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O'Reilly Platform
book
Presto实战
by
Matt Fuller
,
Manfred Moser
,
Martin Traverso
March 2021
Intermediate to advanced
265 pages
6h 50m
Chinese
Posts & Telecom Press
Content preview from
Presto实战
将
Presto
与其他工具集成
|
205
11.3
使用
Apache
Airflow
的工作流
Apache
Airflow
是一个广泛使用的系统,用于以编程方式编写、调度和监控工作流。它专
注于数据流水线处理,在数据科学界得到了广泛的应用。它用
Python
实现
,能够编排并执
行用
Python
编写的复杂工作流,并且能够调用众多支持的系统,还可以执行
shell
脚本。
为了将
Presto
与
Airflow
集成起来
,你可以利用
Airflow
中的
Presto
钩子(
hook
),或在命
令行中运行
Presto
CLI
。
Airflow
支持
Presto
之外的许多数据源,因此你既可以在
Presto
之
外准备数据,之后通过
Presto
来消费数据
,又可以通过
Presto
来访问和处理数据,以利用
其高性能、可扩展性和集成众多数据源的特性。
整合
Airflow
和
Presto
的
目标通常是对源数据进行处理,最终得到一个高质量的数据集,
可以为应用程序和机器学习模型所用。一旦由
Airflow
编排并由
Presto
或其他集成的组件
执行的工作流程产生了所需的数据集,就可以用
Presto
来访问这些数据
,并通过报告和仪
表板向用户展示这些数据,这部分可以使用
ApacheSuperset
,参见
1
1.1
节。
11.4
嵌入式
Presto
示例
:
Amazon
Athena
Amazon Athena
是一个查询服务,可用于直接对存储在
Amazon
S3
中的任何大小的数据
文件执行
SQL
查
询。
Athena
是一个很好的应用程序例子,它将
Presto
作为查询引擎封装起
来,从而提供强大的功能和特性 ...
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Publisher Resources
ISBN: 9787115560056