== sanity test 124b: lru resize (performance test) ================================================================================= 09:30:41 (1748871041)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3335 (time 1748871053.36 total 10.00 last 333.38)
 - open/close 6474 (time 1748871063.36 total 20.01 last 313.85)
total: 8000 open/close in 25.00 seconds: 320.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
400
 - unlinked 0 (time 1748871139 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2620 (time 1748871166.48 total 10.00 last 261.95)
 - open/close 5552 (time 1748871176.49 total 20.00 last 293.15)
total: 8000 open/close in 28.43 seconds: 281.43 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 86% faster with lru resize enabled
 - unlinked 0 (time 1748871200 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second