hadoop vs teradata what is the difference

Question

I\'ve touched a Teradata. I\'ve never touched hadoop, but since yesterday, I am doing some research on that. By description of both, they seem quite interchangable, but in some

Answer 1

To Begin with, Vanilla Apache Hadoop is 100% open source. But if you need commercial support along with consultancy there are companies like Cloudera, MapR, HortonWorks, etc.

Hadoop is backed by a growing community fixing bugs and making improvements on a consistent basis. Hadoop storage model HDFS is based on Google's GFS architecture which is proven to handle large quantities of data. Furthermore Hadoop analysis model Map Reduce is based on Google's Map Reduce Model.

Hadoop is used by Tech Giants like Facebook, Yahoo, Twitter, EBay etc to store and analysis they high volume of data real time as well as passively.

For your question ETL systems read these slides where you will see.

Ok now Why Hadoop?

1. Open Source
2. Proven Storage and Analysis model for Large Quantities of data
3. Minimum Hardware Requirement to setup and run.

Ok now Why TD?

1. Commercial Support