本文整理汇总了Java中org.apache.hadoop.hdfs.MiniDFSCluster.getNameNodePort方法的典型用法代码示例。如果您正苦于以下问题：Java MiniDFSCluster.getNameNodePort方法的具体用法？Java MiniDFSCluster.getNameNodePort怎么用？Java MiniDFSCluster.getNameNodePort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.MiniDFSCluster的用法示例。
在下文中一共展示了MiniDFSCluster.getNameNodePort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: getHostPortForNN
import org.apache.hadoop.hdfs.MiniDFSCluster; //导入方法依赖的package包/类
private String getHostPortForNN(MiniDFSCluster cluster) {
return "127.0.0.1:" + cluster.getNameNodePort();
}
示例2: testReformatNNBetweenCheckpoints
import org.apache.hadoop.hdfs.MiniDFSCluster; //导入方法依赖的package包/类
/**
* Test case where the name node is reformatted while the secondary namenode
* is running. The secondary should shut itself down if if talks to a NN
* with the wrong namespace.
*/
@Test
public void testReformatNNBetweenCheckpoints() throws IOException {
MiniDFSCluster cluster = null;
SecondaryNameNode secondary = null;
Configuration conf = new HdfsConfiguration();
conf.setInt(CommonConfigurationKeysPublic.IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY,
1);
try {
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0)
.format(true).build();
int origPort = cluster.getNameNodePort();
int origHttpPort = cluster.getNameNode().getHttpAddress().getPort();
Configuration snnConf = new Configuration(conf);
File checkpointDir = new File(MiniDFSCluster.getBaseDirectory(),
"namesecondary");
snnConf.set(DFSConfigKeys.DFS_NAMENODE_CHECKPOINT_DIR_KEY,
checkpointDir.getAbsolutePath());
secondary = startSecondaryNameNode(snnConf);
// secondary checkpoints once
secondary.doCheckpoint();
// we reformat primary NN
cluster.shutdown();
cluster = null;
// Brief sleep to make sure that the 2NN's IPC connection to the NN
// is dropped.
try {
Thread.sleep(100);
} catch (InterruptedException ie) {
}
// Start a new NN with the same host/port.
cluster = new MiniDFSCluster.Builder(conf)
.numDataNodes(0)
.nameNodePort(origPort)
.nameNodeHttpPort(origHttpPort)
.format(true).build();
try {
secondary.doCheckpoint();
fail("Should have failed checkpoint against a different namespace");
} catch (IOException ioe) {
LOG.info("Got expected failure", ioe);
assertTrue(ioe.toString().contains("Inconsistent checkpoint"));
}
} finally {
cleanup(secondary);
secondary = null;
cleanup(cluster);
cluster = null;
}
}