July 2023
Intermediate to advanced
278 pages
5h 40m
Chinese
Content preview from Trino 权威指南：原书第2版
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222
|
第
11
章
线图、条形图或饼图等。此外，
Superset
还支持
3D
可视化、基于地图的数据分析等更
强大的功能。
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
Trino
很简单。在这两个系统都启动并运行后，你只需要在
Superset
中将
Trino
配置成一个数据库即可。
将
Trino
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
用户可以创建强大但计算量超大并涉及大型数据集的查询，这对
Trino
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
Trino
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
施的要求会大大提高。计算性能需求可以通过扩展
Trino
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
—
Trino
和数据之间的连接。
RubiX
（
https://github.com/qubole/rubix
）是来自
Qubole
的轻量级数据缓存框架，它可以
作为缓存层放在
Trino
计算资源和数据源之间。它支持磁盘缓存和内存缓存。在查询分
布式存储系统时，因为避免了数据传输和对底层数据源的重复查询，所以使用这个开源
平台可以提升性能并降低成本。 ...
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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.