What is grok tool?
What is grok tool? Grok is simple tool that allows you to easily parse logs and other files (single line). With Grok, you can turn unstructured log and event data. into structured data (JSON). Grok is an application that introduce how to use java-grok api in you application. What is grok pattern? Grok works by combining text patterns into something that matches your logs. The syntax for a grok pattern is %{SYNTAX:SEMANTIC} The SYNTAX is the name of the pattern that will match your text. For example, 3.44 will be matched by the NUMBER pattern and 55.3. 244.1 will be...