March 2021
Intermediate to advanced
265 pages
6h 50m
Chinese
Content preview from Presto实战
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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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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.