== sanity test 124b: lru resize (performance test) ================================================================================= 01:50:41 (1789192241)
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 4083 (time 1789192256.25 total 10.00 last 408.25)
total: 8000 open/close in 19.94 seconds: 401.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
400
 - unlinked 0 (time 1789192345 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4555 (time 1789192367.40 total 10.00 last 455.43)
total: 8000 open/close in 17.38 seconds: 460.20 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 35% faster with lru resize enabled
 - unlinked 0 (time 1789192430 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second