Elasticsearch 7 and Elastic Stack - In Depth and Hands On! - Logstash Input Plug-ins -Part 1: Heartbeat

This video tutorial covers the use of various Logstash input plugins, focusing on the heartbeat plugin. It explains how to configure and run Logstash with the heartbeat plugin to monitor system health by sending periodic messages. The tutorial also explores different message settings, such as epoch and sequence, and demonstrates how to inspect and sort documents in Elasticsearch. The video provides hands-on examples and commands to help users understand the practical application of these plugins.

Which of the following is NOT mentioned as an input plugin for Logstash in the introduction?

• TCP

• SMTP

• UDP

• File

What is the primary purpose of the Heartbeat input plugin?

• To monitor Logstash's operational status

• To collect data from Twitter

• To send emails

• To manage database connections

In the Heartbeat plugin, what does the 'interval' setting control?

• The type of message sent

• The destination of the message

• The frequency of message sending

• The format of the message

What does setting the message to 'epoch' in the Heartbeat plugin do?

• Sends messages to multiple destinations

• Generates random numbers

• Sends a static message

• Emits the event time as an epoch value

How can the 'sequence' message setting in the Heartbeat plugin be useful?

• To encrypt messages

• To send messages to different servers

• To generate random strings

• To track the order of events

What is the purpose of sorting documents by timestamp in the advanced usage of the Heartbeat plugin?

• To find the largest document

• To determine the sequence of events

• To delete old documents

• To merge documents

What can be inferred if a number is out of sequence in the Heartbeat plugin's 'clock' field?

• An event was missed

• A new event type was added

• The configuration is incorrect

• The system is running faster