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heibaiying merged 1 commit into from
May 11, 2020
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修改名称 #21

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修改名称 
修改名称
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刘帅 authored May 7, 2020
commit 325c2de07dde22613ea9ad03ff65364649eff8be
2 changes: 1 addition & 1 deletion notes/Spark简介.md
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Expand Up @@ -46,7 +46,7 @@ Apache Spark 具有以下特点：
**执行过程**：

1. 用户程序创建 SparkContext 后，它会连接到集群资源管理器，集群资源管理器会为用户程序分配计算资源，并启动 Executor；
2. Dirver 将计算程序划分为不同的执行阶段和多个 Task，之后将 Task 发送给 Executor；
2. Driver 将计算程序划分为不同的执行阶段和多个 Task，之后将 Task 发送给 Executor；
3. Executor 负责执行 Task，并将执行状态汇报给 Driver，同时也会将当前节点资源的使用情况汇报给集群资源管理器。

## 四、核心组件
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