@InterfaceAudience.Private public class HdfsConstants extends Object
Modifier and Type | Class and Description |
---|---|
static class |
HdfsConstants.DatanodeReportType |
static class |
HdfsConstants.SafeModeAction |
Modifier and Type | Field and Description |
---|---|
static int |
BYTES_IN_INTEGER |
static String |
CLIENT_DATANODE_PROTOCOL_NAME |
static String |
CLIENT_NAMENODE_PROTOCOL_NAME
HDFS Protocol Names:
|
static int |
DEFAULT_DATA_SOCKET_SIZE |
static String |
DOT_SNAPSHOT_DIR
A special path component contained in the path for a snapshot file/dir
|
static byte[] |
DOT_SNAPSHOT_DIR_BYTES |
static String |
HA_DT_SERVICE_PREFIX
A prefix put before the namenode URI inside the "service" field
of a delgation token, indicating that the URI is a logical (HA)
URI.
|
static String |
HDFS_URI_SCHEME
URI Scheme for hdfs://namenode/ URIs.
|
static long |
INVALID_TXID |
static int |
IO_FILE_BUFFER_SIZE |
static int |
LAYOUT_VERSION
Please see
LayoutVersion on adding new layout version. |
static long |
LEASE_HARDLIMIT_PERIOD |
static long |
LEASE_RECOVER_PERIOD |
static long |
LEASE_SOFTLIMIT_PERIOD |
static int |
MAX_PATH_DEPTH |
static int |
MAX_PATH_LENGTH |
static int |
MIN_BLOCKS_FOR_WRITE |
static long |
QUOTA_DONT_SET |
static long |
QUOTA_RESET |
static long |
RESERVED_GENERATION_STAMPS_V1 |
static String |
SEPARATOR_DOT_SNAPSHOT_DIR |
static int |
SMALL_BUFFER_SIZE |
Modifier | Constructor and Description |
---|---|
protected |
HdfsConstants() |
public static final String CLIENT_NAMENODE_PROTOCOL_NAME
public static final String CLIENT_DATANODE_PROTOCOL_NAME
public static int MIN_BLOCKS_FOR_WRITE
public static final long QUOTA_DONT_SET
public static final long QUOTA_RESET
public static final long LEASE_SOFTLIMIT_PERIOD
public static final long LEASE_HARDLIMIT_PERIOD
public static final long LEASE_RECOVER_PERIOD
public static int MAX_PATH_LENGTH
public static int MAX_PATH_DEPTH
public static final int DEFAULT_DATA_SOCKET_SIZE
public static final int IO_FILE_BUFFER_SIZE
public static final int SMALL_BUFFER_SIZE
public static final int BYTES_IN_INTEGER
public static final long INVALID_TXID
public static final long RESERVED_GENERATION_STAMPS_V1
public static final String HDFS_URI_SCHEME
public static final String HA_DT_SERVICE_PREFIX
public static final int LAYOUT_VERSION
LayoutVersion
on adding new layout version.public static final String DOT_SNAPSHOT_DIR
public static final byte[] DOT_SNAPSHOT_DIR_BYTES
public static final String SEPARATOR_DOT_SNAPSHOT_DIR
Copyright © 2013 Apache Software Foundation. All rights reserved.