| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.fs; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| |
| /** |
| * 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) |
| * |
| */ |
| |
| @InterfaceAudience.Public |
| public class CommonConfigurationKeysPublic { |
| |
| // The Keys |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IO_NATIVE_LIB_AVAILABLE_KEY = |
| "io.native.lib.available"; |
| /** Default value for IO_NATIVE_LIB_AVAILABLE_KEY */ |
| public static final boolean IO_NATIVE_LIB_AVAILABLE_DEFAULT = true; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY = |
| "net.topology.script.number.args"; |
| /** Default value for NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY */ |
| public static final int NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT = 100; |
| |
| //FS keys |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String FS_DEFAULT_NAME_KEY = "fs.defaultFS"; |
| /** Default value for FS_DEFAULT_NAME_KEY */ |
| public static final String FS_DEFAULT_NAME_DEFAULT = "file:///"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String FS_DF_INTERVAL_KEY = "fs.df.interval"; |
| /** Default value for FS_DF_INTERVAL_KEY */ |
| public static final long FS_DF_INTERVAL_DEFAULT = 60000; |
| |
| |
| //Defaults are not specified for following keys |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY = |
| "net.topology.script.file.name"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY = |
| "net.topology.node.switch.mapping.impl"; |
| |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String FS_TRASH_CHECKPOINT_INTERVAL_KEY = |
| "fs.trash.checkpoint.interval"; |
| /** Default value for FS_TRASH_CHECKPOINT_INTERVAL_KEY */ |
| public static final long FS_TRASH_CHECKPOINT_INTERVAL_DEFAULT = 0; |
| |
| // TBD: Code is still using hardcoded values (e.g. "fs.automatic.close") |
| // instead of constant (e.g. FS_AUTOMATIC_CLOSE_KEY) |
| // |
| /** Not used anywhere, looks like default value for FS_LOCAL_BLOCK_SIZE */ |
| public static final long FS_LOCAL_BLOCK_SIZE_DEFAULT = 32*1024*1024; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String FS_AUTOMATIC_CLOSE_KEY = "fs.automatic.close"; |
| /** Default value for FS_AUTOMATIC_CLOSE_KEY */ |
| public static final boolean FS_AUTOMATIC_CLOSE_DEFAULT = true; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String FS_FILE_IMPL_KEY = "fs.file.impl"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String FS_FTP_HOST_KEY = "fs.ftp.host"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String FS_FTP_HOST_PORT_KEY = "fs.ftp.host.port"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String FS_TRASH_INTERVAL_KEY = "fs.trash.interval"; |
| /** Default value for FS_TRASH_INTERVAL_KEY */ |
| public static final long FS_TRASH_INTERVAL_DEFAULT = 0; |
| |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IO_MAPFILE_BLOOM_SIZE_KEY = |
| "io.mapfile.bloom.size"; |
| /** Default value for IO_MAPFILE_BLOOM_SIZE_KEY */ |
| public static final int IO_MAPFILE_BLOOM_SIZE_DEFAULT = 1024*1024; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IO_MAPFILE_BLOOM_ERROR_RATE_KEY = |
| "io.mapfile.bloom.error.rate" ; |
| /** Default value for IO_MAPFILE_BLOOM_ERROR_RATE_KEY */ |
| public static final float IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT = 0.005f; |
| /** Codec class that implements Lzo compression algorithm */ |
| public static final String IO_COMPRESSION_CODEC_LZO_CLASS_KEY = |
| "io.compression.codec.lzo.class"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IO_MAP_INDEX_INTERVAL_KEY = |
| "io.map.index.interval"; |
| /** Default value for IO_MAP_INDEX_INTERVAL_DEFAULT */ |
| public static final int IO_MAP_INDEX_INTERVAL_DEFAULT = 128; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IO_MAP_INDEX_SKIP_KEY = "io.map.index.skip"; |
| /** Default value for IO_MAP_INDEX_SKIP_KEY */ |
| public static final int IO_MAP_INDEX_SKIP_DEFAULT = 0; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY = |
| "io.seqfile.compress.blocksize"; |
| /** Default value for IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY */ |
| public static final int IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT = 1000000; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IO_FILE_BUFFER_SIZE_KEY = |
| "io.file.buffer.size"; |
| /** Default value for IO_FILE_BUFFER_SIZE_KEY */ |
| public static final int IO_FILE_BUFFER_SIZE_DEFAULT = 4096; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IO_SKIP_CHECKSUM_ERRORS_KEY = |
| "io.skip.checksum.errors"; |
| /** Default value for IO_SKIP_CHECKSUM_ERRORS_KEY */ |
| public static final boolean IO_SKIP_CHECKSUM_ERRORS_DEFAULT = false; |
| /** |
| * @deprecated Moved to mapreduce, see mapreduce.task.io.sort.mb |
| * in mapred-default.xml |
| * See https://issues.apache.org/jira/browse/HADOOP-6801 |
| */ |
| public static final String IO_SORT_MB_KEY = "io.sort.mb"; |
| /** Default value for IO_SORT_MB_DEFAULT */ |
| public static final int IO_SORT_MB_DEFAULT = 100; |
| /** |
| * @deprecated Moved to mapreduce, see mapreduce.task.io.sort.factor |
| * in mapred-default.xml |
| * See https://issues.apache.org/jira/browse/HADOOP-6801 |
| */ |
| public static final String IO_SORT_FACTOR_KEY = "io.sort.factor"; |
| /** Default value for IO_SORT_FACTOR_DEFAULT */ |
| public static final int IO_SORT_FACTOR_DEFAULT = 100; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IO_SERIALIZATIONS_KEY = "io.serializations"; |
| |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String TFILE_IO_CHUNK_SIZE_KEY = "tfile.io.chunk.size"; |
| /** Default value for TFILE_IO_CHUNK_SIZE_DEFAULT */ |
| public static final int TFILE_IO_CHUNK_SIZE_DEFAULT = 1024*1024; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String TFILE_FS_INPUT_BUFFER_SIZE_KEY = |
| "tfile.fs.input.buffer.size"; |
| /** Default value for TFILE_FS_INPUT_BUFFER_SIZE_KEY */ |
| public static final int TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT = 256*1024; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String TFILE_FS_OUTPUT_BUFFER_SIZE_KEY = |
| "tfile.fs.output.buffer.size"; |
| /** Default value for TFILE_FS_OUTPUT_BUFFER_SIZE_KEY */ |
| public static final int TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT = 256*1024; |
| |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY = |
| "ipc.client.connection.maxidletime"; |
| /** Default value for IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY */ |
| public static final int IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT = 10000; // 10s |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IPC_CLIENT_CONNECT_MAX_RETRIES_KEY = |
| "ipc.client.connect.max.retries"; |
| /** Default value for IPC_CLIENT_CONNECT_MAX_RETRIES_KEY */ |
| public static final int IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT = 10; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IPC_CLIENT_TCPNODELAY_KEY = |
| "ipc.client.tcpnodelay"; |
| /** Defalt value for IPC_CLIENT_TCPNODELAY_KEY */ |
| public static final boolean IPC_CLIENT_TCPNODELAY_DEFAULT = false; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IPC_SERVER_LISTEN_QUEUE_SIZE_KEY = |
| "ipc.server.listen.queue.size"; |
| /** Default value for IPC_SERVER_LISTEN_QUEUE_SIZE_KEY */ |
| public static final int IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT = 128; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IPC_CLIENT_KILL_MAX_KEY = "ipc.client.kill.max"; |
| /** Default value for IPC_CLIENT_KILL_MAX_KEY */ |
| public static final int IPC_CLIENT_KILL_MAX_DEFAULT = 10; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IPC_CLIENT_IDLETHRESHOLD_KEY = |
| "ipc.client.idlethreshold"; |
| /** Default value for IPC_CLIENT_IDLETHRESHOLD_DEFAULT */ |
| public static final int IPC_CLIENT_IDLETHRESHOLD_DEFAULT = 4000; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String IPC_SERVER_TCPNODELAY_KEY = |
| "ipc.server.tcpnodelay"; |
| /** Default value for IPC_SERVER_TCPNODELAY_KEY */ |
| public static final boolean IPC_SERVER_TCPNODELAY_DEFAULT = false; |
| |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY = |
| "hadoop.rpc.socket.factory.class.default"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String HADOOP_SOCKS_SERVER_KEY = "hadoop.socks.server"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String HADOOP_UTIL_HASH_TYPE_KEY = |
| "hadoop.util.hash.type"; |
| /** Default value for HADOOP_UTIL_HASH_TYPE_KEY */ |
| public static final String HADOOP_UTIL_HASH_TYPE_DEFAULT = "murmur"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String HADOOP_SECURITY_GROUP_MAPPING = |
| "hadoop.security.group.mapping"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String HADOOP_SECURITY_GROUPS_CACHE_SECS = |
| "hadoop.security.groups.cache.secs"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String HADOOP_SECURITY_AUTHENTICATION = |
| "hadoop.security.authentication"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String HADOOP_SECURITY_AUTHORIZATION = |
| "hadoop.security.authorization"; |
| /** See <a href="{@docRoot}/../core-default.html">core-default.xml</a> */ |
| public static final String HADOOP_SECURITY_SERVICE_USER_NAME_KEY = |
| "hadoop.security.service.user.name.key"; |
| } |
| |
