== sanity test 123ad: Verify batching statahead works correctly ========================================================== 13:43:28 (1752515008) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats=0 llite.lustre-ffff945b11619800.statahead_max=32 llite.lustre-ffff945b11619800.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats=0 total: 100 open/close in 2.30 seconds: 43.47 ops/second llite.lustre-ffff945b11619800.statahead_max=0 101 real 0m2.266s user 0m0.005s sys 0m0.293s ls -l 100 files without statahead: 3 sec llite.lustre-ffff945b11619800.statahead_max=32 32 101 real 0m0.861s user 0m0.004s sys 0m0.138s ls -l 100 files with statahead: 1 sec statahead total: 90 statahead wrong: 2 agl total: 85 list_total: 31 fname_total: 59 hit_total: 33581 miss_total: 588 - open/close 702 (time 1752515033.63 total 10.00 last 70.18) total: 900 open/close in 12.78 seconds: 70.41 ops/second llite.lustre-ffff945b11619800.statahead_max=0 1001 real 0m20.402s user 0m0.034s sys 0m2.808s ls -l 1000 files without statahead: 21 sec llite.lustre-ffff945b11619800.statahead_max=32 32 1001 real 0m8.934s user 0m0.022s sys 0m1.283s ls -l 1000 files with statahead: 9 sec statahead total: 91 statahead wrong: 2 agl total: 86 list_total: 32 fname_total: 59 hit_total: 34576 miss_total: 593 ls -l done rm -r /mnt/lustre/d123ad.sanity: 17 seconds llite.lustre-ffff945b11619800.statahead_stats= statahead total: 91 statahead wrong: 2 agl total: 86 list_total: 32 fname_total: 59 hit_total: 34576 miss_total: 593 mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats= snapshot_time: 1752515094.830341600 secs.nsecs start_time: 1752515012.183116388 secs.nsecs elapsed_time: 82.647225212 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 2 5 5 16: 3 7 12 32: 34 87 100 - open/close 757 (time 1752515106.72 total 10.01 last 75.64) - open/close 1612 (time 1752515116.73 total 20.02 last 85.37) - open/close 2453 (time 1752515126.74 total 30.03 last 84.05) - open/close 3194 (time 1752515136.75 total 40.04 last 74.05) - open/close 3960 (time 1752515146.75 total 50.04 last 76.55) - open/close 4770 (time 1752515156.76 total 60.05 last 80.93) - open/close 5542 (time 1752515166.77 total 70.06 last 77.15) - open/close 6298 (time 1752515176.77 total 80.06 last 75.56) - open/close 7107 (time 1752515186.78 total 90.07 last 80.87) - open/close 7865 (time 1752515196.79 total 100.08 last 75.69) - open/close 8629 (time 1752515206.79 total 110.09 last 76.37) - open/close 9429 (time 1752515216.81 total 120.10 last 79.91) total: 10000 open/close in 128.00 seconds: 78.13 ops/second llite.lustre-ffff945b11619800.statahead_batch_max=0 llite.lustre-ffff945b11619800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff945b11619800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m55.483s user 0m0.258s sys 0m14.703s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff945b11619800.statahead_batch_max=32 llite.lustre-ffff945b11619800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff945b11619800.stats=clear ls -l files in d123ad.sanity: 10001 real 1m18.183s user 0m0.265s sys 0m12.453s batched statahead RPC= hit count=9937 mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats= snapshot_time: 1752515374.076798796 secs.nsecs start_time: 1752515288.324169430 secs.nsecs elapsed_time: 85.752629366 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: 314 99 100 batch: statahead_max=2048 statahead_batch_max=256 mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats=0 llite.lustre-ffff945b11619800.statahead_max=2048 llite.lustre-ffff945b11619800.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats=0 total: 100 open/close in 2.11 seconds: 47.34 ops/second llite.lustre-ffff945b11619800.statahead_max=0 101 real 0m2.024s user 0m0.002s sys 0m0.302s ls -l 100 files without statahead: 2 sec llite.lustre-ffff945b11619800.statahead_max=2048 2048 101 real 0m0.492s user 0m0.002s sys 0m0.154s 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: 10036 miss_total: 64 - open/close 765 (time 1752515636.11 total 10.00 last 76.47) total: 900 open/close in 12.06 seconds: 74.60 ops/second llite.lustre-ffff945b11619800.statahead_max=0 1001 real 0m21.839s user 0m0.020s sys 0m2.780s ls -l 1000 files without statahead: 22 sec llite.lustre-ffff945b11619800.statahead_max=2048 2048 1001 real 0m4.824s user 0m0.019s sys 0m1.275s 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: 11035 miss_total: 65 ls -l done rm -r /mnt/lustre/d123ad.sanity: 16 seconds llite.lustre-ffff945b11619800.statahead_stats= statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11035 miss_total: 65 mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats= snapshot_time: 1752515691.618327298 secs.nsecs start_time: 1752515376.964901063 secs.nsecs elapsed_time: 314.653426235 secs.nsecs subreqs per batch batches % cum % 1: 0 0 0 2: 0 0 0 4: 0 0 0 8: 2 20 20 16: 2 20 40 32: 1 10 50 64: 0 0 50 128: 1 10 60 256: 4 40 100 - open/close 952 (time 1752515703.47 total 10.01 last 95.13) - open/close 1822 (time 1752515713.48 total 20.02 last 86.94) - open/close 2758 (time 1752515723.48 total 30.02 last 93.60) - open/close 3698 (time 1752515733.48 total 40.02 last 93.99) - open/close 4514 (time 1752515743.49 total 50.03 last 81.51) - open/close 5284 (time 1752515753.50 total 60.03 last 76.96) - open/close 6087 (time 1752515763.51 total 70.04 last 80.21) - open/close 6861 (time 1752515773.52 total 80.05 last 77.33) - open/close 7694 (time 1752515783.52 total 90.06 last 83.26) - open/close 8538 (time 1752515793.53 total 100.07 last 84.33) - open/close 9380 (time 1752515803.53 total 110.07 last 84.18) total: 10000 open/close in 118.19 seconds: 84.61 ops/second llite.lustre-ffff945b11619800.statahead_batch_max=0 llite.lustre-ffff945b11619800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff945b11619800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m43.243s user 0m0.289s sys 0m17.365s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff945b11619800.statahead_batch_max=256 llite.lustre-ffff945b11619800.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff945b11619800.stats=clear ls -l files in d123ad.sanity: 10001 real 0m37.333s user 0m0.254s sys 0m14.784s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff945b11619800.batch_stats= snapshot_time: 1752515905.159332771 secs.nsecs start_time: 1752515860.200731729 secs.nsecs elapsed_time: 44.958601042 secs.nsecs subreqs per batch batches % cum % 1: 143 45 45 2: 37 11 56 4: 46 14 71 8: 21 6 77 16: 12 3 81 32: 19 5 87 64: 5 1 89 128: 0 0 89 256: 34 10 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff945b11619800.statahead_batch_max=64 llite.lustre-ffff945b11619800.statahead_max=128