Unclean Leader Election

Unclean Leader Election

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

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FREE Resource

The video tutorial discusses leader election and unclean leader election in distributed systems. It explains the default behavior when in-sync replicas (ISR) fail and the option to enable unclean leader election for improved availability at the cost of potential data loss. The tutorial emphasizes the risks and tradeoffs between availability and consistency, recommending that beginners avoid enabling unclean leader election. Advanced use cases where data loss is acceptable are also covered.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the default behavior when all in-sync replicas fail?

Enable unclean leader election

Wait for an ISR to come back online

Switch to a backup server

Stop all operations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential risk of enabling unclean leader election?

Increased data consistency

Loss of data from ISRs

Improved data security

Reduced system availability

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What trade-off does enabling unclean leader election involve?

Availability vs. consistency

Cost vs. efficiency

Security vs. performance

Speed vs. accuracy

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For whom is the unclean leader election setting not recommended?

System administrators

Beginners

Advanced users

Data analysts

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which scenario might unclean leader election be acceptable?

During metrics and log collection

When data loss is unacceptable

For real-time data processing

For critical financial transactions