== sanity test 124b: lru resize (performance test) ================================================================================= 09:08:26 (1781615306)
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 3028 (time 1781615318.29 total 10.00 last 302.79)
 - open/close 6380 (time 1781615328.29 total 20.00 last 335.17)
total: 8000 open/close in 24.44 seconds: 327.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 400
400
 - unlinked 0 (time 1781615410 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3296 (time 1781615437.42 total 10.00 last 329.51)
 - open/close 6853 (time 1781615447.42 total 20.00 last 355.64)
total: 8000 open/close in 23.29 seconds: 343.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 56 seconds
lru_size = 4052
3955
ls -la is 24% faster with lru resize enabled
 - unlinked 0 (time 1781615514 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second