![]() When a Drill client issues a query (using JDBC, ODBC, a command line interface or the REST API) any Drillbit service in the cluster can accept the query. It can run from just one node to hundreds/thousands of them coordinated using Zookeeper. It is designed to be scalable, flexible, and efficient, allowing us to quickly and easily access and analyze data from a wide variety of sources. We can define Drill as an open-source distributed SQL query engine inspired by Google Dremel/BigQuery which is able to run distributed queries over large-scale datasets. Even if it can be considered a bit legacy and “not so cool” nowadays (there are so many MPP open source alternatives with SQL dialects.) Drill is still a good piece of software. A few days ago I had some exposure to Apache Drill and I found it somehow interesting.
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