== sanity test 123ad: Verify batching statahead works correctly ========================================================== 16:11:53 (1780344713) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff9b9305929800.batch_stats=0 llite.lustre-ffff9b9305929800.statahead_max=32 llite.lustre-ffff9b9305929800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff9b9305929800.batch_stats=0 striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ad.sanity total: 100 open/close in 0.80 seconds: 124.76 ops/second llite.lustre-ffff9b9305929800.statahead_max=0 101 real 0m0.657s user 0m0.004s sys 0m0.251s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff9b9305929800.statahead_max=32 llite.lustre-ffff9b9305929800.statahead_max=32 101 real 0m0.377s user 0m0.004s sys 0m0.211s 'ls -l' 100 files with statahead: 0 sec statahead total: 147 statahead wrong: 2 agl total: 139 list_total: 32 fname_total: 101 hit_total: 4118 miss_total: 1465 swrong=2 ewrong=2 total: 900 open/close in 2.39 seconds: 376.99 ops/second llite.lustre-ffff9b9305929800.statahead_max=0 1001 real 0m7.044s user 0m0.035s sys 0m2.524s 'ls -l' 1000 files without statahead: 7 sec llite.lustre-ffff9b9305929800.statahead_max=32 llite.lustre-ffff9b9305929800.statahead_max=32 1001 real 0m3.807s user 0m0.020s sys 0m1.713s 'ls -l' 1000 files with statahead: 3 sec statahead total: 148 statahead wrong: 2 agl total: 140 list_total: 33 fname_total: 101 hit_total: 5117 miss_total: 1466 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 6 seconds llite.lustre-ffff9b9305929800.statahead_stats= statahead total: 148 statahead wrong: 2 agl total: 140 list_total: 33 fname_total: 101 hit_total: 5117 miss_total: 1466 mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats= snapshot_time: 1780344742.164347007 secs.nsecs start_time: 1780344714.862070801 secs.nsecs elapsed_time: 27.302276206 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 5 12 12 8: 1 2 15 16: 18 46 61 32: 15 38 100 mdc.lustre-MDT0001-mdc-ffff9b9305929800.batch_stats= snapshot_time: 1780344742.164446387 secs.nsecs start_time: 1780344714.862127321 secs.nsecs elapsed_time: 27.302319066 secs.nsecs subreqs per batch batches % cum % 1: 1 2 2 2: 0 0 2 4: 1 2 5 8: 5 12 17 16: 17 43 61 32: 15 38 100 - open/close 3851 (time 1780344753.27 total 10.00 last 385.07) - open/close 6929 (time 1780344763.27 total 20.00 last 307.76) - open/close 9521 (time 1780344773.27 total 30.00 last 259.13) total: 10000 open/close in 31.80 seconds: 314.48 ops/second llite.lustre-ffff9b9305929800.statahead_batch_max=0 llite.lustre-ffff9b9305929800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9b9305929800.stats=clear mdc.lustre-MDT0001-mdc-ffff9b9305929800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m31.034s user 0m0.236s sys 0m27.251s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff9b9305929800.statahead_batch_max=32 llite.lustre-ffff9b9305929800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff9b9305929800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff9b9305929800.stats=clear mdc.lustre-MDT0001-mdc-ffff9b9305929800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m42.650s user 0m0.199s sys 0m17.026s batched statahead RPC= hit count=9983 mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats= snapshot_time: 1780344858.853118714 secs.nsecs start_time: 1780344809.693873837 secs.nsecs elapsed_time: 49.159244877 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-ffff9b9305929800.batch_stats= snapshot_time: 1780344858.853177927 secs.nsecs start_time: 1780344809.693942052 secs.nsecs elapsed_time: 49.159235875 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff9b9305929800.batch_stats=0 llite.lustre-ffff9b9305929800.statahead_max=2048 llite.lustre-ffff9b9305929800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff9b9305929800.batch_stats=0 striped dir -i1 -c2 -H crush2 /mnt/lustre/d123ad.sanity total: 100 open/close in 1.04 seconds: 96.56 ops/second llite.lustre-ffff9b9305929800.statahead_max=0 101 real 0m0.844s user 0m0.004s sys 0m0.280s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff9b9305929800.statahead_max=2048 llite.lustre-ffff9b9305929800.statahead_max=2048 101 real 0m0.391s user 0m0.001s sys 0m0.203s 'ls -l' 100 files with statahead: 0 sec statahead total: 2 statahead wrong: 0 agl total: 2 list_total: 2 fname_total: 0 hit_total: 10082 miss_total: 18 swrong=0 ewrong=0 total: 900 open/close in 5.90 seconds: 152.59 ops/second llite.lustre-ffff9b9305929800.statahead_max=0 1001 real 0m10.674s user 0m0.035s sys 0m2.782s 'ls -l' 1000 files without statahead: 11 sec llite.lustre-ffff9b9305929800.statahead_max=2048 llite.lustre-ffff9b9305929800.statahead_max=2048 1001 real 0m3.485s user 0m0.019s sys 0m1.489s 'ls -l' 1000 files with statahead: 4 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11081 miss_total: 19 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 8 seconds llite.lustre-ffff9b9305929800.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11081 miss_total: 19 mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats= snapshot_time: 1780345031.152322514 secs.nsecs start_time: 1780344859.836274693 secs.nsecs elapsed_time: 171.316047821 secs.nsecs subreqs per batch batches % cum % 1: 1 16 16 2: 0 0 16 4: 2 33 50 8: 1 16 66 16: 0 0 66 32: 0 0 66 64: 0 0 66 128: 0 0 66 256: 2 33 100 mdc.lustre-MDT0001-mdc-ffff9b9305929800.batch_stats= snapshot_time: 1780345031.152382284 secs.nsecs start_time: 1780344859.836441676 secs.nsecs elapsed_time: 171.315940608 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 2 22 22 8: 1 11 33 16: 2 22 55 32: 0 0 55 64: 2 22 77 128: 0 0 77 256: 2 22 100 - open/close 2293 (time 1780345042.27 total 10.01 last 229.16) - open/close 4467 (time 1780345052.27 total 20.01 last 217.35) - open/close 6722 (time 1780345062.28 total 30.01 last 225.43) - open/close 8517 (time 1780345072.28 total 40.01 last 179.50) total: 10000 open/close in 44.55 seconds: 224.46 ops/second llite.lustre-ffff9b9305929800.statahead_batch_max=0 llite.lustre-ffff9b9305929800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9b9305929800.stats=clear mdc.lustre-MDT0001-mdc-ffff9b9305929800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m30.866s user 0m0.273s sys 0m22.565s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff9b9305929800.statahead_batch_max=256 llite.lustre-ffff9b9305929800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats=clear mdc.lustre-MDT0001-mdc-ffff9b9305929800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff9b9305929800.stats=clear mdc.lustre-MDT0001-mdc-ffff9b9305929800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m29.334s user 0m0.198s sys 0m20.635s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff9b9305929800.batch_stats= snapshot_time: 1780345147.071752404 secs.nsecs start_time: 1780345111.067805178 secs.nsecs elapsed_time: 36.003947226 secs.nsecs subreqs per batch batches % cum % 1: 368 64 64 2: 83 14 78 4: 49 8 87 8: 10 1 89 16: 6 1 90 32: 15 2 92 64: 7 1 94 128: 1 0 94 256: 33 5 100 mdc.lustre-MDT0001-mdc-ffff9b9305929800.batch_stats= snapshot_time: 1780345147.071830681 secs.nsecs start_time: 1780345111.067885789 secs.nsecs elapsed_time: 36.003944892 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-ffff9b9305929800.statahead_batch_max=64 llite.lustre-ffff9b9305929800.statahead_max=128