spark技术分享

2012-03-06admin阅读(1772)赞(0)

InMemoryCatalog InMemoryCatalog is…​FIXME listPartitionsByFilter Method [crayon-6926ff2ae7b38833745 ...

2012-03-05admin阅读(1724)赞(0)

ExternalCatalog Contract — External Catalog (Metastore) of Permanent Relational Entities

2012-03-04admin阅读(1740)赞(0)

ExperimentalMethods ExperimentalMethods holds extra optimizations and strategies that are used in SparkOptimizer a ...

2012-03-03admin阅读(1812)赞(0)

ExecutionListenerManager — Management Interface of QueryExecutionListeners

2012-03-02admin阅读(3050)赞(0)

CatalogImpl CatalogImpl is the Catalog in Spark SQL that…​FIXME Figure 1. CatalogImpl uses Sessio ...

2012-03-01admin阅读(1647)赞(0)

Catalog — Metastore Management Interface

2012-02-29admin阅读(2372)赞(0)

Configuration Properties Configuration properties (aka settings) allow you to fine-tune a Spark SQL application. ...

2012-02-28admin阅读(1577)赞(0)

Aggregator — Contract for User-Defined Typed Aggregate Functions (UDAFs)

2012-02-27admin阅读(1464)赞(0)

UserDefinedAggregateFunction — Contract for User-Defined Untyped Aggregate Functions (UDAFs)

2012-02-26admin阅读(928)赞(0)

Dataset Checkpointing Dataset Checkpointing is a feature of Spark SQL to truncate a logical query plan that could ...