== sanity test 124b: lru resize (performance test) ================================================================================= 22:25:03 (1746152703)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1423 (time 1746152715.88 total 10.01 last 142.10)
 - open/close 2849 (time 1746152725.88 total 20.02 last 142.58)
 - open/close 4411 (time 1746152735.88 total 30.02 last 156.14)
 - open/close 5873 (time 1746152745.89 total 40.02 last 146.14)
 - open/close 7293 (time 1746152755.89 total 50.03 last 141.97)
total: 8000 open/close in 54.97 seconds: 145.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 400
 - unlinked 0 (time 1746152857 ; total 0 ; last 0)
total: 8000 unlinks in 53 seconds: 150.943390 unlinks/second
 - open/close 1391 (time 1746152922.48 total 10.00 last 139.04)
 - open/close 2796 (time 1746152932.49 total 20.01 last 140.48)
 - open/close 4528 (time 1746152942.49 total 30.01 last 173.16)
 - open/close 6031 (time 1746152952.49 total 40.01 last 150.25)
 - open/close 7569 (time 1746152962.49 total 50.01 last 153.77)
total: 8000 open/close in 52.62 seconds: 152.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 38 seconds
lru_size = 8005
ls -la is 58% faster with lru resize enabled
 - unlinked 0 (time 1746153011 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second