Hi, [1] states that Drill uses Hazelcast as an embedded distributed cache to distribute and store metadata and locality information.
However, when I cloned the git repository and looked into the code, it does not look like Hazelcast is used, except for some unused variable definitions and pom definitions. I also found a resolved bug report on Hazelcast cluster membership [2]. May I know whether Hazelcast is currently used by Drill, and what does exactly Drill achieve by using it? Relevant pointers to existing discussions (if this was already discussed) or code location (if this was indeed implemented in Drill) are also appreciated. [1] http://www.slideshare.net/Hadoop_Summit/understanding-the-value-and-architecture-of-apache-drill [2] https://issues.apache.org/jira/browse/DRILL-489 Thank you. Regards, Pradeeban. -- Pradeeban Kathiravelu. PhD Researcher, Erasmus Mundus Joint Doctorate in Distributed Computing, INESC-ID Lisboa / Instituto Superior Técnico, Universidade de Lisboa, Portugal. Biomedical Informatics Software Engineer, Emory University School of Medicine. Blog: [Llovizna] http://kkpradeeban.blogspot.com/ LinkedIn: www.linkedin.com/pub/kathiravelu-pradeeban/12/b6a/b03
