== sanity test 124b: lru resize (performance test) ================================================================================= 00:01:40 (1735102900)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 5622 (time 1735102911.74 total 10.00 last 562.04)
total: 8000 open/close in 14.89 seconds: 537.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 400
400
 - unlinked 0 (time 1735102962 ; total 0 ; last 0)
total: 8000 unlinks in 7 seconds: 1142.857178 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5832 (time 1735102980.51 total 10.00 last 583.18)
total: 8000 open/close in 13.91 seconds: 575.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4006
4001
ls -la is 75% faster with lru resize enabled
 - unlinked 0 (time 1735102999 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second