hadoop FedBalanceConfigs 源码
haddop FedBalanceConfigs 代码
文件路径：/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/FedBalanceConfigs.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.tools.fedbalance;
import org.apache.hadoop.classification.InterfaceAudience;
/**
* Federation balance configuration properties.
*/
@InterfaceAudience.Private
public final class FedBalanceConfigs {
public static final String LAST_SNAPSHOT_NAME = "DISTCP-BALANCE-CURRENT";
public static final String CURRENT_SNAPSHOT_NAME = "DISTCP-BALANCE-NEXT";
/* Specify the behaviour of trash. */
public enum TrashOption {
TRASH, DELETE, SKIP
}
/* The worker threads number of the BalanceProcedureScheduler.
BalanceProcedureScheduler is responsible for scheduling a balance job,
including submit, run, delay and recover. */
public static final String WORK_THREAD_NUM =
"hdfs.fedbalance.procedure.work.thread.num";
public static final int WORK_THREAD_NUM_DEFAULT = 10;
/* The uri of the journal, the journal file is used for handling the job
persistence and recover. */
public static final String SCHEDULER_JOURNAL_URI =
"hdfs.fedbalance.procedure.scheduler.journal.uri";
public static final String JOB_PREFIX = "JOB-";
public static final String TMP_TAIL = ".tmp";
private FedBalanceConfigs(){}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
6、 golang
-
7、 openharmony