本文整理汇总了Java中org.apache.hadoop.mapred.lib.LongSumReducer类的典型用法代码示例。如果您正苦于以下问题：Java LongSumReducer类的具体用法？Java LongSumReducer怎么用？Java LongSumReducer使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
LongSumReducer类属于org.apache.hadoop.mapred.lib包，在下文中一共展示了LongSumReducer类的6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: writeTest
import org.apache.hadoop.mapred.lib.LongSumReducer; //导入依赖的package包/类
public static void writeTest(FileSystem fs, boolean fastCheck)
throws Exception {
fs.delete(DATA_DIR, true);
fs.delete(WRITE_DIR, true);
JobConf job = new JobConf(conf, TestFileSystem.class);
job.setBoolean("fs.test.fastCheck", fastCheck);
FileInputFormat.setInputPaths(job, CONTROL_DIR);
job.setInputFormat(SequenceFileInputFormat.class);
job.setMapperClass(WriteMapper.class);
job.setReducerClass(LongSumReducer.class);
FileOutputFormat.setOutputPath(job, WRITE_DIR);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(LongWritable.class);
job.setNumReduceTasks(1);
JobClient.runJob(job);
}
示例2: readTest
import org.apache.hadoop.mapred.lib.LongSumReducer; //导入依赖的package包/类
public static void readTest(FileSystem fs, boolean fastCheck)
throws Exception {
fs.delete(READ_DIR, true);
JobConf job = new JobConf(conf, TestFileSystem.class);
job.setBoolean("fs.test.fastCheck", fastCheck);
FileInputFormat.setInputPaths(job, CONTROL_DIR);
job.setInputFormat(SequenceFileInputFormat.class);
job.setMapperClass(ReadMapper.class);
job.setReducerClass(LongSumReducer.class);
FileOutputFormat.setOutputPath(job, READ_DIR);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(LongWritable.class);
job.setNumReduceTasks(1);
JobClient.runJob(job);
}
示例3: seekTest
import org.apache.hadoop.mapred.lib.LongSumReducer; //导入依赖的package包/类
public static void seekTest(FileSystem fs, boolean fastCheck)
throws Exception {
fs.delete(READ_DIR, true);
JobConf job = new JobConf(conf, TestFileSystem.class);
job.setBoolean("fs.test.fastCheck", fastCheck);
FileInputFormat.setInputPaths(job,CONTROL_DIR);
job.setInputFormat(SequenceFileInputFormat.class);
job.setMapperClass(SeekMapper.class);
job.setReducerClass(LongSumReducer.class);
FileOutputFormat.setOutputPath(job, READ_DIR);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(LongWritable.class);
job.setNumReduceTasks(1);
JobClient.runJob(job);
}
示例4: writeTest
import org.apache.hadoop.mapred.lib.LongSumReducer; //导入依赖的package包/类
public static void writeTest(FileSystem fs, boolean fastCheck)
throws Exception {
fs.delete(DATA_DIR, true);
fs.delete(WRITE_DIR, true);
JobConf job = new JobConf(conf, TestFileSystem.class);
job.setBoolean("fs.test.fastCheck", fastCheck);
FileInputFormat.setInputPaths(job, CONTROL_DIR);
job.setInputFormat(SequenceFileInputFormat.class);
job.setMapperClass(WriteMapper.class);
job.setReducerClass(LongSumReducer.class);
FileOutputFormat.setOutputPath(job, WRITE_DIR);
job.setOutputKeyClass(UTF8.class);
job.setOutputValueClass(LongWritable.class);
job.setNumReduceTasks(1);
JobClient.runJob(job);
}
示例5: readTest
import org.apache.hadoop.mapred.lib.LongSumReducer; //导入依赖的package包/类
public static void readTest(FileSystem fs, boolean fastCheck)
throws Exception {
fs.delete(READ_DIR, true);
JobConf job = new JobConf(conf, TestFileSystem.class);
job.setBoolean("fs.test.fastCheck", fastCheck);
FileInputFormat.setInputPaths(job, CONTROL_DIR);
job.setInputFormat(SequenceFileInputFormat.class);
job.setMapperClass(ReadMapper.class);
job.setReducerClass(LongSumReducer.class);
FileOutputFormat.setOutputPath(job, READ_DIR);
job.setOutputKeyClass(UTF8.class);
job.setOutputValueClass(LongWritable.class);
job.setNumReduceTasks(1);
JobClient.runJob(job);
}
示例6: seekTest
import org.apache.hadoop.mapred.lib.LongSumReducer; //导入依赖的package包/类
public static void seekTest(FileSystem fs, boolean fastCheck)
throws Exception {
fs.delete(READ_DIR, true);
JobConf job = new JobConf(conf, TestFileSystem.class);
job.setBoolean("fs.test.fastCheck", fastCheck);
FileInputFormat.setInputPaths(job,CONTROL_DIR);
job.setInputFormat(SequenceFileInputFormat.class);
job.setMapperClass(SeekMapper.class);
job.setReducerClass(LongSumReducer.class);
FileOutputFormat.setOutputPath(job, READ_DIR);
job.setOutputKeyClass(UTF8.class);
job.setOutputValueClass(LongWritable.class);
job.setNumReduceTasks(1);
JobClient.runJob(job);
}