BigData

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