How to use
isUpgradeFinalized
method
in
org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Best Java code snippets using org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol.isUpgradeFinalized (Showing top 9 results out of 315)

Common ways to obtain NamenodeProtocol

private void myMethod () {
 NamenodeProtocol n =PB.NamenodeProtocolPB rpcProxy;new NamenodeProtocolTranslatorPB(rpcProxy)
Object implementation;Map methodNameToPolicyMap;(NamenodeProtocol) RetryProxy.create(NamenodeProtocol.class, implementation, methodNameToPolicyMap)
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}

/**
 * @return true if an upgrade is in progress, false if not.
 * @throws IOException
 */
public boolean isUpgrading() throws IOException {
 // fsimage upgrade
 final boolean isUpgrade = !namenode.isUpgradeFinalized();
 // rolling upgrade
 RollingUpgradeInfo info = fs.rollingUpgrade(
   HdfsConstants.RollingUpgradeAction.QUERY);
 final boolean isRollingUpgrade = (info != null && !info.isFinalized());
 return (isUpgrade || isRollingUpgrade);
}

@Override
public IsUpgradeFinalizedResponseProto isUpgradeFinalized(
  RpcController controller, IsUpgradeFinalizedRequestProto request)
  throws ServiceException {
 boolean isUpgradeFinalized;
 try {
  isUpgradeFinalized = impl.isUpgradeFinalized();
 } catch (IOException e) {
  throw new ServiceException(e);
 }
 return IsUpgradeFinalizedResponseProto.newBuilder()
   .setIsUpgradeFinalized(isUpgradeFinalized).build();
}

 isUpgradeFinalized = proxy.isUpgradeFinalized();
 break;
} catch (IOException ioe) {

/**
 * @return true if an upgrade is in progress, false if not.
 * @throws IOException
 */
public boolean isUpgrading() throws IOException {
 // fsimage upgrade
 final boolean isUpgrade = !namenode.isUpgradeFinalized();
 // rolling upgrade
 RollingUpgradeInfo info = fs.rollingUpgrade(
   HdfsConstants.RollingUpgradeAction.QUERY);
 final boolean isRollingUpgrade = (info != null && !info.isFinalized());
 return (isUpgrade || isRollingUpgrade);
}

/**
 * @return true if an upgrade is in progress, false if not.
 * @throws IOException
 */
public boolean isUpgrading() throws IOException {
 // fsimage upgrade
 final boolean isUpgrade = !namenode.isUpgradeFinalized();
 // rolling upgrade
 RollingUpgradeInfo info = fs.rollingUpgrade(
   HdfsConstants.RollingUpgradeAction.QUERY);
 final boolean isRollingUpgrade = (info != null && !info.isFinalized());
 return (isUpgrade || isRollingUpgrade);
}

 @Override
 public IsUpgradeFinalizedResponseProto isUpgradeFinalized(
   RpcController controller, IsUpgradeFinalizedRequestProto request)
   throws ServiceException {
  boolean isUpgradeFinalized;
  try {
   isUpgradeFinalized = impl.isUpgradeFinalized();
  } catch (IOException e) {
   throw new ServiceException(e);
  }
  return IsUpgradeFinalizedResponseProto.newBuilder()
    .setIsUpgradeFinalized(isUpgradeFinalized).build();
 }
}

 @Override
 public IsUpgradeFinalizedResponseProto isUpgradeFinalized(
   RpcController controller, IsUpgradeFinalizedRequestProto request)
   throws ServiceException {
  boolean isUpgradeFinalized;
  try {
   isUpgradeFinalized = impl.isUpgradeFinalized();
  } catch (IOException e) {
   throw new ServiceException(e);
  }
  return IsUpgradeFinalizedResponseProto.newBuilder()
    .setIsUpgradeFinalized(isUpgradeFinalized).build();
 }
}

try {
 nsInfo = proxy.versionRequest();
 isUpgradeFinalized = proxy.isUpgradeFinalized();
} catch (IOException ioe) {
 LOG.fatal("Unable to fetch namespace information from active NN at " +

try {
 nsInfo = proxy.versionRequest();
 isUpgradeFinalized = proxy.isUpgradeFinalized();
} catch (IOException ioe) {
 LOG.fatal("Unable to fetch namespace information from active NN at " +

Popular methods of NamenodeProtocol

getBlocks
Get a list of blocks belonging to datanode whose total size equals size.
rollEditLog
Closes the current edit log and opens a new one. The call fails if the file system is in SafeMode.
getBlockKeys
Get the current block keys
getEditLogManifest
Return a structure containing details about all edit logs available to be fetched from the NameNode.
versionRequest
Request name-node version and storage information.
endCheckpoint
A request to the active name-node to finalize previously started checkpoint.
errorReport
Report to the active name-node an error occurred on a subordinate node. Depending on the error code
getMostRecentCheckpointTxId
Get the transaction ID of the most recent checkpoint.
getTransactionID
registerSubordinateNamenode
Register a subordinate name-node like backup node.
startCheckpoint
A request to the active name-node to start a checkpoint. The name-node should decide whether to admi
getEditLogSize
Get the size of the current edit log (in bytes).

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How to use isUpgradeFinalizedmethodin org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Best Java code snippets using org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol.isUpgradeFinalized (Showing top 9 results out of 315)

How to use
isUpgradeFinalized
method
in
org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol