本文整理汇总了Java中org.apache.hadoop.mapred.JobConf.setOutputCommitter方法的典型用法代码示例。如果您正苦于以下问题：Java JobConf.setOutputCommitter方法的具体用法？Java JobConf.setOutputCommitter怎么用？Java JobConf.setOutputCommitter使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.mapred.JobConf的用法示例。
在下文中一共展示了JobConf.setOutputCommitter方法的2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: runJob
import org.apache.hadoop.mapred.JobConf; //导入方法依赖的package包/类
static boolean runJob(JobConf conf, Path inDir, Path outDir, int numMaps,
int numReds) throws IOException, InterruptedException {
FileSystem fs = FileSystem.get(conf);
if (fs.exists(outDir)) {
fs.delete(outDir, true);
}
if (!fs.exists(inDir)) {
fs.mkdirs(inDir);
}
String input = "The quick brown fox\n" + "has many silly\n"
+ "red fox sox\n";
for (int i = 0; i < numMaps; ++i) {
DataOutputStream file = fs.create(new Path(inDir, "part-" + i));
file.writeBytes(input);
file.close();
}
DistributedCache.addFileToClassPath(TestMRJobs.APP_JAR, conf, fs);
conf.setOutputCommitter(CustomOutputCommitter.class);
conf.setInputFormat(TextInputFormat.class);
conf.setOutputKeyClass(LongWritable.class);
conf.setOutputValueClass(Text.class);
FileInputFormat.setInputPaths(conf, inDir);
FileOutputFormat.setOutputPath(conf, outDir);
conf.setNumMapTasks(numMaps);
conf.setNumReduceTasks(numReds);
JobClient jobClient = new JobClient(conf);
RunningJob job = jobClient.submitJob(conf);
return jobClient.monitorAndPrintJob(conf, job);
}
示例2: testCombinerShouldUpdateTheReporter
import org.apache.hadoop.mapred.JobConf; //导入方法依赖的package包/类
@Test
public void testCombinerShouldUpdateTheReporter() throws Exception {
JobConf conf = new JobConf(mrCluster.getConfig());
int numMaps = 5;
int numReds = 2;
Path in = new Path(mrCluster.getTestWorkDir().getAbsolutePath(),
"testCombinerShouldUpdateTheReporter-in");
Path out = new Path(mrCluster.getTestWorkDir().getAbsolutePath(),
"testCombinerShouldUpdateTheReporter-out");
createInputOutPutFolder(in, out, numMaps);
conf.setJobName("test-job-with-combiner");
conf.setMapperClass(IdentityMapper.class);
conf.setCombinerClass(MyCombinerToCheckReporter.class);
//conf.setJarByClass(MyCombinerToCheckReporter.class);
conf.setReducerClass(IdentityReducer.class);
DistributedCache.addFileToClassPath(TestMRJobs.APP_JAR, conf);
conf.setOutputCommitter(CustomOutputCommitter.class);
conf.setInputFormat(TextInputFormat.class);
conf.setOutputKeyClass(LongWritable.class);
conf.setOutputValueClass(Text.class);
FileInputFormat.setInputPaths(conf, in);
FileOutputFormat.setOutputPath(conf, out);
conf.setNumMapTasks(numMaps);
conf.setNumReduceTasks(numReds);
runJob(conf);
}