Table 2 Need for Hadoop technology
From: Clustering large datasets using K-means modified inter and intra clustering (KM-I2C) in Hadoop
| Â | Traditional RDBMS | Hadoop MapReduce |
|---|---|---|
Size | To gigabytes | Extends to petabytes |
Processing | Realtime and batch | Batch |
Updates | Reads and writes many times | Writes once and reads many times |
Structure | Static schema | Dynamic schema |
Integrity | High | Low |
Scaling | Non-linear | Linear |