== sanity test 124b: lru resize (performance test) ================================================================================= 15:49:06 (1752695346)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2600 (time 1752695359.41 total 10.00 last 259.92)
 - open/close 5176 (time 1752695369.41 total 20.00 last 257.56)
 - open/close 7528 (time 1752695379.41 total 30.01 last 235.14)
total: 8000 open/close in 32.50 seconds: 246.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 400
 - unlinked 0 (time 1752695473 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second
 - open/close 1961 (time 1752695507.67 total 10.00 last 196.10)
 - open/close 3963 (time 1752695517.67 total 20.00 last 200.17)
 - open/close 5096 (time 1752695527.67 total 30.00 last 113.29)
 - open/close 7157 (time 1752695537.67 total 40.00 last 206.08)
total: 8000 open/close in 44.22 seconds: 180.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 8005
ls -la is 26% faster with lru resize enabled
 - unlinked 0 (time 1752695615 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second