spark技术分享

2014-01-31admin阅读(1077)赞(0)

Apache Spark Apache Spark is an open-source distributed general-purpose cluster computing framework with (mostly) ...

2013-07-17admin阅读(2241)赞(0)

SQLContext Caution As of Spark 2.0.0 SQLContext is only for backward compatibility and is a mere wrapper of ...

2013-07-16admin阅读(2859)赞(0)

CompressionCodecs CompressionCodecs is a utility object…​FIXME Table 1. Known Compression Codecs ...

2013-07-15admin阅读(1851)赞(0)

BufferedRowIterator BufferedRowIterator is…​FIXME

2013-07-14admin阅读(3886)赞(0)

PartitioningAwareFileIndex PartitioningAwareFileIndex is…​FIXME PartitioningAwareFileIndex uses a Ha ...

2013-07-13admin阅读(1433)赞(0)

ExternalCatalogUtils ExternalCatalogUtils is…​FIXME prunePartitionsByFilter Method [crayon-6812d0c2 ...

2013-07-12admin阅读(1148)赞(0)

CatalogUtils Helper Object CatalogUtils is a Scala object with the methods to support PreprocessTableCreation post ...

2013-07-11admin阅读(1251)赞(0)

HadoopFileLinesReader HadoopFileLinesReader is a Scala Iterator of Apache Hadoop’s org.apache.hadoop.io.Text ...

2013-07-10admin阅读(1706)赞(0)

OffHeapColumnVector OffHeapColumnVector is a concrete WritableColumnVector that…​FIXME Allocating C ...

2013-07-09admin阅读(1795)赞(0)

OnHeapColumnVector OnHeapColumnVector is a concrete WritableColumnVector that…​FIXME OnHeapColumnVec ...