== sanity test 124b: lru resize (performance test) ================================================================================= 07:40:15 (1768135215)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2167 (time 1768135227.37 total 10.00 last 216.61)
 - open/close 4356 (time 1768135237.37 total 20.01 last 218.87)
 - open/close 6569 (time 1768135247.38 total 30.01 last 221.22)
total: 8000 open/close in 36.57 seconds: 218.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 102 seconds
lru_size = 400
 - unlinked 0 (time 1768135360 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
 - open/close 2123 (time 1768135393.73 total 10.00 last 212.25)
 - open/close 4161 (time 1768135403.74 total 20.01 last 203.70)
 - open/close 6175 (time 1768135413.74 total 30.01 last 201.32)
total: 8000 open/close in 39.03 seconds: 204.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 67 seconds
lru_size = 8005
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1768135499 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second