Question : spark - How to reduce the shuffle size of a JavaPairRDD<Integer, Integer[]>?
Question spark - How to reduce the shuffle size of a JavaPairRDD? * I have a JavaPairRDD<Integer, Integer[]> on which I want to perform a groupByKey action. The groupByKey action gives me a: org.apache.spark.shuffle.MetadataFetchFailedException: Missing an output location for shuffle which is practically an OutOfMemory error, if I am not mistaken. This occurs only in big datasets (in my case when
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[KYLIN-3272] Upgrade Spark dependency to 2.3.2 - ASF JIRA
[SPARK-21569] Internal Spark class needs to be kryo-registered - ASF JIRA
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