== sanity test 124b: lru resize (performance test) ================================================================================= 12:48:48 (1783356528)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2590 (time 1783356540.86 total 10.00 last 258.93)
 - open/close 4873 (time 1783356550.86 total 20.00 last 228.27)
 - open/close 7923 (time 1783356560.86 total 30.00 last 304.96)
total: 8000 open/close in 30.17 seconds: 265.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 400
 - unlinked 0 (time 1783356649 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4469 (time 1783356673.30 total 10.00 last 446.82)
total: 8000 open/close in 17.39 seconds: 460.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 46 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1783356735 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second