== sanity test 124b: lru resize (performance test) ================================================================================= 00:09:25 (1772428165)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2391 (time 1772428178.04 total 10.00 last 239.03)
 - open/close 4836 (time 1772428188.05 total 20.01 last 244.37)
 - open/close 6383 (time 1772428198.05 total 30.01 last 154.66)
total: 8000 open/close in 36.41 seconds: 219.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 400
 - unlinked 0 (time 1772428300 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
 - open/close 2655 (time 1772428330.39 total 10.00 last 265.48)
 - open/close 4907 (time 1772428340.39 total 20.00 last 225.18)
 - open/close 7816 (time 1772428350.39 total 30.00 last 290.88)
total: 8000 open/close in 30.64 seconds: 261.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1772428403 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second