== sanity test 124b: lru resize (performance test) ================================================================================= 01:27:32 (1746077252)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1872 (time 1746077263.59 total 10.00 last 187.19)
 - open/close 3562 (time 1746077273.59 total 20.01 last 168.89)
 - open/close 5293 (time 1746077283.60 total 30.01 last 173.08)
 - open/close 7137 (time 1746077293.60 total 40.01 last 184.36)
total: 8000 open/close in 44.00 seconds: 181.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 126 seconds
lru_size = 400
 - unlinked 0 (time 1746077426 ; total 0 ; last 0)
total: 8000 unlinks in 50 seconds: 160.000000 unlinks/second
 - open/close 1612 (time 1746077488.23 total 10.01 last 161.10)
 - open/close 3268 (time 1746077498.23 total 20.01 last 165.56)
 - open/close 4959 (time 1746077508.24 total 30.01 last 169.03)
 - open/close 6661 (time 1746077518.24 total 40.01 last 170.20)
total: 8000 open/close in 48.80 seconds: 163.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 32 seconds
lru_size = 8005
ls -la is 74% faster with lru resize enabled
 - unlinked 0 (time 1746077568 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second