Java RemoteEditLog类代码示例

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

RemoteEditLog类属于org.apache.hadoop.hdfs.server.protocol包，在下文中一共展示了RemoteEditLog类的13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: rollForwardByApplyingLogs

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
static void rollForwardByApplyingLogs(
    RemoteEditLogManifest manifest,
    FSImage dstImage,
    FSNamesystem dstNamesystem) throws IOException {
  NNStorage dstStorage = dstImage.getStorage();

  List<EditLogInputStream> editsStreams = Lists.newArrayList();    
  for (RemoteEditLog log : manifest.getLogs()) {
    if (log.getEndTxId() > dstImage.getLastAppliedTxId()) {
      File f = dstStorage.findFinalizedEditsFile(
          log.getStartTxId(), log.getEndTxId());
      editsStreams.add(new EditLogFileInputStream(f, log.getStartTxId(), 
                                                  log.getEndTxId(), true));
    }
  }
  LOG.info("Checkpointer about to load edits from " +
      editsStreams.size() + " stream(s).");
  dstImage.loadEdits(editsStreams, dstNamesystem);
}

开发者ID:naver，项目名称:hadoop，代码行数:20，代码来源:Checkpointer.java

示例2: getEditLogManifest

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
/**
 * @see QJournalProtocol#getEditLogManifest(String, long, boolean)
 */
public RemoteEditLogManifest getEditLogManifest(long sinceTxId,
    boolean inProgressOk) throws IOException {
  // No need to checkRequest() here - anyone may ask for the list
  // of segments.
  checkFormatted();
  
  List<RemoteEditLog> logs = fjm.getRemoteEditLogs(sinceTxId, inProgressOk);
  
  if (inProgressOk) {
    RemoteEditLog log = null;
    for (Iterator<RemoteEditLog> iter = logs.iterator(); iter.hasNext();) {
      log = iter.next();
      if (log.isInProgress()) {
        iter.remove();
        break;
      }
    }
    if (log != null && log.isInProgress()) {
      logs.add(new RemoteEditLog(log.getStartTxId(), getHighestWrittenTxId(),
          true));
    }
  }
  
  return new RemoteEditLogManifest(logs);
}

开发者ID:naver，项目名称:hadoop，代码行数:29，代码来源:Journal.java

示例3: rollForwardByApplyingLogs

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
static void rollForwardByApplyingLogs(
    RemoteEditLogManifest manifest,
    FSImage dstImage) throws IOException {
  NNStorage dstStorage = dstImage.storage;

  List<EditLogInputStream> editsStreams = new ArrayList<EditLogInputStream>();    
  for (RemoteEditLog log : manifest.getLogs()) {
    if (log.inProgress())
      break;
    File f = dstStorage.findFinalizedEditsFile(
        log.getStartTxId(), log.getEndTxId());
    if (log.getStartTxId() > dstImage.getLastAppliedTxId()) {
      editsStreams.add(new EditLogFileInputStream(f, log.getStartTxId(), 
                                                  log.getEndTxId(), false));
     }
  }
  dstImage.loadEdits(editsStreams);
}

开发者ID:rhli，项目名称:hadoop-EAR，代码行数:19，代码来源:FSImage.java

示例4: rollForwardByApplyingLogs

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
static void rollForwardByApplyingLogs(
    RemoteEditLogManifest manifest,
    FSImage dstImage,
    FSNamesystem dstNamesystem) throws IOException {
  NNStorage dstStorage = dstImage.getStorage();

  List<EditLogInputStream> editsStreams = Lists.newArrayList();    
  for (RemoteEditLog log : manifest.getLogs()) {
    if (log.getEndTxId() > dstImage.getLastAppliedTxId()) {
      File f = dstStorage.findFinalizedEditsFile(
          log.getStartTxId(), log.getEndTxId());
      editsStreams.add(new EditLogFileInputStream(f, log.getStartTxId(), 
                                                  log.getEndTxId(), true));
    }
  }
  LOG.info("Checkpointer about to load edits from " +
      editsStreams.size() + " stream(s).");
  dstImage.loadEdits(editsStreams, dstNamesystem, null);
}

开发者ID:ict-carch，项目名称:hadoop-plus，代码行数:20，代码来源:Checkpointer.java

示例5: getRemoteEditLogs

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
/**
 * Find all editlog segments starting at or above the given txid.
 * @param fromTxId the txnid which to start looking
 * @param inProgressOk whether or not to include the in-progress edit log 
 *        segment       
 * @return a list of remote edit logs
 * @throws IOException if edit logs cannot be listed.
 */
public List<RemoteEditLog> getRemoteEditLogs(long firstTxId,
    boolean inProgressOk) throws IOException {
  File currentDir = sd.getCurrentDir();
  List<EditLogFile> allLogFiles = matchEditLogs(currentDir);
  List<RemoteEditLog> ret = Lists.newArrayListWithCapacity(
      allLogFiles.size());

  for (EditLogFile elf : allLogFiles) {
    if (elf.hasCorruptHeader() || (!inProgressOk && elf.isInProgress())) {
      continue;
    }
    if (elf.getFirstTxId() >= firstTxId) {
      ret.add(new RemoteEditLog(elf.firstTxId, elf.lastTxId));
    } else if (elf.getFirstTxId() < firstTxId && firstTxId <= elf.getLastTxId()) {
      // If the firstTxId is in the middle of an edit log segment. Return this
      // anyway and let the caller figure out whether it wants to use it.
      ret.add(new RemoteEditLog(elf.firstTxId, elf.lastTxId));
    }
  }
  
  Collections.sort(ret);
  
  return ret;
}

开发者ID:Seagate，项目名称:hadoop-on-lustre2，代码行数:33，代码来源:FileJournalManager.java

示例6: getEditLogManifest

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
/**
 * @see QJournalProtocol#getEditLogManifest(String, long, boolean)
 */
public RemoteEditLogManifest getEditLogManifest(long sinceTxId,
    boolean inProgressOk) throws IOException {
  // No need to checkRequest() here - anyone may ask for the list
  // of segments.
  checkFormatted();
  
  List<RemoteEditLog> logs = fjm.getRemoteEditLogs(sinceTxId, inProgressOk);
  
  if (inProgressOk) {
    RemoteEditLog log = null;
    for (Iterator<RemoteEditLog> iter = logs.iterator(); iter.hasNext();) {
      log = iter.next();
      if (log.isInProgress()) {
        iter.remove();
        break;
      }
    }
    if (log != null && log.isInProgress()) {
      logs.add(new RemoteEditLog(log.getStartTxId(), getHighestWrittenTxId()));
    }
  }
  
  return new RemoteEditLogManifest(logs);
}

开发者ID:Seagate，项目名称:hadoop-on-lustre2，代码行数:28，代码来源:Journal.java

示例7: getParamStringForLog

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
static String getParamStringForLog(RemoteEditLog log,
    StorageInfo remoteStorageInfo) {
  return "getedit=1&" + START_TXID_PARAM + "=" + log.getStartTxId()
      + "&" + END_TXID_PARAM + "=" + log.getEndTxId()
      + "&" + STORAGEINFO_PARAM + "=" +
        remoteStorageInfo.toColonSeparatedString();
}

开发者ID:naver，项目名称:hadoop，代码行数:8，代码来源:ImageServlet.java

示例8: getRemoteEditLogs

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
/**
 * Find all editlog segments starting at or above the given txid.
 * @param firstTxId the txnid which to start looking
 * @param inProgressOk whether or not to include the in-progress edit log 
 *        segment       
 * @return a list of remote edit logs
 * @throws IOException if edit logs cannot be listed.
 */
public List<RemoteEditLog> getRemoteEditLogs(long firstTxId,
    boolean inProgressOk) throws IOException {
  File currentDir = sd.getCurrentDir();
  List<EditLogFile> allLogFiles = matchEditLogs(currentDir);
  List<RemoteEditLog> ret = Lists.newArrayListWithCapacity(
      allLogFiles.size());
  for (EditLogFile elf : allLogFiles) {
    if (elf.hasCorruptHeader() || (!inProgressOk && elf.isInProgress())) {
      continue;
    }
    if (elf.isInProgress()) {
      try {
        elf.validateLog();
      } catch (IOException e) {
        LOG.error("got IOException while trying to validate header of " +
            elf + ".  Skipping.", e);
        continue;
      }
    }
    if (elf.getFirstTxId() >= firstTxId) {
      ret.add(new RemoteEditLog(elf.firstTxId, elf.lastTxId,
          elf.isInProgress()));
    } else if (elf.getFirstTxId() < firstTxId && firstTxId <= elf.getLastTxId()) {
      // If the firstTxId is in the middle of an edit log segment. Return this
      // anyway and let the caller figure out whether it wants to use it.
      ret.add(new RemoteEditLog(elf.firstTxId, elf.lastTxId,
          elf.isInProgress()));
    }
  }
  
  Collections.sort(ret);
  
  return ret;
}

开发者ID:naver，项目名称:hadoop，代码行数:43，代码来源:FileJournalManager.java

示例9: convert

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
public static RemoteEditLogManifestProto convert(
    RemoteEditLogManifest manifest) {
  RemoteEditLogManifestProto.Builder builder = RemoteEditLogManifestProto
      .newBuilder();
  for (RemoteEditLog log : manifest.getLogs()) {
    builder.addLogs(convert(log));
  }
  return builder.build();
}

开发者ID:naver，项目名称:hadoop，代码行数:10，代码来源:PBHelper.java

示例10: selectInputStreams

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
@Override
public void selectInputStreams(Collection<EditLogInputStream> streams,
    long fromTxnId, boolean inProgressOk) throws IOException {

  QuorumCall<AsyncLogger, RemoteEditLogManifest> q =
      loggers.getEditLogManifest(fromTxnId, inProgressOk);
  Map<AsyncLogger, RemoteEditLogManifest> resps =
      loggers.waitForWriteQuorum(q, selectInputStreamsTimeoutMs,
          "selectInputStreams");
  
  LOG.debug("selectInputStream manifests:\n" +
      Joiner.on("\n").withKeyValueSeparator(": ").join(resps));
  
  final PriorityQueue<EditLogInputStream> allStreams = 
      new PriorityQueue<EditLogInputStream>(64,
          JournalSet.EDIT_LOG_INPUT_STREAM_COMPARATOR);
  for (Map.Entry<AsyncLogger, RemoteEditLogManifest> e : resps.entrySet()) {
    AsyncLogger logger = e.getKey();
    RemoteEditLogManifest manifest = e.getValue();
    
    for (RemoteEditLog remoteLog : manifest.getLogs()) {
      URL url = logger.buildURLToFetchLogs(remoteLog.getStartTxId());

      EditLogInputStream elis = EditLogFileInputStream.fromUrl(
          connectionFactory, url, remoteLog.getStartTxId(),
          remoteLog.getEndTxId(), remoteLog.isInProgress());
      allStreams.add(elis);
    }
  }
  JournalSet.chainAndMakeRedundantStreams(streams, allStreams, fromTxnId);
}

开发者ID:naver，项目名称:hadoop，代码行数:32，代码来源:QuorumJournalManager.java

示例11: testConvertRemoteEditLog

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
@Test
public void testConvertRemoteEditLog() {
  RemoteEditLog l = new RemoteEditLog(1, 100);
  RemoteEditLogProto lProto = PBHelper.convert(l);
  RemoteEditLog l1 = PBHelper.convert(lProto);
  compare(l, l1);
}

开发者ID:naver，项目名称:hadoop，代码行数:8，代码来源:TestPBHelper.java

示例12: testConvertRemoteEditLogManifest

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
@Test
public void testConvertRemoteEditLogManifest() {
  List<RemoteEditLog> logs = new ArrayList<RemoteEditLog>();
  logs.add(new RemoteEditLog(1, 10));
  logs.add(new RemoteEditLog(11, 20));
  RemoteEditLogManifest m = new RemoteEditLogManifest(logs);
  RemoteEditLogManifestProto mProto = PBHelper.convert(m);
  RemoteEditLogManifest m1 = PBHelper.convert(mProto);
  
  List<RemoteEditLog> logs1 = m1.getLogs();
  assertEquals(logs.size(), logs1.size());
  for (int i = 0; i < logs.size(); i++) {
    compare(logs.get(i), logs1.get(i));
  }
}

开发者ID:naver，项目名称:hadoop，代码行数:16，代码来源:TestPBHelper.java

示例13: getRemoteEditLogs

import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入依赖的package包/类
/**
 * Find all editlog segments starting at or above the given txid.
 * @param firstTxId the txnid which to start looking
 * @param inProgressOk whether or not to include the in-progress edit log 
 *        segment       
 * @return a list of remote edit logs
 * @throws IOException if edit logs cannot be listed.
 */
public List<RemoteEditLog> getRemoteEditLogs(long firstTxId,
    boolean inProgressOk) throws IOException {
  File currentDir = sd.getCurrentDir();
  List<EditLogFile> allLogFiles = matchEditLogs(currentDir);
  List<RemoteEditLog> ret = Lists.newArrayListWithCapacity(
      allLogFiles.size());
  for (EditLogFile elf : allLogFiles) {
    if (elf.hasCorruptHeader() || (!inProgressOk && elf.isInProgress())) {
      continue;
    }
    if (elf.isInProgress()) {
      try {
        elf.scanLog(getLastReadableTxId(), true);
      } catch (IOException e) {
        LOG.error("got IOException while trying to validate header of " +
            elf + ".  Skipping.", e);
        continue;
      }
    }
    if (elf.getFirstTxId() >= firstTxId) {
      ret.add(new RemoteEditLog(elf.firstTxId, elf.lastTxId,
          elf.isInProgress()));
    } else if (elf.getFirstTxId() < firstTxId && firstTxId <= elf.getLastTxId()) {
      // If the firstTxId is in the middle of an edit log segment. Return this
      // anyway and let the caller figure out whether it wants to use it.
      ret.add(new RemoteEditLog(elf.firstTxId, elf.lastTxId,
          elf.isInProgress()));
    }
  }
  
  Collections.sort(ret);
  
  return ret;
}

开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:43，代码来源:FileJournalManager.java

注：本文中的org.apache.hadoop.hdfs.server.protocol.RemoteEditLog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 RemoteEditLog类代码示例

示例1: rollForwardByApplyingLogs

示例2: getEditLogManifest

示例3: rollForwardByApplyingLogs

示例4: rollForwardByApplyingLogs

示例5: getRemoteEditLogs

示例6: getEditLogManifest

示例7: getParamStringForLog

示例8: getRemoteEditLogs

示例9: convert

示例10: selectInputStreams

示例11: testConvertRemoteEditLog

示例12: testConvertRemoteEditLogManifest

示例13: getRemoteEditLogs

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