Big Data. Results of big data usage

1.

Faculty of Social Digital Technologies
Department of Foreign and Russian Languages
Big Data
Created by Roman Arteev,
Darya Kuznetsova
May, 2026

2. What is big data?

• Volume: 1 terabyte
and more
• Velocity: data comes
continuously
• Variety: texts, videos,
logs, coordinates, time
series in one system

3. Distributed storage

4. Distributed computing

5.

6. Real-time processing

sensor → data bus (Kafka) →
processor (Flink or Spark
Streaming) → database or
alert

7. Retail - Walmart

8. Diagnosing retinopathy

9. Predictive maintenance

10. Conclusion

Results of big data usage:
• Less revenue loss
• Faster diagnosis
• 35% fewer unplanned repairs