本例子是使用java写的一个spark的wordcount例子.
运行命令:
spark-submit --master spark://localhost:7077 \
--name WordCount --class org.cooze.hadoop.spark.wordcount.java.WordCount \
--executor-memory 512M --total-executor-cores 2 \
./spark-wordcount-java.jar hdfs://localhost:9000/wordcount
或
spark-submit --master spark://localhost:7077 \
--name WordCount --class org.cooze.hadoop.spark.wordcount.java.WordCount \
--executor-memory 512M --total-executor-cores 2 \
./spark-wordcount-java.jar /wordcount