Vespa vs Apache Impala: What are the differences?
What is Vespa? Store, search, rank and organize big data. Vespa is an engine for low-latency computation over large data sets. It stores and indexes your data such that queries, selection and processing over the data can be performed at serving time.
What is Apache 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.
Vespa and Apache Impala can be categorized as "Big Data" tools.
Vespa and Apache Impala are both open source tools. Vespa with 2.91K GitHub stars and 342 forks on GitHub appears to be more popular than Apache Impala with 2.19K GitHub stars and 825 GitHub forks.