== sanity test 124b: lru resize (performance test) ================================================================================= 11:36:12 (1766421372)
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 3834 (time 1766421385.63 total 10.00 last 383.36)
 - open/close 7739 (time 1766421395.63 total 20.00 last 390.44)
total: 8000 open/close in 20.76 seconds: 385.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 400
400
 - unlinked 0 (time 1766421473 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4007 (time 1766421499.83 total 10.00 last 400.60)
total: 8000 open/close in 18.24 seconds: 438.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 4052
3955
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1766421558 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second