A question about the keyspace.
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I have run the examples. And I have a question about the kayspace. I read the description of keyspace.
"The keyspace is an index of unique elements in the dataset.
Each key refers to a particular peice of the data without having to keep track of a lot paths. This can be especially handy when we are operating on a large cluster where all of the files are not necessarily local."
I think it means that every file has a key instead of every record in the file. Am I right?
Yes, every file has a key. This framework wasn't designed for the standard Hadoop example of iterating thru records in a file. It was designed to support working with binary files, such as images.