== sanity test 123ad: Verify batching statahead works correctly ========================================================== 10:15:25 (1788531325) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.batch_stats=0 llite.lustre-ffff8be9c5ebb800.statahead_max=32 llite.lustre-ffff8be9c5ebb800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.batch_stats=0 striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ad.sanity total: 100 open/close in 2.62 seconds: 38.13 ops/second llite.lustre-ffff8be9c5ebb800.statahead_max=0 101 real 0m2.199s user 0m0.001s sys 0m0.309s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff8be9c5ebb800.statahead_max=32 llite.lustre-ffff8be9c5ebb800.statahead_max=32 101 real 0m0.845s user 0m0.003s sys 0m0.182s 'ls -l' 100 files with statahead: 1 sec statahead total: 116 statahead wrong: 2 agl total: 110 list_total: 30 fname_total: 84 hit_total: 4149 miss_total: 1274 swrong=2 ewrong=2 - open/close 718 (time 1788531351.94 total 10.00 last 71.78) total: 900 open/close in 12.40 seconds: 72.58 ops/second llite.lustre-ffff8be9c5ebb800.statahead_max=0 1001 real 0m21.537s user 0m0.031s sys 0m2.884s 'ls -l' 1000 files without statahead: 22 sec llite.lustre-ffff8be9c5ebb800.statahead_max=32 llite.lustre-ffff8be9c5ebb800.statahead_max=32 1001 real 0m8.211s user 0m0.027s sys 0m1.448s 'ls -l' 1000 files with statahead: 8 sec statahead total: 117 statahead wrong: 2 agl total: 111 list_total: 31 fname_total: 84 hit_total: 5147 miss_total: 1276 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 18 seconds llite.lustre-ffff8be9c5ebb800.statahead_stats= statahead total: 117 statahead wrong: 2 agl total: 111 list_total: 31 fname_total: 84 hit_total: 5147 miss_total: 1276 mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.batch_stats= snapshot_time: 1788531413.298693473 secs.nsecs start_time: 1788531329.520256934 secs.nsecs elapsed_time: 83.778436539 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 3 7 7 4: 1 2 10 8: 2 5 15 16: 20 51 66 32: 13 33 100 mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.batch_stats= snapshot_time: 1788531413.298765975 secs.nsecs start_time: 1788531329.520332597 secs.nsecs elapsed_time: 83.778433378 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 2 5 5 8: 4 10 15 16: 21 53 69 32: 12 30 100 - open/close 747 (time 1788531425.56 total 10.01 last 74.62) - open/close 1520 (time 1788531435.57 total 20.02 last 77.27) - open/close 2329 (time 1788531445.58 total 30.02 last 80.83) - open/close 3110 (time 1788531455.59 total 40.03 last 78.03) - open/close 3886 (time 1788531465.59 total 50.04 last 77.57) - open/close 4673 (time 1788531475.60 total 60.04 last 78.63) - open/close 5475 (time 1788531485.60 total 70.05 last 80.15) - open/close 6242 (time 1788531495.61 total 80.06 last 76.63) - open/close 7051 (time 1788531505.62 total 90.07 last 80.81) - open/close 7752 (time 1788531515.63 total 100.08 last 70.05) - open/close 8426 (time 1788531525.64 total 110.09 last 67.32) - open/close 9085 (time 1788531535.65 total 120.10 last 65.84) - open/close 9714 (time 1788531545.66 total 130.10 last 62.88) total: 10000 open/close in 134.83 seconds: 74.17 ops/second llite.lustre-ffff8be9c5ebb800.statahead_batch_max=0 llite.lustre-ffff8be9c5ebb800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.stats=clear mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m55.211s user 0m0.322s sys 0m15.845s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8be9c5ebb800.statahead_batch_max=32 llite.lustre-ffff8be9c5ebb800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.stats=clear mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m44.813s user 0m0.317s sys 0m14.147s batched statahead RPC= hit count=9986 mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.batch_stats= snapshot_time: 1788531729.151852359 secs.nsecs start_time: 1788531613.261300812 secs.nsecs elapsed_time: 115.890551547 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-ffff8be9c5ebb800.batch_stats= snapshot_time: 1788531729.152064289 secs.nsecs start_time: 1788531613.267569374 secs.nsecs elapsed_time: 115.884494915 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.batch_stats=0 llite.lustre-ffff8be9c5ebb800.statahead_max=2048 llite.lustre-ffff8be9c5ebb800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.batch_stats=0 striped dir -i1 -c2 -H crush /mnt/lustre/d123ad.sanity total: 100 open/close in 2.83 seconds: 35.30 ops/second llite.lustre-ffff8be9c5ebb800.statahead_max=0 101 real 0m2.733s user 0m0.008s sys 0m0.359s 'ls -l' 100 files without statahead: 2 sec llite.lustre-ffff8be9c5ebb800.statahead_max=2048 llite.lustre-ffff8be9c5ebb800.statahead_max=2048 101 real 0m0.847s user 0m0.003s sys 0m0.178s '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 675 (time 1788532032.42 total 10.00 last 67.48) total: 900 open/close in 13.19 seconds: 68.24 ops/second llite.lustre-ffff8be9c5ebb800.statahead_max=0 1001 real 0m20.906s user 0m0.039s sys 0m3.000s 'ls -l' 1000 files without statahead: 21 sec llite.lustre-ffff8be9c5ebb800.statahead_max=2048 llite.lustre-ffff8be9c5ebb800.statahead_max=2048 1001 real 0m5.937s user 0m0.035s sys 0m1.675s '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: 20 seconds llite.lustre-ffff8be9c5ebb800.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-ffff8be9c5ebb800.batch_stats= snapshot_time: 1788532094.085816057 secs.nsecs start_time: 1788531731.487627723 secs.nsecs elapsed_time: 362.598188334 secs.nsecs subreqs per batch batches %% cum %% 1: 1 16 16 2: 0 0 16 4: 1 16 33 8: 1 16 50 16: 0 0 50 32: 1 16 66 64: 0 0 66 128: 0 0 66 256: 2 33 100 mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.batch_stats= snapshot_time: 1788532094.086233706 secs.nsecs start_time: 1788531731.488181654 secs.nsecs elapsed_time: 362.598052052 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 1 11 11 8: 3 33 44 16: 1 11 55 32: 1 11 66 64: 0 0 66 128: 1 11 77 256: 2 22 100 - open/close 701 (time 1788532106.67 total 10.01 last 70.02) - open/close 1409 (time 1788532116.67 total 20.01 last 70.79) - open/close 2226 (time 1788532126.67 total 30.02 last 81.65) - open/close 3011 (time 1788532136.68 total 40.02 last 78.44) - open/close 3748 (time 1788532146.69 total 50.03 last 73.63) - open/close 4498 (time 1788532156.70 total 60.04 last 74.94) - open/close 5229 (time 1788532166.70 total 70.04 last 73.10) - open/close 6001 (time 1788532176.70 total 80.05 last 77.18) - open/close 6705 (time 1788532186.70 total 90.05 last 70.39) - open/close 7584 (time 1788532196.71 total 100.05 last 87.83) - open/close 8288 (time 1788532206.72 total 110.06 last 70.35) - open/close 9011 (time 1788532216.72 total 120.06 last 72.30) - open/close 9835 (time 1788532226.73 total 130.07 last 82.30) total: 10000 open/close in 132.43 seconds: 75.51 ops/second llite.lustre-ffff8be9c5ebb800.statahead_batch_max=0 llite.lustre-ffff8be9c5ebb800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.stats=clear mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m55.226s user 0m0.307s sys 0m15.756s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8be9c5ebb800.statahead_batch_max=256 llite.lustre-ffff8be9c5ebb800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.stats=clear mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m47.417s user 0m0.296s sys 0m15.374s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8be9c5ebb800.batch_stats= snapshot_time: 1788532350.682514446 secs.nsecs start_time: 1788532292.197389105 secs.nsecs elapsed_time: 58.485125341 secs.nsecs subreqs per batch batches %% cum %% 1: 172 52 52 2: 34 10 63 4: 38 11 74 8: 18 5 80 16: 6 1 82 32: 16 4 87 64: 8 2 89 128: 0 0 89 256: 34 10 100 mdc.lustre-MDT0001-mdc-ffff8be9c5ebb800.batch_stats= snapshot_time: 1788532350.682591896 secs.nsecs start_time: 1788532292.197505730 secs.nsecs elapsed_time: 58.485086166 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-ffff8be9c5ebb800.statahead_batch_max=64 llite.lustre-ffff8be9c5ebb800.statahead_max=128