本文整理汇总了Java中org.apache.hadoop.mapreduce.MRJobConfig.NUM_REDUCES属性的典型用法代码示例。如果您正苦于以下问题：Java MRJobConfig.NUM_REDUCES属性的具体用法？Java MRJobConfig.NUM_REDUCES怎么用？Java MRJobConfig.NUM_REDUCES使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.mapreduce.MRJobConfig的用法示例。
在下文中一共展示了MRJobConfig.NUM_REDUCES属性的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: genArgs
protected String[] genArgs(String jobtracker, String mapper, String reducer)
{
return new String[] {
"-input", INPUT_FILE,
"-output", OUTPUT_DIR,
"-mapper", mapper,
"-reducer", reducer,
"-jobconf", MRJobConfig.NUM_MAPS + "=1",
"-jobconf", MRJobConfig.NUM_REDUCES + "=1",
"-jobconf", MRJobConfig.PRESERVE_FAILED_TASK_FILES + "=true",
"-jobconf", "stream.tmpdir=" + new Path(TEST_ROOT_DIR).toUri().getPath(),
"-jobconf", JTConfig.JT_IPC_ADDRESS + "="+jobtracker,
"-jobconf", "fs.default.name=file:///",
"-jobconf", "mapred.jar=" + TestStreaming.STREAMING_JAR,
"-jobconf", "mapreduce.framework.name=yarn"
};
}