本文整理汇总了Java中org.apache.hadoop.FailingMapper类的典型用法代码示例。如果您正苦于以下问题:Java FailingMapper类的具体用法?Java FailingMapper怎么用?Java FailingMapper使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
FailingMapper类属于org.apache.hadoop包,在下文中一共展示了FailingMapper类的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,您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: runFailingMapperJob
import org.apache.hadoop.FailingMapper; //导入依赖的package包/类
protected Job runFailingMapperJob()
throws IOException, InterruptedException, ClassNotFoundException {
Configuration myConf = new Configuration(mrCluster.getConfig());
myConf.setInt(MRJobConfig.NUM_MAPS, 1);
myConf.setInt(MRJobConfig.MAP_MAX_ATTEMPTS, 2); //reduce the number of attempts
Job job = Job.getInstance(myConf);
job.setJarByClass(FailingMapper.class);
job.setJobName("failmapper");
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
job.setInputFormatClass(RandomInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setMapperClass(FailingMapper.class);
job.setNumReduceTasks(0);
FileOutputFormat.setOutputPath(job, new Path(OUTPUT_ROOT_DIR,
"failmapper-output"));
job.addFileToClassPath(APP_JAR); // The AppMaster jar itself.
job.submit();
String trackingUrl = job.getTrackingURL();
String jobId = job.getJobID().toString();
boolean succeeded = job.waitForCompletion(true);
Assert.assertFalse(succeeded);
Assert.assertTrue("Tracking URL was " + trackingUrl +
" but didn't Match Job ID " + jobId ,
trackingUrl.endsWith(jobId.substring(jobId.lastIndexOf("_")) + "/"));
return job;
}
开发者ID:naver,项目名称:hadoop,代码行数:31,代码来源:TestMRJobs.java
示例2: runFailingMapperJob
import org.apache.hadoop.FailingMapper; //导入依赖的package包/类
protected Job runFailingMapperJob()
throws IOException, InterruptedException, ClassNotFoundException {
Configuration myConf = new Configuration(mrCluster.getConfig());
myConf.setInt(MRJobConfig.NUM_MAPS, 1);
myConf.setInt(MRJobConfig.MAP_MAX_ATTEMPTS, 2); //reduce the number of attempts
Job job = new Job(myConf);
job.setJarByClass(FailingMapper.class);
job.setJobName("failmapper");
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
job.setInputFormatClass(RandomInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setMapperClass(FailingMapper.class);
job.setNumReduceTasks(0);
FileOutputFormat.setOutputPath(job, new Path(OUTPUT_ROOT_DIR,
"failmapper-output"));
job.addFileToClassPath(APP_JAR); // The AppMaster jar itself.
job.submit();
String trackingUrl = job.getTrackingURL();
String jobId = job.getJobID().toString();
boolean succeeded = job.waitForCompletion(true);
Assert.assertFalse(succeeded);
Assert.assertTrue("Tracking URL was " + trackingUrl +
" but didn't Match Job ID " + jobId ,
trackingUrl.endsWith(jobId.substring(jobId.lastIndexOf("_")) + "/"));
return job;
}
开发者ID:Nextzero,项目名称:hadoop-2.6.0-cdh5.4.3,代码行数:31,代码来源:TestMRJobs.java
注:本文中的org.apache.hadoop.FailingMapper类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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