== sanity test 124b: lru resize (performance test) ================================================================================= 22:28:20 (1784946500)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 4114 (time 1784946513.01 total 10.00 last 411.36)
 - open/close 7558 (time 1784946523.01 total 20.00 last 344.39)
total: 8000 open/close in 21.21 seconds: 377.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
 - unlinked 0 (time 1784946595 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
 - open/close 2476 (time 1784946626.17 total 10.00 last 247.56)
 - open/close 5723 (time 1784946636.17 total 20.00 last 324.63)
total: 8000 open/close in 25.51 seconds: 313.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 8005
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1784946691 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second