== sanity test 124b: lru resize (performance test) ================================================================================= 14:02:50 (1772478170)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4673 (time 1772478182.22 total 10.00 last 467.28)
 - open/close 7578 (time 1772478192.22 total 20.00 last 290.46)
total: 8000 open/close in 20.82 seconds: 384.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 400
 - unlinked 0 (time 1772478260 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4810 (time 1772478285.00 total 10.00 last 480.96)
total: 8000 open/close in 16.77 seconds: 477.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 40 seconds
lru_size = 8005
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1772478338 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second