== sanity test 124b: lru resize (performance test) ================================================================================= 15:07:13 (1772914033)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2204 (time 1772914045.68 total 10.00 last 220.34)
 - open/close 4554 (time 1772914055.69 total 20.01 last 234.92)
 - open/close 6676 (time 1772914065.69 total 30.01 last 212.20)
total: 8000 open/close in 36.23 seconds: 220.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
 - unlinked 0 (time 1772914156 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 2836 (time 1772914180.56 total 10.00 last 283.52)
 - open/close 4997 (time 1772914190.57 total 20.02 last 215.72)
 - open/close 7358 (time 1772914200.58 total 30.02 last 236.05)
total: 8000 open/close in 32.53 seconds: 245.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 58 seconds
lru_size = 8005
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1772914269 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second