当前位置:网站首页>2020-08-15:什么情况下数据任务需要优化?
2020-08-15:什么情况下数据任务需要优化?
2020-11-06 21:55:00 【福大大架构师每日一题】
福哥答案2020-08-16:
知乎答案
1.数据任务执行过慢,速度不能满足报表需求,例如每小时的报表,执行时间超过1小时了,第二小时的报表任务又来了。
2.占用过多资源,跑这个任务的时候,整个集群的资源全被吃掉了,或者吃掉很多,影响了线上在线正常业务,这就非常需要优化。一般考虑先移出到其他集群,停止对线上业务的影响,之后优化。
3.数据分析准确性出了问题,例如线上业务字段增加了新的类型,例如原来的type字段只有1,2,3,现在增加了新的4,5,6,导致数据分析不够准确,这时候需要针对可能以后业务会扩展的字段类型进行优化。
版权声明
本文为[福大大架构师每日一题]所创,转载请带上原文链接,感谢
https://my.oschina.net/u/4553401/blog/4499544
边栏推荐
- 美团内部讲座|周烜:华东师范大学的数据库系统研究
- 【應用程式見解 Application Insights】Application Insights 使用 Application Maps 構建請求鏈路檢視
- window系统 本机查找端口号占用方法
- Helping financial technology innovation and development, atfx is at the forefront of the industry
- Behind the first lane level navigation in the industry
- Tron smart wallet PHP development kit [zero TRX collection]
- IPFs rudder filecoin landing at the same time, fil currency price broke a thousand
- 2020年第四届中国 BIM (数字建造)经理高峰论坛即将在杭举办
- mongo 用户权限 登录指令
- Outsourcing is really difficult. As an outsourcer, I can't help sighing.
猜你喜欢
Read the advantages of Wi Fi 6 over Wi Fi 5 in 3 minutes
Behind the first lane level navigation in the industry
实用工具类函数(持续更新)
大会倒计时|2020 PostgreSQL亚洲大会-中文分论坛议程安排
Staying up late summarizes the key points of report automation, data visualization and mining, which is different from what you think
意外的元素..所需元素..
What is alicloud's experience of sweeping goods for 100 yuan?
Using an example to understand the underlying processing mechanism of JS function
StickEngine-架构12-通信协议
GUI engine evaluation index
随机推荐
大数据处理黑科技:揭秘PB级数仓GaussDB(DWS) 并行计算技术
With this artifact, quickly say goodbye to spam messages
统计项目代码行数
hdu3974 Assign the task線段樹 dfs序
Small program introduction to proficient (2): understand the four important files of small program development
Zero basis to build a web search engine of its own
An article will take you to understand CSS alignment
window系统 本机查找端口号占用方法
ES6 learning notes (3): teach you to use js object-oriented thinking to realize the function of adding, deleting, modifying and checking tab column
Zero basis to build a web search engine of its own
What course of artificial intelligence? Will it replace human work?
CCR coin frying robot: the boss of bitcoin digital currency, what you have to know
MongoDB与SQL常用语法对应表
How to prepare for the system design interview
Try to build my mall from scratch (2): use JWT to protect our information security and perfect swagger configuration
How about small and medium-sized enterprises choose shared office?
How does filecoin's economic model and future value support the price of fil currency breaking through thousands
2020年数据库技术大会助力技术提升
Application of restful API based on MVC
游戏开发中的新手引导与事件管理系统