== sanity test 124b: lru resize (performance test) ================================================================================= 18:26:16 (1789338376)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2096 (time 1789338389.89 total 10.00 last 209.59)
 - open/close 4147 (time 1789338399.89 total 20.01 last 205.00)
 - open/close 6139 (time 1789338409.90 total 30.01 last 199.10)
total: 8000 open/close in 39.31 seconds: 203.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 400
400
 - unlinked 0 (time 1789338516 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2029 (time 1789338551.42 total 10.00 last 202.84)
 - open/close 4057 (time 1789338561.42 total 20.00 last 202.76)
 - open/close 6097 (time 1789338571.42 total 30.01 last 203.98)
total: 8000 open/close in 39.60 seconds: 202.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 4052
3955
ls -la is 13% faster with lru resize enabled
 - unlinked 0 (time 1789338671 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second