| /** |
| * 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; |
| import org.apache.hadoop.http.lib.StaticUserWebFilter; |
| import org.apache.hadoop.security.authorize.Service; |
| |
| /** |
| * This class contains constants for configuration keys used |
| * in the common code. |
| * |
| * It inherits all the publicly documented configuration keys |
| * and adds unsupported keys. |
| * |
| */ |
| |
| @InterfaceAudience.Private |
| @InterfaceStability.Unstable |
| public class CommonConfigurationKeys extends CommonConfigurationKeysPublic { |
| |
| /** Default location for user home directories */ |
| public static final String FS_HOME_DIR_KEY = "fs.homeDir"; |
| /** Default value for FS_HOME_DIR_KEY */ |
| public static final String FS_HOME_DIR_DEFAULT = "/user"; |
| /** Default umask for files created in HDFS */ |
| public static final String FS_PERMISSIONS_UMASK_KEY = |
| "fs.permissions.umask-mode"; |
| /** Default value for FS_PERMISSIONS_UMASK_KEY */ |
| public static final int FS_PERMISSIONS_UMASK_DEFAULT = 0022; |
| /** How often does RPC client send pings to RPC server */ |
| public static final String IPC_PING_INTERVAL_KEY = "ipc.ping.interval"; |
| /** Default value for IPC_PING_INTERVAL_KEY */ |
| public static final int IPC_PING_INTERVAL_DEFAULT = 60000; // 1 min |
| /** Enables pings from RPC client to the server */ |
| public static final String IPC_CLIENT_PING_KEY = "ipc.client.ping"; |
| /** Default value of IPC_CLIENT_PING_KEY */ |
| public static final boolean IPC_CLIENT_PING_DEFAULT = true; |
| /** Responses larger than this will be logged */ |
| public static final String IPC_SERVER_RPC_MAX_RESPONSE_SIZE_KEY = |
| "ipc.server.max.response.size"; |
| /** Default value for IPC_SERVER_RPC_MAX_RESPONSE_SIZE_KEY */ |
| public static final int IPC_SERVER_RPC_MAX_RESPONSE_SIZE_DEFAULT = |
| 1024*1024; |
| /** Number of threads in RPC server reading from the socket */ |
| public static final String IPC_SERVER_RPC_READ_THREADS_KEY = |
| "ipc.server.read.threadpool.size"; |
| /** Default value for IPC_SERVER_RPC_READ_THREADS_KEY */ |
| 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"; |
| /** Default value for IPC_SERVER_HANDLER_QUEUE_SIZE_KEY */ |
| public static final int IPC_SERVER_HANDLER_QUEUE_SIZE_DEFAULT = 100; |
| |
| /** Internal buffer size for Lzo compressor/decompressors */ |
| public static final String IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_KEY = |
| "io.compression.codec.lzo.buffersize"; |
| /** Default value for IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_KEY */ |
| public static final int IO_COMPRESSION_CODEC_LZO_BUFFERSIZE_DEFAULT = |
| 64*1024; |
| /** This is for specifying the implementation for the mappings from |
| * hostnames to the racks they belong to |
| */ |
| public static final String NET_TOPOLOGY_CONFIGURED_NODE_MAPPING_KEY = |
| "net.topology.configured.node.mapping"; |
| |
| /** Internal buffer size for Snappy compressor/decompressors */ |
| public static final String IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEY = |
| "io.compression.codec.snappy.buffersize"; |
| |
| /** Default value for IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEY */ |
| public static final int IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_DEFAULT = |
| 256 * 1024; |
| |
| /** Internal buffer size for Snappy compressor/decompressors */ |
| public static final String IO_COMPRESSION_CODEC_LZ4_BUFFERSIZE_KEY = |
| "io.compression.codec.lz4.buffersize"; |
| |
| /** Default value for IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEY */ |
| public static final int IO_COMPRESSION_CODEC_LZ4_BUFFERSIZE_DEFAULT = |
| 256 * 1024; |
| |
| /** |
| * Service Authorization |
| */ |
| public static final String |
| HADOOP_SECURITY_SERVICE_AUTHORIZATION_REFRESH_POLICY = |
| "security.refresh.policy.protocol.acl"; |
| public static final String |
| HADOOP_SECURITY_SERVICE_AUTHORIZATION_GET_USER_MAPPINGS = |
| "security.get.user.mappings.protocol.acl"; |
| public static final String |
| HADOOP_SECURITY_SERVICE_AUTHORIZATION_REFRESH_USER_MAPPINGS = |
| "security.refresh.user.mappings.protocol.acl"; |
| public static final String |
| SECURITY_HA_SERVICE_PROTOCOL_ACL = "security.ha.service.protocol.acl"; |
| public static final String |
| SECURITY_ZKFC_PROTOCOL_ACL = "security.zkfc.protocol.acl"; |
| public static final String |
| SECURITY_CLIENT_PROTOCOL_ACL = "security.client.protocol.acl"; |
| public static final String SECURITY_CLIENT_DATANODE_PROTOCOL_ACL = |
| "security.client.datanode.protocol.acl"; |
| public static final String |
| SECURITY_DATANODE_PROTOCOL_ACL = "security.datanode.protocol.acl"; |
| public static final String |
| SECURITY_INTER_DATANODE_PROTOCOL_ACL = "security.inter.datanode.protocol.acl"; |
| public static final String |
| SECURITY_NAMENODE_PROTOCOL_ACL = "security.namenode.protocol.acl"; |
| public static final String SECURITY_QJOURNAL_SERVICE_PROTOCOL_ACL = |
| "security.qjournal.service.protocol.acl"; |
| public static final String HADOOP_SECURITY_TOKEN_SERVICE_USE_IP = |
| "hadoop.security.token.service.use_ip"; |
| public static final boolean HADOOP_SECURITY_TOKEN_SERVICE_USE_IP_DEFAULT = |
| true; |
| |
| /** |
| * HA health monitor and failover controller. |
| */ |
| |
| /** How often to retry connecting to the service. */ |
| public static final String HA_HM_CONNECT_RETRY_INTERVAL_KEY = |
| "ha.health-monitor.connect-retry-interval.ms"; |
| public static final long HA_HM_CONNECT_RETRY_INTERVAL_DEFAULT = 1000; |
| |
| /* How often to check the service. */ |
| public static final String HA_HM_CHECK_INTERVAL_KEY = |
| "ha.health-monitor.check-interval.ms"; |
| public static final long HA_HM_CHECK_INTERVAL_DEFAULT = 1000; |
| |
| /* How long to sleep after an unexpected RPC error. */ |
| public static final String HA_HM_SLEEP_AFTER_DISCONNECT_KEY = |
| "ha.health-monitor.sleep-after-disconnect.ms"; |
| public static final long HA_HM_SLEEP_AFTER_DISCONNECT_DEFAULT = 1000; |
| |
| /* Timeout for the actual monitorHealth() calls. */ |
| public static final String HA_HM_RPC_TIMEOUT_KEY = |
| "ha.health-monitor.rpc-timeout.ms"; |
| public static final int HA_HM_RPC_TIMEOUT_DEFAULT = 45000; |
| |
| /* Timeout that the FC waits for the new active to become active */ |
| public static final String HA_FC_NEW_ACTIVE_TIMEOUT_KEY = |
| "ha.failover-controller.new-active.rpc-timeout.ms"; |
| public static final int HA_FC_NEW_ACTIVE_TIMEOUT_DEFAULT = 60000; |
| |
| /* Timeout that the FC waits for the old active to go to standby */ |
| public static final String HA_FC_GRACEFUL_FENCE_TIMEOUT_KEY = |
| "ha.failover-controller.graceful-fence.rpc-timeout.ms"; |
| public static final int HA_FC_GRACEFUL_FENCE_TIMEOUT_DEFAULT = 5000; |
| |
| /* FC connection retries for graceful fencing */ |
| public static final String HA_FC_GRACEFUL_FENCE_CONNECTION_RETRIES = |
| "ha.failover-controller.graceful-fence.connection.retries"; |
| public static final int HA_FC_GRACEFUL_FENCE_CONNECTION_RETRIES_DEFAULT = 1; |
| |
| /* Timeout that the CLI (manual) FC waits for monitorHealth, getServiceState */ |
| public static final String HA_FC_CLI_CHECK_TIMEOUT_KEY = |
| "ha.failover-controller.cli-check.rpc-timeout.ms"; |
| public static final int HA_FC_CLI_CHECK_TIMEOUT_DEFAULT = 20000; |
| |
| /** Static user web-filter properties. |
| * See {@link StaticUserWebFilter}. |
| */ |
| public static final String HADOOP_HTTP_STATIC_USER = |
| "hadoop.http.staticuser.user"; |
| public static final String DEFAULT_HADOOP_HTTP_STATIC_USER = |
| "dr.who"; |
| |
| /** Enable/Disable aliases serving from jetty */ |
| public static final String HADOOP_JETTY_LOGS_SERVE_ALIASES = |
| "hadoop.jetty.logs.serve.aliases"; |
| public static final boolean DEFAULT_HADOOP_JETTY_LOGS_SERVE_ALIASES = |
| true; |
| |
| /* Path to the Kerberos ticket cache. Setting this will force |
| * UserGroupInformation to use only this ticket cache file when creating a |
| * FileSystem instance. |
| */ |
| public static final String KERBEROS_TICKET_CACHE_PATH = |
| "hadoop.security.kerberos.ticket.cache.path"; |
| |
| public static final String HADOOP_SECURITY_UID_NAME_CACHE_TIMEOUT_KEY = |
| "hadoop.security.uid.cache.secs"; |
| |
| public static final long HADOOP_SECURITY_UID_NAME_CACHE_TIMEOUT_DEFAULT = |
| 4*60*60; // 4 hours |
| |
| } |
