What is Large data analysis?

Basically Large or Big data analysis is a process to check and examine large and varied data records.  it is used to examine market trends, customers need and choices, uncover hidden patterns and usefull informations. The analysis makes eay to make further steps in bussiness. As a reult it can lead to good efficiency in work, provide better sevice and can also lead to buissness benifts and profits. Every buissness requires a good data analytics.
Few examples of data analytics are-
HADOOP
TEXT MINING 
APACHE HADOOP YARN.