== sanity test 124b: lru resize (performance test) ================================================================================= 04:24:15 (1769765055)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2118 (time 1769765068.83 total 10.00 last 211.80)
 - open/close 4364 (time 1769765078.84 total 20.00 last 224.50)
 - open/close 6434 (time 1769765088.84 total 30.01 last 206.95)
total: 8000 open/close in 37.72 seconds: 212.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 400
400
 - unlinked 0 (time 1769765202 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2087 (time 1769765237.41 total 10.00 last 208.67)
 - open/close 4139 (time 1769765247.41 total 20.00 last 205.14)
 - open/close 6300 (time 1769765257.41 total 30.01 last 216.05)
total: 8000 open/close in 37.87 seconds: 211.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 4006
4001
ls -la is 21% faster with lru resize enabled
 - unlinked 0 (time 1769765356 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second