== sanity test 124b: lru resize (performance test) ================================================================================= 12:03:20 (1781625800)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1786 (time 1781625812.46 total 10.00 last 178.58)
 - open/close 3702 (time 1781625822.48 total 20.02 last 191.30)
 - open/close 5384 (time 1781625832.48 total 30.02 last 168.15)
 - open/close 7183 (time 1781625842.48 total 40.02 last 179.90)
total: 8000 open/close in 43.50 seconds: 183.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 400
 - unlinked 0 (time 1781625927 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
 - open/close 2791 (time 1781625959.41 total 10.00 last 279.02)
 - open/close 5322 (time 1781625969.41 total 20.01 last 253.02)
total: 8000 open/close in 29.75 seconds: 268.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 8005
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1781626039 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second