== sanity test 124b: lru resize (performance test) ================================================================================= 01:30:14 (1735367414)
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 2448 (time 1735367426.53 total 10.00 last 244.76)
 - open/close 4814 (time 1735367436.53 total 20.00 last 236.56)
 - open/close 7199 (time 1735367446.53 total 30.00 last 238.48)
total: 8000 open/close in 33.29 seconds: 240.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 400
400
 - unlinked 0 (time 1735367503 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2318 (time 1735367533.19 total 10.00 last 231.72)
 - open/close 4575 (time 1735367543.19 total 20.01 last 225.65)
 - open/close 6857 (time 1735367553.19 total 30.01 last 228.19)
total: 8000 open/close in 34.97 seconds: 228.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4006
4001
ls -la is 82% faster with lru resize enabled
 - unlinked 0 (time 1735367573 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second