== sanity test 124b: lru resize (performance test) ================================================================================= 01:03:37 (1761109417)
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 1934 (time 1761109431.36 total 10.00 last 193.40)
 - open/close 3875 (time 1761109441.36 total 20.00 last 194.07)
 - open/close 5877 (time 1761109451.37 total 30.00 last 200.13)
total: 8000 open/close in 39.17 seconds: 204.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 400
400
 - unlinked 0 (time 1761109569 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3862 (time 1761109601.34 total 10.00 last 386.16)
total: 8000 open/close in 19.97 seconds: 400.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 57 seconds
lru_size = 4052
3955
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1761109677 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second