== sanity test 124b: lru resize (performance test) ================================================================================= 02:10:20 (1783145420)
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 4060 (time 1783145433.67 total 10.00 last 405.92)
total: 8000 open/close in 17.96 seconds: 445.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
400
 - unlinked 0 (time 1783145526 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5243 (time 1783145547.81 total 10.00 last 524.21)
total: 8000 open/close in 15.54 seconds: 514.82 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 39% faster with lru resize enabled
 - unlinked 0 (time 1783145611 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second