== sanity test 124b: lru resize (performance test) ================================================================================= 17:07:32 (1746133652)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1605 (time 1746133663.68 total 10.00 last 160.44)
 - open/close 3033 (time 1746133673.68 total 20.01 last 142.76)
 - open/close 4734 (time 1746133683.68 total 30.01 last 170.04)
 - open/close 6753 (time 1746133693.69 total 40.02 last 201.78)
total: 8000 open/close in 48.19 seconds: 166.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 110 seconds
lru_size = 400
 - unlinked 0 (time 1746133814 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
 - open/close 2748 (time 1746133856.88 total 10.00 last 274.75)
 - open/close 4938 (time 1746133866.88 total 20.00 last 218.93)
 - open/close 7150 (time 1746133876.88 total 30.01 last 221.13)
total: 8000 open/close in 35.59 seconds: 224.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 25 seconds
lru_size = 8006
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1746133915 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second