本文整理汇总了Java中org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption.setClusterId方法的典型用法代码示例。如果您正苦于以下问题：Java StartupOption.setClusterId方法的具体用法？Java StartupOption.setClusterId怎么用？Java StartupOption.setClusterId使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption的用法示例。
在下文中一共展示了StartupOption.setClusterId方法的2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: processStartupOptionsForUpgrade
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption; //导入方法依赖的package包/类
/**
* Processes the startup options for the clusterid and blockpoolid
* for the upgrade.
* @param startOpt Startup options
* @param layoutVersion Layout version for the upgrade
* @throws IOException
*/
void processStartupOptionsForUpgrade(StartupOption startOpt, int layoutVersion)
throws IOException {
if (startOpt == StartupOption.UPGRADE || startOpt == StartupOption.UPGRADEONLY) {
// If upgrade from a release that does not support federation,
// if clusterId is provided in the startupOptions use it.
// Else generate a new cluster ID
if (!NameNodeLayoutVersion.supports(
LayoutVersion.Feature.FEDERATION, layoutVersion)) {
if (startOpt.getClusterId() == null) {
startOpt.setClusterId(newClusterID());
}
setClusterID(startOpt.getClusterId());
setBlockPoolID(newBlockPoolID());
} else {
// Upgrade from one version of federation to another supported
// version of federation doesn't require clusterID.
// Warn the user if the current clusterid didn't match with the input
// clusterid.
if (startOpt.getClusterId() != null
&& !startOpt.getClusterId().equals(getClusterID())) {
LOG.warn("Clusterid mismatch - current clusterid: " + getClusterID()
+ ", Ignoring given clusterid: " + startOpt.getClusterId());
}
}
LOG.info("Using clusterid: " + getClusterID());
}
}
示例2: createNameNode
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption; //导入方法依赖的package包/类
private void createNameNode(int nnIndex, Configuration conf,
int numDataNodes, boolean format, StartupOption operation,
String clusterId, String nameserviceId,
String nnId)
throws IOException {
// Format and clean out DataNode directories
if (format) {
DFSTestUtil.formatNameNode(conf);
}
if (operation == StartupOption.UPGRADE){
operation.setClusterId(clusterId);
}
// Start the NameNode after saving the default file system.
String originalDefaultFs = conf.get(FS_DEFAULT_NAME_KEY);
String[] args = createArgs(operation);
NameNode nn = NameNode.createNameNode(args, conf);
if (operation == StartupOption.RECOVER) {
return;
}
// After the NN has started, set back the bound ports into
// the conf
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
nameserviceId, nnId), nn.getNameNodeAddressHostPortString());
if (nn.getHttpAddress() != null) {
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY,
nameserviceId, nnId), NetUtils.getHostPortString(nn.getHttpAddress()));
}
if (nn.getHttpsAddress() != null) {
conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTPS_ADDRESS_KEY,
nameserviceId, nnId), NetUtils.getHostPortString(nn.getHttpsAddress()));
}
DFSUtil.setGenericConf(conf, nameserviceId, nnId,
DFS_NAMENODE_HTTP_ADDRESS_KEY);
nameNodes[nnIndex] = new NameNodeInfo(nn, nameserviceId, nnId,
operation, new Configuration(conf));
// Restore the default fs name
if (originalDefaultFs == null) {
conf.set(FS_DEFAULT_NAME_KEY, "");
} else {
conf.set(FS_DEFAULT_NAME_KEY, originalDefaultFs);
}
}