== sanity test 124b: lru resize (performance test) ================================================================================= 05:17:59 (1753435079)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1252 (time 1753435091.50 total 10.00 last 125.14)
 - open/close 2682 (time 1753435101.50 total 20.01 last 143.00)
 - open/close 3998 (time 1753435111.50 total 30.01 last 131.52)
 - open/close 5300 (time 1753435121.50 total 40.01 last 130.19)
 - open/close 6851 (time 1753435131.51 total 50.02 last 155.00)
total: 8000 open/close in 58.48 seconds: 136.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 400
 - unlinked 0 (time 1753435223 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
 - open/close 2557 (time 1753435253.24 total 10.00 last 255.67)
 - open/close 4711 (time 1753435263.25 total 20.00 last 215.35)
 - open/close 6831 (time 1753435273.26 total 30.01 last 211.82)
total: 8000 open/close in 35.95 seconds: 222.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1753435332 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second