Introducing CloudWatch Logs
We previously defined logs in Chapter 1, Introduction to Monitoring, and this time we are going to streamline our understanding of logs in the context of CloudWatch. But for the purpose of reminding us, let's go back to what logs are. Logs are a series of events captured in a text format. The text format could be unstructured or semi-structured data formats.
Important Note
Unstructured data is a kind of data that does not have a specific defined model with which the data is stored. It does not conform to a specific consistent pattern. Unstructured data usually comes with a few data types, such as string, number, or date and time. Most web server logs are unstructured data.
Semi-structured data is a form of storing data that is not fully structured data; it does not conform to the relational (table) method of storing data in rows and columns. Instead, it uses its own unique pairs and grouping of data in a unique way to help the data look a...