spark技术分享

2012-04-25admin阅读(2121)赞(0)

FileFormat — Data Sources to Read and Write Data In Files

2012-04-24admin阅读(1503)赞(0)

Catalyst DSL — Implicit Conversions for Catalyst Data Structures

2012-04-23admin阅读(1654)赞(0)

CommandUtils — Utilities for Table Statistics

2012-04-22admin阅读(1471)赞(0)

EstimationUtils EstimationUtils is…​FIXME getOutputSize Method [crayon-68220d5567064034969820/] get ...

2012-04-21admin阅读(1360)赞(0)

ColumnStat — Column Statistics

2012-04-20admin阅读(1616)赞(0)

CatalogStatistics — Table Statistics From External Catalog (Metastore)

2012-04-19admin阅读(1500)赞(0)

Cost-Based Optimization (CBO) of Logical Query Plan

2012-04-18admin阅读(1429)赞(0)

EquivalentExpressions EquivalentExpressions is…​FIXME Table 1. EquivalentExpressions’s Interna ...

2012-04-17admin阅读(1949)赞(0)

Subexpression Elimination In Code-Generated Expression Evaluation (Common Expression Reuse)

2012-04-16admin阅读(1621)赞(0)

Adaptive Query Execution Adaptive Query Execution (aka Adaptive Query Optimisation or Adaptive Optimisation) is an ...