== sanity test 124b: lru resize (performance test) ================================================================================= 06:24:54 (1715336694)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b6ce3000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800b6ce3000.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3397 (time 1715336705.92 total 10.00 last 339.68)
 - open/close 7512 (time 1715336715.92 total 20.00 last 411.46)
total: 8000 open/close in 21.23 seconds: 376.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 60 seconds
lru_size = 400
400
 - unlinked 0 (time 1715336780 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b6ce3000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800b6ce3000.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2765 (time 1715336814.09 total 10.00 last 276.48)
 - open/close 5793 (time 1715336824.09 total 20.00 last 302.76)
total: 8000 open/close in 28.66 seconds: 279.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4052
3955
ls -la is 83% faster with lru resize enabled
 - unlinked 0 (time 1715336846 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second