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Hadoop 3.0 – Pros and Cons

Do It For Me
Tuesday, 28 September 2021 / Published in Do IT For Me

Hadoop 3.0 – Pros and Cons

The purpose of this scholar is to discuss the advantages and disadvantages of Hadoop 3.0. Hadoop 3.0 has become a top-level solution because of the numerous modifications available.

It was created with the goal of storing and controlling a vast volume of data. Hadoop has several advantages, including a larger and more open supply, clean handling, overall performance, and so forth. On the other side, it has several flaws that we’ve labeled as negatives.

Let’s begin by looking at Hadoop’s major benefits and drawbacks.

Hadoop 3.0 - Pros and Cons

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Advantages of Hadoop

Hadoop is simple to use, scalable, and advantageous. Hadoop also has a lot of advantages. We’ll go through the 12 advantages of Hadoop in this article. Here are some of the Hadoop experts who have helped it become so popular:

1. Varied Data Sources

Hadoop accepts a large number of facts. The data can originate from a variety of sources, including email exchanges, social media, and other sources, and it can be organised or unstructured. Hadoop can derive charges from a variety of data sources. Hadoop may provide text content reports, XML reports, pictures, CSV documents, and other types of data.

2. Cost-effective

Hadoop is a cost-effective option since it stores data on a standard set of hardware. Because the fundamental hardware is low-cost computers, the value of integrating nodes into the framework isn’t necessarily high. We have 50% of the garage overhead in Hadoop Three.zero against 200 percent in Hadoop2.x. Because duplicate facts are considerably minimised, this necessitates far less capacity for fact maintenance.

3. Performance

Hadoop is approaching enormous volumes of data at an excessive rate, thanks to its over-the-top processing and over-the-top garage structure. In 2008, Hadoop even outperformed supercomputers as the fastest gadget. It divides the input data report into many blocks and saves the information in these blocks among multiple nodes. Furthermore, it divides the consumer’s work into many subtasks, assigning employee nodes to run in parallel with the needed events and so improving overall performance.

4. Fault-Tolerant

Erasure encoding gives zero fault tolerance in Hadoop. For example, utilising erasure coding methods, 6 fact blocks produce three parity blocks, thus HDFS purchases all nine of these blocks. If a node fails, these parity blocks plus the final fact blocks can be used to recover the damaged facet block.

5. Highly Available

The HDFS fabric has an unmarried live NameNode and an unmarried standby NameNode in Hadoop 2.x. Hadoop three.zero, on the other hand, is more useful than a standby NameNode since it can continue to function even if other NameNodes fail.

6. Low Network Traffic

Each process supplied by the consumer is separated into some impartial sub-responsibilities in Hadoop, and those sub-responsibilities are allocated to the fact nodes, resulting in a little bit of code being translated into facts rather than a large quantity of code being translated into community traffic.

7. High Throughput

According to the time unit, the performance approach procedure came to a conclusion. Hadoop stores data in a way that makes it simple to process payments. A process is broken down into little tasks that paint bits of events in real time, leading in high output.

8. Open Source

Hadoop is an open-source offer generator, which means its offer code is publicly available. The delivery code can be changed as needed.

9. Scalable

Hadoop is based on the idea of horizontal scalability, which means that we want to give the entire device for the node cluster and no longer have to toggle the configuration of a device like RAM, hard disc, and so on, which is referred to as vertical scalability. It is a scalable architecture since nodes may be deployed to Hadoop clusters on the fly.

10. Ease of use

MapReduce programmers no longer wish to take over payment processing because it has been done automatically in the backend for a long time by the Hadoop framework.

11. Compatibility

Like-minded Hadoop, such as Spark, Flink, and others, are present in most new generations of big data. They’ve obtained render engines that replace Hadoop as a backend, which means we’re using Hadoop as a fact garage for them.

12. Multiple Languages Supported

Firstly, many languages, including C, C++, Perl, Python, Ruby, and Groovy, may be used to programme in Hadoop.

Hadoop 3.0 - Pros and Cons

Source

2. Disadvantages of Hadoop

1. Issue With Small Files

Hadoop is excellent for a limited number of huge documents, but it falls short when it comes to handling a large number of tiny documents. A tiny report is simply one that is substantially less than the Hadoop block length, which by default is 128MB or 256MB. This huge number of tiny documents overloads the Namenode, which holds the device’s namespace, making Hadoop impossible to use.

2. Vulnerable By Nature

Because Hadoop is written in Java, a widely used programming language, hackers may simply attack it, rendering it prone to security breaches.

3. Processing Overhead

Firstly, as we handle terabytes and petabytes of data, Hadoop evaluates and writes facts to disc, making review and write processes exceedingly comfortable. Secondly, Hadoop is incapable of performing incorrect computations, resulting in a processing cost.

4. Supports Only Batch Processing

Hadoop is built around a batch processing engine that isn’t necessarily green when it comes to circulation processing. It is unable to provide output in real-time with minimal delay. It works with data that we collect and save in a report before processing.

5. Iterative Processing

Firstly, Hadoop 3.0 is unable to do iterative processing on its own. Secondly, Machine reading and repetitive processing have a cyclic data flow, similar to Hadoop, which has data flowing through a chain of tiers where the result of one layer becomes the input of the next.

6. Security

Firstly, Hadoop 3.0 employs Kerberos authentication for security, which is difficult to manage. Secondly, It lacks encryption at the storage and network layers, which is likely a major source of concern.

So, this is everything about Hadoop’s benefits and drawbacks. Lastly, I hope you found our explanation to be helpful.

Hadoop 3.0 - Pros and Cons

Source

Summary – Advantages and Disadvantages of Hadoop

Every software program application utilised by the company has its own set of disadvantages and perks. If the software program application is essential to the company, it is simple to maximize the advantages while also taking steps to mitigate the flaws. We can see that Hadoop’s advantages exceed its drawbacks, making it a viable Big Data solution. Still, if you have any questions about Hadoop’s benefits and disadvantages, post them in the comments below.

Sources

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Tagged under: Batch Processing, computations, Hadoop, Iterative Processing, petabytes, Processing Overhead, programming language, security, Small Files, terabytes

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