001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019package org.apache.hadoop.fs; 020 021import org.apache.hadoop.classification.InterfaceAudience; 022import org.apache.hadoop.crypto.CipherSuite; 023import org.apache.hadoop.crypto.JceAesCtrCryptoCodec; 024import org.apache.hadoop.crypto.OpensslAesCtrCryptoCodec; 025 026/** 027 * This class contains constants for configuration keys used 028 * in the common code. 029 * 030 * It includes all publicly documented configuration keys. In general 031 * this class should not be used directly (use CommonConfigurationKeys 032 * instead) 033 * 034 */ 035 036@InterfaceAudience.Public 037public class CommonConfigurationKeysPublic { 038 039 // The Keys 040 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 041 public static final String IO_NATIVE_LIB_AVAILABLE_KEY = 042 "io.native.lib.available"; 043 /** Default value for IO_NATIVE_LIB_AVAILABLE_KEY */ 044 public static final boolean IO_NATIVE_LIB_AVAILABLE_DEFAULT = true; 045 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 046 public static final String NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY = 047 "net.topology.script.number.args"; 048 /** Default value for NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY */ 049 public static final int NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT = 100; 050 051 //FS keys 052 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 053 public static final String FS_DEFAULT_NAME_KEY = "fs.defaultFS"; 054 /** Default value for FS_DEFAULT_NAME_KEY */ 055 public static final String FS_DEFAULT_NAME_DEFAULT = "file:///"; 056 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 057 public static final String FS_DF_INTERVAL_KEY = "fs.df.interval"; 058 /** Default value for FS_DF_INTERVAL_KEY */ 059 public static final long FS_DF_INTERVAL_DEFAULT = 60000; 060 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 061 public static final String FS_DU_INTERVAL_KEY = "fs.du.interval"; 062 /** Default value for FS_DU_INTERVAL_KEY */ 063 public static final long FS_DU_INTERVAL_DEFAULT = 600000; 064 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 065 public static final String FS_CLIENT_RESOLVE_REMOTE_SYMLINKS_KEY = 066 "fs.client.resolve.remote.symlinks"; 067 /** Default value for FS_CLIENT_RESOLVE_REMOTE_SYMLINKS_KEY */ 068 public static final boolean FS_CLIENT_RESOLVE_REMOTE_SYMLINKS_DEFAULT = true; 069 070 071 //Defaults are not specified for following keys 072 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 073 public static final String NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY = 074 "net.topology.script.file.name"; 075 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 076 public static final String NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY = 077 "net.topology.node.switch.mapping.impl"; 078 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 079 public static final String NET_TOPOLOGY_IMPL_KEY = 080 "net.topology.impl"; 081 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 082 public static final String NET_TOPOLOGY_TABLE_MAPPING_FILE_KEY = 083 "net.topology.table.file.name"; 084 public static final String NET_DEPENDENCY_SCRIPT_FILE_NAME_KEY = 085 "net.topology.dependency.script.file.name"; 086 087 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 088 public static final String FS_TRASH_CHECKPOINT_INTERVAL_KEY = 089 "fs.trash.checkpoint.interval"; 090 /** Default value for FS_TRASH_CHECKPOINT_INTERVAL_KEY */ 091 public static final long FS_TRASH_CHECKPOINT_INTERVAL_DEFAULT = 0; 092 093 // TBD: Code is still using hardcoded values (e.g. "fs.automatic.close") 094 // instead of constant (e.g. FS_AUTOMATIC_CLOSE_KEY) 095 // 096 /** Not used anywhere, looks like default value for FS_LOCAL_BLOCK_SIZE */ 097 public static final long FS_LOCAL_BLOCK_SIZE_DEFAULT = 32*1024*1024; 098 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 099 public static final String FS_AUTOMATIC_CLOSE_KEY = "fs.automatic.close"; 100 /** Default value for FS_AUTOMATIC_CLOSE_KEY */ 101 public static final boolean FS_AUTOMATIC_CLOSE_DEFAULT = true; 102 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 103 public static final String FS_FILE_IMPL_KEY = "fs.file.impl"; 104 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 105 public static final String FS_FTP_HOST_KEY = "fs.ftp.host"; 106 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 107 public static final String FS_FTP_HOST_PORT_KEY = "fs.ftp.host.port"; 108 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 109 public static final String FS_TRASH_INTERVAL_KEY = "fs.trash.interval"; 110 /** Default value for FS_TRASH_INTERVAL_KEY */ 111 public static final long FS_TRASH_INTERVAL_DEFAULT = 0; 112 113 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 114 public static final String IO_MAPFILE_BLOOM_SIZE_KEY = 115 "io.mapfile.bloom.size"; 116 /** Default value for IO_MAPFILE_BLOOM_SIZE_KEY */ 117 public static final int IO_MAPFILE_BLOOM_SIZE_DEFAULT = 1024*1024; 118 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 119 public static final String IO_MAPFILE_BLOOM_ERROR_RATE_KEY = 120 "io.mapfile.bloom.error.rate" ; 121 /** Default value for IO_MAPFILE_BLOOM_ERROR_RATE_KEY */ 122 public static final float IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT = 0.005f; 123 /** Codec class that implements Lzo compression algorithm */ 124 public static final String IO_COMPRESSION_CODEC_LZO_CLASS_KEY = 125 "io.compression.codec.lzo.class"; 126 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 127 public static final String IO_MAP_INDEX_INTERVAL_KEY = 128 "io.map.index.interval"; 129 /** Default value for IO_MAP_INDEX_INTERVAL_DEFAULT */ 130 public static final int IO_MAP_INDEX_INTERVAL_DEFAULT = 128; 131 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 132 public static final String IO_MAP_INDEX_SKIP_KEY = "io.map.index.skip"; 133 /** Default value for IO_MAP_INDEX_SKIP_KEY */ 134 public static final int IO_MAP_INDEX_SKIP_DEFAULT = 0; 135 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 136 public static final String IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY = 137 "io.seqfile.compress.blocksize"; 138 /** Default value for IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY */ 139 public static final int IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT = 1000000; 140 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 141 public static final String IO_FILE_BUFFER_SIZE_KEY = 142 "io.file.buffer.size"; 143 /** Default value for IO_FILE_BUFFER_SIZE_KEY */ 144 public static final int IO_FILE_BUFFER_SIZE_DEFAULT = 4096; 145 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 146 public static final String IO_SKIP_CHECKSUM_ERRORS_KEY = 147 "io.skip.checksum.errors"; 148 /** Default value for IO_SKIP_CHECKSUM_ERRORS_KEY */ 149 public static final boolean IO_SKIP_CHECKSUM_ERRORS_DEFAULT = false; 150 /** 151 * @deprecated Moved to mapreduce, see mapreduce.task.io.sort.mb 152 * in mapred-default.xml 153 * See https://issues.apache.org/jira/browse/HADOOP-6801 154 */ 155 public static final String IO_SORT_MB_KEY = "io.sort.mb"; 156 /** Default value for IO_SORT_MB_DEFAULT */ 157 public static final int IO_SORT_MB_DEFAULT = 100; 158 /** 159 * @deprecated Moved to mapreduce, see mapreduce.task.io.sort.factor 160 * in mapred-default.xml 161 * See https://issues.apache.org/jira/browse/HADOOP-6801 162 */ 163 public static final String IO_SORT_FACTOR_KEY = "io.sort.factor"; 164 /** Default value for IO_SORT_FACTOR_DEFAULT */ 165 public static final int IO_SORT_FACTOR_DEFAULT = 100; 166 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 167 public static final String IO_SERIALIZATIONS_KEY = "io.serializations"; 168 169 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 170 public static final String TFILE_IO_CHUNK_SIZE_KEY = "tfile.io.chunk.size"; 171 /** Default value for TFILE_IO_CHUNK_SIZE_DEFAULT */ 172 public static final int TFILE_IO_CHUNK_SIZE_DEFAULT = 1024*1024; 173 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 174 public static final String TFILE_FS_INPUT_BUFFER_SIZE_KEY = 175 "tfile.fs.input.buffer.size"; 176 /** Default value for TFILE_FS_INPUT_BUFFER_SIZE_KEY */ 177 public static final int TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT = 256*1024; 178 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 179 public static final String TFILE_FS_OUTPUT_BUFFER_SIZE_KEY = 180 "tfile.fs.output.buffer.size"; 181 /** Default value for TFILE_FS_OUTPUT_BUFFER_SIZE_KEY */ 182 public static final int TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT = 256*1024; 183 184 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 185 public static final String IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY = 186 "ipc.client.connection.maxidletime"; 187 /** Default value for IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY */ 188 public static final int IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT = 10000; // 10s 189 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 190 public static final String IPC_CLIENT_CONNECT_TIMEOUT_KEY = 191 "ipc.client.connect.timeout"; 192 /** Default value for IPC_CLIENT_CONNECT_TIMEOUT_KEY */ 193 public static final int IPC_CLIENT_CONNECT_TIMEOUT_DEFAULT = 20000; // 20s 194 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 195 public static final String IPC_CLIENT_CONNECT_MAX_RETRIES_KEY = 196 "ipc.client.connect.max.retries"; 197 /** Default value for IPC_CLIENT_CONNECT_MAX_RETRIES_KEY */ 198 public static final int IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT = 10; 199 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 200 public static final String IPC_CLIENT_CONNECT_RETRY_INTERVAL_KEY = 201 "ipc.client.connect.retry.interval"; 202 /** Default value for IPC_CLIENT_CONNECT_RETRY_INTERVAL_KEY */ 203 public static final int IPC_CLIENT_CONNECT_RETRY_INTERVAL_DEFAULT = 1000; 204 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 205 public static final String IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_KEY = 206 "ipc.client.connect.max.retries.on.timeouts"; 207 /** Default value for IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_KEY */ 208 public static final int IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_DEFAULT = 45; 209 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 210 public static final String IPC_CLIENT_TCPNODELAY_KEY = 211 "ipc.client.tcpnodelay"; 212 /** Defalt value for IPC_CLIENT_TCPNODELAY_KEY */ 213 public static final boolean IPC_CLIENT_TCPNODELAY_DEFAULT = true; 214 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 215 public static final String IPC_SERVER_LISTEN_QUEUE_SIZE_KEY = 216 "ipc.server.listen.queue.size"; 217 /** Default value for IPC_SERVER_LISTEN_QUEUE_SIZE_KEY */ 218 public static final int IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT = 128; 219 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 220 public static final String IPC_CLIENT_KILL_MAX_KEY = "ipc.client.kill.max"; 221 /** Default value for IPC_CLIENT_KILL_MAX_KEY */ 222 public static final int IPC_CLIENT_KILL_MAX_DEFAULT = 10; 223 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 224 public static final String IPC_CLIENT_IDLETHRESHOLD_KEY = 225 "ipc.client.idlethreshold"; 226 /** Default value for IPC_CLIENT_IDLETHRESHOLD_DEFAULT */ 227 public static final int IPC_CLIENT_IDLETHRESHOLD_DEFAULT = 4000; 228 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 229 public static final String IPC_SERVER_TCPNODELAY_KEY = 230 "ipc.server.tcpnodelay"; 231 /** Default value for IPC_SERVER_TCPNODELAY_KEY */ 232 public static final boolean IPC_SERVER_TCPNODELAY_DEFAULT = true; 233 234 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 235 public static final String HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY = 236 "hadoop.rpc.socket.factory.class.default"; 237 public static final String HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_DEFAULT = 238 "org.apache.hadoop.net.StandardSocketFactory"; 239 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 240 public static final String HADOOP_SOCKS_SERVER_KEY = "hadoop.socks.server"; 241 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 242 public static final String HADOOP_UTIL_HASH_TYPE_KEY = 243 "hadoop.util.hash.type"; 244 /** Default value for HADOOP_UTIL_HASH_TYPE_KEY */ 245 public static final String HADOOP_UTIL_HASH_TYPE_DEFAULT = "murmur"; 246 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 247 public static final String HADOOP_SECURITY_GROUP_MAPPING = 248 "hadoop.security.group.mapping"; 249 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 250 public static final String HADOOP_SECURITY_GROUPS_CACHE_SECS = 251 "hadoop.security.groups.cache.secs"; 252 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 253 public static final long HADOOP_SECURITY_GROUPS_CACHE_SECS_DEFAULT = 254 300; 255 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 256 public static final String HADOOP_SECURITY_GROUPS_NEGATIVE_CACHE_SECS = 257 "hadoop.security.groups.negative-cache.secs"; 258 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 259 public static final long HADOOP_SECURITY_GROUPS_NEGATIVE_CACHE_SECS_DEFAULT = 260 30; 261 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 262 public static final String HADOOP_SECURITY_GROUPS_CACHE_WARN_AFTER_MS = 263 "hadoop.security.groups.cache.warn.after.ms"; 264 public static final long HADOOP_SECURITY_GROUPS_CACHE_WARN_AFTER_MS_DEFAULT = 265 5000; 266 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 267 public static final String HADOOP_SECURITY_AUTHENTICATION = 268 "hadoop.security.authentication"; 269 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 270 public static final String HADOOP_SECURITY_AUTHORIZATION = 271 "hadoop.security.authorization"; 272 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 273 public static final String HADOOP_SECURITY_INSTRUMENTATION_REQUIRES_ADMIN = 274 "hadoop.security.instrumentation.requires.admin"; 275 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 276 public static final String HADOOP_SECURITY_SERVICE_USER_NAME_KEY = 277 "hadoop.security.service.user.name.key"; 278 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 279 public static final String HADOOP_SECURITY_AUTH_TO_LOCAL = 280 "hadoop.security.auth_to_local"; 281 282 @Deprecated 283 /** Only used by HttpServer. */ 284 public static final String HADOOP_SSL_ENABLED_KEY = "hadoop.ssl.enabled"; 285 @Deprecated 286 /** Only used by HttpServer. */ 287 public static final boolean HADOOP_SSL_ENABLED_DEFAULT = false; 288 289 290 // HTTP policies to be used in configuration 291 // Use HttpPolicy.name() instead 292 @Deprecated 293 public static final String HTTP_POLICY_HTTP_ONLY = "HTTP_ONLY"; 294 @Deprecated 295 public static final String HTTP_POLICY_HTTPS_ONLY = "HTTPS_ONLY"; 296 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 297 public static final String HADOOP_RPC_PROTECTION = 298 "hadoop.rpc.protection"; 299 /** Class to override Sasl Properties for a connection */ 300 public static final String HADOOP_SECURITY_SASL_PROPS_RESOLVER_CLASS = 301 "hadoop.security.saslproperties.resolver.class"; 302 public static final String HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_KEY_PREFIX = 303 "hadoop.security.crypto.codec.classes"; 304 public static final String 305 HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_AES_CTR_NOPADDING_KEY = 306 HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_KEY_PREFIX 307 + CipherSuite.AES_CTR_NOPADDING.getConfigSuffix(); 308 public static final String 309 HADOOP_SECURITY_CRYPTO_CODEC_CLASSES_AES_CTR_NOPADDING_DEFAULT = 310 OpensslAesCtrCryptoCodec.class.getName() + "," + 311 JceAesCtrCryptoCodec.class.getName(); 312 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 313 public static final String HADOOP_SECURITY_CRYPTO_CIPHER_SUITE_KEY = 314 "hadoop.security.crypto.cipher.suite"; 315 public static final String HADOOP_SECURITY_CRYPTO_CIPHER_SUITE_DEFAULT = 316 "AES/CTR/NoPadding"; 317 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 318 public static final String HADOOP_SECURITY_CRYPTO_JCE_PROVIDER_KEY = 319 "hadoop.security.crypto.jce.provider"; 320 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 321 public static final String HADOOP_SECURITY_CRYPTO_BUFFER_SIZE_KEY = 322 "hadoop.security.crypto.buffer.size"; 323 /** Defalt value for HADOOP_SECURITY_CRYPTO_BUFFER_SIZE_KEY */ 324 public static final int HADOOP_SECURITY_CRYPTO_BUFFER_SIZE_DEFAULT = 8192; 325 /** Class to override Impersonation provider */ 326 public static final String HADOOP_SECURITY_IMPERSONATION_PROVIDER_CLASS = 327 "hadoop.security.impersonation.provider.class"; 328 329 // <!--- KMSClientProvider configurations ???> 330 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 331 public static final String KMS_CLIENT_ENC_KEY_CACHE_SIZE = 332 "hadoop.security.kms.client.encrypted.key.cache.size"; 333 /** Default value for KMS_CLIENT_ENC_KEY_CACHE_SIZE */ 334 public static final int KMS_CLIENT_ENC_KEY_CACHE_SIZE_DEFAULT = 500; 335 336 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 337 public static final String KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK = 338 "hadoop.security.kms.client.encrypted.key.cache.low-watermark"; 339 /** Default value for KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK */ 340 public static final float KMS_CLIENT_ENC_KEY_CACHE_LOW_WATERMARK_DEFAULT = 341 0.3f; 342 343 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 344 public static final String KMS_CLIENT_ENC_KEY_CACHE_NUM_REFILL_THREADS = 345 "hadoop.security.kms.client.encrypted.key.cache.num.refill.threads"; 346 /** Default value for KMS_CLIENT_ENC_KEY_NUM_REFILL_THREADS */ 347 public static final int KMS_CLIENT_ENC_KEY_CACHE_NUM_REFILL_THREADS_DEFAULT = 348 2; 349 350 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 351 public static final String KMS_CLIENT_ENC_KEY_CACHE_EXPIRY_MS = 352 "hadoop.security.kms.client.encrypted.key.cache.expiry"; 353 /** Default value for KMS_CLIENT_ENC_KEY_CACHE_EXPIRY (12 hrs)*/ 354 public static final int KMS_CLIENT_ENC_KEY_CACHE_EXPIRY_DEFAULT = 43200000; 355 356 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 357 public static final String HADOOP_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_KEY = 358 "hadoop.security.java.secure.random.algorithm"; 359 /** Defalt value for HADOOP_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_KEY */ 360 public static final String HADOOP_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_DEFAULT = 361 "SHA1PRNG"; 362 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 363 public static final String HADOOP_SECURITY_SECURE_RANDOM_IMPL_KEY = 364 "hadoop.security.secure.random.impl"; 365 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 366 public static final String HADOOP_SECURITY_SECURE_RANDOM_DEVICE_FILE_PATH_KEY = 367 "hadoop.security.random.device.file.path"; 368 public static final String HADOOP_SECURITY_SECURE_RANDOM_DEVICE_FILE_PATH_DEFAULT = 369 "/dev/urandom"; 370 371 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 372 public static final String HADOOP_SHELL_MISSING_DEFAULT_FS_WARNING_KEY = 373 "hadoop.shell.missing.defaultFs.warning"; 374 // CLOUDERA-BUILD: enable the shell warnings by default. 375 public static final boolean HADOOP_SHELL_MISSING_DEFAULT_FS_WARNING_DEFAULT = 376 true; 377 378 /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ 379 public static final String HADOOP_HTTP_LOGS_ENABLED = 380 "hadoop.http.logs.enabled"; 381 /** Defalt value for HADOOP_HTTP_LOGS_ENABLED */ 382 public static final boolean HADOOP_HTTP_LOGS_ENABLED_DEFAULT = true; 383} 384