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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
204
|
第
11
章
益于
Superset
的第一步。
SQL Lab
可以让你顺利过渡到
Superset
的真正功能:可视化数据。
Superset
所支持的可视化功能非常丰富
,你可以通过查看可视化图库(参见
Apache
Superset
网站)来感受一下
。你可以创建所有典型的可视化图形,包括数据点图、线图、
条形图或饼图等。然而,
Superset
的功能更加强大
,支持
3D
可视化、基于地图的数据分
析等。
一旦创建了必要的查询和可视化,你就可以将其组成一个仪表板,并与组织内的其他成员
分享。这让商业分析师和其他专家能够创建有用的数据聚合和可视化,并方便地将其暴露
给其他用户。
在
Superset
中使用
Presto
很简单
。在这两个系统都启动并运行后,你只需要在
Superset
中
将
Presto
配置成一个数据库即可。
将
Presto
和
Superset
连接起来之后
,建议把它慢慢地暴露给用户。
Superset
的简单性让用
户可以创建出强大但计算量超大并涉及大量数据集的查询,这对
Presto
集群
的规模和配置
有重大影响。在用户和使用场景方面逐步扩展使用量,可以让你随时跟踪集群的利用率,
并确保你可以根据新需求来扩展集群。
11.2
使用
RubiX
提高性能
当你扩展
Presto
以访问大型分布式存储系统并将其暴露给许多用户和工具时,对基础设施
的要求就会大大提高。计算性能需求可以通过扩展
Presto
集群本身来处理
,被查询的数据
源也可以进行调整,但即使引入和适配了这些优化,也会给你留下一个缺口——
Presto
和
数据之间的连接。
来自
Qubole ...
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Publisher Resources
ISBN: 9787115560056