I don't know if anyone has done benchmarking of different JVMs for Spark specifically, but the widely-held belief seems to be that the Oracle JDK is slightly more performant.
Elasticsearch makes heavy usage of Lucene, which is a particularly intense workout for a JVM, and they recommend using the Oracle JVM where possible. http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/setup-service.html#_installing_the_oracle_jdk On Sun, May 18, 2014 at 11:50 PM, Hao Wang <wh.s...@gmail.com> wrote: > Hi, > > Oracle JDK and OpenJDK, which one is better or preferred for Spark? > > > Regards, > Wang Hao(王灏) > > CloudTeam | School of Software Engineering > Shanghai Jiao Tong University > Address:800 Dongchuan Road, Minhang District, Shanghai, 200240 > Email:wh.s...@gmail.com >