== sanity test 124b: lru resize (performance test) ================================================================================= 13:08:33 (1744132113)
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 3819 (time 1744132124.30 total 10.00 last 381.87)
total: 8000 open/close in 18.59 seconds: 430.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 55 seconds
lru_size = 400
400
 - unlinked 0 (time 1744132190 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 6084 (time 1744132211.82 total 10.00 last 608.37)
total: 8000 open/close in 13.28 seconds: 602.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4006
4001
ls -la is 80% faster with lru resize enabled
 - unlinked 0 (time 1744132230 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second