The advent of Big data has led to the quest of new technologies that can host and analyze data faster for enterprises. There are multiple reasons for Hadoop in making its way in the mainstream of enterprise’s big data strategy.
Before SQL and relational databases were in use, data was mostly stored in flat files or as.TXT. Application code would open one or more files step by step or jump to specific designated locations based on the known line
If you have read the Part 1 Hadoop Overview,
here is Part 2 of Hadoop Overview to add more informative questions:
What is Node Manager (NM)?
The task tracker is known as the Node Manager. It is also called as