== sanity test 124b: lru resize (performance test) ================================================================================= 07:10:11 (1733400611)
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 2670 (time 1733400622.67 total 10.00 last 266.94)
 - open/close 5686 (time 1733400632.67 total 20.00 last 301.56)
total: 8000 open/close in 28.29 seconds: 282.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 69 seconds
lru_size = 400
400
 - unlinked 0 (time 1733400713 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2596 (time 1733400746.30 total 10.00 last 259.56)
 - open/close 5100 (time 1733400756.30 total 20.00 last 250.37)
 - open/close 7714 (time 1733400766.30 total 30.00 last 261.37)
total: 8000 open/close in 31.10 seconds: 257.20 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 1733400783 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second