Logstash provides  multiple plug-ins to meet personalized requirements.  For example:

  • grok: Structurally parses logs into multiple fields by using regular expressions.

  • json_lines and json: Structurally parses JSON logs.

  •   date: Parses and converts the date and time fields of logs.

  • multiline: Customizes complex types of multiline logs.

  •   kv: Structurally parses logs of key-value pair type.