I believe he means they are storing all the data, but for a subset of types of data, sorta like extracting just a few columns out of a big table. Presumably som

I believe he means they are storing all the data, but for a subset of types of data, sorta like extracting just a few columns out of a big table. Presumably someone on some other team gets use out of having access to the 99.9% of data stored that is not relevant to "performance or capacity related queries."