本文整理汇总了Java中org.apache.hadoop.hdfs.MiniDFSNNTopology.NSConf类的典型用法代码示例。如果您正苦于以下问题：Java NSConf类的具体用法？Java NSConf怎么用？Java NSConf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。
NSConf类属于org.apache.hadoop.hdfs.MiniDFSNNTopology包，在下文中一共展示了NSConf类的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: testRefreshNamenodes
import org.apache.hadoop.hdfs.MiniDFSNNTopology.NSConf; //导入依赖的package包/类
@Test
public void testRefreshNamenodes() throws IOException {
// Start cluster with a single NN and DN
Configuration conf = new Configuration();
MiniDFSCluster cluster = null;
try {
MiniDFSNNTopology topology = new MiniDFSNNTopology()
.addNameservice(new NSConf("ns1").addNN(
new NNConf(null).setIpcPort(nnPort1)))
.setFederation(true);
cluster = new MiniDFSCluster.Builder(conf)
.nnTopology(topology)
.build();
DataNode dn = cluster.getDataNodes().get(0);
assertEquals(1, dn.getAllBpOs().length);
cluster.addNameNode(conf, nnPort2);
assertEquals(2, dn.getAllBpOs().length);
cluster.addNameNode(conf, nnPort3);
assertEquals(3, dn.getAllBpOs().length);
cluster.addNameNode(conf, nnPort4);
// Ensure a BPOfferService in the datanodes corresponds to
// a namenode in the cluster
Set<InetSocketAddress> nnAddrsFromCluster = Sets.newHashSet();
for (int i = 0; i < 4; i++) {
assertTrue(nnAddrsFromCluster.add(
cluster.getNameNode(i).getNameNodeAddress()));
}
Set<InetSocketAddress> nnAddrsFromDN = Sets.newHashSet();
for (BPOfferService bpos : dn.getAllBpOs()) {
for (BPServiceActor bpsa : bpos.getBPServiceActors()) {
assertTrue(nnAddrsFromDN.add(bpsa.getNNSocketAddress()));
}
}
assertEquals("",
Joiner.on(",").join(
Sets.symmetricDifference(nnAddrsFromCluster, nnAddrsFromDN)));
} finally {
if (cluster != null) {
cluster.shutdown();
}
}
}
示例2: testRefreshNamenodes
import org.apache.hadoop.hdfs.MiniDFSNNTopology.NSConf; //导入依赖的package包/类
@Test
public void testRefreshNamenodes() throws IOException {
// Start cluster with a single NN and DN
Configuration conf = new Configuration();
MiniDFSCluster cluster = null;
try {
MiniDFSNNTopology topology = new MiniDFSNNTopology()
.addNameservice(new NSConf("ns1").addNN(
new NNConf(null).setIpcPort(nnPort1)))
.setFederation(true);
cluster = new MiniDFSCluster.Builder(conf)
.nnTopology(topology)
.build();
DataNode dn = cluster.getDataNodes().get(0);
assertEquals(1, dn.getAllBpOs().size());
cluster.addNameNode(conf, nnPort2);
assertEquals(2, dn.getAllBpOs().size());
cluster.addNameNode(conf, nnPort3);
assertEquals(3, dn.getAllBpOs().size());
cluster.addNameNode(conf, nnPort4);
// Ensure a BPOfferService in the datanodes corresponds to
// a namenode in the cluster
Set<InetSocketAddress> nnAddrsFromCluster = Sets.newHashSet();
for (int i = 0; i < 4; i++) {
assertTrue(nnAddrsFromCluster.add(
cluster.getNameNode(i).getNameNodeAddress()));
}
Set<InetSocketAddress> nnAddrsFromDN = Sets.newHashSet();
for (BPOfferService bpos : dn.getAllBpOs()) {
for (BPServiceActor bpsa : bpos.getBPServiceActors()) {
assertTrue(nnAddrsFromDN.add(bpsa.getNNSocketAddress()));
}
}
assertEquals("",
Joiner.on(",").join(
Sets.symmetricDifference(nnAddrsFromCluster, nnAddrsFromDN)));
} finally {
if (cluster != null) {
cluster.shutdown();
}
}
}