== sanity test 124b: lru resize (performance test) ================================================================================= 13:44:56 (1777571096)
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 5327 (time 1777571108.83 total 10.00 last 532.62)
total: 8000 open/close in 15.03 seconds: 532.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 60 seconds
lru_size = 400
400
 - unlinked 0 (time 1777571177 ; 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 4776 (time 1777571199.41 total 10.00 last 477.60)
total: 8000 open/close in 16.81 seconds: 475.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 4006
4001
ls -la is 26% faster with lru resize enabled
 - unlinked 0 (time 1777571257 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second