== sanity test 124b: lru resize (performance test) ================================================================================= 14:24:09 (1781288649)
ldlm.namespaces.lustre-MDT0000-mdc-ffff91ec0843c800.lru_size=400
 - open/close 796 (time 1781288664.46 total 10.01 last 79.52)
 - open/close 1485 (time 1781288674.47 total 20.01 last 68.87)
 - open/close 2225 (time 1781288684.47 total 30.02 last 73.97)
 - open/close 2931 (time 1781288694.47 total 40.02 last 70.58)
 - open/close 3549 (time 1781288704.50 total 50.05 last 61.65)
 - open/close 4031 (time 1781288714.50 total 60.05 last 48.19)
 - open/close 4668 (time 1781288724.50 total 70.05 last 63.70)
 - open/close 5331 (time 1781288734.50 total 80.05 last 66.29)
 - open/close 6105 (time 1781288744.51 total 90.06 last 77.35)
 - open/close 6742 (time 1781288754.52 total 100.07 last 63.64)
 - open/close 7391 (time 1781288764.53 total 110.08 last 64.85)
total: 8000 open/close in 118.05 seconds: 67.77 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 1781288870 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff91ec0843c800.lru_size=0
 - open/close 742 (time 1781288993.70 total 10.01 last 74.12)
 - open/close 1451 (time 1781289003.70 total 20.01 last 70.90)
 - open/close 2297 (time 1781289013.71 total 30.02 last 84.54)
 - open/close 3038 (time 1781289023.72 total 40.02 last 74.06)
 - open/close 3766 (time 1781289033.74 total 50.05 last 72.64)
 - open/close 4532 (time 1781289043.76 total 60.07 last 76.44)
 - open/close 5295 (time 1781289053.76 total 70.07 last 76.27)
 - open/close 6002 (time 1781289063.77 total 80.08 last 70.65)
 - open/close 6678 (time 1781289073.78 total 90.08 last 67.55)
 - open/close 7413 (time 1781289083.78 total 100.09 last 73.46)
total: 8000 open/close in 109.11 seconds: 73.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 37 seconds
lru_size = 8005
ls -la is 58% faster with lru resize enabled
 - unlinked 0 (time 1781289140 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second