spark技术分享

2012-07-14admin阅读(4406)赞(0)

HintInfo HintInfo takes a single broadcast flag when created. HintInfo is created when: Dataset.broadcast fu ...

2012-07-13admin阅读(4162)赞(0)

Statistics — Estimates of Plan Statistics and Query Hints

2012-07-12admin阅读(1553)赞(0)

LogicalPlanStats — Statistics Estimates and Query Hints of Logical Operator

2012-07-11admin阅读(1664)赞(0)

SparkStrategies — Container of Execution Planning Strategies

2012-07-10admin阅读(1793)赞(0)

SparkStrategy — Base for Execution Planning Strategies

2012-07-09admin阅读(1841)赞(0)

SparkPlanner — Spark Query Planner

2012-07-08admin阅读(2089)赞(0)

Catalyst Optimizer — Generic Logical Query Plan Optimizer

2012-07-07admin阅读(1881)赞(0)

SparkOptimizer — Logical Query Plan Optimizer

2012-07-06admin阅读(2549)赞(0)

CheckAnalysis — Analysis Validation

2012-07-05admin阅读(1826)赞(0)

Analyzer — Logical Query Plan Analyzer