== sanity test 124b: lru resize (performance test) ================================================================================= 20:02:41 (1786838561)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1962 (time 1786838573.05 total 10.01 last 196.06)
 - open/close 3492 (time 1786838583.05 total 20.01 last 152.99)
 - open/close 5058 (time 1786838593.06 total 30.01 last 156.54)
 - open/close 6760 (time 1786838603.06 total 40.01 last 170.17)
total: 8000 open/close in 45.52 seconds: 175.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
 - unlinked 0 (time 1786838689 ; total 0 ; last 0)
total: 8000 unlinks in 41 seconds: 195.121948 unlinks/second
 - open/close 2191 (time 1786838742.64 total 10.00 last 219.08)
 - open/close 4749 (time 1786838752.64 total 20.00 last 255.76)
 - open/close 7574 (time 1786838762.64 total 30.00 last 282.44)
total: 8000 open/close in 32.11 seconds: 249.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1786838815 ; total 0 ; last 0)
total: 8000 unlinks in 26 seconds: 307.692322 unlinks/second