== sanity test 123ab: verify statahead work by using statx ========================================================== 11:32:47 (1772469167) seq.cli-lustre-OST0000-super.width=0x1ffffff seq.cli-lustre-OST0001-super.width=0x1ffffff kvm mdc.lustre-MDT0000-mdc-ffff944dc7f5a000.batch_stats=0 mdc.lustre-MDT0001-mdc-ffff944dc7f5a000.batch_stats=0 striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity total: 100 open/close in 1.34 seconds: 74.36 ops/second llite.lustre-ffff944dc7f5a000.statahead_max=0 100 real 0m1.116s user 0m0.009s sys 0m0.251s statx -l 100 files without statahead: 1 sec llite.lustre-ffff944dc7f5a000.statahead_max=128 128 100 real 0m0.401s user 0m0.005s sys 0m0.131s statx -l 100 files with statahead: 1 sec statahead total: 92 statahead wrong: 2 agl total: 89 list_total: 31 fname_total: 61 hit_total: 6501 miss_total: 1182 total: 900 open/close in 3.37 seconds: 266.69 ops/second llite.lustre-ffff944dc7f5a000.statahead_max=0 1000 real 0m8.657s user 0m0.078s sys 0m2.441s statx -l 1000 files without statahead: 8 sec llite.lustre-ffff944dc7f5a000.statahead_max=128 128 1000 real 0m2.695s user 0m0.032s sys 0m1.362s statx -l 1000 files with statahead: 3 sec statahead total: 93 statahead wrong: 2 agl total: 90 list_total: 32 fname_total: 61 hit_total: 7500 miss_total: 1182 - open/close 1912 (time 1772469203.60 total 10.01 last 190.93) - open/close 3951 (time 1772469213.60 total 20.02 last 203.86) - open/close 6793 (time 1772469223.61 total 30.02 last 284.07) total: 9000 open/close in 39.25 seconds: 229.32 ops/second llite.lustre-ffff944dc7f5a000.statahead_max=0 10000 real 1m16.799s user 0m0.671s sys 0m22.311s statx -l 10000 files without statahead: 77 sec llite.lustre-ffff944dc7f5a000.statahead_max=128 128 10000 real 0m58.164s user 0m0.547s sys 0m11.451s statx -l 10000 files with statahead: 58 sec statahead total: 94 statahead wrong: 2 agl total: 91 list_total: 33 fname_total: 61 hit_total: 17499 miss_total: 1182 statx -l done rm -r /mnt/lustre/d123ab.sanity: 172 seconds llite.lustre-ffff944dc7f5a000.statahead_stats= statahead total: 94 statahead wrong: 2 agl total: 91 list_total: 33 fname_total: 61 hit_total: 17499 miss_total: 1182 mdc.lustre-MDT0000-mdc-ffff944dc7f5a000.batch_stats= snapshot_time: 1772469556.676038335 secs.nsecs start_time: 1772469169.460881145 secs.nsecs elapsed_time: 387.215157190 secs.nsecs subreqs per batch batches % cum % 1: 34 16 16 2: 9 4 20 4: 4 1 22 8: 5 2 25 16: 2 0 25 32: 52 25 50 64: 102 49 100 mdc.lustre-MDT0001-mdc-ffff944dc7f5a000.batch_stats= snapshot_time: 1772469556.676464089 secs.nsecs start_time: 1772469169.460964366 secs.nsecs elapsed_time: 387.215499723 secs.nsecs subreqs per batch batches % cum % 1: 35 16 16 2: 5 2 19 4: 6 2 22 8: 5 2 24 16: 1 0 25 32: 45 21 47 64: 109 52 100 seq.cli-lustre-OST0000-super.width=65536 seq.cli-lustre-OST0001-super.width=65536