== sanity test 124b: lru resize (performance test) ================================================================================= 16:36:50 (1758746210)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4209 (time 1758746224.95 total 10.00 last 420.90)
total: 8000 open/close in 18.54 seconds: 431.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 400
400
 - unlinked 0 (time 1758746307 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4123 (time 1758746331.00 total 10.00 last 412.20)
total: 8000 open/close in 18.67 seconds: 428.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 4006
4001
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1758746393 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second