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Java RollingUpgradeInfo类代码示例

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


RollingUpgradeInfo类属于org.apache.hadoop.hdfs.protocol包，在下文中一共展示了RollingUpgradeInfo类的15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，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: printMessage

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
private static void printMessage(RollingUpgradeInfo info,
    PrintStream out) {
  if (info != null && info.isStarted()) {
    if (!info.createdRollbackImages() && !info.isFinalized()) {
      out.println(
          "Preparing for upgrade. Data is being saved for rollback."
          + "\nRun \"dfsadmin -rollingUpgrade query\" to check the status"
          + "\nfor proceeding with rolling upgrade");
        out.println(info);
    } else if (!info.isFinalized()) {
      out.println("Proceed with rolling upgrade:");
      out.println(info);
    } else {
      out.println("Rolling upgrade is finalized.");
      out.println(info);
    }
  } else {
    out.println("There is no rolling upgrade in progress or rolling " +
        "upgrade has already been finalized.");
  }
}
开发者ID:naver，项目名称:hadoop，代码行数:22，代码来源:DFSAdmin.java

示例2: run

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
static int run(DistributedFileSystem dfs, String[] argv, int idx) throws IOException {
  final RollingUpgradeAction action = RollingUpgradeAction.fromString(
      argv.length >= 2? argv[1]: "");
  if (action == null) {
    throw new IllegalArgumentException("Failed to covert \"" + argv[1]
        +"\" to " + RollingUpgradeAction.class.getSimpleName());
  }

  System.out.println(action + " rolling upgrade ...");

  final RollingUpgradeInfo info = dfs.rollingUpgrade(action);
  switch(action){
  case QUERY:
    break;
  case PREPARE:
    Preconditions.checkState(info.isStarted());
    break;
  case FINALIZE:
    Preconditions.checkState(info == null || info.isFinalized());
    break;
  }
  printMessage(info, System.out);
  return 0;
}
开发者ID:naver，项目名称:hadoop，代码行数:25，代码来源:DFSAdmin.java

示例3: queryForPreparation

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
static void queryForPreparation(DistributedFileSystem dfs) throws IOException,
    InterruptedException {
  RollingUpgradeInfo info;
  int retries = 0;
  while (++retries < 10) {
    info = dfs.rollingUpgrade(RollingUpgradeAction.QUERY);
    if (info.createdRollbackImages()) {
      break;
    }
    Thread.sleep(1000);
  }

  if (retries >= 10) {
    Assert.fail("Query return false");
  }
}
开发者ID:naver，项目名称:hadoop，代码行数:17，代码来源:TestRollingUpgrade.java

示例4: rollingUpgrade

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
@Override
public RollingUpgradeInfo rollingUpgrade(RollingUpgradeAction action)
    throws IOException {
  final RollingUpgradeRequestProto r = RollingUpgradeRequestProto.newBuilder()
      .setAction(PBHelperClient.convert(action)).build();
  try {
    final RollingUpgradeResponseProto proto =
        rpcProxy.rollingUpgrade(null, r);
    if (proto.hasRollingUpgradeInfo()) {
      return PBHelperClient.convert(proto.getRollingUpgradeInfo());
    }
    return null;
  } catch (ServiceException e) {
    throw ProtobufHelper.getRemoteException(e);
  }
}
开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:17，代码来源:ClientNamenodeProtocolTranslatorPB.java

示例5: queryRollingUpgrade

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
RollingUpgradeInfo queryRollingUpgrade() throws IOException {
  checkSuperuserPrivilege();
  checkOperation(OperationCategory.READ);
  readLock();
  try {
    if (!isRollingUpgrade()) {
      return null;
    }
    Preconditions.checkNotNull(rollingUpgradeInfo);
    boolean hasRollbackImage = this.getFSImage().hasRollbackFSImage();
    rollingUpgradeInfo.setCreatedRollbackImages(hasRollbackImage);
    return rollingUpgradeInfo;
  } finally {
    readUnlock();
  }
}
开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:17，代码来源:FSNamesystem.java

示例6: printMessage

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
private static void printMessage(RollingUpgradeInfo info,
    PrintStream out) {
  if (info != null && info.isStarted()) {
    if (!info.createdRollbackImages()) {
      out.println(
          "Preparing for upgrade. Data is being saved for rollback."
          + "\nRun \"dfsadmin -rollingUpgrade query\" to check the status"
          + "\nfor proceeding with rolling upgrade");
        out.println(info);
    } else if (!info.isFinalized()) {
      out.println("Proceed with rolling upgrade:");
      out.println(info);
    } else {
      out.println("Rolling upgrade is finalized.");
      out.println(info);
    }
  } else {
    out.println("There is no rolling upgrade in progress or rolling " +
        "upgrade has already been finalized.");
  }
}
开发者ID:yncxcw，项目名称:FlexMap，代码行数:22，代码来源:DFSAdmin.java

示例7: finalizeRollingUpgrade

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
RollingUpgradeInfo finalizeRollingUpgrade() throws IOException {
  checkSuperuserPrivilege();
  checkOperation(OperationCategory.WRITE);
  writeLock();
  final RollingUpgradeInfo returnInfo;
  try {
    checkOperation(OperationCategory.WRITE);
    checkNameNodeSafeMode("Failed to finalize rolling upgrade");

    returnInfo = finalizeRollingUpgradeInternal(now());
    getEditLog().logFinalizeRollingUpgrade(returnInfo.getFinalizeTime());
    getFSImage().saveNamespace(this);
    getFSImage().renameCheckpoint(NameNodeFile.IMAGE_ROLLBACK,
        NameNodeFile.IMAGE);
  } finally {
    writeUnlock();
  }

  // getEditLog().logSync() is not needed since it does saveNamespace 

  if (auditLog.isInfoEnabled() && isExternalInvocation()) {
    logAuditEvent(true, "finalizeRollingUpgrade", null, null, null);
  }
  return returnInfo;
}
开发者ID:Seagate，项目名称:hadoop-on-lustre2，代码行数:26，代码来源:FSNamesystem.java

示例8: printMessage

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
private static void printMessage(RollingUpgradeInfo info,
    PrintStream out) {
  if (info != null && info.isStarted()) {
    if (!info.createdRollbackImages()) {
      out.println(
          "Preparing for upgrade. Data is being saved for rollback."
          + "\nRun \"dfsadmin -rollingUpgrade query\" to check the status"
          + "\nfor proceeding with rolling upgrade");
        out.println(info);
    } else if (!info.isFinalized()) {
      out.println("Proceed with rolling upgrade:");
      out.println(info);
    } else {
      out.println("Rolling upgrade is finalized.");
      out.println(info);
    }
  } else {
    out.println("There is no rolling upgrade in progress.");
  }
}
开发者ID:Seagate，项目名称:hadoop-on-lustre2，代码行数:21，代码来源:DFSAdmin.java

示例9: run

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
static int run(DistributedFileSystem dfs, String[] argv, int idx) throws IOException {
  final RollingUpgradeAction action = RollingUpgradeAction.fromString(
      argv.length >= 2? argv[1]: "");
  if (action == null) {
    throw new IllegalArgumentException("Failed to covert \"" + argv[1]
        +"\" to " + RollingUpgradeAction.class.getSimpleName());
  }

  System.out.println(action + " rolling upgrade ...");

  final RollingUpgradeInfo info = dfs.rollingUpgrade(action);
  switch(action){
  case QUERY:
    break;
  case PREPARE:
    Preconditions.checkState(info.isStarted());
    break;
  case FINALIZE:
    Preconditions.checkState(info.isFinalized());
    break;
  }
  printMessage(info, System.out);
  return 0;
}
开发者ID:Seagate，项目名称:hadoop-on-lustre2，代码行数:25，代码来源:DFSAdmin.java

示例10: rollingUpgrade

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
RollingUpgradeInfo rollingUpgrade(RollingUpgradeAction action) throws IOException {
  TraceScope scope = Trace.startSpan("rollingUpgrade", traceSampler);
  try {
    return namenode.rollingUpgrade(action);
  } finally {
    scope.close();
  }
}
开发者ID:naver，项目名称:hadoop，代码行数:9，代码来源:DFSClient.java

示例11: queryRollingUpgrade

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
RollingUpgradeInfo queryRollingUpgrade() throws IOException {
  checkSuperuserPrivilege();
  checkOperation(OperationCategory.READ);
  readLock();
  try {
    if (rollingUpgradeInfo != null) {
      boolean hasRollbackImage = this.getFSImage().hasRollbackFSImage();
      rollingUpgradeInfo.setCreatedRollbackImages(hasRollbackImage);
    }
    return rollingUpgradeInfo;
  } finally {
    readUnlock();
  }
}
开发者ID:naver，项目名称:hadoop，代码行数:15，代码来源:FSNamesystem.java

示例12: startRollingUpgrade

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
RollingUpgradeInfo startRollingUpgrade() throws IOException {
  checkSuperuserPrivilege();
  checkOperation(OperationCategory.WRITE);
  writeLock();
  try {
    checkOperation(OperationCategory.WRITE);
    if (isRollingUpgrade()) {
      return rollingUpgradeInfo;
    }
    long startTime = now();
    if (!haEnabled) { // for non-HA, we require NN to be in safemode
      startRollingUpgradeInternalForNonHA(startTime);
    } else { // for HA, NN cannot be in safemode
      checkNameNodeSafeMode("Failed to start rolling upgrade");
      startRollingUpgradeInternal(startTime);
    }

    getEditLog().logStartRollingUpgrade(rollingUpgradeInfo.getStartTime());
    if (haEnabled) {
      // roll the edit log to make sure the standby NameNode can tail
      getFSImage().rollEditLog();
    }
  } finally {
    writeUnlock();
  }

  getEditLog().logSync();
  if (auditLog.isInfoEnabled() && isExternalInvocation()) {
    logAuditEvent(true, "startRollingUpgrade", null, null, null);
  }
  return rollingUpgradeInfo;
}
开发者ID:naver，项目名称:hadoop，代码行数:33，代码来源:FSNamesystem.java

示例13: getRollingUpgradeStatus

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
@Override  // NameNodeMXBean
public RollingUpgradeInfo.Bean getRollingUpgradeStatus() {
  if (!isRollingUpgrade()) {
    return null;
  }
  RollingUpgradeInfo upgradeInfo = getRollingUpgradeInfo();
  if (upgradeInfo.createdRollbackImages()) {
    return new RollingUpgradeInfo.Bean(upgradeInfo);
  }
  readLock();
  try {
    // check again after acquiring the read lock.
    upgradeInfo = getRollingUpgradeInfo();
    if (upgradeInfo == null) {
      return null;
    }
    if (!upgradeInfo.createdRollbackImages()) {
      boolean hasRollbackImage = this.getFSImage().hasRollbackFSImage();
      upgradeInfo.setCreatedRollbackImages(hasRollbackImage);
    }
  } catch (IOException ioe) {
    LOG.warn("Encountered exception setting Rollback Image", ioe);
  } finally {
    readUnlock();
  }
  return new RollingUpgradeInfo.Bean(upgradeInfo);
}
开发者ID:naver，项目名称:hadoop，代码行数:28，代码来源:FSNamesystem.java

示例14: finalizeRollingUpgrade

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
RollingUpgradeInfo finalizeRollingUpgrade() throws IOException {
  checkSuperuserPrivilege();
  checkOperation(OperationCategory.WRITE);
  writeLock();
  final RollingUpgradeInfo returnInfo;
  try {
    checkOperation(OperationCategory.WRITE);
    if (!isRollingUpgrade()) {
      return null;
    }
    checkNameNodeSafeMode("Failed to finalize rolling upgrade");

    returnInfo = finalizeRollingUpgradeInternal(now());
    getEditLog().logFinalizeRollingUpgrade(returnInfo.getFinalizeTime());
    if (haEnabled) {
      // roll the edit log to make sure the standby NameNode can tail
      getFSImage().rollEditLog();
    }
    getFSImage().updateStorageVersion();
    getFSImage().renameCheckpoint(NameNodeFile.IMAGE_ROLLBACK,
        NameNodeFile.IMAGE);
  } finally {
    writeUnlock();
  }

  if (!haEnabled) {
    // Sync not needed for ha since the edit was rolled after logging.
    getEditLog().logSync();
  }

  if (auditLog.isInfoEnabled() && isExternalInvocation()) {
    logAuditEvent(true, "finalizeRollingUpgrade", null, null, null);
  }
  return returnInfo;
}
开发者ID:naver，项目名称:hadoop，代码行数:36，代码来源:FSNamesystem.java

示例15: rollingUpgrade

import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入依赖的package包/类
@Override // ClientProtocol
public RollingUpgradeInfo rollingUpgrade(RollingUpgradeAction action) throws IOException {
  checkNNStartup();
  LOG.info("rollingUpgrade " + action);
  switch(action) {
  case QUERY:
    return namesystem.queryRollingUpgrade();
  case PREPARE:
    return namesystem.startRollingUpgrade();
  case FINALIZE:
    return namesystem.finalizeRollingUpgrade();
  default:
    throw new UnsupportedActionException(action + " is not yet supported.");
  }
}
开发者ID:naver，项目名称:hadoop，代码行数:16，代码来源:NameNodeRpcServer.java


注：本文中的org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。