Apache Flink 中文用户邮件列表
Login
Register
Search
everywhere
only in this topic
Advanced Search
双流在时间窗口join的问题
Classic
List
Threaded
♦
♦
Locked
1 message
Options
Loading...
Subscribe via email
Move topic
Pin topic
Unpin topic
Lock topic
Unlock topic
Delete this topic
Delete this topic
Change title and meta tags
Embed post
Permalink
646208563
Reply
|
Threaded
Open this post in threaded view
♦
♦
|
More
Loading...
Reply to author
Edit post
Move post
Delete this post
Delete this post and replies
Change post date
Print post
Permalink
Raw mail
Jul 19, 2019; 7:33am
双流在时间窗口join的问题
2 posts
hi~最近在做一个双流join的需求,由于流中数据不稳定,定义了一个2个小时触发一次的翻滚窗口。但是,这样带来的问题是,state要积攒2个小时的数据,才去触发连接,并输出结果。
我想的是,有没有办法实现,2个小时中,只要有join成功的数据就输出,只有join不到的数据才会存在state中等待。等到2个小时一到,就移除windows。请问大家有实现过这种需求么,或者大家还有别的解决的思路,或者我理解的本身就不对,请大家多多指教。
Free forum by Nabble
Edit this page