== sanity test 124b: lru resize (performance test) ================================================================================= 13:57:25 (1772477845)
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 4522 (time 1772477856.93 total 10.00 last 452.12)
total: 8000 open/close in 18.58 seconds: 430.61 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 1772477942 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4555 (time 1772477964.84 total 10.00 last 455.49)
total: 8000 open/close in 16.80 seconds: 476.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 4006
4001
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1772478021 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second