== sanity test 124b: lru resize (performance test) ================================================================================= 00:42:31 (1744173751)
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 4016 (time 1744173762.47 total 10.00 last 401.57)
 - open/close 7599 (time 1744173772.47 total 20.00 last 358.25)
total: 8000 open/close in 21.43 seconds: 373.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 400
400
 - unlinked 0 (time 1744173822 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2855 (time 1744173849.85 total 10.00 last 285.43)
 - open/close 5981 (time 1744173859.86 total 20.00 last 312.55)
total: 8000 open/close in 27.94 seconds: 286.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4006
4001
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1744173883 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second