March 2021
Intermediate to advanced
265 pages
6h 50m
Chinese
Content preview from Presto实战
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6
｜
第
1
章
分布式
对象存储
……
图 1-3：Presto 对多种数据源的 SQL 支持
对象存储系统包括
AmazonWeb Services
（
AWS
）提供的
Simple Storage Service
（
S3
）、
MicrosoftAzure Blob Storage
、
Google
Cloud Storage
和
S3
兼容的存储系统（如
MinIO
和
Ceph
）。
Presto
可以查询传统的
RDBMS
，如
Microsoft
SQL Server
、
PostgreSQL
、
MySQL
、
Oracle
、
T
eradata
和
Amazon Redshift
，还可以查询
NoSQL
数据库系统，如
Apache
Cassandra
、
Apache
Kafka
、
MongoDB
和
Elasticsearch
。
Presto
几乎可以查询任何东西，是
一个真正的
SQL-on-Anything
系统。
对于用户来说，这意味着他们在与特定系统内的数据进行交互时，无须再依赖特定的查询
语言和工具。他们可以简单地利用
Presto
和已有的
SQL
技能
，利用已经十分熟悉的基于
SQL
的数据分析
、仪表盘和报表工具，查询那些之前被锁定在分离系统中的数据。有了
Presto
，用户甚至可以执行跨越多个系统的
SQL
查询。
1.2.3
存储与计算分离
Presto
没有自己的存储，它只是在数据所在之处进行查询处理。使用
Presto
时，存储和计算
是分离的，它们可以各自独立地扩展。
Presto
代表计算层，底层的数据源代表存储层。
这使得
Presto
可以
基于对数据的分析需求来扩展和缩减计算资源。你无须移动数据或根 ...
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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.