org.apache.hadoop.hdfs.server.common
Interface HdfsConstants


@InterfaceAudience.Private
public interface HdfsConstants

Some handy internal HDFS constants


Nested Class Summary
static class HdfsConstants.BlockUCState
          States, which a block can go through while it is under construction.
static class HdfsConstants.NamenodeRole
          Defines the NameNode role.
static class HdfsConstants.NodeType
          Type of the node
static class HdfsConstants.ReplicaState
          Block replica states, which it can go through while being constructed.
static class HdfsConstants.StartupOption
          Startup options
 
Field Summary
static int READ_TIMEOUT
           
static int READ_TIMEOUT_EXTENSION
           
static int WRITE_TIMEOUT
           
static int WRITE_TIMEOUT_EXTENSION
           
 

Field Detail

READ_TIMEOUT

static final int READ_TIMEOUT
See Also:
Constant Field Values

READ_TIMEOUT_EXTENSION

static final int READ_TIMEOUT_EXTENSION
See Also:
Constant Field Values

WRITE_TIMEOUT

static final int WRITE_TIMEOUT
See Also:
Constant Field Values

WRITE_TIMEOUT_EXTENSION

static final int WRITE_TIMEOUT_EXTENSION
See Also:
Constant Field Values


Copyright © 2009 The Apache Software Foundation