== sanity test 124b: lru resize (performance test) ================================================================================= 16:04:05 (1784232245)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3070 (time 1784232257.96 total 10.00 last 307.00)
 - open/close 6190 (time 1784232267.96 total 20.00 last 311.91)
total: 8000 open/close in 26.29 seconds: 304.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 400
400
 - unlinked 0 (time 1784232351 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3262 (time 1784232375.37 total 10.00 last 326.18)
 - open/close 6349 (time 1784232385.37 total 20.00 last 308.69)
total: 8000 open/close in 26.64 seconds: 300.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 4052
3955
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1784232448 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second