Corral vs Impala: What are the differences?
What is Corral? A serverless MapReduce framework written for AWS Lambda. Corral is a MapReduce framework designed to be deployed to serverless platforms, like AWS Lambda. It presents a lightweight alternative to Hadoop MapReduce.
What is Impala? Real-time Query for Hadoop. Impala is a modern, open source, MPP SQL query engine for Apache Hadoop. Impala is shipped by Cloudera, MapR, and Amazon. With Impala, you can query data, whether stored in HDFS or Apache HBase – including SELECT, JOIN, and aggregate functions – in real time.
Corral and Impala can be categorized as "Big Data" tools.
Corral and Impala are both open source tools. It seems that Impala with 2.18K GitHub stars and 824 forks on GitHub has more adoption than Corral with 611 GitHub stars and 16 GitHub forks.