== sanity test 124b: lru resize (performance test) ================================================================================= 11:43:24 (1788882204)
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 4086 (time 1788882218.53 total 10.00 last 408.51)
total: 8000 open/close in 19.00 seconds: 421.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 400
400
 - unlinked 0 (time 1788882310 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4309 (time 1788882333.33 total 10.00 last 430.84)
total: 8000 open/close in 17.82 seconds: 449.05 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 43% faster with lru resize enabled
 - unlinked 0 (time 1788882393 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second