| /** |
| * 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; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** |
| * This class contains constants for configuration keys used |
| * in the common code. |
| * |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Unstable |
| public class CommonConfigurationKeys { |
| |
| // The Keys |
| public static final String IO_NATIVE_LIB_AVAILABLE_KEY = |
| "io.native.lib.available"; |
| public static final boolean IO_NATIVE_LIB_AVAILABLE_DEFAULT = true; |
| public static final String NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY = |
| "net.topology.script.number.args"; |
| public static final int NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_DEFAULT = 100; |
| |
| //FS keys |
| public static final String FS_HOME_DIR_KEY = "fs.homeDir"; |
| public static final String FS_HOME_DIR_DEFAULT = "/user"; |
| public static final String FS_DEFAULT_NAME_KEY = "fs.defaultFS"; |
| public static final String FS_DEFAULT_NAME_DEFAULT = "file:///"; |
| public static final String FS_PERMISSIONS_UMASK_KEY = "fs.permissions.umask-mode"; |
| public static final int FS_PERMISSIONS_UMASK_DEFAULT = 0022; |
| public static final String FS_DF_INTERVAL_KEY = "fs.df.interval"; |
| public static final long FS_DF_INTERVAL_DEFAULT = 60000; |
| |
| |
| //Defaults are not specified for following keys |
| public static final String NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY = |
| "net.topology.script.file.name"; |
| public static final String NET_TOPOLOGY_CONFIGURED_NODE_MAPPING_KEY = |
| "net.topology.configured.node.mapping"; |
| public static final String NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY = |
| "net.topology.node.switch.mapping.impl"; |
| |
| public static final String FS_CLIENT_BUFFER_DIR_KEY = |
| "fs.client.buffer.dir"; |
| |
| //TBD: Code is not updated to use following keys. |
| //These keys will be used in later versions |
| // |
| public static final long FS_LOCAL_BLOCK_SIZE_DEFAULT = 32*1024*1024; |
| public static final String FS_AUTOMATIC_CLOSE_KEY = "fs.automatic.close"; |
| public static final boolean FS_AUTOMATIC_CLOSE_DEFAULT = true; |
| public static final String FS_FILE_IMPL_KEY = "fs.file.impl"; |
| public static final String FS_FTP_HOST_KEY = "fs.ftp.host"; |
| public static final String FS_FTP_HOST_PORT_KEY = "fs.ftp.host.port"; |
| public static final String FS_TRASH_INTERVAL_KEY = "fs.trash.interval"; |
| public static final long FS_TRASH_INTERVAL_DEFAULT = 0; |
| |
| public static final String IO_MAPFILE_BLOOM_SIZE_KEY = "io.mapfile.bloom.size"; |
| public static final int IO_MAPFILE_BLOOM_SIZE_DEFAULT = 1024*1024; |
| public static final String IO_MAPFILE_BLOOM_ERROR_RATE_KEY = |
| "io.mapfile.bloom.error.rate" ; |
| public static final float IO_MAPFILE_BLOOM_ERROR_RATE_DEFAULT = 0.005f; |
| public static final String IO_COMPRESSION_CODEC_LZO_CLASS_KEY = "io.compression.codec.lzo.class"; |
| public static final String IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_KEY = |
| "io.compression.codec.lzo.buffersize"; |
| public static final int IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_DEFAULT = 64*1024; |
| public static final String IO_MAP_INDEX_INTERVAL_KEY = "io.map.index.interval"; |
| public static final int IO_MAP_INDEX_INTERVAL_DEFAULT = 128; |
| public static final String IO_MAP_INDEX_SKIP_KEY = "io.map.index.skip"; |
| public static final int IO_MAP_INDEX_SKIP_DEFAULT = 0; |
| public static final String IO_SEQFILE_COMPRESS_BLOCKSIZE_KEY = "io.seqfile.compress.blocksize"; |
| public static final int IO_SEQFILE_COMPRESS_BLOCKSIZE_DEFAULT = 1000000; |
| public static final String IO_SKIP_CHECKSUM_ERRORS_KEY = "io.skip.checksum.errors"; |
| public static final boolean IO_SKIP_CHECKSUM_ERRORS_DEFAULT = false; |
| public static final String IO_SORT_MB_KEY = "io.sort.mb"; |
| public static final int IO_SORT_MB_DEFAULT = 100; |
| public static final String IO_SORT_FACTOR_KEY = "io.sort.factor"; |
| public static final int IO_SORT_FACTOR_DEFAULT = 100; |
| public static final String IO_SERIALIZATIONS_KEY = "io.serializations"; |
| |
| public static final String TFILE_IO_CHUNK_SIZE_KEY = "tfile.io.chunk.size"; |
| public static final int TFILE_IO_CHUNK_SIZE_DEFAULT = 1024*1024; |
| public static final String TFILE_FS_INPUT_BUFFER_SIZE_KEY = "tfile.fs.input.buffer.size"; |
| public static final int TFILE_FS_INPUT_BUFFER_SIZE_DEFAULT = 256*1024; |
| public static final String TFILE_FS_OUTPUT_BUFFER_SIZE_KEY = "tfile.fs.output.buffer.size"; |
| public static final int TFILE_FS_OUTPUT_BUFFER_SIZE_DEFAULT = 256*1024; |
| |
| public static final String IPC_PING_INTERVAL_KEY = "ipc.ping.interval"; |
| public static final int IPC_PING_INTERVAL_DEFAULT = 60000; |
| public static final String IPC_CLIENT_PING_KEY = "ipc.client.ping"; |
| public static final boolean IPC_CLIENT_PING_DEFAULT = true; |
| public static final String IPC_CLIENT_CONNECTION_MAXIDLETIME_KEY = |
| "ipc.client.connection.maxidletime"; |
| public static final int IPC_CLIENT_CONNECTION_MAXIDLETIME_DEFAULT = 10000; |
| public static final String IPC_CLIENT_CONNECT_MAX_RETRIES_KEY = |
| "ipc.client.connect.max.retries"; |
| public static final int IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT = 10; |
| public static final String IPC_CLIENT_TCPNODELAY_KEY = "ipc.client.tcpnodelay"; |
| public static final boolean IPC_CLIENT_TCPNODELAY_DEFAULT = false; |
| public static final String IPC_SERVER_LISTEN_QUEUE_SIZE_KEY = |
| "ipc.server.listen.queue.size"; |
| public static final int IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT = 128; |
| public static final String IPC_CLIENT_KILL_MAX_KEY = "ipc.client.kill.max"; |
| public static final int IPC_CLIENT_KILL_MAX_DEFAULT = 10; |
| public static final String IPC_CLIENT_IDLETHRESHOLD_KEY = "ipc.client.idlethreshold"; |
| public static final int IPC_CLIENT_IDLETHRESHOLD_DEFAULT = 4000; |
| public static final String IPC_SERVER_TCPNODELAY_KEY = "ipc.server.tcpnodelay"; |
| public static final boolean IPC_SERVER_TCPNODELAY_DEFAULT = false; |
| public static final String IPC_SERVER_RPC_MAX_RESPONSE_SIZE_KEY = |
| "ipc.server.max.response.size"; |
| public static final int IPC_SERVER_RPC_MAX_RESPONSE_SIZE_DEFAULT = |
| 1024*1024; |
| public static final String IPC_SERVER_RPC_READ_THREADS_KEY = |
| "ipc.server.read.threadpool.size"; |
| public static final int IPC_SERVER_RPC_READ_THREADS_DEFAULT = 1; |
| /** |
| * How many calls per handler are allowed in the queue. |
| */ |
| public static final String IPC_SERVER_HANDLER_QUEUE_SIZE_KEY = |
| "ipc.server.handler.queue.size"; |
| /** |
| * The default number of calls per handler in the queue. |
| */ |
| public static final int IPC_SERVER_HANDLER_QUEUE_SIZE_DEFAULT = 100; |
| |
| public static final String HADOOP_RPC_SOCKET_FACTORY_CLASS_DEFAULT_KEY = |
| "hadoop.rpc.socket.factory.class.default"; |
| public static final String HADOOP_SOCKS_SERVER_KEY = "hadoop.socks.server"; |
| public static final String HADOOP_JOB_UGI_KEY = "hadoop.job.ugi"; |
| public static final String HADOOP_UTIL_HASH_TYPE_KEY = "hadoop.util.hash.type"; |
| public static final String HADOOP_UTIL_HASH_TYPE_DEFAULT = "murmur"; |
| public static final String HADOOP_SECURITY_GROUP_MAPPING = "hadoop.security.group.mapping"; |
| public static final String HADOOP_SECURITY_GROUPS_CACHE_SECS = "hadoop.security.groups.cache.secs"; |
| public static final String HADOOP_SECURITY_AUTHENTICATION = "hadoop.security.authentication"; |
| public static final String HADOOP_SECURITY_AUTHORIZATION = |
| "hadoop.security.authorization"; |
| } |
| |
