== sanity test 124b: lru resize (performance test) ================================================================================= 18:27:00 (1746138420)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1836 (time 1746138432.35 total 10.00 last 183.54)
 - open/close 3810 (time 1746138442.35 total 20.01 last 197.34)
 - open/close 5830 (time 1746138452.35 total 30.01 last 201.97)
 - open/close 7519 (time 1746138462.35 total 40.01 last 168.89)
total: 8000 open/close in 43.53 seconds: 183.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 131 seconds
lru_size = 400
 - unlinked 0 (time 1746138601 ; total 0 ; last 0)
total: 8000 unlinks in 35 seconds: 228.571426 unlinks/second
 - open/close 1855 (time 1746138647.83 total 10.00 last 185.46)
 - open/close 3848 (time 1746138657.84 total 20.00 last 199.25)
 - open/close 5526 (time 1746138667.84 total 30.01 last 167.76)
 - open/close 7277 (time 1746138677.84 total 40.01 last 175.09)
total: 8000 open/close in 44.18 seconds: 181.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 35 seconds
lru_size = 8005
ls -la is 73% faster with lru resize enabled
 - unlinked 0 (time 1746138726 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second