== sanity test 124b: lru resize (performance test) ================================================================================= 04:40:31 (1788338431)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1181 (time 1788338444.08 total 10.01 last 118.03)
 - open/close 2490 (time 1788338454.08 total 20.01 last 130.87)
 - open/close 4029 (time 1788338464.09 total 30.01 last 153.87)
 - open/close 5616 (time 1788338474.09 total 40.01 last 158.65)
 - open/close 7232 (time 1788338484.09 total 50.01 last 161.57)
total: 8000 open/close in 55.39 seconds: 144.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 400
 - unlinked 0 (time 1788338578 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 899 (time 1788338704.61 total 10.01 last 89.82)
 - open/close 1787 (time 1788338714.62 total 20.02 last 88.72)
 - open/close 2661 (time 1788338724.63 total 30.02 last 87.35)
 - open/close 3568 (time 1788338734.63 total 40.03 last 90.68)
 - open/close 4507 (time 1788338744.64 total 50.03 last 93.81)
 - open/close 5349 (time 1788338754.64 total 60.04 last 84.16)
 - open/close 6174 (time 1788338764.65 total 70.04 last 82.48)
 - open/close 7060 (time 1788338774.65 total 80.05 last 88.56)
 - open/close 7977 (time 1788338784.65 total 90.05 last 91.69)
total: 8000 open/close in 90.41 seconds: 88.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 59 seconds
lru_size = 8005
ls -la is 27% faster with lru resize enabled
 - unlinked 0 (time 1788338860 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second