manage>Data Buckets "Cache Size" statistics are wrong

Fresh install of membase.

2 nodes just joined together and rebalanced

Go to cluster overview screen and see:

"RAM Overview" shows

1.53 GB allocated, with 49.1 MB in use and 1.48 GB unused

Go to Manage > Data Buckets screen and see:

"Cache Size" section shows

1.53 GB Quota, with "This Bucket 49.1 MB" "Other Data 1.91 GB) and "Free" 890 MB.

So very different numbers, language and presentation (colors are different too). Should have consistent data between these sources of information