What is Apache Hadoop?

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Ranjith N

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Apache Hadoop is an open-source framework designed for storing and processing large datasets in a distributed computing environment. It consists of three core components: HDFS (Hadoop Distributed File System) for scalable storage, YARN (Yet Another Resource Negotiator) for resource management, and MapReduce...
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Apache Hadoop is an open-source framework designed for storing and processing large datasets in a distributed computing environment. It consists of three core components: HDFS (Hadoop Distributed File System) for scalable storage, YARN (Yet Another Resource Negotiator) for resource management, and MapReduce for parallel data processing. read less
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Apache Hadoop is an open-source framework designed for storing and processing large datasets in a distributed computing environment. It consists of three core components: HDFS (Hadoop Distributed File System) for scalable storage, YARN (Yet Another Resource Negotiator) for resource management, and MapReduce...
read more
Apache Hadoop is an open-source framework designed for storing and processing large datasets in a distributed computing environment. It consists of three core components: HDFS (Hadoop Distributed File System) for scalable storage, YARN (Yet Another Resource Negotiator) for resource management, and MapReduce for parallel data processing. read less
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"Rajesh Kumar N: Guiding Young Minds from 1 to 12 with Expertise and Care"

**Apache Hadoop** is an open-source framework designed for distributed storage and processing of large datasets across clusters of computers using simple programming models. It is designed to scale from a single server to thousands of machines, each offering local computation and storage. ### Key...
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**Apache Hadoop** is an open-source framework designed for distributed storage and processing of large datasets across clusters of computers using simple programming models. It is designed to scale from a single server to thousands of machines, each offering local computation and storage. ### Key Components: 1. **Hadoop Distributed File System (HDFS)**: A distributed file system that stores data across multiple machines, providing high throughput access to application data. 2. **MapReduce**: A programming model for processing large datasets in parallel by dividing the work into smaller tasks that can be executed across the cluster. 3. **YARN (Yet Another Resource Negotiator)**: A resource management layer that handles scheduling and resource allocation across various applications running in the Hadoop ecosystem. ### Features: - **Scalability**: Can handle petabytes of data by adding more nodes to the cluster. - **Fault Tolerance**: Automatically replicates data across multiple nodes to ensure reliability and availability. - **Cost-Effectiveness**: Utilizes commodity hardware to reduce storage costs. ### Use Cases: Apache Hadoop is widely used for big data analytics, data warehousing, log processing, machine learning, and any application requiring storage and processing of large volumes of data. read less
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Related Questions

What are the Hadoop Technologies that are hot in the market right now?
Hive ,Spark,Scala,Cassandra,Kafka,Flink ,Machine Learning
Pankaj
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5
what should I know before learning hadoop?
It depends on which stream of Hadoop you are aiming at. If you are looking for Hadoop Core Developer, then yes you will need Java and Linux knowledge. But there is another Hadoop Profile which is in demand...
Tina
How many nodes can be there in a single hadoop cluster?
A single Hadoop cluster can have **thousands of nodes**, depending on hardware and configuration.
Tahir
0 0
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I am software engineer in wipro since 2011. I want to learn hadoop. actully I wanted to become java or oracle developer but I got functional project and worked 3 yrs. Now i want to move in development line. I can attend only weekend batch. 1.Can you please tell me do u provide the weekend batch? 2.within how many months you will complete the syllabus. 3.what salary I can expect from MNC's after learning hadoop?
Hi Omkar, you can attend weekend batch, but right now you are not part of development so it will take little late to cope up with the existing developers but nothing is impossible in the world .based...
Onkar
What should be the fees for Online weekend Big Data Classes. All stack Hadoop, Spark, Pig, Hive , Sqoop, HBase , NIFI, Kafka and others. I Charged 8K and people are still negotiating. Is this too much?
Based on experience we can demand and based on how many hours you are spending for whole course. But anyway 8K is ok. But some of the people are offering 6k. So they will ask. Show your positives compare...
Binay Jha

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