In order to provide marketers with further detail about your in-store (offline) purchases, Google has acquired (paid millions for) Mastercard credit card data. The company has acknowledged it has access to about 70 percent of U.S. credit and debit card sales through “third-party partnerships.” We will look back on this number and consider it quaint.
and di…erated service providing a unified REST/Thrift interface to access metadata of various data stores. The respective metadata stores are still the source of truth for schema metadata, so Metacat does not materialize it in its storage. It only directly stores the business and user-defined metadata about the datasets. It also publishes all of the information about the datasets to Elasticsearch for full-text search and discovery.
I loved how simple everything was. I could write to disk as often as I wanted using Node’s NON-BLOCKING IO (very web-scale). Callback hell was a little difficult to deal with, but then I learned about Promises and entered Promise hell. The fires in this hell were a little less intense, so it was all good. Even better, I now reside in the promised (haha get it) land of Async Await.