Fig. 9.2.3 Parsing is done to find out what is in a block.

Log Data

One of the most common forms of big data is log data. Indeed, much important corporate
information is tucked into the form of logs.

When one looks at log data, log data do not appear to look much like other repetitive
data. Consider the comparison seen in Fig. 9.2.4.

Chapter 9.2: Analyzing Repetitive Data