hadoop-0.20.2

hadoop-0.20.2

http://www.oschina.net/code/snippet_176897_7976

http://blog.sina.com.cn/s/blog_62186b4601012acs.html

http://blog.sina.com.cn/s/blog_5f3895a00100w2pu.html

http://linux.chinaunix.net/techdoc/develop/2007/03/01/951236.shtml


本地测试：

hadoop jar MaxTemperatureDriver.jar MaxTemperatureDriver -fs file:/// -jt local /home/hadoop/input/sample.txt max-temp

为分布式测试：

hadoop jar MaxTemperatureDriver.jar MaxTemperatureDriver hdfs://localhost:9000/tmp/temperature/sample.txt max-temp