== sanity test 124b: lru resize (performance test) ================================================================================= 13:52:38 (1772477558)
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 5301 (time 1772477571.84 total 10.00 last 529.99)
total: 8000 open/close in 15.67 seconds: 510.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 400
400
 - unlinked 0 (time 1772477646 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4713 (time 1772477668.36 total 10.00 last 471.29)
total: 8000 open/close in 16.98 seconds: 471.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 54 seconds
lru_size = 4052
3955
ls -la is 18% faster with lru resize enabled
 - unlinked 0 (time 1772477736 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second