== sanity test 124b: lru resize (performance test) ================================================================================= 07:34:02 (1778931242)
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 4591 (time 1778931256.19 total 10.00 last 459.02)
total: 8000 open/close in 17.41 seconds: 459.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
400
 - unlinked 0 (time 1778931343 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4327 (time 1778931366.74 total 10.00 last 432.58)
total: 8000 open/close in 18.12 seconds: 441.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 4006
4001
ls -la is 15% faster with lru resize enabled
 - unlinked 0 (time 1778931447 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second