What is new in Hadoop 3

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What are the changes in Hadoop 3?
May 28, 2018 in Big Data Hadoop by Data_Nerd
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Here are few changes in Hadoop 3

1. Minimum Runtime Version for Hadoop 3.0 is JDK 8

2. Support for Erasure Coding in HDFS

3. MapReduce Task Level Native Optimization: This will improve the performance of shuffle intensive jobs by 30%

4. Support for Multiple NameNodes to maximize Fault Tolerance

answered May 28, 2018 by kurt_cobain
• 9,390 points

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