== sanity test 124b: lru resize (performance test) ================================================================================= 21:59:43 (1713405583)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a9693000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a9693000.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3647 (time 1713405594.96 total 10.00 last 364.69)
 - open/close 6129 (time 1713405604.97 total 20.00 last 248.11)
total: 8000 open/close in 27.86 seconds: 287.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 400
400
 - unlinked 0 (time 1713405686 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a9693000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a9693000.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2508 (time 1713405728.27 total 10.00 last 250.74)
 - open/close 4928 (time 1713405738.27 total 20.00 last 241.95)
 - open/close 7329 (time 1713405748.27 total 30.00 last 240.09)
total: 8000 open/close in 31.47 seconds: 254.18 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 85% faster with lru resize enabled
 - unlinked 0 (time 1713405762 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second