Table 1: The difference between traditional data and big data [3].
Characteristics | Big Data | Traditional Data |
Volume | Terabytes or Petabytes | Gigabytes |
Data Source | Fully distributed | Centralized |
Generated Rate | More rapid, seconds | Hourly, daily |
Storage | HDFS, NOSQL | RDBMS |
Data Integration | Difficult | Easy |
Access | Near real-time, batch processing | Interactive |
Structure | Unstructured, Semi-structured | Structured |