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From "Bowen Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-8322) support getting number of existing timers in TimerService
Date Wed, 27 Dec 2017 07:14:00 GMT

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

Bowen Li updated FLINK-8322:
----------------------------
    Description: 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  (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  )

> 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
>
>
> 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



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