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book
大数据项目管理:从规划到实现
by
Ted Malaska
,
Jonathan Seidman
January 2020
Beginner to intermediate
155 pages
3h 17m
Chinese
Posts & Telecom Press
Content preview from
大数据项目管理:从规划到实现
企业元数据
|
111
识别恶意活动
当你拥有数百万个数据源时(例如在物联网场景中),可能会有人想攻击你的系统。了解
数据源有助于想出解决方案来识别这些不良分子,并将它们与真实的数据源分开处理。
了解关系
假设你正在监控硬件和查看故障影响。在这个时候,需要知道服务器与机架和交换机之
间的关系元数据以及位置元数据。这也适用于物联网场景,比如在汽车、飞机等大型系
统中,从多个传感器获取输入。
6.2.4
有关数据处理的元数据
系统中的数据处理操作各式各样,从简单的
SQL
查询到高级的
Apache Spark
作业、机器
学习,等等。此外,由于处理技术的多样性,很难知道哪些元数据正在使用以及用于什么
目的。至少需要确保得到了基本的信息,从而为构建系统奠定基础。
访问
谁在访问特定的数据?
频率
访问数据的频率是怎样的?
输出
数据是发送到系统之外还是发送到系统中的另一个数据表中?
使用的技术
一些技术会留下清晰的审计线索,例如
SQL
,但其他技术可能很难追踪,例如
Apache
Spark
作业。
Spark
作业的逻辑隐藏在
Java/Scala/Python
代码中,很难用审计工具来解释。
请注意,捕获这些元数据对于生成实际、可操作输出结果的生产作业来说更为重要。一方
面,对于那些用于测试、研究等场景的作业,需要确定元数据的合理捕获量。另一方面,
GDPR
等法规不区分生产环境和开发环境,因此在规划时需要牢记这一点。
对于生产作业,可以考虑提供源代码的访问权限。例如,把代码放在公司的
GitHub
仓库
中,这样就可以对代码进行评审。 ...
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Publisher Resources
ISBN: 9787115457363