Big Data and the Tools Used

 In our traditional approaches, the datasets or data are stored in Relational Database Management System (RDBMS).

As the data produced due to the use of social media sites have become larger, the time to process the data, data cost and storage space becomes insufficient.

Overcoming these limitations, big data came into the picture.

Therefore, the goal of big data systems is to surface connections from a large volume of heterogeneous data.

What is big data?   

The enormous quantity or volume of data is called "Big data". It is the complex and unprocessed data (in exabytes or zeta bytes). Using traditional methods, they are difficult to process.

Characteristics of Big data:

The definitions of 3 major V’s of big data are:

1. Volume:

The datasets can be orders of magnitude larger than traditional datasets.

2. Velocity:

Another way in which big data differs from other datasets is the speed that information moves from through the system.

3. Variety:

The formats and types of data can vary significantly and big data handles it regardless of its sources.

TOOLS OF BIG DATA:

The big data tools are Hadoop, Hive, Sqoop, HBase, Pig, etc. They are used to analyse and process the data based on their need.

APPLICATIONS OF BIG DATA:

Some of the real-time examples are:

       Personalized health plans for cancer patients

       Real-time data monitoring and cyber security protocols

       Personalized marketing.

       Fuel optimization tools for the transportation industry.

       Monitoring health conditions through data from wearable.

       Live road mapping for autonomous vehicles.

BIG DATA LIFE CYCLE:

The general categories involved with big data processing are:

1.    Ingesting data into system:

 

Data ingestion is the process of taking raw data and providing it to the system. The complexity of this operation depends heavily on the format and quality of the data sources and how far the data is from the desired state prior to processing.

Tool used: Apache Sqoop

 

2.  Persisting the data in storage:

 

The ingestion processes typically provide the data to the components that manage storage system. While this seems like a simple operation, the volume of incoming data, the requirements for availability, and the distributed computing layer make more complex storage systems necessary.

Tool used: Apache Hadoop’s HDFS

 

3.  Analysing and computing data:

 

The computation layer is perhaps the most diverse part of the system as the requirements and best approach can vary significantly depending on what type of insights desired.

Tool used: Apache Hadoop’s Mapreduce

 

4.  Visualizing the results:

Due to the type of information being processed in big data systems, recognizing trends or changes in data over time is often more important than the values themselves. Visualizing data is one of the most useful ways to spot trends and make sense of a large number of data points.

Tool used: Apache Pig

 

Therefore, in conclusion, big data systems are uniquely suited for surfacing difficult-to-detect patterns and providing insight into behaviours that are impossible to find through conventional means. By correctly implementing systems that deal big data organisations can gain incredible value from the data that is already available.

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