For usage questions and help (e.g. how to use this Spark API), it is recommended you use the StackOverflow tag apache-spark
as it is an active forum for Spark users' questions and answers.
Some quick tips when using StackOverflow:
apache-spark
tag to see if your question has already been answeredapache-spark
tag when asking questionspyspark
, spark-dataframe
, spark-streaming
, spark-r
, spark-mllib
, spark-ml
, spark-graphx
, spark-graphframes
, spark-tensorframes
, etc.For broad, opinion based, ask for external resources, debug issues, bugs, contributing to the project, and scenarios, it is recommended you use the user@spark.apache.org mailing list.
Some quick tips when using email:
apache-spark
to see if your question has already been answered[Spark SQL]: Does Spark SQL support LEFT SEMI JOIN?
Please see the Security page for information on how to report sensitive security vulnerabilities, and for information on known security issues.
Chat rooms are great for quick questions or discussions on specialized topics. The following chat rooms are not officially part of Apache Spark; they are provided for reference only.