2023-10-22 05:13:53 +00:00
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# 作业提交流程
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![pic](https://pan.zeekling.cn/zeekling/hadoop/hadoop_namenode_00002.png)
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# Yarn 调度器
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## 先进先出调度器
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## 容量调度器
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![pic](https://pan.zeekling.cn/zeekling/hadoop/yarn_00002.png)
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### 分配算法
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![pic](https://pan.zeekling.cn/zeekling/hadoop/yarn_00001.png)
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## 公平调度器
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### 调度原理
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![pic](https://pan.zeekling.cn/zeekling/hadoop/yarn_00003.png)
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#### 缺额
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![pic](https://pan.zeekling.cn/zeekling/hadoop/yarn_00004.png)
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#### 资源分配方式
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![pic](https://pan.zeekling.cn/zeekling/hadoop/yarn_00005.png)
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样例 :
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![pic](https://pan.zeekling.cn/zeekling/hadoop/yarn_00006.png)
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DRF策略
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![pic](https://pan.zeekling.cn/zeekling/hadoop/yarn_00007.png)
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2023-10-22 08:56:59 +00:00
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# 核心参数配置
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![pic](https://pan.zeekling.cn/zeekling/hadoop/yarn_00008.png)
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