相关疑难解决方法(0)

如何使用Python/pyspark运行graphx?

我试图使用pyspark使用Python运行Spark graphx.我的安装看起来是正确的,因为我能够运行pyspark教程和(Java)GraphX教程.大概是因为GraphX是Spark的一部分,pyspark应该能够与它接口,对吗?

以下是pyspark的教程:http ://spark.apache.org/docs/0.9.0/quick-start.html http://spark.apache.org/docs/0.9.0/python-programming-guide. HTML

以下是GraphX的内容:http : //spark.apache.org/docs/0.9.0/graphx-programming-guide.html http://ampcamp.berkeley.edu/big-data-mini-course/graph-分析与- graphx.html

任何人都可以将GraphX教程转换为Python吗?

python hadoop graph-theory apache-spark

27
推荐指数
2
解决办法
2万
查看次数

如何通过apache spark graphX获取SSSP实际路径?

我在spark站点上运行了单源最短路径(SSSP)示例,如下所示:

graphx-SSSP pregel例子

码(斯卡拉):

object Pregel_SSSP {
def main(args: Array[String]) {
val sc = new SparkContext("local", "Allen Pregel Test", System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass))
// A graph with edge attributes containing distances
val graph: Graph[Int, Double] =
  GraphGenerators.logNormalGraph(sc, numVertices = 5).mapEdges(e => e.attr.toDouble)
graph.edges.foreach(println)
val sourceId: VertexId = 0 // The ultimate source

// Initialize the graph such that all vertices except the root have distance infinity.
val initialGraph = graph.mapVertices((id, _) => if (id == sourceId) 0.0 else Double.PositiveInfinity)

val sssp = …
Run Code Online (Sandbox Code Playgroud)

apache-spark

6
推荐指数
1
解决办法
3216
查看次数

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