== sanity test 124b: lru resize (performance test) ================================================================================= 03:11:00 (1733645460)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4149 (time 1733645472.11 total 10.00 last 414.88)
total: 8000 open/close in 18.67 seconds: 428.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 62 seconds
lru_size = 400
 - unlinked 0 (time 1733645544 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
 - open/close 5356 (time 1733645570.85 total 10.00 last 535.59)
total: 8000 open/close in 15.43 seconds: 518.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 8005
ls -la is 85% faster with lru resize enabled
 - unlinked 0 (time 1733645590 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second