== sanity test 124b: lru resize (performance test) ================================================================================= 00:30:31 (1784176231)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2086 (time 1784176243.79 total 10.00 last 208.53)
 - open/close 4086 (time 1784176253.79 total 20.01 last 199.96)
 - open/close 6137 (time 1784176263.80 total 30.01 last 205.00)
total: 8000 open/close in 38.91 seconds: 205.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 400
 - unlinked 0 (time 1784176395 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second
 - open/close 2191 (time 1784176430.40 total 10.00 last 219.05)
 - open/close 3379 (time 1784176440.40 total 20.01 last 118.76)
 - open/close 5433 (time 1784176450.40 total 30.01 last 205.39)
 - open/close 7515 (time 1784176460.41 total 40.01 last 208.12)
total: 8000 open/close in 42.38 seconds: 188.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1784176536 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second