我正在尝试构建一个应用程序，我需要偶尔读取另一个应用程序放置的文件，每天一次或两次。我必须创建一个 Spark ETL 来监听这个文件夹。收到文件后，读取文件，进行一些转换并将数据加载到数据库。 我如何实现这个项目的听力部分。我们应该为此使用 Spark 流吗？
我正在考虑 Spark Streaming，但看起来它更适合连续流式传输的东西。所以我很困惑。
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