Big Data Interview Questions and Answers
Question - 111 : - What are some vendor-specific distributions of Hadoop?
Answer - 111 : -
Several vendors now offer Hadoop-based products. Some of the more notable products include the following:
- Cloudera
- MapR
- Amazon EMR (Elastic MapReduce)
- Microsoft Azure HDInsight
- IBM InfoSphere Information Server
- Hortonworks Data Platform
Question - 112 : - Data locality
Answer - 112 : -
Hadoop moves the computation close to where data resides, rather than moving large sets of data to computation. This helps to reduce network congestion while improving the overall throughput.