== sanity test 124b: lru resize (performance test) ================================================================================= 00:10:22 (1772428222)
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 4270 (time 1772428233.97 total 10.00 last 426.96)
total: 8000 open/close in 18.78 seconds: 426.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 400
400
 - unlinked 0 (time 1772428356 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2012 (time 1772428389.63 total 10.00 last 201.16)
 - open/close 5186 (time 1772428399.63 total 20.00 last 317.38)
total: 8000 open/close in 28.74 seconds: 278.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 4052
3955
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1772428481 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second