== sanity test 124b: lru resize (performance test) ================================================================================= 19:51:16 (1775173876)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4780 (time 1775173887.67 total 10.00 last 477.95)
total: 8000 open/close in 16.51 seconds: 484.46 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 1775173973 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4055 (time 1775173996.68 total 10.00 last 405.43)
total: 8000 open/close in 18.62 seconds: 429.65 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 26% faster with lru resize enabled
 - unlinked 0 (time 1775174068 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second