== sanity test 124b: lru resize (performance test) ================================================================================= 05:39:59 (1761125999)
ldlm.namespaces.lustre-MDT0000-mdc-ffff910b071c3800.lru_size=400
 - open/close 855 (time 1761126012.58 total 10.00 last 85.49)
 - open/close 1660 (time 1761126022.58 total 20.01 last 80.44)
 - open/close 2474 (time 1761126032.59 total 30.02 last 81.35)
 - open/close 3235 (time 1761126042.59 total 40.02 last 76.08)
 - open/close 4091 (time 1761126052.60 total 50.02 last 85.56)
 - open/close 4933 (time 1761126062.60 total 60.03 last 84.14)
 - open/close 5758 (time 1761126072.61 total 70.03 last 82.47)
 - open/close 6605 (time 1761126082.62 total 80.05 last 84.60)
 - open/close 7469 (time 1761126092.62 total 90.05 last 86.38)
total: 8000 open/close in 96.47 seconds: 82.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 400
 - unlinked 0 (time 1761126179 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff910b071c3800.lru_size=0
 - open/close 840 (time 1761126287.13 total 10.00 last 83.98)
 - open/close 1728 (time 1761126297.13 total 20.01 last 88.74)
 - open/close 2572 (time 1761126307.14 total 30.02 last 84.33)
 - open/close 3439 (time 1761126317.15 total 40.03 last 86.63)
 - open/close 4244 (time 1761126327.15 total 50.03 last 80.49)
 - open/close 5172 (time 1761126337.16 total 60.04 last 92.69)
 - open/close 6031 (time 1761126347.17 total 70.05 last 85.84)
 - open/close 6901 (time 1761126357.18 total 80.05 last 86.93)
 - open/close 7724 (time 1761126367.18 total 90.06 last 82.27)
total: 8000 open/close in 93.26 seconds: 85.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 31 seconds
lru_size = 8005
ls -la is 56% faster with lru resize enabled
 - unlinked 0 (time 1761126411 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second