hadoop IdMappingConstant 源码
haddop IdMappingConstant 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/IdMappingConstant.java
/**
* 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.security;
/**
* Some constants for IdMapping
*/
public class IdMappingConstant {
/** Do user/group update every 15 minutes by default, minimum 1 minute */
public final static String USERGROUPID_UPDATE_MILLIS_KEY = "usergroupid.update.millis";
public final static long USERGROUPID_UPDATE_MILLIS_DEFAULT = 15 * 60 * 1000; // ms
public final static long USERGROUPID_UPDATE_MILLIS_MIN = 1 * 60 * 1000; // ms
public final static String UNKNOWN_USER = "nobody";
public final static String UNKNOWN_GROUP = "nobody";
// Used for finding the configured static mapping file.
public static final String STATIC_ID_MAPPING_FILE_KEY = "static.id.mapping.file";
public static final String STATIC_ID_MAPPING_FILE_DEFAULT = "/etc/nfs.map";
}
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