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Update Spark单机版本环境搭建.md

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heibaiying
2019-03-22 13:46:57 +08:00
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notes/installation/Spark单机版本环境搭建.md
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@@ -107,7 +107,7 @@ hadoop,hadoop
#### 3. 在scala交互式命令行中执行如下命名 #### 3. 在scala交互式命令行中执行如下命名
```scala ```scala
val file = spark.sparkContext.textFile("file:///usr/app//wc.txt") val file = spark.sparkContext.textFile("file:///usr/app/wc.txt")
val wordCounts = file.flatMap(line => line.split(",")).map((word => (word, 1))).reduceByKey(_ + _) val wordCounts = file.flatMap(line => line.split(",")).map((word => (word, 1))).reduceByKey(_ + _)
wordCounts.collect wordCounts.collect
``` ```