== sanity test 124b: lru resize (performance test) ================================================================================= 23:45:43 (1783568743)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4206 (time 1783568756.14 total 10.01 last 420.24)
 - open/close 5482 (time 1783568766.14 total 20.01 last 127.58)
total: 8000 open/close in 25.62 seconds: 312.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 400
 - unlinked 0 (time 1783568845 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4341 (time 1783568870.51 total 10.00 last 434.02)
total: 8000 open/close in 18.27 seconds: 437.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 8005
ls -la is 35% faster with lru resize enabled
 - unlinked 0 (time 1783568930 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second