== sanity test 123ad: Verify batching statahead works correctly ========================================================== 07:31:58 (1788003118) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats=0 llite.lustre-ffff958650443000.statahead_max=32 llite.lustre-ffff958650443000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats=0 total: 100 open/close in 0.55 seconds: 180.76 ops/second llite.lustre-ffff958650443000.statahead_max=0 101 real 0m0.504s user 0m0.004s sys 0m0.181s 'ls -l' 100 files without statahead: 1 sec llite.lustre-ffff958650443000.statahead_max=32 llite.lustre-ffff958650443000.statahead_max=32 101 real 0m0.431s user 0m0.002s sys 0m0.181s 'ls -l' 100 files with statahead: 1 sec statahead total: 101 statahead wrong: 2 agl total: 96 list_total: 30 fname_total: 71 hit_total: 3600 miss_total: 1298 swrong=2 ewrong=2 total: 900 open/close in 2.19 seconds: 410.33 ops/second llite.lustre-ffff958650443000.statahead_max=0 1001 real 0m6.070s user 0m0.024s sys 0m2.214s 'ls -l' 1000 files without statahead: 6 sec llite.lustre-ffff958650443000.statahead_max=32 llite.lustre-ffff958650443000.statahead_max=32 1001 real 0m3.524s user 0m0.022s sys 0m1.863s 'ls -l' 1000 files with statahead: 4 sec statahead total: 102 statahead wrong: 2 agl total: 97 list_total: 31 fname_total: 71 hit_total: 4599 miss_total: 1299 swrong=2 ewrong=2 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 7 seconds llite.lustre-ffff958650443000.statahead_stats= statahead total: 102 statahead wrong: 2 agl total: 97 list_total: 31 fname_total: 71 hit_total: 4599 miss_total: 1299 mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats= snapshot_time: 1788003145.892790962 secs.nsecs start_time: 1788003120.219303916 secs.nsecs elapsed_time: 25.673487046 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 1 2 2 8: 2 5 7 16: 2 5 12 32: 34 87 100 - open/close 4219 (time 1788003156.75 total 10.00 last 421.86) - open/close 8412 (time 1788003166.75 total 20.00 last 419.28) total: 10000 open/close in 23.95 seconds: 417.61 ops/second llite.lustre-ffff958650443000.statahead_batch_max=0 llite.lustre-ffff958650443000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff958650443000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m31.316s user 0m0.170s sys 0m29.667s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff958650443000.statahead_batch_max=32 llite.lustre-ffff958650443000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff958650443000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m32.252s user 0m0.156s sys 0m18.023s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats= snapshot_time: 1788003241.104004334 secs.nsecs start_time: 1788003204.848123163 secs.nsecs elapsed_time: 36.255881171 secs.nsecs subreqs per batch batches %% cum %% 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 1 0 0 16: 2 0 0 32: 312 99 100 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats=0 llite.lustre-ffff958650443000.statahead_max=2048 llite.lustre-ffff958650443000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats=0 total: 100 open/close in 0.64 seconds: 155.27 ops/second llite.lustre-ffff958650443000.statahead_max=0 101 real 0m0.542s user 0m0.001s sys 0m0.202s 'ls -l' 100 files without statahead: 0 sec llite.lustre-ffff958650443000.statahead_max=2048 llite.lustre-ffff958650443000.statahead_max=2048 101 real 0m0.336s user 0m0.001s sys 0m0.213s '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: 10098 miss_total: 2 swrong=0 ewrong=0 total: 900 open/close in 1.90 seconds: 474.04 ops/second llite.lustre-ffff958650443000.statahead_max=0 1001 real 0m5.885s user 0m0.031s sys 0m2.143s 'ls -l' 1000 files without statahead: 6 sec llite.lustre-ffff958650443000.statahead_max=2048 llite.lustre-ffff958650443000.statahead_max=2048 1001 real 0m3.404s user 0m0.016s sys 0m1.983s 'ls -l' 1000 files with statahead: 3 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 3 swrong=0 ewrong=0 'ls -l' done unlink + rm -r /mnt/lustre/d123ad.sanity: 7 seconds llite.lustre-ffff958650443000.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 3 mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats= snapshot_time: 1788003345.716555227 secs.nsecs start_time: 1788003241.924743480 secs.nsecs elapsed_time: 103.791811747 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 3951 (time 1788003356.49 total 10.00 last 395.09) - open/close 8156 (time 1788003366.49 total 20.00 last 420.43) total: 10000 open/close in 24.32 seconds: 411.22 ops/second llite.lustre-ffff958650443000.statahead_batch_max=0 llite.lustre-ffff958650443000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff958650443000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m28.780s user 0m0.170s sys 0m24.175s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff958650443000.statahead_batch_max=256 llite.lustre-ffff958650443000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff958650443000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m25.108s user 0m0.166s sys 0m19.216s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff958650443000.batch_stats= snapshot_time: 1788003431.539457212 secs.nsecs start_time: 1788003402.071107489 secs.nsecs elapsed_time: 29.468349723 secs.nsecs subreqs per batch batches %% cum %% 1: 203 65 65 2: 31 10 75 4: 9 2 78 8: 3 0 79 16: 4 1 80 32: 21 6 87 64: 2 0 88 128: 1 0 88 256: 35 11 100 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-ffff958650443000.statahead_batch_max=64 llite.lustre-ffff958650443000.statahead_max=128