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http://blog.csdn.net/renfufei/article/details/49230943http://cloudate.net/?p=292
] ERROR org.apache.spark.executor.Executor[91] - Exception in task 1.3 in stage 1686049...
HRegion是某一个表的一部分,分布在不同的HRegion server上HRegion由一个或者多个Store组成,每个store保存一个column family每个S...
spark:1.需要重复读取同样数据进行迭代计算2.流式实时3.内存大,快 内存换存储4.scala,java5.交互模式6.可独立运行,不依托 yarn,hdfs(不是必须...
There is a building of n floors. If an egg drops from the k th floor or above, it will ...