== sanity test 124b: lru resize (performance test) ================================================================================= 00:40:56 (1764740456)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4575 (time 1764740469.10 total 10.00 last 457.43)
 - open/close 7672 (time 1764740479.10 total 20.00 last 309.65)
total: 8000 open/close in 20.70 seconds: 386.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 400
 - unlinked 0 (time 1764740545 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4561 (time 1764740568.67 total 10.00 last 456.07)
total: 8000 open/close in 17.11 seconds: 467.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 8005
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1764740624 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second