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Java SequenceFileAsBinaryOutputFormat类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

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



SequenceFileAsBinaryOutputFormat类属于org.apache.hadoop.mapreduce.lib.output包,在下文中一共展示了SequenceFileAsBinaryOutputFormat类的12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: run

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
public int run(Path outputDir, int numReducers) throws Exception {
  LOG.info("Running Verify with outputDir=" + outputDir +", numReducers=" + numReducers);

  job = Job.getInstance(getConf());

  job.setJobName("Link Verifier");
  job.setNumReduceTasks(numReducers);
  job.setJarByClass(getClass());

  setJobScannerConf(job);

  Scan scan = new Scan();
  scan.addColumn(FAMILY_NAME, COLUMN_PREV);
  scan.setCaching(10000);
  scan.setCacheBlocks(false);
  if (isMultiUnevenColumnFamilies(getConf())) {
    scan.addColumn(BIG_FAMILY_NAME, BIG_FAMILY_NAME);
    scan.addColumn(TINY_FAMILY_NAME, TINY_FAMILY_NAME);
  }

  TableMapReduceUtil.initTableMapperJob(getTableName(getConf()).getName(), scan,
      VerifyMapper.class, BytesWritable.class, BytesWritable.class, job);
  TableMapReduceUtil.addDependencyJars(job.getConfiguration(), AbstractHBaseTool.class);

  job.getConfiguration().setBoolean("mapreduce.map.speculative", false);

  job.setReducerClass(VerifyReducer.class);
  job.setOutputFormatClass(SequenceFileAsBinaryOutputFormat.class);
  job.setOutputKeyClass(BytesWritable.class);
  job.setOutputValueClass(BytesWritable.class);
  TextOutputFormat.setOutputPath(job, outputDir);

  boolean success = job.waitForCompletion(true);

  if (success) {
    Counters counters = job.getCounters();
    if (null == counters) {
      LOG.warn("Counters were null, cannot verify Job completion");
      // We don't have access to the counters to know if we have "bad" counts
      return 0;
    }

    // If we find no unexpected values, the job didn't outright fail
    if (verifyUnexpectedValues(counters)) {
      // We didn't check referenced+unreferenced counts, leave that to visual inspection
      return 0;
    }
  }

  // We failed
  return 1;
}
 
开发者ID:fengchen8086,项目名称:ditb,代码行数:53,代码来源:IntegrationTestBigLinkedList.java


示例2: run

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
public int run(Path outputDir, int numReducers) throws Exception {
  LOG.info("Running Verify with outputDir=" + outputDir +", numReducers=" + numReducers);

  job = Job.getInstance(getConf());

  job.setJobName("Link Verifier");
  job.setNumReduceTasks(numReducers);
  job.setJarByClass(getClass());

  setJobScannerConf(job);

  Scan scan = new Scan();
  scan.addColumn(FAMILY_NAME, COLUMN_PREV);
  scan.setCaching(10000);
  scan.setCacheBlocks(false);
  if (isMultiUnevenColumnFamilies(getConf())) {
    scan.addColumn(BIG_FAMILY_NAME, BIG_FAMILY_NAME);
    scan.addColumn(TINY_FAMILY_NAME, TINY_FAMILY_NAME);
  }

  TableMapReduceUtil.initTableMapperJob(getTableName(getConf()).getName(), scan,
      VerifyMapper.class, BytesWritable.class, BytesWritable.class, job);
  TableMapReduceUtil.addDependencyJarsForClasses(job.getConfiguration(),
                                                 AbstractHBaseTool.class);

  job.getConfiguration().setBoolean("mapreduce.map.speculative", false);

  job.setReducerClass(VerifyReducer.class);
  job.setOutputFormatClass(SequenceFileAsBinaryOutputFormat.class);
  job.setOutputKeyClass(BytesWritable.class);
  job.setOutputValueClass(BytesWritable.class);
  TextOutputFormat.setOutputPath(job, outputDir);

  boolean success = job.waitForCompletion(true);

  if (success) {
    Counters counters = job.getCounters();
    if (null == counters) {
      LOG.warn("Counters were null, cannot verify Job completion."
          + " This is commonly a result of insufficient YARN configuration.");
      // We don't have access to the counters to know if we have "bad" counts
      return 0;
    }

    // If we find no unexpected values, the job didn't outright fail
    if (verifyUnexpectedValues(counters)) {
      // We didn't check referenced+unreferenced counts, leave that to visual inspection
      return 0;
    }
  }

  // We failed
  return 1;
}
 
开发者ID:apache,项目名称:hbase,代码行数:55,代码来源:IntegrationTestBigLinkedList.java


示例3: getOutputCompressorClass

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for
 * {@link SequenceFileAsBinaryOutputFormat#getOutputCompressorClass(org.apache.hadoop.mapreduce.JobContext, Class)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 *
 * @return the output compressor class
 */
@JSStaticFunction
public static Object getOutputCompressorClass(final Context ctx, final Scriptable thisObj, final Object[] args,
                                       final Function func) {
    return FileOutputFormatHelper.getOutputCompressorClass(SequenceFileAsBinaryOutputFormat.class, ctx, thisObj,
                                                           args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:18,代码来源:SequenceFileAsBinaryOutputFormatWrap.java


示例4: getOutputCompressionType

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for
 * {@link SequenceFileAsBinaryOutputFormat#getOutputCompressionType(org.apache.hadoop.mapreduce.JobContext)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 *
 * @return the output compression type
 */
@JSStaticFunction
public static Object getOutputCompressionType(final Context ctx, final Scriptable thisObj, final Object[] args,
                                              final Function func) {
    return SequenceFileOutputFormatHelper.getOutputCompressionType(SequenceFileAsBinaryOutputFormat.class, ctx,
                                                                   thisObj, args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:18,代码来源:SequenceFileAsBinaryOutputFormatWrap.java


示例5: setOutputCompressionType

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for {@link SequenceFileAsBinaryOutputFormat
 *                                 #setOutputCompressionType(org.apache.hadoop.mapreduce.Job,
 *                                                           org.apache.hadoop.io.SequenceFile.CompressionType)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 */
@JSStaticFunction
public static void setOutputCompressionType(final Context ctx, final Scriptable thisObj, final Object[] args,
                                            final Function func) {
    SequenceFileOutputFormatHelper.setOutputCompressionType(SequenceFileAsBinaryOutputFormat.class, ctx, thisObj,
                                                            args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:17,代码来源:SequenceFileAsBinaryOutputFormatWrap.java


示例6: getCompressOutput

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for
 * {@link SequenceFileAsBinaryOutputFormat#getCompressOutput(org.apache.hadoop.mapreduce.JobContext)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 *
 * @return whether or not the output is compressed
 */
@JSStaticFunction
public static Object getCompressOutput(final Context ctx, final Scriptable thisObj, final Object[] args,
                                     final Function func) {
    return FileOutputFormatHelper.getCompressOutput(SequenceFileAsBinaryOutputFormat.class, ctx, thisObj, args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:17,代码来源:SequenceFileAsBinaryOutputFormatWrap.java


示例7: getOutputPath

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for {@link SequenceFileAsBinaryOutputFormat#getOutputPath(org.apache.hadoop.mapreduce.JobContext)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 *
 * @return the output path
 */
@JSStaticFunction
public static Object getOutputPath(final Context ctx, final Scriptable thisObj, final Object[] args,
                                   final Function func) {
    return FileOutputFormatHelper.getOutputPath(SequenceFileAsBinaryOutputFormat.class, ctx, thisObj, args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:16,代码来源:SequenceFileAsBinaryOutputFormatWrap.java


示例8: getPathForWorkFile

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for
 * {@link SequenceFileAsBinaryOutputFormat
 *                #getPathForWorkFile(org.apache.hadoop.mapreduce.TaskInputOutputContext, String, String)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 *
 * @return the path for the work file
 */
@JSStaticFunction
public static Object getPathForWorkFile(final Context ctx, final Scriptable thisObj, final Object[] args,
                                        final Function func) {
    return FileOutputFormatHelper.getPathForWorkFile(SequenceFileAsBinaryOutputFormat.class, ctx, thisObj, args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:18,代码来源:SequenceFileAsBinaryOutputFormatWrap.java


示例9: getWorkOutputPath

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for
 * {@link SequenceFileAsBinaryOutputFormat#getWorkOutputPath(org.apache.hadoop.mapreduce.TaskInputOutputContext)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 *
 * @return the path for the work output
 */
@JSStaticFunction
public static Object getWorkOutputPath(final Context ctx, final Scriptable thisObj, final Object[] args,
                                       final Function func) {
    return FileOutputFormatHelper.getWorkOutputPath(SequenceFileAsBinaryOutputFormat.class, ctx, thisObj, args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:17,代码来源:SequenceFileAsBinaryOutputFormatWrap.java


示例10: setCompressOutput

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for
 * {@link SequenceFileAsBinaryOutputFormat#setCompressOutput(org.apache.hadoop.mapreduce.Job, boolean)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 */
@JSStaticFunction
public static void setCompressOutput(final Context ctx, final Scriptable thisObj, final Object[] args,
                                     final Function func) {
    FileOutputFormatHelper.setCompressOutput(SequenceFileAsBinaryOutputFormat.class, ctx, thisObj, args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:15,代码来源:SequenceFileAsBinaryOutputFormatWrap.java


示例11: setOutputCompressorClass

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for
 * {@link SequenceFileAsBinaryOutputFormat#setOutputCompressorClass(org.apache.hadoop.mapreduce.Job, Class)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 */
@JSStaticFunction
public static void setOutputCompressorClass(final Context ctx, final Scriptable thisObj, final Object[] args,
                                            final Function func) {
    FileOutputFormatHelper.setOutputCompressorClass(SequenceFileAsBinaryOutputFormat.class, ctx, thisObj, args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:15,代码来源:SequenceFileAsBinaryOutputFormatWrap.java


示例12: setOutputPath

import org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat; //导入依赖的package包/类
/**
 * Java wrapper for
 * {@link SequenceFileAsBinaryOutputFormat#setOutputPath(org.apache.hadoop.mapreduce.Job,
 *                                                       org.apache.hadoop.fs.Path)}.
 *
 * @param ctx the JavaScript context
 * @param thisObj the 'this' object
 * @param args the function arguments
 * @param func the function being called
 */
@JSStaticFunction
public static void setOutputPath(final Context ctx, final Scriptable thisObj, final Object[] args,
                                 final Function func) {
    FileOutputFormatHelper.setOutputPath(SequenceFileAsBinaryOutputFormat.class, ctx, thisObj, args);
}
 
开发者ID:apigee,项目名称:lembos,代码行数:16,代码来源:SequenceFileAsBinaryOutputFormatWrap.java



注:本文中的org.apache.hadoop.mapreduce.lib.output.SequenceFileAsBinaryOutputFormat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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