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https://issues.apache.org/jira/browse/FLUME-2704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14559548#comment-14559548
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Phil Scala commented on FLUME-2704:
-----------------------------------

Thanks Somin, the idea seems reasonable to me, but just could you elaborate on 
the issue you were seeing that this fixes.  Where I am going is: while 500ms is 
fast for checking for new files, if you were seeing race conditions where the 
file was still being writen to when this timer realized there was a new file 
then you could still have this issue, just not as frequently.  We may need to 
focus on how the file was placed into the spool directory.

> Configurable poll delay for spooling directory source
> -----------------------------------------------------
>
>                 Key: FLUME-2704
>                 URL: https://issues.apache.org/jira/browse/FLUME-2704
>             Project: Flume
>          Issue Type: Improvement
>          Components: Sinks+Sources
>    Affects Versions: v1.5.2, 1.6
>            Reporter: Somin Mithraa
>            Priority: Minor
>              Labels: SpoolDir, pollDelay, sources
>         Attachments: FLUME-2704.patch
>
>
> SpoolDir source polls a directory for new files at specific interval. This 
> interval(or poll delay) is currently hardcoded as 500ms.
> 500ms may be too fast for some applications. This JIRA is to make this 
> property configurable.



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