== sanity test 124b: lru resize (performance test) ================================================================================= 03:11:52 (1733645512)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2361 (time 1733645524.29 total 10.00 last 236.05)
 - open/close 4773 (time 1733645534.29 total 20.01 last 241.11)
 - open/close 7177 (time 1733645544.29 total 30.01 last 240.38)
total: 8000 open/close in 33.51 seconds: 238.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 400
400
 - unlinked 0 (time 1733645601 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2730 (time 1733645623.64 total 10.00 last 272.94)
 - open/close 5130 (time 1733645633.64 total 20.00 last 239.96)
 - open/close 7553 (time 1733645643.65 total 30.01 last 242.22)
total: 8000 open/close in 31.66 seconds: 252.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4052
3955
ls -la is 82% faster with lru resize enabled
 - unlinked 0 (time 1733645658 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second