[ 
https://issues.apache.org/jira/browse/FLINK-8322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Bowen Li updated FLINK-8322:
----------------------------
    Description: There are pretty common use cases where users want to use 
timers as scheduled threads - e.g. add a timer to wake up x hours later and do 
something (reap old data usually) only if there's no existing timers, basically 
we only want at most 1 timer exists for the key all the time  (was: We have the 
use cases where we want to use timers as scheduled threads - e.g. add a timer 
to wake up x hours later and do something (reap old data usualy) only if 
there's no existing timers, basically we only want at most 1 timer exists for 
the key all the time)

> support getting number of existing timers in TimerService
> ---------------------------------------------------------
>
>                 Key: FLINK-8322
>                 URL: https://issues.apache.org/jira/browse/FLINK-8322
>             Project: Flink
>          Issue Type: Improvement
>          Components: DataStream API
>    Affects Versions: 1.4.0
>            Reporter: Bowen Li
>            Assignee: Bowen Li
>             Fix For: 1.5.0
>
>
> There are pretty common use cases where users want to use timers as scheduled 
> threads - e.g. add a timer to wake up x hours later and do something (reap 
> old data usually) only if there's no existing timers, basically we only want 
> at most 1 timer exists for the key all the time



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

Reply via email to