本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf方法的典型用法代码示例。如果您正苦于以下问题：Java INodeFile.valueOf方法的具体用法？Java INodeFile.valueOf怎么用？Java INodeFile.valueOf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.namenode.INodeFile的用法示例。
在下文中一共展示了INodeFile.valueOf方法的5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: assertBlockCollection
import org.apache.hadoop.hdfs.server.namenode.INodeFile; //导入方法依赖的package包/类
static INodeFile assertBlockCollection(String path, int numBlocks,
final FSDirectory dir, final BlockManager blkManager) throws Exception {
final INodeFile file = INodeFile.valueOf(dir.getINode(path), path);
assertEquals(numBlocks, file.getBlocks().length);
for(BlockInfoContiguous b : file.getBlocks()) {
assertBlockCollection(blkManager, file, b);
}
return file;
}
示例2: assertBlockCollection
import org.apache.hadoop.hdfs.server.namenode.INodeFile; //导入方法依赖的package包/类
static INodeFile assertBlockCollection(String path, int numBlocks,
final FSDirectory dir, final BlockManager blkManager) throws Exception {
final INodeFile file = INodeFile.valueOf(dir.getINode(path), path);
assertEquals(numBlocks, file.getBlocks().length);
for(BlockInfo b : file.getBlocks()) {
assertBlockCollection(blkManager, file, b);
}
return file;
}
示例3: testAppendInsufficientLocations
import org.apache.hadoop.hdfs.server.namenode.INodeFile; //导入方法依赖的package包/类
/**
* Test that an append with no locations fails with an exception
* showing insufficient locations.
*/
@Test(timeout = 60000)
public void testAppendInsufficientLocations() throws Exception {
Configuration conf = new Configuration();
// lower heartbeat interval for fast recognition of DN
conf.setInt(DFSConfigKeys.DFS_NAMENODE_HEARTBEAT_RECHECK_INTERVAL_KEY,
1000);
conf.setInt(DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY, 1);
conf.setInt(DFSConfigKeys.DFS_CLIENT_SOCKET_TIMEOUT_KEY, 3000);
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(4)
.build();
DistributedFileSystem fileSystem = null;
try {
// create a file with replication 3
fileSystem = cluster.getFileSystem();
Path f = new Path("/testAppend");
FSDataOutputStream create = fileSystem.create(f, (short) 2);
create.write("/testAppend".getBytes());
create.close();
// Check for replications
DFSTestUtil.waitReplication(fileSystem, f, (short) 2);
// Shut down all DNs that have the last block location for the file
LocatedBlocks lbs = fileSystem.dfs.getNamenode().
getBlockLocations("/testAppend", 0, Long.MAX_VALUE);
List<DataNode> dnsOfCluster = cluster.getDataNodes();
DatanodeInfo[] dnsWithLocations = lbs.getLastLocatedBlock().
getLocations();
for( DataNode dn : dnsOfCluster) {
for(DatanodeInfo loc: dnsWithLocations) {
if(dn.getDatanodeId().equals(loc)){
dn.shutdown();
DFSTestUtil.waitForDatanodeDeath(dn);
}
}
}
// Wait till 0 replication is recognized
DFSTestUtil.waitReplication(fileSystem, f, (short) 0);
// Append to the file, at this state there are 3 live DNs but none of them
// have the block.
try{
fileSystem.append(f);
fail("Append should fail because insufficient locations");
} catch (IOException e){
LOG.info("Expected exception: ", e);
}
FSDirectory dir = cluster.getNamesystem().getFSDirectory();
final INodeFile inode = INodeFile.
valueOf(dir.getINode("/testAppend"), "/testAppend");
assertTrue("File should remain closed", !inode.isUnderConstruction());
} finally {
if (null != fileSystem) {
fileSystem.close();
}
cluster.shutdown();
}
}
示例4: getINodeFile
import org.apache.hadoop.hdfs.server.namenode.INodeFile; //导入方法依赖的package包/类
INodeFile getINodeFile(Path p) throws Exception {
final String s = p.toString();
return INodeFile.valueOf(fsdir.getINode(s), s);
}
示例5: testAppendInsufficientLocations
import org.apache.hadoop.hdfs.server.namenode.INodeFile; //导入方法依赖的package包/类
/**
* Test that an append with no locations fails with an exception
* showing insufficient locations.
*/
@Test(timeout = 60000)
public void testAppendInsufficientLocations() throws Exception {
Configuration conf = new Configuration();
// lower heartbeat interval for fast recognition of DN
conf.setInt(DFSConfigKeys.DFS_NAMENODE_HEARTBEAT_RECHECK_INTERVAL_KEY,
1000);
conf.setInt(DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY, 1);
conf.setInt(HdfsClientConfigKeys.DFS_CLIENT_SOCKET_TIMEOUT_KEY, 3000);
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(4)
.build();
DistributedFileSystem fileSystem = null;
try {
// create a file with replication 3
fileSystem = cluster.getFileSystem();
Path f = new Path("/testAppend");
FSDataOutputStream create = fileSystem.create(f, (short) 2);
create.write("/testAppend".getBytes());
create.close();
// Check for replications
DFSTestUtil.waitReplication(fileSystem, f, (short) 2);
// Shut down all DNs that have the last block location for the file
LocatedBlocks lbs = fileSystem.dfs.getNamenode().
getBlockLocations("/testAppend", 0, Long.MAX_VALUE);
List<DataNode> dnsOfCluster = cluster.getDataNodes();
DatanodeInfo[] dnsWithLocations = lbs.getLastLocatedBlock().
getLocations();
for( DataNode dn : dnsOfCluster) {
for(DatanodeInfo loc: dnsWithLocations) {
if(dn.getDatanodeId().equals(loc)){
dn.shutdown();
DFSTestUtil.waitForDatanodeDeath(dn);
}
}
}
// Wait till 0 replication is recognized
DFSTestUtil.waitReplication(fileSystem, f, (short) 0);
// Append to the file, at this state there are 3 live DNs but none of them
// have the block.
try{
fileSystem.append(f);
fail("Append should fail because insufficient locations");
} catch (IOException e){
LOG.info("Expected exception: ", e);
}
FSDirectory dir = cluster.getNamesystem().getFSDirectory();
final INodeFile inode = INodeFile.
valueOf(dir.getINode("/testAppend"), "/testAppend");
assertTrue("File should remain closed", !inode.isUnderConstruction());
} finally {
if (null != fileSystem) {
fileSystem.close();
}
cluster.shutdown();
}
}