CommonConfigurationKeysPublic (Apache Hadoop Main 0.23.11 API)

java.lang.Object
- org.apache.hadoop.fs.CommonConfigurationKeysPublic

```
@InterfaceAudience.Public
public class CommonConfigurationKeysPublic
extends Object
```
This class contains constants for configuration keys used in the common code. It includes all publicly documented configuration keys. In general this class should not be used directly (use CommonConfigurationKeys instead)

Field Summary

Fields
Modifier and Type	Field and Description
`static boolean`	`FS_AUTOMATIC_CLOSE_DEFAULT` Default value for FS_AUTOMATIC_CLOSE_KEY
`static String`	`FS_AUTOMATIC_CLOSE_KEY` See core-default.xml
`static String`	`FS_DEFAULT_NAME_DEFAULT` Default value for FS_DEFAULT_NAME_KEY
`static String`	`FS_DEFAULT_NAME_KEY` See core-default.xml
`static long`	`FS_DF_INTERVAL_DEFAULT` Default value for FS_DF_INTERVAL_KEY
`static String`	`FS_DF_INTERVAL_KEY` See core-default.xml
`static String`	`FS_FILE_IMPL_KEY` See core-default.xml
`static String`	`FS_FTP_HOST_KEY` See core-default.xml
`static String`	`FS_FTP_HOST_PORT_KEY` See core-default.xml
`static long`	`FS_LOCAL_BLOCK_SIZE_DEFAULT` Not used anywhere, looks like default value for FS_LOCAL_BLOCK_SIZE
`static long`	`FS_TRASH_CHECKPOINT_INTERVAL_DEFAULT` Default value for FS_TRASH_CHECKPOINT_INTERVAL_KEY
`static String`	`FS_TRASH_CHECKPOINT_INTERVAL_KEY` See core-default.xml
`static long`	`FS_TRASH_INTERVAL_DEFAULT` Default value for FS_TRASH_INTERVAL_KEY
`static String`	`FS_TRASH_INTERVAL_KEY` See core-default.xml
`static String`	`HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY` See core-default.xml
`static String`	`HADOOP_SECURITY_AUTHENTICATION` See core-default.xml
`static String`	`HADOOP_SECURITY_AUTHORIZATION` See core-default.xml
`static String`	`HADOOP_SECURITY_GROUP_MAPPING` See core-default.xml
`static String`	`HADOOP_SECURITY_GROUPS_CACHE_SECS` See core-default.xml
`static String`	`HADOOP_SECURITY_SERVICE_USER_NAME_KEY` See core-default.xml
`static String`	`HADOOP_SOCKS_SERVER_KEY` See core-default.xml
`static String`	`HADOOP_UTIL_HASH_TYPE_DEFAULT` Default value for HADOOP_UTIL_HASH_TYPE_KEY
`static String`	`HADOOP_UTIL_HASH_TYPE_KEY` See core-default.xml
`static String`	`IO_COMPRESSION_CODEC_LZO_CLASS_KEY` Codec class that implements Lzo compression algorithm
`static int`	`IO_FILE_BUFFER_SIZE_DEFAULT` Default value for IO_FILE_BUFFER_SIZE_KEY
`static String`	`IO_FILE_BUFFER_SIZE_KEY` See core-default.xml
`static int`	`IO_MAP_INDEX_INTERVAL_DEFAULT` Default value for IO_MAP_INDEX_INTERVAL_DEFAULT
`static String`	`IO_MAP_INDEX_INTERVAL_KEY` See core-default.xml
`static int`	`IO_MAP_INDEX_SKIP_DEFAULT` Default value for IO_MAP_INDEX_SKIP_KEY
`static String`	`IO_MAP_INDEX_SKIP_KEY` See core-default.xml
`static float`	`IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT` Default value for IO_MAPFILE_BLOOM_ERROR_RATE_KEY
`static String`	`IO_MAPFILE_BLOOM_ERROR_RATE_KEY` See core-default.xml
`static int`	`IO_MAPFILE_BLOOM_SIZE_DEFAULT` Default value for IO_MAPFILE_BLOOM_SIZE_KEY
`static String`	`IO_MAPFILE_BLOOM_SIZE_KEY` See core-default.xml
`static boolean`	`IO_NATIVE_LIB_AVAILABLE_DEFAULT` Default value for IO_NATIVE_LIB_AVAILABLE_KEY
`static String`	`IO_NATIVE_LIB_AVAILABLE_KEY` See core-default.xml
`static int`	`IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT` Default value for IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY
`static String`	`IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY` See core-default.xml
`static String`	`IO_SERIALIZATIONS_KEY` See core-default.xml
`static boolean`	`IO_SKIP_CHECKSUM_ERRORS_DEFAULT` Default value for IO_SKIP_CHECKSUM_ERRORS_KEY
`static String`	`IO_SKIP_CHECKSUM_ERRORS_KEY` See core-default.xml
`static int`	`IO_SORT_FACTOR_DEFAULT` Default value for IO_SORT_FACTOR_DEFAULT
`static String`	`IO_SORT_FACTOR_KEY` Deprecated. Moved to mapreduce, see mapreduce.task.io.sort.factor in mapred-default.xml See https://issues.apache.org/jira/browse/HADOOP-6801
`static int`	`IO_SORT_MB_DEFAULT` Default value for IO_SORT_MB_DEFAULT
`static String`	`IO_SORT_MB_KEY` Deprecated. Moved to mapreduce, see mapreduce.task.io.sort.mb in mapred-default.xml See https://issues.apache.org/jira/browse/HADOOP-6801
`static int`	`IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT` Default value for IPC_CLIENT_CONNECT_MAX_RETRIES_KEY
`static String`	`IPC_CLIENT_CONNECT_MAX_RETRIES_KEY` See core-default.xml
`static int`	`IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT` Default value for IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY
`static String`	`IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY` See core-default.xml
`static int`	`IPC_CLIENT_IDLETHRESHOLD_DEFAULT` Default value for IPC_CLIENT_IDLETHRESHOLD_DEFAULT
`static String`	`IPC_CLIENT_IDLETHRESHOLD_KEY` See core-default.xml
`static int`	`IPC_CLIENT_KILL_MAX_DEFAULT` Default value for IPC_CLIENT_KILL_MAX_KEY
`static String`	`IPC_CLIENT_KILL_MAX_KEY` See core-default.xml
`static boolean`	`IPC_CLIENT_TCPNODELAY_DEFAULT` Defalt value for IPC_CLIENT_TCPNODELAY_KEY
`static String`	`IPC_CLIENT_TCPNODELAY_KEY` See core-default.xml
`static int`	`IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT` Default value for IPC_SERVER_LISTEN_QUEUE_SIZE_KEY
`static String`	`IPC_SERVER_LISTEN_QUEUE_SIZE_KEY` See core-default.xml
`static boolean`	`IPC_SERVER_TCPNODELAY_DEFAULT` Default value for IPC_SERVER_TCPNODELAY_KEY
`static String`	`IPC_SERVER_TCPNODELAY_KEY` See core-default.xml
`static String`	`NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY` See core-default.xml
`static String`	`NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY` See core-default.xml
`static int`	`NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT` Default value for NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY
`static String`	`NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY` See core-default.xml
`static int`	`TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT` Default value for TFILE_FS_INPUT_BUFFER_SIZE_KEY
`static String`	`TFILE_FS_INPUT_BUFFER_SIZE_KEY` See core-default.xml
`static int`	`TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT` Default value for TFILE_FS_OUTPUT_BUFFER_SIZE_KEY
`static String`	`TFILE_FS_OUTPUT_BUFFER_SIZE_KEY` See core-default.xml
`static int`	`TFILE_IO_CHUNK_SIZE_DEFAULT` Default value for TFILE_IO_CHUNK_SIZE_DEFAULT
`static String`	`TFILE_IO_CHUNK_SIZE_KEY` See core-default.xml

Constructor Summary

Constructors
Constructor and Description

CommonConfigurationKeysPublic()

Constructors
Constructor and Description
`CommonConfigurationKeysPublic()`

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - IO_NATIVE_LIB_AVAILABLE_KEY
```
public static final String IO_NATIVE_LIB_AVAILABLE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IO_NATIVE_LIB_AVAILABLE_DEFAULT
```
public static final boolean IO_NATIVE_LIB_AVAILABLE_DEFAULT
```
    Default value for IO_NATIVE_LIB_AVAILABLE_KEY
    
    See Also:
    Constant Field Values
  - NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY
```
public static final String NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT
```
public static final int NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT
```
    Default value for NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY
    
    See Also:
    Constant Field Values
  - FS_DEFAULT_NAME_KEY
```
public static final String FS_DEFAULT_NAME_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - FS_DEFAULT_NAME_DEFAULT
```
public static final String FS_DEFAULT_NAME_DEFAULT
```
    Default value for FS_DEFAULT_NAME_KEY
    
    See Also:
    Constant Field Values
  - FS_DF_INTERVAL_KEY
```
public static final String FS_DF_INTERVAL_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - FS_DF_INTERVAL_DEFAULT
```
public static final long FS_DF_INTERVAL_DEFAULT
```
    Default value for FS_DF_INTERVAL_KEY
    
    See Also:
    Constant Field Values
  - NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY
```
public static final String NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY
```
public static final String NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - FS_TRASH_CHECKPOINT_INTERVAL_KEY
```
public static final String FS_TRASH_CHECKPOINT_INTERVAL_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - FS_TRASH_CHECKPOINT_INTERVAL_DEFAULT
```
public static final long FS_TRASH_CHECKPOINT_INTERVAL_DEFAULT
```
    Default value for FS_TRASH_CHECKPOINT_INTERVAL_KEY
    
    See Also:
    Constant Field Values
  - FS_LOCAL_BLOCK_SIZE_DEFAULT
```
public static final long FS_LOCAL_BLOCK_SIZE_DEFAULT
```
    Not used anywhere, looks like default value for FS_LOCAL_BLOCK_SIZE
    
    See Also:
    Constant Field Values
  - FS_AUTOMATIC_CLOSE_KEY
```
public static final String FS_AUTOMATIC_CLOSE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - FS_AUTOMATIC_CLOSE_DEFAULT
```
public static final boolean FS_AUTOMATIC_CLOSE_DEFAULT
```
    Default value for FS_AUTOMATIC_CLOSE_KEY
    
    See Also:
    Constant Field Values
  - FS_FILE_IMPL_KEY
```
public static final String FS_FILE_IMPL_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - FS_FTP_HOST_KEY
```
public static final String FS_FTP_HOST_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - FS_FTP_HOST_PORT_KEY
```
public static final String FS_FTP_HOST_PORT_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - FS_TRASH_INTERVAL_KEY
```
public static final String FS_TRASH_INTERVAL_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - FS_TRASH_INTERVAL_DEFAULT
```
public static final long FS_TRASH_INTERVAL_DEFAULT
```
    Default value for FS_TRASH_INTERVAL_KEY
    
    See Also:
    Constant Field Values
  - IO_MAPFILE_BLOOM_SIZE_KEY
```
public static final String IO_MAPFILE_BLOOM_SIZE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IO_MAPFILE_BLOOM_SIZE_DEFAULT
```
public static final int IO_MAPFILE_BLOOM_SIZE_DEFAULT
```
    Default value for IO_MAPFILE_BLOOM_SIZE_KEY
    
    See Also:
    Constant Field Values
  - IO_MAPFILE_BLOOM_ERROR_RATE_KEY
```
public static final String IO_MAPFILE_BLOOM_ERROR_RATE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT
```
public static final float IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT
```
    Default value for IO_MAPFILE_BLOOM_ERROR_RATE_KEY
    
    See Also:
    Constant Field Values
  - IO_COMPRESSION_CODEC_LZO_CLASS_KEY
```
public static final String IO_COMPRESSION_CODEC_LZO_CLASS_KEY
```
    Codec class that implements Lzo compression algorithm
    
    See Also:
    Constant Field Values
  - IO_MAP_INDEX_INTERVAL_KEY
```
public static final String IO_MAP_INDEX_INTERVAL_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IO_MAP_INDEX_INTERVAL_DEFAULT
```
public static final int IO_MAP_INDEX_INTERVAL_DEFAULT
```
    Default value for IO_MAP_INDEX_INTERVAL_DEFAULT
    
    See Also:
    Constant Field Values
  - IO_MAP_INDEX_SKIP_KEY
```
public static final String IO_MAP_INDEX_SKIP_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IO_MAP_INDEX_SKIP_DEFAULT
```
public static final int IO_MAP_INDEX_SKIP_DEFAULT
```
    Default value for IO_MAP_INDEX_SKIP_KEY
    
    See Also:
    Constant Field Values
  - IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY
```
public static final String IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT
```
public static final int IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT
```
    Default value for IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY
    
    See Also:
    Constant Field Values
  - IO_FILE_BUFFER_SIZE_KEY
```
public static final String IO_FILE_BUFFER_SIZE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IO_FILE_BUFFER_SIZE_DEFAULT
```
public static final int IO_FILE_BUFFER_SIZE_DEFAULT
```
    Default value for IO_FILE_BUFFER_SIZE_KEY
    
    See Also:
    Constant Field Values
  - IO_SKIP_CHECKSUM_ERRORS_KEY
```
public static final String IO_SKIP_CHECKSUM_ERRORS_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IO_SKIP_CHECKSUM_ERRORS_DEFAULT
```
public static final boolean IO_SKIP_CHECKSUM_ERRORS_DEFAULT
```
    Default value for IO_SKIP_CHECKSUM_ERRORS_KEY
    
    See Also:
    Constant Field Values
  - IO_SORT_MB_KEY
```
public static final String IO_SORT_MB_KEY
```
    Deprecated. Moved to mapreduce, see mapreduce.task.io.sort.mb in mapred-default.xml See https://issues.apache.org/jira/browse/HADOOP-6801
    
    See Also:
    Constant Field Values
  - IO_SORT_MB_DEFAULT
```
public static final int IO_SORT_MB_DEFAULT
```
    Default value for IO_SORT_MB_DEFAULT
    
    See Also:
    Constant Field Values
  - IO_SORT_FACTOR_KEY
```
public static final String IO_SORT_FACTOR_KEY
```
    Deprecated. Moved to mapreduce, see mapreduce.task.io.sort.factor in mapred-default.xml See https://issues.apache.org/jira/browse/HADOOP-6801
    
    See Also:
    Constant Field Values
  - IO_SORT_FACTOR_DEFAULT
```
public static final int IO_SORT_FACTOR_DEFAULT
```
    Default value for IO_SORT_FACTOR_DEFAULT
    
    See Also:
    Constant Field Values
  - IO_SERIALIZATIONS_KEY
```
public static final String IO_SERIALIZATIONS_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - TFILE_IO_CHUNK_SIZE_KEY
```
public static final String TFILE_IO_CHUNK_SIZE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - TFILE_IO_CHUNK_SIZE_DEFAULT
```
public static final int TFILE_IO_CHUNK_SIZE_DEFAULT
```
    Default value for TFILE_IO_CHUNK_SIZE_DEFAULT
    
    See Also:
    Constant Field Values
  - TFILE_FS_INPUT_BUFFER_SIZE_KEY
```
public static final String TFILE_FS_INPUT_BUFFER_SIZE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT
```
public static final int TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT
```
    Default value for TFILE_FS_INPUT_BUFFER_SIZE_KEY
    
    See Also:
    Constant Field Values
  - TFILE_FS_OUTPUT_BUFFER_SIZE_KEY
```
public static final String TFILE_FS_OUTPUT_BUFFER_SIZE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT
```
public static final int TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT
```
    Default value for TFILE_FS_OUTPUT_BUFFER_SIZE_KEY
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY
```
public static final String IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT
```
public static final int IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT
```
    Default value for IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_CONNECT_MAX_RETRIES_KEY
```
public static final String IPC_CLIENT_CONNECT_MAX_RETRIES_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT
```
public static final int IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT
```
    Default value for IPC_CLIENT_CONNECT_MAX_RETRIES_KEY
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_TCPNODELAY_KEY
```
public static final String IPC_CLIENT_TCPNODELAY_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_TCPNODELAY_DEFAULT
```
public static final boolean IPC_CLIENT_TCPNODELAY_DEFAULT
```
    Defalt value for IPC_CLIENT_TCPNODELAY_KEY
    
    See Also:
    Constant Field Values
  - IPC_SERVER_LISTEN_QUEUE_SIZE_KEY
```
public static final String IPC_SERVER_LISTEN_QUEUE_SIZE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT
```
public static final int IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT
```
    Default value for IPC_SERVER_LISTEN_QUEUE_SIZE_KEY
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_KILL_MAX_KEY
```
public static final String IPC_CLIENT_KILL_MAX_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_KILL_MAX_DEFAULT
```
public static final int IPC_CLIENT_KILL_MAX_DEFAULT
```
    Default value for IPC_CLIENT_KILL_MAX_KEY
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_IDLETHRESHOLD_KEY
```
public static final String IPC_CLIENT_IDLETHRESHOLD_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IPC_CLIENT_IDLETHRESHOLD_DEFAULT
```
public static final int IPC_CLIENT_IDLETHRESHOLD_DEFAULT
```
    Default value for IPC_CLIENT_IDLETHRESHOLD_DEFAULT
    
    See Also:
    Constant Field Values
  - IPC_SERVER_TCPNODELAY_KEY
```
public static final String IPC_SERVER_TCPNODELAY_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - IPC_SERVER_TCPNODELAY_DEFAULT
```
public static final boolean IPC_SERVER_TCPNODELAY_DEFAULT
```
    Default value for IPC_SERVER_TCPNODELAY_KEY
    
    See Also:
    Constant Field Values
  - HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY
```
public static final String HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - HADOOP_SOCKS_SERVER_KEY
```
public static final String HADOOP_SOCKS_SERVER_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - HADOOP_UTIL_HASH_TYPE_KEY
```
public static final String HADOOP_UTIL_HASH_TYPE_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - HADOOP_UTIL_HASH_TYPE_DEFAULT
```
public static final String HADOOP_UTIL_HASH_TYPE_DEFAULT
```
    Default value for HADOOP_UTIL_HASH_TYPE_KEY
    
    See Also:
    Constant Field Values
  - HADOOP_SECURITY_GROUP_MAPPING
```
public static final String HADOOP_SECURITY_GROUP_MAPPING
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - HADOOP_SECURITY_GROUPS_CACHE_SECS
```
public static final String HADOOP_SECURITY_GROUPS_CACHE_SECS
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - HADOOP_SECURITY_AUTHENTICATION
```
public static final String HADOOP_SECURITY_AUTHENTICATION
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - HADOOP_SECURITY_AUTHORIZATION
```
public static final String HADOOP_SECURITY_AUTHORIZATION
```
    See core-default.xml
    
    See Also:
    Constant Field Values
  - HADOOP_SECURITY_SERVICE_USER_NAME_KEY
```
public static final String HADOOP_SECURITY_SERVICE_USER_NAME_KEY
```
    See core-default.xml
    
    See Also:
    Constant Field Values
- Constructor Detail
  - CommonConfigurationKeysPublic
```
public CommonConfigurationKeysPublic()
```

Class CommonConfigurationKeysPublic

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

IO_NATIVE_LIB_AVAILABLE_KEY

IO_NATIVE_LIB_AVAILABLE_DEFAULT

NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY

NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT

FS_DEFAULT_NAME_KEY

FS_DEFAULT_NAME_DEFAULT

FS_DF_INTERVAL_KEY

FS_DF_INTERVAL_DEFAULT

NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY

NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY

FS_TRASH_CHECKPOINT_INTERVAL_KEY

FS_TRASH_CHECKPOINT_INTERVAL_DEFAULT

FS_LOCAL_BLOCK_SIZE_DEFAULT

FS_AUTOMATIC_CLOSE_KEY

FS_AUTOMATIC_CLOSE_DEFAULT

FS_FILE_IMPL_KEY

FS_FTP_HOST_KEY

FS_FTP_HOST_PORT_KEY

FS_TRASH_INTERVAL_KEY

FS_TRASH_INTERVAL_DEFAULT

IO_MAPFILE_BLOOM_SIZE_KEY

IO_MAPFILE_BLOOM_SIZE_DEFAULT

IO_MAPFILE_BLOOM_ERROR_RATE_KEY

IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT

IO_COMPRESSION_CODEC_LZO_CLASS_KEY

IO_MAP_INDEX_INTERVAL_KEY

IO_MAP_INDEX_INTERVAL_DEFAULT

IO_MAP_INDEX_SKIP_KEY

IO_MAP_INDEX_SKIP_DEFAULT

IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY

IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT

IO_FILE_BUFFER_SIZE_KEY

IO_FILE_BUFFER_SIZE_DEFAULT

IO_SKIP_CHECKSUM_ERRORS_KEY

IO_SKIP_CHECKSUM_ERRORS_DEFAULT

IO_SORT_MB_KEY

IO_SORT_MB_DEFAULT

IO_SORT_FACTOR_KEY

IO_SORT_FACTOR_DEFAULT

IO_SERIALIZATIONS_KEY

TFILE_IO_CHUNK_SIZE_KEY

TFILE_IO_CHUNK_SIZE_DEFAULT

TFILE_FS_INPUT_BUFFER_SIZE_KEY

TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT

TFILE_FS_OUTPUT_BUFFER_SIZE_KEY

TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT

IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY

IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT

IPC_CLIENT_CONNECT_MAX_RETRIES_KEY

IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT

IPC_CLIENT_TCPNODELAY_KEY

IPC_CLIENT_TCPNODELAY_DEFAULT

IPC_SERVER_LISTEN_QUEUE_SIZE_KEY

IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT

IPC_CLIENT_KILL_MAX_KEY

IPC_CLIENT_KILL_MAX_DEFAULT

IPC_CLIENT_IDLETHRESHOLD_KEY

IPC_CLIENT_IDLETHRESHOLD_DEFAULT

IPC_SERVER_TCPNODELAY_KEY

IPC_SERVER_TCPNODELAY_DEFAULT

HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY

HADOOP_SOCKS_SERVER_KEY

HADOOP_UTIL_HASH_TYPE_KEY

HADOOP_UTIL_HASH_TYPE_DEFAULT

HADOOP_SECURITY_GROUP_MAPPING

HADOOP_SECURITY_GROUPS_CACHE_SECS

HADOOP_SECURITY_AUTHENTICATION

HADOOP_SECURITY_AUTHORIZATION

HADOOP_SECURITY_SERVICE_USER_NAME_KEY

Constructor Detail

CommonConfigurationKeysPublic