== sanity test 124b: lru resize (performance test) ================================================================================= 15:09:18 (1780859358)
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 4714 (time 1780859373.24 total 10.00 last 471.35)
total: 8000 open/close in 16.48 seconds: 485.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 67 seconds
lru_size = 400
400
 - unlinked 0 (time 1780859450 ; 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 5167 (time 1780859472.22 total 10.00 last 516.64)
total: 8000 open/close in 15.00 seconds: 533.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 4052
3955
ls -la is 32% faster with lru resize enabled
 - unlinked 0 (time 1780859529 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second