/**
* 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";
}