== sanity test 124b: lru resize (performance test) ================================================================================= 13:54:35 (1772477675)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4420 (time 1772477688.35 total 10.00 last 441.93)
 - open/close 7067 (time 1772477698.35 total 20.00 last 264.67)
total: 8000 open/close in 21.79 seconds: 367.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 58 seconds
lru_size = 400
 - unlinked 0 (time 1772477761 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 5425 (time 1772477784.80 total 10.00 last 542.43)
total: 8000 open/close in 14.59 seconds: 548.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 8005
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1772477837 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second