: 4937 miss_total: 1611 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 21 seconds llite.lustre-ffff989e8a0f9800.statahead_stats= statahead total: 81 statahead wrong: 2 agl total: 77 list_total: 30 fname_total: 50 hit_total: 4937 miss_total: 1611 mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.batch_stats= snapshot_time: 1789550278.570599073 secs.nsecs start_time: 1789550189.958678103 secs.nsecs elapsed_time: 88.611920970 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 3 7 7 16: 2 5 12 32: 34 87 100 - open/close 717 (time 1789550291.12 total 10.01 last 71.64) - open/close 1412 (time 1789550301.12 total 20.01 last 69.49) - open/close 2200 (time 1789550311.12 total 30.01 last 78.76) - open/close 2911 (time 1789550321.13 total 40.03 last 71.01) - open/close 3550 (time 1789550331.14 total 50.03 last 63.89) - open/close 4372 (time 1789550341.14 total 60.03 last 82.17) - open/close 5091 (time 1789550351.16 total 70.05 last 71.78) - open/close 5792 (time 1789550361.17 total 80.06 last 70.00) - open/close 6544 (time 1789550371.17 total 90.06 last 75.20) - open/close 7154 (time 1789550381.18 total 100.07 last 60.97) - open/close 7845 (time 1789550391.19 total 110.08 last 69.01) - open/close 8570 (time 1789550401.19 total 120.09 last 72.47) - open/close 9370 (time 1789550411.20 total 130.10 last 79.93) total: 10000 open/close in 137.55 seconds: 72.70 ops/second llite.lustre-ffff989e8a0f9800.statahead_batch_max=0 llite.lustre-ffff989e8a0f9800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m45.849s user 0m0.303s sys 0m15.221s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff989e8a0f9800.statahead_batch_max=32 llite.lustre-ffff989e8a0f9800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m23.918s user 0m0.256s sys 0m13.050s batched statahead RPC= hit count=9982 mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.batch_stats= snapshot_time: 1789550565.161340981 secs.nsecs start_time: 1789550472.365706138 secs.nsecs elapsed_time: 92.795634843 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-ffff989e8a0f9800.batch_stats=0 llite.lustre-ffff989e8a0f9800.statahead_max=2048 llite.lustre-ffff989e8a0f9800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.batch_stats=0 total: 100 open/close in 2.82 seconds: 35.46 ops/second llite.lustre-ffff989e8a0f9800.statahead_max=0 101 real 0m2.368s user 0m0.004s sys 0m0.309s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff989e8a0f9800.statahead_max=2048 llite.lustre-ffff989e8a0f9800.statahead_max=2048 101 real 0m0.897s user 0m0.003s sys 0m0.187s '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: 10081 miss_total: 19 swrong=0 ewrong=0 - open/close 780 (time 1789550859.44 total 10.00 last 77.96) total: 900 open/close in 11.66 seconds: 77.20 ops/second llite.lustre-ffff989e8a0f9800.statahead_max=0 1001 real 0m20.159s user 0m0.036s sys 0m2.839s 'ls -l' 1000 files without statahead: 20 sec llite.lustre-ffff989e8a0f9800.statahead_max=2048 llite.lustre-ffff989e8a0f9800.statahead_max=2048 1001 real 0m4.583s user 0m0.026s sys 0m1.262s '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: 11080 miss_total: 20 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 18 seconds llite.lustre-ffff989e8a0f9800.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11080 miss_total: 20 mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.batch_stats= snapshot_time: 1789550915.844831413 secs.nsecs start_time: 1789550567.416016740 secs.nsecs elapsed_time: 348.428814673 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 780 (time 1789550928.16 total 10.01 last 77.93) - open/close 1596 (time 1789550938.17 total 20.02 last 81.55) - open/close 2415 (time 1789550948.17 total 30.02 last 81.89) - open/close 3320 (time 1789550958.17 total 40.02 last 90.47) - open/close 4143 (time 1789550968.17 total 50.02 last 82.29) - open/close 4962 (time 1789550978.18 total 60.03 last 81.84) - open/close 5780 (time 1789550988.19 total 70.04 last 81.71) - open/close 6617 (time 1789550998.19 total 80.04 last 83.70) - open/close 7395 (time 1789551008.19 total 90.04 last 77.77) - open/close 8107 (time 1789551018.20 total 100.05 last 71.16) - open/close 8895 (time 1789551028.21 total 110.06 last 78.73) - open/close 9648 (time 1789551038.21 total 120.06 last 75.26) total: 10000 open/close in 125.45 seconds: 79.71 ops/second llite.lustre-ffff989e8a0f9800.statahead_batch_max=0 llite.lustre-ffff989e8a0f9800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m51.304s user 0m0.377s sys 0m16.353s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff989e8a0f9800.statahead_batch_max=256 llite.lustre-ffff989e8a0f9800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m36.936s user 0m0.309s sys 0m16.344s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff989e8a0f9800.batch_stats= snapshot_time: 1789551148.288230526 secs.nsecs start_time: 1789551102.557230380 secs.nsecs elapsed_time: 45.731000146 secs.nsecs subreqs per batch batches %% cum %% 1: 214 55 55 2: 51 13 69 4: 33 8 77 8: 19 4 82 16: 13 3 86 32: 13 3 89 64: 5 1 90 128: 1 0 91 256: 34 8 100 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-ffff989e8a0f9800.statahead_batch_max=64 llite.lustre-ffff989e8a0f9800.statahead_max=128