hadoop DevicePlugin 源码
haddop DevicePlugin 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/api/deviceplugin/DevicePlugin.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.yarn.server.nodemanager.api.deviceplugin;
import java.util.Set;
/**
* A must interface for vendor plugin to implement.
* */
public interface DevicePlugin {
/**
* Called first when device plugin framework wants to register.
* @return DeviceRegisterRequest {@link DeviceRegisterRequest}
* @throws Exception
* */
DeviceRegisterRequest getRegisterRequestInfo()
throws Exception;
/**
* Called when update node resource.
* @return a set of {@link Device}, {@link java.util.TreeSet} recommended
* @throws Exception
* */
Set<Device> getDevices() throws Exception;
/**
* Asking how these devices should be prepared/used
* before/when container launch. A plugin can do some tasks in its own or
* define it in DeviceRuntimeSpec to let the framework do it.
* For instance, define {@code VolumeSpec} to let the
* framework to create volume before running container.
*
* @param allocatedDevices A set of allocated {@link Device}.
* @param yarnRuntime Indicate which runtime YARN will use
* Could be {@code RUNTIME_DEFAULT} or {@code RUNTIME_DOCKER}
* in {@link DeviceRuntimeSpec} constants. The default means YARN's
* non-docker container runtime is used. The docker means YARN's
* docker container runtime is used.
* @return a {@link DeviceRuntimeSpec} description about environment,
* {@link VolumeSpec}, {@link MountVolumeSpec}. etc
* @throws Exception
* */
DeviceRuntimeSpec onDevicesAllocated(Set<Device> allocatedDevices,
YarnRuntimeType yarnRuntime) throws Exception;
/**
* Called after device released.
* @param releasedDevices A set of released devices
* @throws Exception
* */
void onDevicesReleased(Set<Device> releasedDevices)
throws Exception;
}
相关信息
相关文章
hadoop DevicePluginScheduler 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony