Apache HBase is all about giving you random, real-time, read/write access to your Big Data, but how do you efficiently get that data into HBase in the first place? Intuitively, a new user will try to do that via the client APIs or by using a MapReduce job with TableOutputFormat, but those approaches are problematic, as you will learn below. Instead, the HBase bulk loading feature is much easier to use and can insert the same amount of data more quickly.
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