== sanity test 123ad: Verify batching statahead works correctly ========================================================== 03:13:06 (1747811586) batch: statahead_max=32 statahead_batch_max=32 mdc.lustre-MDT0000-mdc-ffff8800a8403000.batch_stats=0 llite.lustre-ffff8800a8403000.statahead_max=32 llite.lustre-ffff8800a8403000.statahead_batch_max=32 seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff8800a8403000.batch_stats=0 total: 100 open/close in 1.29 seconds: 77.23 ops/second llite.lustre-ffff8800a8403000.statahead_max=0 101 real 0m1.148s user 0m0.000s sys 0m0.306s ls -l 100 files without statahead: 2 sec llite.lustre-ffff8800a8403000.statahead_max=32 32 101 real 0m0.352s user 0m0.006s sys 0m0.119s ls -l 100 files with statahead: 1 sec statahead total: 49 statahead wrong: 1 agl total: 49 list_total: 19 fname_total: 30 hit_total: 11597 miss_total: 218 total: 900 open/close in 5.07 seconds: 177.61 ops/second llite.lustre-ffff8800a8403000.statahead_max=0 1001 real 0m10.260s user 0m0.057s sys 0m2.632s ls -l 1000 files without statahead: 10 sec llite.lustre-ffff8800a8403000.statahead_max=32 32 1001 real 0m2.990s user 0m0.025s sys 0m1.009s ls -l 1000 files with statahead: 3 sec statahead total: 50 statahead wrong: 1 agl total: 50 list_total: 20 fname_total: 30 hit_total: 12596 miss_total: 226 - open/close 1882 (time 1747811624.60 total 10.00 last 188.12) total: 4000 open/close in 19.96 seconds: 200.39 ops/second llite.lustre-ffff8800a8403000.statahead_max=0 5001 real 0m47.426s user 0m0.594s sys 0m12.709s ls -l 5000 files without statahead: 47 sec llite.lustre-ffff8800a8403000.statahead_max=32 32 5001 real 0m13.568s user 0m0.130s sys 0m4.764s ls -l 5000 files with statahead: 14 sec statahead total: 51 statahead wrong: 1 agl total: 51 list_total: 21 fname_total: 30 hit_total: 17595 miss_total: 254 ls -l done rm -r /mnt/lustre/d123ad.sanity: 28 seconds llite.lustre-ffff8800a8403000.statahead_stats= statahead total: 51 statahead wrong: 1 agl total: 51 list_total: 21 fname_total: 30 hit_total: 17595 miss_total: 254 mdc.lustre-MDT0000-mdc-ffff8800a8403000.batch_stats= snapshot_time: 1747811727.449172756 secs.nsecs start_time: 1747811588.453539721 secs.nsecs elapsed_time: 138.995633035 secs.nsecs subreqs per batch batches % cum % 1: 1 0 0 2: 0 0 0 4: 1 0 1 8: 4 2 3 16: 3 1 4 32: 190 95 100 - open/close 3364 (time 1747811738.08 total 10.00 last 336.34) - open/close 6542 (time 1747811748.08 total 20.00 last 317.79) total: 10000 open/close in 29.74 seconds: 336.29 ops/second llite.lustre-ffff8800a8403000.statahead_batch_max=0 llite.lustre-ffff8800a8403000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8800a8403000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m11.561s user 0m0.195s sys 0m8.939s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8800a8403000.statahead_batch_max=32 llite.lustre-ffff8800a8403000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8800a8403000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8800a8403000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m28.724s user 0m0.308s sys 0m9.506s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8800a8403000.batch_stats= snapshot_time: 1747811803.231752833 secs.nsecs start_time: 1747811771.606959782 secs.nsecs elapsed_time: 31.624793051 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-ffff8800a8403000.batch_stats=0 llite.lustre-ffff8800a8403000.statahead_max=2048 llite.lustre-ffff8800a8403000.statahead_batch_max=256 kvm mdc.lustre-MDT0000-mdc-ffff8800a8403000.batch_stats=0 total: 100 open/close in 0.90 seconds: 111.64 ops/second llite.lustre-ffff8800a8403000.statahead_max=0 101 real 0m0.823s user 0m0.000s sys 0m0.263s ls -l 100 files without statahead: 1 sec llite.lustre-ffff8800a8403000.statahead_max=2048 2048 101 real 0m0.332s user 0m0.002s sys 0m0.130s 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: 58 total: 900 open/close in 3.37 seconds: 266.82 ops/second llite.lustre-ffff8800a8403000.statahead_max=0 1001 real 0m9.590s user 0m0.061s sys 0m2.659s ls -l 1000 files without statahead: 9 sec llite.lustre-ffff8800a8403000.statahead_max=2048 2048 1001 real 0m1.326s user 0m0.022s sys 0m0.957s ls -l 1000 files with statahead: 1 sec statahead total: 3 statahead wrong: 0 agl total: 3 list_total: 3 fname_total: 0 hit_total: 11097 miss_total: 59 - open/close 2624 (time 1747811924.87 total 10.00 last 262.34) total: 4000 open/close in 14.66 seconds: 272.82 ops/second llite.lustre-ffff8800a8403000.statahead_max=0 5001 real 0m33.656s user 0m0.249s sys 0m11.092s ls -l 5000 files without statahead: 34 sec llite.lustre-ffff8800a8403000.statahead_max=2048 2048 5001 real 0m5.638s user 0m0.112s sys 0m4.566s ls -l 5000 files with statahead: 5 sec statahead total: 4 statahead wrong: 0 agl total: 4 list_total: 4 fname_total: 0 hit_total: 16096 miss_total: 60 ls -l done rm -r /mnt/lustre/d123ad.sanity: 19 seconds llite.lustre-ffff8800a8403000.statahead_stats= statahead total: 4 statahead wrong: 0 agl total: 4 list_total: 4 fname_total: 0 hit_total: 16096 miss_total: 60 mdc.lustre-MDT0000-mdc-ffff8800a8403000.batch_stats= snapshot_time: 1747811991.831568433 secs.nsecs start_time: 1747811803.717752559 secs.nsecs elapsed_time: 188.113815874 secs.nsecs subreqs per batch batches % cum % 1: 85 56 56 2: 8 5 61 4: 6 3 65 8: 12 7 73 16: 11 7 80 32: 6 3 84 64: 0 0 84 128: 1 0 85 256: 22 14 100 - open/close 5323 (time 1747812002.38 total 10.00 last 532.24) total: 10000 open/close in 19.05 seconds: 524.81 ops/second llite.lustre-ffff8800a8403000.statahead_batch_max=0 llite.lustre-ffff8800a8403000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8800a8403000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m9.978s user 0m0.207s sys 0m8.844s unbatched statahead RPC=10004 hit count=9999 llite.lustre-ffff8800a8403000.statahead_batch_max=256 llite.lustre-ffff8800a8403000.statahead_stats=clear mdc.lustre-MDT0000-mdc-ffff8800a8403000.batch_stats=clear mdc.lustre-MDT0000-mdc-ffff8800a8403000.stats=clear ls -l files in d123ad.sanity: 10001 real 0m11.063s user 0m0.224s sys 0m9.261s batched statahead RPC= hit count=9999 mdc.lustre-MDT0000-mdc-ffff8800a8403000.batch_stats= snapshot_time: 1747812036.770566387 secs.nsecs start_time: 1747812023.355313870 secs.nsecs elapsed_time: 13.415252517 secs.nsecs subreqs per batch batches % cum % 1: 185 63 63 2: 15 5 68 4: 14 4 73 8: 5 1 75 16: 22 7 82 32: 14 4 87 64: 0 0 87 128: 0 0 87 256: 36 12 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536 llite.lustre-ffff8800a8403000.statahead_batch_max=64 llite.lustre-ffff8800a8403000.statahead_max=128