== sanity test 124b: lru resize (performance test) ================================================================================= 17:51:52 (1743457912)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 5430 (time 1743457923.31 total 10.00 last 542.95)
total: 8000 open/close in 15.01 seconds: 532.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 400
400
 - unlinked 0 (time 1743457977 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5465 (time 1743457997.51 total 10.00 last 546.44)
total: 8000 open/close in 15.30 seconds: 522.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4052
3955
ls -la is 76% faster with lru resize enabled
 - unlinked 0 (time 1743458018 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second