== sanity test 124b: lru resize (performance test) ================================================================================= 06:56:22 (1744023382)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2488 (time 1744023393.81 total 10.00 last 248.76)
 - open/close 4917 (time 1744023403.82 total 20.00 last 242.82)
 - open/close 7268 (time 1744023413.82 total 30.01 last 235.08)
total: 8000 open/close in 33.13 seconds: 241.49 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 1744023489 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2519 (time 1744023517.35 total 10.00 last 251.82)
 - open/close 4946 (time 1744023527.35 total 20.01 last 242.61)
 - open/close 7871 (time 1744023537.35 total 30.01 last 292.49)
total: 8000 open/close in 30.51 seconds: 262.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4052
3955
ls -la is 85% faster with lru resize enabled
 - unlinked 0 (time 1744023553 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second