[jira] [Updated] (FLINK-18357) ContinuousFileReaderOperator checkpoint timeout when files and directories get larger

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-18357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-18357:
-----------------------------------
    Labels: auto-deprioritized-major stale-minor  (was: auto-deprioritized-major)

I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help the community manage its development. I see this issues has been marked as Minor but is unassigned and neither itself nor its Sub-Tasks have been updated for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is still Minor, please either assign yourself or give an update. Afterwards, please remove the label or in 7 days the issue will be deprioritized.


> ContinuousFileReaderOperator checkpoint timeout when files and directories get larger
> -------------------------------------------------------------------------------------
>
>                 Key: FLINK-18357
>                 URL: https://issues.apache.org/jira/browse/FLINK-18357
>             Project: Flink
>          Issue Type: Improvement
>          Components: API / DataStream
>            Reporter: Jark Wu
>            Priority: Minor
>              Labels: auto-deprioritized-major, stale-minor
>
> This is reported from user-zh, I tranlsated it into this issue: http://apache-flink.147419.n8.nabble.com/env-readFile-td4017.html
> {{env.readFile(format,path, FileProcessingMode.PROCESS_CONTINUOUSLY, 60000)}}
> It monitors a directory of A, we will generate a new directory under A every day, such as:
> A/20200101/
> A/20200102/
> A/20200103/
> .......
> .......
> However, as time goes on, it has to monitor 200 directories and 500 files in each directory until June. Then everytime, the checkpoint has to synchronize offsets of 200*500 files which is very large and checkpoint gets timeout. 
> ========================================================
> My though is that is it possible to have a configuration, to mark a sub-directory as idle after a inactive interval, then we don't need to checkpoint all the file offsets under it. 



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