== sanity test 124b: lru resize (performance test) ================================================================================= 19:20:00 (1756682400)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2169 (time 1756682412.98 total 10.00 last 216.90)
 - open/close 4545 (time 1756682422.99 total 20.00 last 237.58)
 - open/close 6690 (time 1756682432.99 total 30.00 last 214.43)
total: 8000 open/close in 36.35 seconds: 220.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 400
400
 - unlinked 0 (time 1756682534 ; 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 3504 (time 1756682561.73 total 10.00 last 350.35)
 - open/close 7098 (time 1756682571.73 total 20.00 last 359.35)
total: 8000 open/close in 22.18 seconds: 360.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 4006
4001
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1756682632 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second