Log - Logging (Tracing)

About

A log file is:

  • a list of activities an application performed.
  • and/or a common way to store data.

They are point in time event registration of line of text and therefore fall in the category of time serie

Usage

Example

Management

Creator

The creation of log is done via a library.

Example of Java Logger Library

Format

Processing

When the log file are becoming too big, you need to:

(Standard|Specification)

Severity

RFC5424 specifies that the order of severity is assumed to be numerically ascending from most important to least important.

Example: logging levels are prioritized from 0 to 6 (highest to lowest):

{ 
  error: 0, 
  warn: 1, 
  info: 2, 
  http: 3,
  verbose: 4, 
  debug: 5, 
  silly: 6 
}

Documentation / Reference


Powered by ComboStrap