Name | Description | Type | Package | Framework |
SetSparkReducerParallelism | SetSparkReducerParallelism determines how many reducers should be run for a given reduce sink, clone from SetReducerParallelism. | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |
SparkJoinHintOptimizer | This processes joins in which user specified a hint to identify the small-table. | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |
SparkJoinOptimizer | Converts a join to a more optimized join for the Spark path. | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |
SparkMapJoinOptimizer | SparkMapJoinOptimizer cloned from ConvertJoinMapJoin is an optimization that replaces a common join (aka shuffle join) with a map join (aka broadcast or fragment replicate | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |
SparkMapJoinProcessor | Class | org.apache.hadoop.hive.ql.optimizer | Apache Hive | |
SparkReduceSinkMapJoinProc | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive | |
SparkReduceSinkMapJoinProc .SparkMapJoinFollowedByGroupByProcessor | Class | org.apache.hadoop.hive.ql.optimizer.spark.SparkReduceSinkMapJoinProc | Apache Hive | |
SparkSkewJoinProcFactory | Spark-version of SkewJoinProcFactory. | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |
SparkSkewJoinProcFactory .SparkSkewJoinJoinProcessor | Class | org.apache.hadoop.hive.ql.optimizer.spark.SparkSkewJoinProcFactory | Apache Hive | |
SparkSkewJoinResolver | Spark version of SkewJoinResolver. | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |
SparkSkewJoinResolver .SparkSkewJoinProcCtx | Class | org.apache.hadoop.hive.ql.optimizer.spark.SparkSkewJoinResolver | Apache Hive | |
SparkSMBJoinHintOptimizer | Converts from a bucket-mapjoin created from hints to SMB mapjoin. | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |
SparkSortMergeJoinFactory | Operator factory for Spark SMBJoin processing. | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |
SparkSortMergeJoinOptimizer | Converts a common join operator to an SMB join if eligible. | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |
SplitSparkWorkResolver | Do a BFS on the sparkWork graph, and look for any work that has more than one child. | Class | org.apache.hadoop.hive.ql.optimizer.spark | Apache Hive |