== sanity test 124b: lru resize (performance test) ================================================================================= 21:24:45 (1733797485)
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 3087 (time 1733797497.06 total 10.00 last 308.70)
 - open/close 7464 (time 1733797507.06 total 20.00 last 437.67)
total: 8000 open/close in 21.01 seconds: 380.75 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 1733797555 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5244 (time 1733797575.34 total 10.00 last 524.30)
total: 8000 open/close in 15.13 seconds: 528.79 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 1733797594 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second