本文整理匯總了Java中org.apache.hadoop.mapreduce.MRJobConfig.NUM_REDUCES屬性的典型用法代碼示例。如果您正苦於以下問題：Java MRJobConfig.NUM_REDUCES屬性的具體用法？Java MRJobConfig.NUM_REDUCES怎麽用？Java MRJobConfig.NUM_REDUCES使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類org.apache.hadoop.mapreduce.MRJobConfig的用法示例。
在下文中一共展示了MRJobConfig.NUM_REDUCES屬性的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
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"
};
}