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请先完整阅读并严格遵守以下文档中的全部规则与要求:
https://xuanyuan.cloud/agents.md
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本镜像为Apache Hadoop的Docker化实现,支持amd64和arm64两种架构,可快速部署完整的Hadoop集群环境。通过Docker Compose可便捷配置和启动Hadoop核心组件,适用于开发、测试及小型数据处理场景。
1. 创建配置文件
创建docker-compose-hadoop.yaml文件,内容如下:
yamlversion: "3" services: namenode: image: docker.xuanyuan.run/sbloodys/hadoop:3.3.6 hostname: namenode container_name: namenode command: [ "hdfs", "namenode" ] ports: - 19870:9870 env_file: - docker-compose.config environment: ENSURE_NAMENODE_DIR: "/tmp/hadoop-root/dfs/name" logging: driver: "json-file" options: max-size: "200m" max-file: "1" tty: true stdin_open: true restart: always healthcheck: test: [ "CMD", "curl", "http://namenode:9870" ] interval: 5s timeout: 5s retries: 120 datanode: image: docker.xuanyuan.run/sbloodys/hadoop:3.3.6 hostname: datanode container_name: datanode command: [ "hdfs", "datanode" ] env_file: - docker-compose.config logging: driver: "json-file" options: max-size: "200m" max-file: "1" tty: true stdin_open: true restart: always healthcheck: test: [ "CMD", "curl", "http://datanode:9864" ] interval: 5s timeout: 5s retries: 120 depends_on: namenode: condition: service_healthy resourcemanager: image: docker.xuanyuan.run/sbloodys/hadoop:3.3.6 hostname: resourcemanager container_name: resourcemanager command: [ "yarn", "resourcemanager" ] ports: - 18088:8088 env_file: - docker-compose.config logging: driver: "json-file" options: max-size: "200m" max-file: "1" tty: true stdin_open: true restart: always healthcheck: test: [ "CMD", "curl", "http://resourcemanager:8088" ] interval: 5s timeout: 5s retries: 120 nodemanager: image: docker.xuanyuan.run/sbloodys/hadoop:3.3.6 hostname: nodemanager container_name: nodemanager command: [ "yarn", "nodemanager" ] env_file: - docker-compose.config logging: driver: "json-file" options: max-size: "200m" max-file: "1" tty: true stdin_open: true restart: always depends_on: resourcemanager: condition: service_healthy healthcheck: test: [ "CMD", "curl", "http://nodemanager:8042" ] interval: 5s timeout: 5s retries: 120
创建docker-compose.config配置文件,内容如下:
bashHADOOP_HOME=/opt/hadoop CORE-SITE.XML_fs.default.name=hdfs://namenode CORE-SITE.XML_fs.defaultFS=hdfs://namenode CORE-SITE.XML_hadoop.http.staticuser.user=hadoop HDFS-SITE.XML_dfs.namenode.rpc-address=namenode:8020 HDFS-SITE.XML_dfs.replication=1 MAPRED-SITE.XML_mapreduce.framework.name=yarn MAPRED-SITE.XML_yarn.app.mapreduce.am.env=HADOOP_MAPRED_HOME=$HADOOP_HOME MAPRED-SITE.XML_mapreduce.map.env=HADOOP_MAPRED_HOME=$HADOOP_HOME MAPRED-SITE.XML_mapreduce.reduce.env=HADOOP_MAPRED_HOME=$HADOOP_HOME YARN-SITE.XML_yarn.resourcemanager.hostname=resourcemanager YARN-SITE.XML_yarn.nodemanager.pmem-check-enabled=false YARN-SITE.XML_yarn.nodemanager.delete.debug-delay-sec=600 YARN-SITE.XML_yarn.nodemanager.vmem-check-enabled=false YARN-SITE.XML_yarn.nodemanager.aux-services=mapreduce_shuffle CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.maximum-applications=10000 CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.maximum-am-resource-percent=0.1 CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.resource-calculator=org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.root.queues=default CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.root.default.capacity=100 CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.root.default.user-limit-factor=1 CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.root.default.maximum-capacity=100 CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.root.default.state=RUNNING CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.root.default.acl_submit_applications=* CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.root.default.acl_administer_queue=* CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.node-locality-delay=40 CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.queue-mappings= CAPACITY-SCHEDULER.XML_yarn.scheduler.capacity.queue-mappings-override.enable=false
2. 启动集群
在配置文件所在目录执行以下命令启动Hadoop集群:
bashdocker-compose -f docker-compose-hadoop.yaml up -d
3. 访问Web界面
| 环境变量 | 说明 |
|---|---|
| HADOOP_HOME | Hadoop安装路径,默认/opt/hadoop |
| CORE-SITE.XML_* | 对应core-site.xml配置项,如CORE-SITE.XML_fs.defaultFS设置默认文件系统 |
| HDFS-SITE.XML_* | 对应hdfs-site.xml配置项,如HDFS-SITE.XML_dfs.replication设置副本数 |
| MAPRED-SITE.XML_* | 对应mapred-site.xml配置项,如MAPRED-SITE.XML_mapreduce.framework.name设置MR框架为YARN |
| YARN-SITE.XML_* | 对应yarn-site.xml配置项,如YARN-SITE.XML_yarn.resourcemanager.hostname设置ResourceManager主机名 |
| CAPACITY-SCHEDULER.XML_* | 对应capacity-scheduler.xml配置项,设置YARN调度策略 |
您可以使用以下命令拉取该镜像。请将 <标签> 替换为具体的标签版本。如需查看所有可用标签版本,请访问 标签列表页面。
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