Java SleepInputFormat类代码示例

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本文整理汇总了Java中org.apache.hadoop.examples.SleepJob.SleepInputFormat类的典型用法代码示例。如果您正苦于以下问题：Java SleepInputFormat类的具体用法？Java SleepInputFormat怎么用？Java SleepInputFormat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。

SleepInputFormat类属于org.apache.hadoop.examples.SleepJob包，在下文中一共展示了SleepInputFormat类的4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: testBlacklistAcrossJobs

import org.apache.hadoop.examples.SleepJob.SleepInputFormat; //导入依赖的package包/类
public void testBlacklistAcrossJobs() throws Exception {
  MiniDFSCluster dfs = null;
  MiniMRCluster mr = null;
  FileSystem fileSys = null;
  Configuration conf = new Configuration();
  // setup dfs and input
  dfs = new MiniDFSCluster(conf, 1, true, null, hosts);
  fileSys = dfs.getFileSystem();
  if (!fileSys.mkdirs(inDir)) {
    throw new IOException("Mkdirs failed to create " + inDir.toString());
  }
  UtilsForTests.writeFile(dfs.getNameNode(), conf, 
                               new Path(inDir + "/file"), (short) 1);
  // start mr cluster
  JobConf jtConf = new JobConf();
  jtConf.setInt("mapred.max.tracker.blacklists", 1);
  mr = new MiniMRCluster(3, fileSys.getUri().toString(),
                         1, null, hosts, jtConf);

  // setup job configuration
  JobConf mrConf = mr.createJobConf();
  JobConf job = new JobConf(mrConf);
  job.setInt("mapred.max.tracker.failures", 1);
  job.setNumMapTasks(30);
  job.setNumReduceTasks(0);
  job.setMapperClass(SleepJobFailOnHost.class);
  job.setMapOutputKeyClass(IntWritable.class);
  job.setMapOutputValueClass(NullWritable.class);
  job.setOutputFormat(NullOutputFormat.class);
  job.setInputFormat(SleepInputFormat.class);
  FileInputFormat.setInputPaths(job, inDir);
  FileOutputFormat.setOutputPath(job, outDir);
  
  // run the job
  JobClient jc = new JobClient(mrConf);
  RunningJob running = JobClient.runJob(job);
  assertEquals("Job failed", JobStatus.SUCCEEDED, running.getJobState());
  assertEquals("Didn't blacklist the host", 1, 
    jc.getClusterStatus().getBlacklistedTrackers());
  assertEquals("Fault count should be 1", 1, mr.getFaultCount(hosts[0]));

  // run the same job once again 
  // there should be no change in blacklist count
  running = JobClient.runJob(job);
  assertEquals("Job failed", JobStatus.SUCCEEDED, running.getJobState());
  assertEquals("Didn't blacklist the host", 1,
    jc.getClusterStatus().getBlacklistedTrackers());
  assertEquals("Fault count should be 1", 1, mr.getFaultCount(hosts[0]));
}

开发者ID:Nextzero，项目名称:hadoop-2.6.0-cdh5.4.3，代码行数:50，代码来源:TestTrackerBlacklistAcrossJobs.java

示例2: testBlacklistAcrossJobs

import org.apache.hadoop.examples.SleepJob.SleepInputFormat; //导入依赖的package包/类
public void testBlacklistAcrossJobs() throws IOException {
  if (System.getProperty("hadoop.log.dir") == null) {
    String base = new File(".").getAbsolutePath();
    System.setProperty("hadoop.log.dir", new Path(base).toString() + "/logs");
  }
  MiniDFSCluster dfs = null;
  MiniMRCluster mr = null;
  FileSystem fileSys = null;
  Configuration conf = new Configuration();
  // setup dfs and input
  dfs = new MiniDFSCluster(conf, 1, true, null, hosts);
  fileSys = dfs.getFileSystem();
  if (!fileSys.mkdirs(inDir)) {
    throw new IOException("Mkdirs failed to create " + inDir.toString());
  }
  UtilsForTests.writeFile(dfs.getNameNode(), conf, 
                               new Path(inDir + "/file"), (short) 1);
  // start mr cluster
  JobConf jtConf = new JobConf();
  jtConf.setInt("mapred.max.tracker.blacklists", 1);
  mr = new MiniMRCluster(3, fileSys.getUri().toString(),
                         1, null, hosts, jtConf);

  // setup job configuration
  JobConf mrConf = mr.createJobConf();
  JobConf job = new JobConf(mrConf);
  job.setInt("mapred.max.tracker.failures", 1);
  job.setNumMapTasks(30);
  job.setNumReduceTasks(0);
  job.setMapperClass(SleepJobFailOnHost.class);
  job.setMapOutputKeyClass(IntWritable.class);
  job.setMapOutputValueClass(NullWritable.class);
  job.setOutputFormat(NullOutputFormat.class);
  job.setInputFormat(SleepInputFormat.class);
  FileInputFormat.setInputPaths(job, inDir);
  FileOutputFormat.setOutputPath(job, outDir);
  
  // run the job
  JobClient jc = new JobClient(mrConf);
  RunningJob running = JobClient.runJob(job);
  assertEquals("Job failed", JobStatus.SUCCEEDED, running.getJobState());
  assertEquals("Didn't blacklist the host", 1, 
    jc.getClusterStatus().getBlacklistedTrackers());
  assertEquals("Fault count should be 1", 1, mr.getFaultCount(hosts[0]));

  // run the same job once again 
  // there should be no change in blacklist count
  running = JobClient.runJob(job);
  assertEquals("Job failed", JobStatus.SUCCEEDED, running.getJobState());
  assertEquals("Didn't blacklist the host", 1,
    jc.getClusterStatus().getBlacklistedTrackers());
  assertEquals("Fault count should be 1", 1, mr.getFaultCount(hosts[0]));
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:54，代码来源:TestTrackerBlacklistAcrossJobs.java

示例3: testBlacklistAcrossJobs

import org.apache.hadoop.examples.SleepJob.SleepInputFormat; //导入依赖的package包/类
public void testBlacklistAcrossJobs() throws IOException {
  MiniDFSCluster dfs = null;
  MiniMRCluster mr = null;
  FileSystem fileSys = null;
  Configuration conf = new Configuration();
  // set up dfs and input
  dfs = new MiniDFSCluster(conf, 1, true, null, hosts);
  fileSys = dfs.getFileSystem();
  if (!fileSys.mkdirs(inDir)) {
    throw new IOException("Mkdirs failed to create " + inDir.toString());
  }
  UtilsForTests.writeFile(dfs.getNameNode(), conf, 
                               new Path(inDir + "/file"), (short) 1);
  // start mr cluster
  JobConf jtConf = new JobConf();
  jtConf.setInt("mapred.max.tracker.blacklists", 1);
  mr = new MiniMRCluster(3, fileSys.getUri().toString(),
                         1, null, hosts, jtConf);

  // set up job configuration
  JobConf mrConf = mr.createJobConf();
  JobConf job = new JobConf(mrConf);
  job.setInt("mapred.max.tracker.failures", 1);
  job.setNumMapTasks(30);
  job.setNumReduceTasks(0);
  job.setMapperClass(SleepJobFailOnHost.class);
  job.setMapOutputKeyClass(IntWritable.class);
  job.setMapOutputValueClass(NullWritable.class);
  job.setOutputFormat(NullOutputFormat.class);
  job.setInputFormat(SleepInputFormat.class);
  FileInputFormat.setInputPaths(job, inDir);
  FileOutputFormat.setOutputPath(job, outDir);
  
  // run the job
  JobClient jc = new JobClient(mrConf);
  RunningJob running = JobClient.runJob(job);
  assertEquals("Job failed", JobStatus.SUCCEEDED, running.getJobState());
  // heuristic blacklisting is graylisting as of 0.20.Fred
  assertEquals("Blacklisted the host", 0,
    jc.getClusterStatus().getBlacklistedTrackers());
  assertEquals("Didn't graylist the host", 1,
    jc.getClusterStatus().getGraylistedTrackers());
  assertEquals("Fault count should be 1", 1, mr.getFaultCount(hosts[0]));

  // run the same job once again 
  // there should be no change in blacklist or graylist count, but fault
  // count (per-job blacklistings) should go up by one
  running = JobClient.runJob(job);
  assertEquals("Job failed", JobStatus.SUCCEEDED, running.getJobState());
  assertEquals("Blacklisted the host", 0,
    jc.getClusterStatus().getBlacklistedTrackers());
  assertEquals("Didn't graylist the host", 1,
    jc.getClusterStatus().getGraylistedTrackers());
  // previously this asserted 1, but makes no sense:  each per-job
  // blacklisting counts as a new fault, so 2 runs => 2 faults:
  assertEquals("Fault count should be 2", 2, mr.getFaultCount(hosts[0]));
}

开发者ID:Seagate，项目名称:hadoop-on-lustre，代码行数:58，代码来源:TestTrackerBlacklistAcrossJobs.java

示例4: testBlacklistAcrossJobs

import org.apache.hadoop.examples.SleepJob.SleepInputFormat; //导入依赖的package包/类
public void testBlacklistAcrossJobs() throws IOException {
  MiniDFSCluster dfs = null;
  MiniMRCluster mr = null;
  FileSystem fileSys = null;
  Configuration conf = new Configuration();
  // setup dfs and input
  dfs = new MiniDFSCluster(conf, 1, true, null, hosts);
  fileSys = dfs.getFileSystem();
  if (!fileSys.mkdirs(inDir)) {
    throw new IOException("Mkdirs failed to create " + inDir.toString());
  }
  UtilsForTests.writeFile(dfs.getNameNode(), conf, 
                               new Path(inDir + "/file"), (short) 1);
  // start mr cluster
  JobConf jtConf = new JobConf();
  jtConf.setInt("mapred.max.tracker.blacklists", 1);
  mr = new MiniMRCluster(3, fileSys.getUri().toString(),
                         1, null, hosts, jtConf);

  // setup job configuration
  JobConf mrConf = mr.createJobConf();
  JobConf job = new JobConf(mrConf);
  job.setInt("mapred.max.tracker.failures", 1);
  job.setNumMapTasks(30);
  job.setNumReduceTasks(0);
  job.setMapperClass(SleepJobFailOnHost.class);
  job.setMapOutputKeyClass(IntWritable.class);
  job.setMapOutputValueClass(NullWritable.class);
  job.setOutputFormat(NullOutputFormat.class);
  job.setInputFormat(SleepInputFormat.class);
  FileInputFormat.setInputPaths(job, inDir);
  FileOutputFormat.setOutputPath(job, outDir);
  
  // run the job
  JobClient jc = new JobClient(mrConf);
  RunningJob running = JobClient.runJob(job);
  assertEquals("Job failed", JobStatus.SUCCEEDED, running.getJobState());
  assertEquals("Didn't blacklist the host", 1, 
    jc.getClusterStatus().getBlacklistedTrackers());
  assertEquals("Fault count should be 1", 1, mr.getFaultCount(hosts[0]));

  // run the same job once again 
  // there should be no change in blacklist count
  running = JobClient.runJob(job);
  assertEquals("Job failed", JobStatus.SUCCEEDED, running.getJobState());
  assertEquals("Didn't blacklist the host", 1,
    jc.getClusterStatus().getBlacklistedTrackers());
  assertEquals("Fault count should be 1", 1, mr.getFaultCount(hosts[0]));
}

开发者ID:thisisvoa，项目名称:hadoop-0.20，代码行数:50，代码来源:TestTrackerBlacklistAcrossJobs.java

注：本文中的org.apache.hadoop.examples.SleepJob.SleepInputFormat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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Java SleepInputFormat类代码示例

示例1: testBlacklistAcrossJobs

示例2: testBlacklistAcrossJobs

示例3: testBlacklistAcrossJobs

示例4: testBlacklistAcrossJobs

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