What is Hadoop?

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Apache Hadoop is an open source framework that is used to efficiently store and process large datasets ranging in size from gigabytes to petabytes of data.
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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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What are the biggest pain points with Hadoop?
The biggest pain points with Hadoop are its complexity in setup and maintenance, slow processing due to disk I/O, high resource consumption, and difficulty in handling real-time data.
Anish
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6
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
What is the speculative execution in hadoop?
Speculative execution in Hadoop is a process of running duplicate tasks on different nodes to finish the job faster by using the result from the task that completes first.
Divya
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5
Can anyone suggest about Hadoop?
Hadoop is good but it depends on your experience. If you don't know basic java, linux, shell scripting. Hadoop is not beneficial for you.
Ajay

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