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Java ThrottledInputStream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.tools.util.ThrottledInputStream的典型用法代码示例。如果您正苦于以下问题:Java ThrottledInputStream类的具体用法?Java ThrottledInputStream怎么用?Java ThrottledInputStream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。



ThrottledInputStream类属于org.apache.hadoop.tools.util包,在下文中一共展示了ThrottledInputStream类的7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: copyBytes

import org.apache.hadoop.tools.util.ThrottledInputStream; //导入依赖的package包/类
private long copyBytes(FileStatus sourceFileStatus, OutputStream outStream,
                       int bufferSize, Mapper.Context context)
    throws IOException {
  Path source = sourceFileStatus.getPath();
  byte buf[] = new byte[bufferSize];
  ThrottledInputStream inStream = null;
  long totalBytesRead = 0;

  try {
    inStream = getInputStream(source, context.getConfiguration());
    int bytesRead = readBytes(inStream, buf);
    while (bytesRead >= 0) {
      totalBytesRead += bytesRead;
      outStream.write(buf, 0, bytesRead);
      updateContextStatus(totalBytesRead, context, sourceFileStatus);
      bytesRead = inStream.read(buf);
    }
  } finally {
    IOUtils.cleanup(LOG, outStream, inStream);
  }

  return totalBytesRead;
}
 
开发者ID:ict-carch,项目名称:hadoop-plus,代码行数:24,代码来源:RetriableFileCopyCommand.java


示例2: copyBytes

import org.apache.hadoop.tools.util.ThrottledInputStream; //导入依赖的package包/类
@VisibleForTesting
long copyBytes(FileStatus sourceFileStatus, OutputStream outStream,
                       int bufferSize, Mapper.Context context)
    throws IOException {
  Path source = sourceFileStatus.getPath();
  byte buf[] = new byte[bufferSize];
  ThrottledInputStream inStream = null;
  long totalBytesRead = 0;

  try {
    inStream = getInputStream(source, context.getConfiguration());
    int bytesRead = readBytes(inStream, buf);
    while (bytesRead >= 0) {
      totalBytesRead += bytesRead;
      outStream.write(buf, 0, bytesRead);
      updateContextStatus(totalBytesRead, context, sourceFileStatus);
      bytesRead = inStream.read(buf);
    }
    outStream.close();
    outStream = null;
  } finally {
    IOUtils.cleanup(LOG, outStream, inStream);
  }

  return totalBytesRead;
}
 
开发者ID:Seagate,项目名称:hadoop-on-lustre2,代码行数:27,代码来源:RetriableFileCopyCommand.java


示例3: copyBytes

import org.apache.hadoop.tools.util.ThrottledInputStream; //导入依赖的package包/类
@VisibleForTesting
long copyBytes(FileStatus sourceFileStatus, long sourceOffset,
    OutputStream outStream, int bufferSize, Mapper.Context context)
    throws IOException {
  Path source = sourceFileStatus.getPath();
  byte buf[] = new byte[bufferSize];
  ThrottledInputStream inStream = null;
  long totalBytesRead = 0;

  try {
    inStream = getInputStream(source, context.getConfiguration());
    int bytesRead = readBytes(inStream, buf, sourceOffset);
    while (bytesRead >= 0) {
      totalBytesRead += bytesRead;
      if (action == FileAction.APPEND) {
        sourceOffset += bytesRead;
      }
      outStream.write(buf, 0, bytesRead);
      updateContextStatus(totalBytesRead, context, sourceFileStatus);
      bytesRead = readBytes(inStream, buf, sourceOffset);
    }
    outStream.close();
    outStream = null;
  } finally {
    IOUtils.cleanup(LOG, outStream, inStream);
  }
  return totalBytesRead;
}
 
开发者ID:naver,项目名称:hadoop,代码行数:29,代码来源:RetriableFileCopyCommand.java


示例4: readBytes

import org.apache.hadoop.tools.util.ThrottledInputStream; //导入依赖的package包/类
private static int readBytes(ThrottledInputStream inStream, byte buf[],
    long position) throws IOException {
  try {
    if (position == 0) {
      return inStream.read(buf);
    } else {
      return inStream.read(position, buf, 0, buf.length);
    }
  } catch (IOException e) {
    throw new CopyReadException(e);
  }
}
 
开发者ID:naver,项目名称:hadoop,代码行数:13,代码来源:RetriableFileCopyCommand.java


示例5: getInputStream

import org.apache.hadoop.tools.util.ThrottledInputStream; //导入依赖的package包/类
private static ThrottledInputStream getInputStream(Path path,
    Configuration conf) throws IOException {
  try {
    FileSystem fs = path.getFileSystem(conf);
    long bandwidthMB = conf.getInt(DistCpConstants.CONF_LABEL_BANDWIDTH_MB,
            DistCpConstants.DEFAULT_BANDWIDTH_MB);
    FSDataInputStream in = fs.open(path);
    return new ThrottledInputStream(in, bandwidthMB * 1024 * 1024);
  }
  catch (IOException e) {
    throw new CopyReadException(e);
  }
}
 
开发者ID:naver,项目名称:hadoop,代码行数:14,代码来源:RetriableFileCopyCommand.java


示例6: getInputStream

import org.apache.hadoop.tools.util.ThrottledInputStream; //导入依赖的package包/类
private static ThrottledInputStream getInputStream(Path path,
    Configuration conf) throws IOException {
  try {
    FileSystem fs = path.getFileSystem(conf);
    float bandwidthMB = conf.getFloat(DistCpConstants.CONF_LABEL_BANDWIDTH_MB,
            DistCpConstants.DEFAULT_BANDWIDTH_MB);
    FSDataInputStream in = fs.open(path);
    return new ThrottledInputStream(in, bandwidthMB * 1024 * 1024);
  }
  catch (IOException e) {
    throw new CopyReadException(e);
  }
}
 
开发者ID:aliyun-beta,项目名称:aliyun-oss-hadoop-fs,代码行数:14,代码来源:RetriableFileCopyCommand.java


示例7: getInputStream

import org.apache.hadoop.tools.util.ThrottledInputStream; //导入依赖的package包/类
private static ThrottledInputStream getInputStream(Path path, Configuration conf)
        throws IOException {
  try {
    FileSystem fs = path.getFileSystem(conf);
    long bandwidthMB = conf.getInt(DistCpConstants.CONF_LABEL_BANDWIDTH_MB,
            DistCpConstants.DEFAULT_BANDWIDTH_MB);
    return new ThrottledInputStream(new BufferedInputStream(fs.open(path)),
            bandwidthMB * 1024 * 1024);
  }
  catch (IOException e) {
    throw new CopyReadException(e);
  }
}
 
开发者ID:ict-carch,项目名称:hadoop-plus,代码行数:14,代码来源:RetriableFileCopyCommand.java



注:本文中的org.apache.hadoop.tools.util.ThrottledInputStream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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