== sanity test 124b: lru resize (performance test) ================================================================================= 03:47:19 (1713080839)
ldlm.namespaces.lustre-MDT0000-mdc-ffff880081291000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff880081291000.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2491 (time 1713080850.82 total 10.00 last 249.01)
 - open/close 4910 (time 1713080860.82 total 20.00 last 241.90)
 - open/close 7350 (time 1713080870.83 total 30.01 last 243.92)
total: 8000 open/close in 32.58 seconds: 245.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 400
400
 - unlinked 0 (time 1713080942 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff880081291000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff880081291000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2438 (time 1713080985.01 total 10.00 last 243.80)
 - open/close 4908 (time 1713080995.01 total 20.00 last 246.96)
 - open/close 7920 (time 1713081005.02 total 30.01 last 301.08)
total: 8000 open/close in 30.35 seconds: 263.57 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 86% faster with lru resize enabled
 - unlinked 0 (time 1713081018 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second