Package org.apache.hadoop.fs
Class CommonConfigurationKeys
java.lang.Object
org.apache.hadoop.fs.CommonConfigurationKeysPublic
org.apache.hadoop.fs.CommonConfigurationKeys
- Direct Known Subclasses:
FtpConfigKeys,LocalConfigKeys,LocalFileSystemConfigKeys
This class contains constants for configuration keys used
in the common code.
It inherits all the publicly documented configuration keys
and adds unsupported keys.
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Field Summary
FieldsModifier and TypeFieldDescriptionstatic final Stringstatic final booleanstatic final Stringstatic final booleanstatic final Stringstatic final StringDefault value for FS_HOME_DIR_KEYstatic final StringDefault location for user home directoriesstatic final intDefault value for FS_PERMISSIONS_UMASK_KEYstatic final StringDefault umask for files created in HDFSstatic final intstatic final Stringstatic final intstatic final Stringnumber of zookeeper operation retry times in ActiveStandbyElectorstatic final Stringstatic final intstatic final intstatic final Stringstatic final intstatic final Stringstatic final longstatic final Stringstatic final longstatic final StringHA health monitor and failover controller.static final intstatic final StringHow many time to retry connecting to the service.static final intstatic final StringHow often to retry connecting to the service.static final longstatic final Stringstatic final StringDefault domain name resolver for hadoop to use.static final Class<? extends DomainNameResolver>static final StringStatic user web-filter properties.static final StringEnable/Disable aliases serving from jettystatic final StringWhether or not ThreadMXBean is used for getting thread info in JvmMetrics, ThreadGroup approach is preferred for better performance.static final booleanstatic final booleanstatic final Stringstatic final intstatic final Stringstatic final Stringstatic final intstatic final Stringstatic final Stringstatic final StringService Authorizationstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final booleanstatic final longstatic final Stringstatic final Stringdefault hadoop temp dir on local system: "hadoop.tmp.dir".static final Stringstatic final StringUser->groups static mapping to override the groups lookupstatic final Stringstatic final intDefault value for IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEYstatic final StringInternal buffer size for Lz4 compressor/decompressorsstatic final booleanDefault value for IO_COMPRESSION_CODEC_USELZ4HC_KEYstatic final StringUse lz4hc(slow but with high compression ratio) for lz4 compressionstatic final intDefault value for IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_KEYstatic final StringInternal buffer size for Lzo compressor/decompressorsstatic final intDefault value for IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEYstatic final StringInternal buffer size for Snappy compressor/decompressorsstatic final intZStandard buffer size a value of 0 means use the recommended zstd buffer size that the library recommends.static final StringZStandard buffer size.static final intDefault value for IO_COMPRESSION_CODEC_ZSTD_LEVEL_KEY.static final StringZStandard compression level.static final StringSupported compression codec classesstatic final Stringlogging level for IOStatistics (debug or info).static final StringDEBUG logging level for IOStatistics logging.static final StringDefault value for IOStatistics logging level.static final StringERROR logging level for IOStatistics logging.static final StringINFO logging level for IOStatistics logging.static final StringWARN logging level for IOStatistics logging.static final StringThread-level IOStats Support.static final booleanDefault value for Thread-level IOStats Support is true.static final Stringstatic final booleanstatic final StringCallqueue subqueue capacity weights.static final Stringstatic final Stringstatic final booleanstatic final intstatic final Stringstatic final booleanstatic final Stringstatic final intstatic final Stringstatic final intDefault value for IPC_SERVER_CONNECTION_IDLE_SCAN_INTERVAL_KEYstatic final StringHow often the server scans for idle connectionsstatic final booleanstatic final Stringstatic final booleanDefault value of IPC_CLIENT_PING_KEYstatic final StringEnables pings from RPC client to the serverstatic final intDefault value for IPC_CLIENT_RPC_TIMEOUT_KEY.static final StringTimeout value for RPC client on waiting for response.static final Stringstatic final Stringstatic final StringMax request size a server will accept.static final intDefault value for IPC_MAXIMUM_DATA_LENGTH.static final StringMax response size a client will accept.static final intDefault value for IPC_MAXIMUM_RESPONSE_LENGTH.static final StringCallQueue related settings.static final intDefault value for IPC_PING_INTERVAL_KEYstatic final StringHow often does RPC client send pings to RPC serverstatic final Stringstatic final intstatic final StringIPC scheduler priority levels.static final intDefault value for IPC_SERVER_HANDLER_QUEUE_SIZE_KEYstatic final StringHow many calls per handler are allowed in the queue.static final intDefault value for IPC_SERVER_RPC_MAX_RESPONSE_SIZE_KEYstatic final StringResponses larger than this will be loggedstatic final intDefault value for IPC_SERVER_RPC_READ_CONNECTION_QUEUE_SIZEstatic final StringNumber of pending connections that may be queued per socket readerstatic final intDefault value for IPC_SERVER_RPC_READ_THREADS_KEYstatic final StringNumber of threads in RPC server reading from the socketstatic final Stringstatic final StringVerify checksums on read -default is true.static final StringThis is for specifying the implementation for the mappings from hostnames to the racks they belong tostatic final Stringstatic final Stringstatic final StringAllowed hosts for nfs exportsstatic final Stringstatic final Stringstatic final booleanstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final Stringstatic final StringACL for the ZooKeeper ensemble.static final Stringstatic final StringAddress of the ZooKeeper ensemble.static final StringAuthentication for the ZooKeeper ensemble.static final StringSSL enablement for all Hadoop->ZK communication.static final StringKerberos keytab for zookeeper connection.static final StringKerberos principal name for zookeeper connection.static final StringMaximum number of retries for a ZooKeeper operation.static final intstatic final Stringstatic final StringHow often to retry a ZooKeeper operation in milliseconds.static final intstatic final StringPrincipal name for zookeeper servers.static final StringKeystore location for ZooKeeper client connection over SSL.static final StringKeystore password for ZooKeeper client connection over SSL.static final StringTruststore location for ZooKeeper client connection over SSL.static final StringTruststore password for ZooKeeper client connection over SSL.static final StringTimeout for a ZooKeeper operation in ZooKeeper in milliseconds.static final intFields inherited from class org.apache.hadoop.fs.CommonConfigurationKeysPublic
FS_AUTOMATIC_CLOSE_DEFAULT, FS_AUTOMATIC_CLOSE_KEY, FS_CLIENT_RESOLVE_REMOTE_SYMLINKS_DEFAULT, FS_CLIENT_RESOLVE_REMOTE_SYMLINKS_KEY, FS_CLIENT_TOPOLOGY_RESOLUTION_ENABLED, FS_CLIENT_TOPOLOGY_RESOLUTION_ENABLED_DEFAULT, FS_CREATION_PARALLEL_COUNT, FS_CREATION_PARALLEL_COUNT_DEFAULT, FS_DEFAULT_NAME_DEFAULT, FS_DEFAULT_NAME_KEY, FS_DF_INTERVAL_DEFAULT, FS_DF_INTERVAL_KEY, FS_DU_INTERVAL_DEFAULT, FS_DU_INTERVAL_KEY, FS_FILE_IMPL_KEY, FS_FTP_HOST_KEY, FS_FTP_HOST_PORT_KEY, FS_GETSPACEUSED_CLASSNAME, FS_GETSPACEUSED_JITTER_DEFAULT, FS_GETSPACEUSED_JITTER_KEY, FS_LOCAL_BLOCK_SIZE_DEFAULT, FS_PROTECTED_DIRECTORIES, FS_TRASH_CHECKPOINT_INTERVAL_DEFAULT, FS_TRASH_CHECKPOINT_INTERVAL_KEY, FS_TRASH_CLEAN_TRASHROOT_ENABLE_DEFAULT, FS_TRASH_CLEAN_TRASHROOT_ENABLE_KEY, FS_TRASH_INTERVAL_DEFAULT, FS_TRASH_INTERVAL_KEY, HADOOP_CALLER_CONTEXT_ENABLED_DEFAULT, HADOOP_CALLER_CONTEXT_ENABLED_KEY, HADOOP_CALLER_CONTEXT_MAX_SIZE_DEFAULT, HADOOP_CALLER_CONTEXT_MAX_SIZE_KEY, HADOOP_CALLER_CONTEXT_SEPARATOR_DEFAULT, HADOOP_CALLER_CONTEXT_SEPARATOR_KEY, HADOOP_CALLER_CONTEXT_SIGNATURE_MAX_SIZE_DEFAULT, HADOOP_CALLER_CONTEXT_SIGNATURE_MAX_SIZE_KEY, HADOOP_CUSTOM_TAGS, HADOOP_HTTP_AUTHENTICATION_TYPE, HADOOP_HTTP_IDLE_TIMEOUT_MS_DEFAULT, HADOOP_HTTP_IDLE_TIMEOUT_MS_KEY, HADOOP_HTTP_LOGS_ENABLED, HADOOP_HTTP_LOGS_ENABLED_DEFAULT, HADOOP_HTTP_METRICS_ENABLED, HADOOP_HTTP_METRICS_ENABLED_DEFAULT, HADOOP_KERBEROS_KEYTAB_LOGIN_AUTORENEWAL_ENABLED, HADOOP_KERBEROS_KEYTAB_LOGIN_AUTORENEWAL_ENABLED_DEFAULT, HADOOP_KERBEROS_MIN_SECONDS_BEFORE_RELOGIN, HADOOP_KERBEROS_MIN_SECONDS_BEFORE_RELOGIN_DEFAULT, HADOOP_PROMETHEUS_ENABLED, HADOOP_PROMETHEUS_ENABLED_DEFAULT, HADOOP_RPC_PROTECTION, HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_DEFAULT, HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY, HADOOP_SECURITY_AUTH_TO_LOCAL, HADOOP_SECURITY_AUTH_TO_LOCAL_MECHANISM, HADOOP_SECURITY_AUTHENTICATION, HADOOP_SECURITY_AUTHORIZATION, HADOOP_SECURITY_CREDENTIAL_CLEAR_TEXT_FALLBACK, HADOOP_SECURITY_CREDENTIAL_CLEAR_TEXT_FALLBACK_DEFAULT, HADOOP_SECURITY_CREDENTIAL_PASSWORD_FILE_KEY, HADOOP_SECURITY_CREDENTIAL_PROVIDER_PATH, HADOOP_SECURITY_CRYPTO_BUFFER_SIZE_DEFAULT, HADOOP_SECURITY_CRYPTO_BUFFER_SIZE_KEY, HADOOP_SECURITY_CRYPTO_CIPHER_SUITE_DEFAULT, HADOOP_SECURITY_CRYPTO_CIPHER_SUITE_KEY, HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_AES_CTR_NOPADDING_DEFAULT, HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_AES_CTR_NOPADDING_KEY, HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_KEY_PREFIX, HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_SM4_CTR_NOPADDING_DEFAULT, HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_SM4_CTR_NOPADDING_KEY, HADOOP_SECURITY_CRYPTO_JCE_PROVIDER_AUTO_ADD_DEFAULT, HADOOP_SECURITY_CRYPTO_JCE_PROVIDER_AUTO_ADD_KEY, HADOOP_SECURITY_CRYPTO_JCE_PROVIDER_KEY, HADOOP_SECURITY_CRYPTO_JCEKS_KEY_SERIALFILTER, HADOOP_SECURITY_DNS_INTERFACE_KEY, HADOOP_SECURITY_DNS_NAMESERVER_KEY, HADOOP_SECURITY_GROUP_MAPPING, HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_DEFAULT, HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_KEY, HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_SECS, HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_SECS_DEFAULT, HADOOP_SECURITY_GROUPS_CACHE_BACKGROUND_RELOAD, HADOOP_SECURITY_GROUPS_CACHE_BACKGROUND_RELOAD_DEFAULT, HADOOP_SECURITY_GROUPS_CACHE_BACKGROUND_RELOAD_THREADS, HADOOP_SECURITY_GROUPS_CACHE_BACKGROUND_RELOAD_THREADS_DEFAULT, HADOOP_SECURITY_GROUPS_CACHE_SECS, HADOOP_SECURITY_GROUPS_CACHE_SECS_DEFAULT, HADOOP_SECURITY_GROUPS_CACHE_WARN_AFTER_MS, HADOOP_SECURITY_GROUPS_CACHE_WARN_AFTER_MS_DEFAULT, HADOOP_SECURITY_GROUPS_NEGATIVE_CACHE_SECS, HADOOP_SECURITY_GROUPS_NEGATIVE_CACHE_SECS_DEFAULT, HADOOP_SECURITY_IMPERSONATION_PROVIDER_CLASS, HADOOP_SECURITY_INSTRUMENTATION_REQUIRES_ADMIN, HADOOP_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_DEFAULT, HADOOP_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_KEY, HADOOP_SECURITY_KEY_DEFAULT_BITLENGTH_DEFAULT, HADOOP_SECURITY_KEY_DEFAULT_BITLENGTH_KEY, HADOOP_SECURITY_KEY_DEFAULT_CIPHER_DEFAULT, HADOOP_SECURITY_KEY_DEFAULT_CIPHER_KEY, HADOOP_SECURITY_KEY_PROVIDER_PATH, HADOOP_SECURITY_OPENSSL_ENGINE_ID_KEY, HADOOP_SECURITY_SASL_CUSTOMIZEDCALLBACKHANDLER_CLASS_KEY, HADOOP_SECURITY_SASL_MECHANISM_DEFAULT, HADOOP_SECURITY_SASL_MECHANISM_KEY, HADOOP_SECURITY_SASL_PROPS_RESOLVER_CLASS, HADOOP_SECURITY_SECRET_MANAGER_KEY_GENERATOR_ALGORITHM_DEFAULT, HADOOP_SECURITY_SECRET_MANAGER_KEY_GENERATOR_ALGORITHM_KEY, HADOOP_SECURITY_SECRET_MANAGER_KEY_LENGTH_DEFAULT, HADOOP_SECURITY_SECRET_MANAGER_KEY_LENGTH_KEY, HADOOP_SECURITY_SECURE_RANDOM_DEVICE_FILE_PATH_DEFAULT, HADOOP_SECURITY_SECURE_RANDOM_DEVICE_FILE_PATH_KEY, HADOOP_SECURITY_SECURE_RANDOM_IMPL_KEY, HADOOP_SECURITY_SENSITIVE_CONFIG_KEYS, HADOOP_SECURITY_SENSITIVE_CONFIG_KEYS_DEFAULT, HADOOP_SECURITY_SERVICE_USER_NAME_KEY, HADOOP_SHELL_MISSING_DEFAULT_FS_WARNING_DEFAULT, HADOOP_SHELL_MISSING_DEFAULT_FS_WARNING_KEY, HADOOP_SHELL_SAFELY_DELETE_LIMIT_NUM_FILES, HADOOP_SHELL_SAFELY_DELETE_LIMIT_NUM_FILES_DEFAULT, HADOOP_SOCKS_SERVER_KEY, HADOOP_SYSTEM_TAGS, HADOOP_TAGS_CUSTOM, HADOOP_TAGS_SYSTEM, HADOOP_TOKEN_FILES, HADOOP_TOKENS, HADOOP_UTIL_HASH_TYPE_DEFAULT, HADOOP_UTIL_HASH_TYPE_KEY, IO_COMPRESSION_CODEC_LZO_CLASS_KEY, IO_FILE_BUFFER_SIZE_DEFAULT, IO_FILE_BUFFER_SIZE_KEY, IO_MAP_INDEX_INTERVAL_DEFAULT, IO_MAP_INDEX_INTERVAL_KEY, IO_MAP_INDEX_SKIP_DEFAULT, IO_MAP_INDEX_SKIP_KEY, IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT, IO_MAPFILE_BLOOM_ERROR_RATE_KEY, IO_MAPFILE_BLOOM_SIZE_DEFAULT, IO_MAPFILE_BLOOM_SIZE_KEY, IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT, IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY, IO_SERIALIZATIONS_KEY, IO_SKIP_CHECKSUM_ERRORS_DEFAULT, IO_SKIP_CHECKSUM_ERRORS_KEY, IO_SORT_FACTOR_DEFAULT, IO_SORT_FACTOR_KEY, IO_SORT_MB_DEFAULT, IO_SORT_MB_KEY, IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT, IPC_CLIENT_CONNECT_MAX_RETRIES_KEY, IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_DEFAULT, IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_KEY, IPC_CLIENT_CONNECT_RETRY_INTERVAL_DEFAULT, IPC_CLIENT_CONNECT_RETRY_INTERVAL_KEY, IPC_CLIENT_CONNECT_TIMEOUT_DEFAULT, IPC_CLIENT_CONNECT_TIMEOUT_KEY, IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT, IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY, IPC_CLIENT_IDLETHRESHOLD_DEFAULT, IPC_CLIENT_IDLETHRESHOLD_KEY, IPC_CLIENT_KILL_MAX_DEFAULT, IPC_CLIENT_KILL_MAX_KEY, IPC_CLIENT_LOW_LATENCY, IPC_CLIENT_LOW_LATENCY_DEFAULT, IPC_CLIENT_TCPNODELAY_DEFAULT, IPC_CLIENT_TCPNODELAY_KEY, IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT, IPC_SERVER_LISTEN_QUEUE_SIZE_KEY, IPC_SERVER_LOG_SLOW_RPC, IPC_SERVER_LOG_SLOW_RPC_DEFAULT, IPC_SERVER_LOG_SLOW_RPC_THRESHOLD_MS_DEFAULT, IPC_SERVER_LOG_SLOW_RPC_THRESHOLD_MS_KEY, IPC_SERVER_MAX_CONNECTIONS_DEFAULT, IPC_SERVER_MAX_CONNECTIONS_KEY, IPC_SERVER_METRICS_UPDATE_RUNNER_INTERVAL, IPC_SERVER_METRICS_UPDATE_RUNNER_INTERVAL_DEFAULT, IPC_SERVER_PURGE_INTERVAL_MINUTES_DEFAULT, IPC_SERVER_PURGE_INTERVAL_MINUTES_KEY, IPC_SERVER_REUSEADDR_DEFAULT, IPC_SERVER_REUSEADDR_KEY, IPC_SERVER_TCPNODELAY_DEFAULT, IPC_SERVER_TCPNODELAY_KEY, JMX_NAN_FILTER, JMX_NAN_FILTER_DEFAULT, KMS_CLIENT_ENC_KEY_CACHE_EXPIRY_DEFAULT, KMS_CLIENT_ENC_KEY_CACHE_EXPIRY_MS, KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK, KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK_DEFAULT, KMS_CLIENT_ENC_KEY_CACHE_NUM_REFILL_THREADS, KMS_CLIENT_ENC_KEY_CACHE_NUM_REFILL_THREADS_DEFAULT, KMS_CLIENT_ENC_KEY_CACHE_SIZE, KMS_CLIENT_ENC_KEY_CACHE_SIZE_DEFAULT, KMS_CLIENT_FAILOVER_MAX_RETRIES_KEY, KMS_CLIENT_FAILOVER_SLEEP_BASE_MILLIS_DEFAULT, KMS_CLIENT_FAILOVER_SLEEP_BASE_MILLIS_KEY, KMS_CLIENT_FAILOVER_SLEEP_MAX_MILLIS_DEFAULT, KMS_CLIENT_FAILOVER_SLEEP_MAX_MILLIS_KEY, KMS_CLIENT_TIMEOUT_DEFAULT, KMS_CLIENT_TIMEOUT_SECONDS, NET_DEPENDENCY_SCRIPT_FILE_NAME_KEY, NET_TOPOLOGY_IMPL_KEY, NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY, NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY, NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT, NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY, NET_TOPOLOGY_TABLE_MAPPING_FILE_KEY, SEQ_IO_SORT_FACTOR_DEFAULT, SEQ_IO_SORT_FACTOR_KEY, SEQ_IO_SORT_MB_DEFAULT, SEQ_IO_SORT_MB_KEY, SERVICE_SHUTDOWN_TIMEOUT, SERVICE_SHUTDOWN_TIMEOUT_DEFAULT, TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT, TFILE_FS_INPUT_BUFFER_SIZE_KEY, TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT, TFILE_FS_OUTPUT_BUFFER_SIZE_KEY, TFILE_IO_CHUNK_SIZE_DEFAULT, TFILE_IO_CHUNK_SIZE_KEY -
Constructor Summary
Constructors -
Method Summary
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Field Details
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FS_HOME_DIR_KEY
Default location for user home directories- See Also:
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FS_HOME_DIR_DEFAULT
Default value for FS_HOME_DIR_KEY- See Also:
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FS_PERMISSIONS_UMASK_KEY
Default umask for files created in HDFS- See Also:
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FS_PERMISSIONS_UMASK_DEFAULT
public static final int FS_PERMISSIONS_UMASK_DEFAULTDefault value for FS_PERMISSIONS_UMASK_KEY- See Also:
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IPC_PING_INTERVAL_KEY
How often does RPC client send pings to RPC server- See Also:
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IPC_PING_INTERVAL_DEFAULT
public static final int IPC_PING_INTERVAL_DEFAULTDefault value for IPC_PING_INTERVAL_KEY- See Also:
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IPC_CLIENT_PING_KEY
Enables pings from RPC client to the server- See Also:
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IPC_CLIENT_PING_DEFAULT
public static final boolean IPC_CLIENT_PING_DEFAULTDefault value of IPC_CLIENT_PING_KEY- See Also:
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IPC_CLIENT_RPC_TIMEOUT_KEY
Timeout value for RPC client on waiting for response.- See Also:
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IPC_CLIENT_RPC_TIMEOUT_DEFAULT
public static final int IPC_CLIENT_RPC_TIMEOUT_DEFAULTDefault value for IPC_CLIENT_RPC_TIMEOUT_KEY.- See Also:
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IPC_SERVER_RPC_MAX_RESPONSE_SIZE_KEY
Responses larger than this will be logged- See Also:
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IPC_SERVER_RPC_MAX_RESPONSE_SIZE_DEFAULT
public static final int IPC_SERVER_RPC_MAX_RESPONSE_SIZE_DEFAULTDefault value for IPC_SERVER_RPC_MAX_RESPONSE_SIZE_KEY- See Also:
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IPC_SERVER_RPC_READ_THREADS_KEY
Number of threads in RPC server reading from the socket- See Also:
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IPC_SERVER_RPC_READ_THREADS_DEFAULT
public static final int IPC_SERVER_RPC_READ_THREADS_DEFAULTDefault value for IPC_SERVER_RPC_READ_THREADS_KEY- See Also:
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IPC_SERVER_RPC_READ_CONNECTION_QUEUE_SIZE_KEY
Number of pending connections that may be queued per socket reader- See Also:
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IPC_SERVER_RPC_READ_CONNECTION_QUEUE_SIZE_DEFAULT
public static final int IPC_SERVER_RPC_READ_CONNECTION_QUEUE_SIZE_DEFAULTDefault value for IPC_SERVER_RPC_READ_CONNECTION_QUEUE_SIZE- See Also:
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IPC_MAXIMUM_DATA_LENGTH
Max request size a server will accept.- See Also:
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IPC_MAXIMUM_DATA_LENGTH_DEFAULT
public static final int IPC_MAXIMUM_DATA_LENGTH_DEFAULTDefault value for IPC_MAXIMUM_DATA_LENGTH.- See Also:
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IPC_MAXIMUM_RESPONSE_LENGTH
Max response size a client will accept.- See Also:
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IPC_MAXIMUM_RESPONSE_LENGTH_DEFAULT
public static final int IPC_MAXIMUM_RESPONSE_LENGTH_DEFAULTDefault value for IPC_MAXIMUM_RESPONSE_LENGTH.- See Also:
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IPC_SERVER_HANDLER_QUEUE_SIZE_KEY
How many calls per handler are allowed in the queue.- See Also:
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IPC_SERVER_HANDLER_QUEUE_SIZE_DEFAULT
public static final int IPC_SERVER_HANDLER_QUEUE_SIZE_DEFAULTDefault value for IPC_SERVER_HANDLER_QUEUE_SIZE_KEY- See Also:
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IPC_NAMESPACE
CallQueue related settings. These are not used directly, but rather combined with a namespace and port. For instance: IPC_NAMESPACE + ".8020." + IPC_CALLQUEUE_IMPL_KEY- See Also:
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IPC_CALLQUEUE_IMPL_KEY
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IPC_SCHEDULER_IMPL_KEY
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IPC_IDENTITY_PROVIDER_KEY
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IPC_COST_PROVIDER_KEY
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IPC_BACKOFF_ENABLE
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IPC_BACKOFF_ENABLE_DEFAULT
public static final boolean IPC_BACKOFF_ENABLE_DEFAULT- See Also:
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IPC_CALLQUEUE_SERVER_FAILOVER_ENABLE
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IPC_CALLQUEUE_SERVER_FAILOVER_ENABLE_DEFAULT
public static final boolean IPC_CALLQUEUE_SERVER_FAILOVER_ENABLE_DEFAULT- See Also:
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IPC_CALLQUEUE_CAPACITY_WEIGHTS_KEY
Callqueue subqueue capacity weights.- See Also:
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IPC_SCHEDULER_PRIORITY_LEVELS_KEY
IPC scheduler priority levels.- See Also:
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IPC_SCHEDULER_PRIORITY_LEVELS_DEFAULT_KEY
public static final int IPC_SCHEDULER_PRIORITY_LEVELS_DEFAULT_KEY- See Also:
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NET_TOPOLOGY_CONFIGURED_NODE_MAPPING_KEY
This is for specifying the implementation for the mappings from hostnames to the racks they belong to- See Also:
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IO_COMPRESSION_CODECS_KEY
Supported compression codec classes- See Also:
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IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_KEY
Internal buffer size for Lzo compressor/decompressors- See Also:
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IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_DEFAULT
public static final int IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_DEFAULTDefault value for IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_KEY- See Also:
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IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEY
Internal buffer size for Snappy compressor/decompressors- See Also:
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IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_DEFAULT
public static final int IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_DEFAULTDefault value for IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEY- See Also:
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IO_COMPRESSION_CODEC_ZSTD_LEVEL_KEY
ZStandard compression level.- See Also:
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IO_COMPRESSION_CODEC_ZSTD_LEVEL_DEFAULT
public static final int IO_COMPRESSION_CODEC_ZSTD_LEVEL_DEFAULTDefault value for IO_COMPRESSION_CODEC_ZSTD_LEVEL_KEY.- See Also:
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IO_COMPRESSION_CODEC_ZSTD_BUFFER_SIZE_KEY
ZStandard buffer size.- See Also:
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IO_COMPRESSION_CODEC_ZSTD_BUFFER_SIZE_DEFAULT
public static final int IO_COMPRESSION_CODEC_ZSTD_BUFFER_SIZE_DEFAULTZStandard buffer size a value of 0 means use the recommended zstd buffer size that the library recommends.- See Also:
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IO_COMPRESSION_CODEC_LZ4_BUFFERSIZE_KEY
Internal buffer size for Lz4 compressor/decompressors- See Also:
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IO_COMPRESSION_CODEC_LZ4_BUFFERSIZE_DEFAULT
public static final int IO_COMPRESSION_CODEC_LZ4_BUFFERSIZE_DEFAULTDefault value for IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEY- See Also:
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IO_COMPRESSION_CODEC_LZ4_USELZ4HC_KEY
Use lz4hc(slow but with high compression ratio) for lz4 compression- See Also:
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IO_COMPRESSION_CODEC_LZ4_USELZ4HC_DEFAULT
public static final boolean IO_COMPRESSION_CODEC_LZ4_USELZ4HC_DEFAULTDefault value for IO_COMPRESSION_CODEC_USELZ4HC_KEY- See Also:
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_DEFAULT_ACL
Service Authorization- See Also:
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_DEFAULT_BLOCKED_ACL
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_REFRESH_POLICY
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_GET_USER_MAPPINGS
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_REFRESH_USER_MAPPINGS
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_REFRESH_CALLQUEUE
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_GENERIC_REFRESH
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_TRACING
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_DATANODE_LIFELINE
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HADOOP_SECURITY_SERVICE_AUTHORIZATION_RECONFIGURATION
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SECURITY_HA_SERVICE_PROTOCOL_ACL
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SECURITY_ZKFC_PROTOCOL_ACL
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SECURITY_CLIENT_PROTOCOL_ACL
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SECURITY_CLIENT_DATANODE_PROTOCOL_ACL
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SECURITY_ROUTER_ADMIN_PROTOCOL_ACL
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SECURITY_DATANODE_PROTOCOL_ACL
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SECURITY_INTER_DATANODE_PROTOCOL_ACL
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SECURITY_NAMENODE_PROTOCOL_ACL
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SECURITY_QJOURNAL_SERVICE_PROTOCOL_ACL
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SECURITY_INTERQJOURNAL_SERVICE_PROTOCOL_ACL
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HADOOP_SECURITY_TOKEN_SERVICE_USE_IP
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HADOOP_SECURITY_TOKEN_SERVICE_USE_IP_DEFAULT
public static final boolean HADOOP_SECURITY_TOKEN_SERVICE_USE_IP_DEFAULT- See Also:
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HADOOP_SECURITY_HOSTNAME_CACHE_EXPIRE_INTERVAL_SECONDS
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HADOOP_SECURITY_HOSTNAME_CACHE_EXPIRE_INTERVAL_SECONDS_DEFAULT
public static final int HADOOP_SECURITY_HOSTNAME_CACHE_EXPIRE_INTERVAL_SECONDS_DEFAULT- See Also:
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HADOOP_SECURITY_DNS_LOG_SLOW_LOOKUPS_ENABLED_KEY
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HADOOP_SECURITY_DNS_LOG_SLOW_LOOKUPS_ENABLED_DEFAULT
public static final boolean HADOOP_SECURITY_DNS_LOG_SLOW_LOOKUPS_ENABLED_DEFAULT- See Also:
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HADOOP_SECURITY_DNS_LOG_SLOW_LOOKUPS_THRESHOLD_MS_KEY
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HADOOP_SECURITY_DNS_LOG_SLOW_LOOKUPS_THRESHOLD_MS_DEFAULT
public static final int HADOOP_SECURITY_DNS_LOG_SLOW_LOOKUPS_THRESHOLD_MS_DEFAULT- See Also:
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HA_HM_CONNECT_RETRY_INTERVAL_KEY
HA health monitor and failover controller.- See Also:
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HA_HM_CONNECT_RETRY_INTERVAL_DEFAULT
public static final long HA_HM_CONNECT_RETRY_INTERVAL_DEFAULT- See Also:
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HA_HM_CHECK_INTERVAL_KEY
- See Also:
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HA_HM_CHECK_INTERVAL_DEFAULT
public static final long HA_HM_CHECK_INTERVAL_DEFAULT- See Also:
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HA_HM_SLEEP_AFTER_DISCONNECT_KEY
- See Also:
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HA_HM_SLEEP_AFTER_DISCONNECT_DEFAULT
public static final long HA_HM_SLEEP_AFTER_DISCONNECT_DEFAULT- See Also:
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HA_HM_RPC_CONNECT_MAX_RETRIES_KEY
How many time to retry connecting to the service.- See Also:
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HA_HM_RPC_CONNECT_MAX_RETRIES_DEFAULT
public static final int HA_HM_RPC_CONNECT_MAX_RETRIES_DEFAULT- See Also:
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HA_HM_RPC_TIMEOUT_KEY
How often to retry connecting to the service.- See Also:
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HA_HM_RPC_TIMEOUT_DEFAULT
public static final int HA_HM_RPC_TIMEOUT_DEFAULT- See Also:
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HA_FC_NEW_ACTIVE_TIMEOUT_KEY
- See Also:
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HA_FC_NEW_ACTIVE_TIMEOUT_DEFAULT
public static final int HA_FC_NEW_ACTIVE_TIMEOUT_DEFAULT- See Also:
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HA_FC_GRACEFUL_FENCE_TIMEOUT_KEY
- See Also:
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HA_FC_GRACEFUL_FENCE_TIMEOUT_DEFAULT
public static final int HA_FC_GRACEFUL_FENCE_TIMEOUT_DEFAULT- See Also:
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HA_FC_GRACEFUL_FENCE_CONNECTION_RETRIES
- See Also:
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HA_FC_GRACEFUL_FENCE_CONNECTION_RETRIES_DEFAULT
public static final int HA_FC_GRACEFUL_FENCE_CONNECTION_RETRIES_DEFAULT- See Also:
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HA_FC_ELECTOR_ZK_OP_RETRIES_KEY
number of zookeeper operation retry times in ActiveStandbyElector- See Also:
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HA_FC_ELECTOR_ZK_OP_RETRIES_DEFAULT
public static final int HA_FC_ELECTOR_ZK_OP_RETRIES_DEFAULT- See Also:
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HA_FC_CLI_CHECK_TIMEOUT_KEY
- See Also:
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HA_FC_CLI_CHECK_TIMEOUT_DEFAULT
public static final int HA_FC_CLI_CHECK_TIMEOUT_DEFAULT- See Also:
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HADOOP_HTTP_STATIC_USER
Static user web-filter properties. SeeStaticUserWebFilter.- See Also:
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DEFAULT_HADOOP_HTTP_STATIC_USER
- See Also:
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HADOOP_USER_GROUP_STATIC_OVERRIDES
User->groups static mapping to override the groups lookup- See Also:
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HADOOP_USER_GROUP_STATIC_OVERRIDES_DEFAULT
- See Also:
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HADOOP_JETTY_LOGS_SERVE_ALIASES
Enable/Disable aliases serving from jetty- See Also:
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DEFAULT_HADOOP_JETTY_LOGS_SERVE_ALIASES
public static final boolean DEFAULT_HADOOP_JETTY_LOGS_SERVE_ALIASES- See Also:
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KERBEROS_TICKET_CACHE_PATH
- See Also:
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HADOOP_SECURITY_UID_NAME_CACHE_TIMEOUT_KEY
- See Also:
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HADOOP_SECURITY_UID_NAME_CACHE_TIMEOUT_DEFAULT
public static final long HADOOP_SECURITY_UID_NAME_CACHE_TIMEOUT_DEFAULT- See Also:
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IPC_CLIENT_ASYNC_CALLS_MAX_KEY
- See Also:
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IPC_CLIENT_ASYNC_CALLS_MAX_DEFAULT
public static final int IPC_CLIENT_ASYNC_CALLS_MAX_DEFAULT- See Also:
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IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_KEY
- See Also:
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IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_DEFAULT
public static final boolean IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_DEFAULT- See Also:
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IPC_CLIENT_BIND_WILDCARD_ADDR_KEY
- See Also:
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IPC_CLIENT_BIND_WILDCARD_ADDR_DEFAULT
public static final boolean IPC_CLIENT_BIND_WILDCARD_ADDR_DEFAULT- See Also:
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IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_KEY
- See Also:
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IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_DEFAULT
public static final int IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_DEFAULT- See Also:
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IPC_CLIENT_CONNECTION_IDLESCANINTERVAL_KEY
How often the server scans for idle connections- See Also:
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IPC_CLIENT_CONNECTION_IDLESCANINTERVAL_DEFAULT
public static final int IPC_CLIENT_CONNECTION_IDLESCANINTERVAL_DEFAULTDefault value for IPC_SERVER_CONNECTION_IDLE_SCAN_INTERVAL_KEY- See Also:
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HADOOP_USER_GROUP_METRICS_PERCENTILES_INTERVALS
- See Also:
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RPC_METRICS_QUANTILE_ENABLE
- See Also:
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RPC_METRICS_QUANTILE_ENABLE_DEFAULT
public static final boolean RPC_METRICS_QUANTILE_ENABLE_DEFAULT- See Also:
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RPC_METRICS_PERCENTILES_INTERVALS_KEY
- See Also:
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RPC_METRICS_TIME_UNIT
- See Also:
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NFS_EXPORTS_ALLOWED_HOSTS_SEPARATOR
Allowed hosts for nfs exports- See Also:
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NFS_EXPORTS_ALLOWED_HOSTS_KEY
- See Also:
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NFS_EXPORTS_ALLOWED_HOSTS_KEY_DEFAULT
- See Also:
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FS_CLIENT_HTRACE_PREFIX
- See Also:
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ZK_PREFIX
- See Also:
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ZK_ACL
ACL for the ZooKeeper ensemble.- See Also:
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ZK_ACL_DEFAULT
- See Also:
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ZK_AUTH
Authentication for the ZooKeeper ensemble.- See Also:
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ZK_SERVER_PRINCIPAL
Principal name for zookeeper servers.- See Also:
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ZK_KERBEROS_PRINCIPAL
Kerberos principal name for zookeeper connection.- See Also:
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ZK_KERBEROS_KEYTAB
Kerberos keytab for zookeeper connection.- See Also:
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ZK_ADDRESS
Address of the ZooKeeper ensemble.- See Also:
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ZK_NUM_RETRIES
Maximum number of retries for a ZooKeeper operation.- See Also:
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ZK_NUM_RETRIES_DEFAULT
public static final int ZK_NUM_RETRIES_DEFAULT- See Also:
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ZK_TIMEOUT_MS
Timeout for a ZooKeeper operation in ZooKeeper in milliseconds.- See Also:
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ZK_TIMEOUT_MS_DEFAULT
public static final int ZK_TIMEOUT_MS_DEFAULT- See Also:
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ZK_RETRY_INTERVAL_MS
How often to retry a ZooKeeper operation in milliseconds.- See Also:
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ZK_CLIENT_SSL_ENABLED
SSL enablement for all Hadoop->ZK communication.- See Also:
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ZK_SSL_KEYSTORE_LOCATION
Keystore location for ZooKeeper client connection over SSL.- See Also:
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ZK_SSL_KEYSTORE_PASSWORD
Keystore password for ZooKeeper client connection over SSL.- See Also:
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ZK_SSL_TRUSTSTORE_LOCATION
Truststore location for ZooKeeper client connection over SSL.- See Also:
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ZK_SSL_TRUSTSTORE_PASSWORD
Truststore password for ZooKeeper client connection over SSL.- See Also:
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ZK_RETRY_INTERVAL_MS_DEFAULT
public static final int ZK_RETRY_INTERVAL_MS_DEFAULT- See Also:
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HADOOP_DOMAINNAME_RESOLVER_IMPL
Default domain name resolver for hadoop to use.- See Also:
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HADOOP_DOMAINNAME_RESOLVER_IMPL_DEFAULT
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DFS_CLIENT_IGNORE_NAMENODE_DEFAULT_KMS_URI
- See Also:
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DFS_CLIENT_IGNORE_NAMENODE_DEFAULT_KMS_URI_DEFAULT
public static final boolean DFS_CLIENT_IGNORE_NAMENODE_DEFAULT_KMS_URI_DEFAULT- See Also:
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HADOOP_METRICS_JVM_USE_THREAD_MXBEAN
Whether or not ThreadMXBean is used for getting thread info in JvmMetrics, ThreadGroup approach is preferred for better performance.- See Also:
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HADOOP_METRICS_JVM_USE_THREAD_MXBEAN_DEFAULT
public static final boolean HADOOP_METRICS_JVM_USE_THREAD_MXBEAN_DEFAULT- See Also:
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IOSTATISTICS_LOGGING_LEVEL
logging level for IOStatistics (debug or info).- See Also:
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IOSTATISTICS_LOGGING_LEVEL_DEBUG
DEBUG logging level for IOStatistics logging.- See Also:
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IOSTATISTICS_LOGGING_LEVEL_WARN
WARN logging level for IOStatistics logging.- See Also:
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IOSTATISTICS_LOGGING_LEVEL_ERROR
ERROR logging level for IOStatistics logging.- See Also:
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IOSTATISTICS_LOGGING_LEVEL_INFO
INFO logging level for IOStatistics logging.- See Also:
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IOSTATISTICS_LOGGING_LEVEL_DEFAULT
Default value for IOStatistics logging level.- See Also:
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HADOOP_TMP_DIR
default hadoop temp dir on local system: "hadoop.tmp.dir".- See Also:
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IOSTATISTICS_THREAD_LEVEL_ENABLED
Thread-level IOStats Support. "fs.iostatistics.thread.level.enabled"- See Also:
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IOSTATISTICS_THREAD_LEVEL_ENABLED_DEFAULT
public static final boolean IOSTATISTICS_THREAD_LEVEL_ENABLED_DEFAULTDefault value for Thread-level IOStats Support is true.- See Also:
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HADOOP_SECURITY_RESOLVER_IMPL
- See Also:
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LOCAL_FS_VERIFY_CHECKSUM
Verify checksums on read -default is true."fs.file.checksum.verify".
- See Also:
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Constructor Details
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CommonConfigurationKeys
public CommonConfigurationKeys()
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