How do I know about big data and Hadoop technology?

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TECHNICAL ARCHIECT & LEAD ENGINEER – GEN AI & DATABRICKS, CLOUD (AZURE, AWS), DEVOPS, DBT

Big Data is concept which deals with Data management,storing and processing using Hadoop technologies . Hadoop is framework which contains HDFS and MR for Big Data using other ecosystem like pig hive sqoop oozie zookeeper etc depends on the project . you can reach me for any support or guideline .
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What are some of the big data processing frameworks one should know about?
Apache Spark ,Apache Akka , Apache Flink ,Hadoop
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Is it worth to switch from manual testing to Hadoop?
Yes..Here you can n build your career easily .it is good time to switch into hadoop . You should learn with some realtime experience.after learning u can work into analytics or testing also.programming...
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Is there a list of the world's largest Hadoop clusters on the web?
No . As pf now Yahoo has tested with 5000 nodes . but there is no such information .
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