== sanity test 124b: lru resize (performance test) ================================================================================= 00:08:58 (1784088538)
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 4668 (time 1784088552.27 total 10.00 last 466.70)
total: 8000 open/close in 17.19 seconds: 465.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 69 seconds
lru_size = 400
400
 - unlinked 0 (time 1784088631 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4766 (time 1784088653.89 total 10.00 last 476.50)
total: 8000 open/close in 16.97 seconds: 471.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 4052
3955
ls -la is 24% faster with lru resize enabled
 - unlinked 0 (time 1784088720 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second