== sanity test 124b: lru resize (performance test) ================================================================================= 18:23:00 (1786486980)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3282 (time 1786486993.23 total 10.00 last 328.20)
 - open/close 7292 (time 1786487003.23 total 20.00 last 400.97)
total: 8000 open/close in 21.93 seconds: 364.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
400
 - unlinked 0 (time 1786487090 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3770 (time 1786487116.23 total 10.00 last 376.99)
total: 8000 open/close in 19.84 seconds: 403.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 4006
4001
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1786487183 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second