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
- Filecoin has completed a major upgrade and achieved four major project progress!
- How to play sortable JS vuedraggable to realize nested drag function of forms
- It's time for your financial report to change to a more advanced style -- financial analysis cockpit
- Summary of front-end interview questions (C, s, s) that front-end engineers need to understand (2)
- From overseas to China, rancher wants to do research on container cloud market
- ado.net和asp.net的关系
- An article taught you to use HTML5 SVG tags
- GUI engine evaluation index
- Flink's datasource Trilogy: direct API
- An article takes you to understand CSS gradient knowledge
猜你喜欢

An article will introduce you to HTML tables and their main attributes

How does filecoin's economic model and future value support the price of fil currency breaking through thousands

Take you to learn the new methods in Es5

Even liver three all night, jvm77 high frequency interview questions detailed analysis, this?

Flink's datasource Trilogy: direct API

Zero basis to build a web search engine of its own

行为型模式之解释器模式

统计项目代码行数

代码重构之法——方法重构分析

Using an example to understand the underlying processing mechanism of JS function
随机推荐
Zero basis to build a web search engine of its own
【转发】查看lua中userdata的方法
Application of restful API based on MVC
PHP application docking justswap special development kit【 JustSwap.PHP ]
An article will take you to understand CSS alignment
mongo 用户权限 登录指令
MongoDB与SQL常用语法对应表
消息队列(MessageQueue)-分析
GUI engine evaluation index
嘉宾专访|2020 PostgreSQL亚洲大会阿里云数据库专场:曾文旌
hdu3974 Assign the task線段樹 dfs序
意派Epub360丨你想要的H5模板都在这里,电子书、大转盘、红包雨、问卷调查……
EOS founder BM: what's the difference between UE, UBI and URI?
How much disk space does a file of 1 byte actually occupy
Asp.Net Core learning notes: Introduction
An article will introduce you to HTML tables and their main attributes
An article will take you to understand CSS3 fillet knowledge
Elasticsearch database | elasticsearch-7.5.0 application construction
2020-09-09:裸写算法:两个线程轮流打印数字1-100。
Behind the first lane level navigation in the industry