Should I learn Spark or Hadoop?
Table of Contents
Should I learn Spark or Hadoop?
No, you don’t need to learn Hadoop to learn Spark. Spark was an independent project . But after YARN and Hadoop 2.0, Spark became popular because Spark can run on top of HDFS along with other Hadoop components. Hadoop is a framework in which you write MapReduce job by inheriting Java classes.
Should I get Spark certification?
Some Reasons to Become a Certified Spark Developer It will definitely, give your career a kickstart. As soon as you get certified through spark, you have the validation of your Spark skills. That will help as almost all the companies are looking for it. It is very easy to acquire Spark certification preparation.
Which Spark certification is best?
5 Best Apache Spark Certification
- O’Reilly Developer Certification for Apache Spark. If you want to stand out of the crowd, O’Reilly developer certification for Apache Spark is a good choice.
- Cloudera Spark and Hadoop Developer. Cloudera offers yet another Apache Spark certification.
- MapR Certified Spark Developer.
Will Apache spark replace Hadoop?
Apache Spark doesn’t replace Hadoop, rather it runs atop existing Hadoop cluster to access Hadoop Distributed File System. Apache Spark also has the functionality to process structured data in Hive and streaming data from Flume, Twitter, HDFS, Flume, etc.
Does Apache spark need Hadoop?
As per Spark documentation, Spark can run without Hadoop. You may run it as a Standalone mode without any resource manager. But if you want to run in multi-node setup, you need a resource manager like YARN or Mesos and a distributed file system like HDFS,S3 etc. Yes, spark can run without hadoop.
How hard is Spark certification?
Many test-takers affirm that Databricks Certified Associate Developer for Apache Spark is one of the most challenging certification exams for Apache Spark in the market. As most of the questions involving coding where multiple answers could be correct. Only if you are sure, you should mark the answers.
Is Apache Spark in demand?
Apache Spark alone is a very powerful tool. It is in high demand in the job market. If integrated with other tools of Big Data, it makes a strong portfolio.
Is the Hadoop big data certification worth it?
Yes of course Hadoop big data certification is definitely worth giving a try and also it would definitely be helpful to those who had invested their real time effort with proper dedication and sincere effort.
What is the best certification for Apache Spark developer?
Hortonworks HDP certified Apache Spark developer is one of the best certifications that you can get. In this certification, your knowledge on Spark Core and Data Frames will be tested. Also, the exam is not a simple multiple-choice question exam as you need to use your skills to perform programming tasks on Spark cluster.
How popular is Apache Spark in the big data community?
There is no doubt that Apache Spark is extremely popular in the big data community. This popularity is meet by demand for Apache Spark developers. Also, it is easy to find hundreds of online resources to improve your knowledge as Spark is open source.
How to start a career in big data?
Apache Spark is extremely popular, and if you are thinking of starting a career in big data, you need to get the best spark certification possible. Once you get certified through spark certification training, you now have the validation of your skills which almost all the companies look for.