== sanity test 124b: lru resize (performance test) ================================================================================= 01:02:08 (1764741728)
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 4364 (time 1764741741.67 total 10.00 last 436.31)
total: 8000 open/close in 18.80 seconds: 425.50 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 1764741822 ; 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 4293 (time 1764741845.59 total 10.00 last 429.26)
total: 8000 open/close in 18.01 seconds: 444.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 54 seconds
lru_size = 4006
4001
ls -la is 20% faster with lru resize enabled
 - unlinked 0 (time 1764741914 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second