== sanity test 124b: lru resize (performance test) ================================================================================= 14:15:13 (1744049713)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2338 (time 1744049725.31 total 10.00 last 233.73)
 - open/close 4758 (time 1744049735.31 total 20.00 last 241.96)
 - open/close 7429 (time 1744049745.31 total 30.01 last 267.08)
total: 8000 open/close in 32.26 seconds: 247.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 400
 - unlinked 0 (time 1744049846 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second
 - open/close 2689 (time 1744049887.36 total 10.00 last 268.86)
 - open/close 5308 (time 1744049897.36 total 20.00 last 261.82)
 - open/close 7864 (time 1744049907.36 total 30.01 last 255.50)
total: 8000 open/close in 30.58 seconds: 261.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 15 seconds
lru_size = 8008
ls -la is 84% faster with lru resize enabled
 - unlinked 0 (time 1744049929 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second