== sanity test 124b: lru resize (performance test) ================================================================================= 23:39:19 (1781667559)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1694 (time 1781667571.52 total 10.00 last 169.34)
 - open/close 3451 (time 1781667581.52 total 20.00 last 175.70)
 - open/close 5153 (time 1781667591.53 total 30.02 last 169.96)
 - open/close 5776 (time 1781667601.53 total 40.02 last 62.28)
 - open/close 7311 (time 1781667611.54 total 50.02 last 153.46)
total: 8000 open/close in 54.73 seconds: 146.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 400
 - unlinked 0 (time 1781667709 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
 - open/close 1928 (time 1781667746.64 total 10.00 last 192.76)
 - open/close 3939 (time 1781667756.64 total 20.00 last 201.08)
 - open/close 6053 (time 1781667766.64 total 30.00 last 211.37)
total: 8000 open/close in 39.27 seconds: 203.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1781667834 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second