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Merge pull request heibaiying#21 from LSloveYJ/patch-1
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heibaiying authored May 11, 2020
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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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