spark技术分享

2014-06-29admin阅读(1454)赞(0)

OrderedRDDFunctions repartitionAndSortWithinPartitions Operator Caution FIXME sortByKey Operator ...

2014-06-28admin阅读(1445)赞(0)

MapPartitionsRDD MapPartitionsRDD is an RDD that applies the provided function f to every partition of the parent ...

2014-06-27admin阅读(1592)赞(0)

ParallelCollectionRDD ParallelCollectionRDD is an RDD of a collection of elements with numSlices partitions and op ...

2014-06-26admin阅读(1718)赞(0)

TaskLocation TaskLocation is a location where a task should run. TaskLocation can either be a host alone or a (h ...

2014-06-25admin阅读(1975)赞(0)

RDD Lineage — Logical Execution Plan

2014-06-24admin阅读(1620)赞(0)

RDD RDD is a description of a distributed computation over dataset of records of type T. RDD is identified by a ...

2014-06-23admin阅读(1583)赞(0)

RDD — Resilient Distributed Dataset

2014-06-22admin阅读(1349)赞(0)

Local Properties — Creating Logical Job Groups

2014-06-21admin阅读(1560)赞(0)

SparkStatusTracker SparkStatusTracker is…​FIXME SparkStatusTracker is created when SparkContext is c ...

2014-06-20admin阅读(1457)赞(0)

ConsoleProgressBar ConsoleProgressBar shows the progress of active stages to standard error, i.e. stderr. It uses ...