== sanity test 124b: lru resize (performance test) ================================================================================= 07:47:36 (1778845656)
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 4654 (time 1778845669.63 total 10.00 last 465.39)
total: 8000 open/close in 17.21 seconds: 464.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 400
400
 - unlinked 0 (time 1778845746 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4778 (time 1778845769.03 total 10.00 last 477.71)
total: 8000 open/close in 16.58 seconds: 482.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 4052
3955
ls -la is 24% faster with lru resize enabled
 - unlinked 0 (time 1778845832 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second