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https://issues.apache.org/jira/browse/FLUME-2309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13949009#comment-13949009
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Hari Shreedharan commented on FLUME-2309:
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I like the oldest/newest first implementation without sorting.
Yes, we should probably remove the IOFileFilter and the iterator - seems a bit
confusing. Oh, yes, I remember now (it was the whole point of the jira) that
default was oldest first.
> Spooling directory should not always consume the oldest file first.
> -------------------------------------------------------------------
>
> Key: FLUME-2309
> URL: https://issues.apache.org/jira/browse/FLUME-2309
> Project: Flume
> Issue Type: New Feature
> Affects Versions: v1.4.0
> Reporter: Muhammad Ehsan ul Haque
> Priority: Minor
> Labels: feature, patch
> Fix For: v1.4.0
>
> Attachments: FLUME-2309-0.patch, FLUME-2309-0.patch
>
>
> The ReliableSpoolingFileEventReader reads the oldest file in the spooling
> directory first. This is done by listing the directory contents and then
> sorting file list based on timestamp. This may be very slow if there are a
> lot of files (of the order of 100K or more) in the directory.
> However, this is not always needed, there can be simple cases in which the
> order to consume the file is not important.
> There should be an option of consuming the files in arbitrary order, allowing
> the files to be consumed quickly without any delay.
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