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https://issues.apache.org/jira/browse/FLUME-2918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Simon updated FLUME-2918:
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Attachment: profiling_before.png
21% of thread time is spent on ReliableTaildirEventReader.getMatches() ->
File.listFiles() -> FileFilter.accept() -> File.isDirectory()
> TaildirSource is underperforming with huge parent directories
> -------------------------------------------------------------
>
> Key: FLUME-2918
> URL: https://issues.apache.org/jira/browse/FLUME-2918
> Project: Flume
> Issue Type: Improvement
> Components: Sinks+Sources
> Reporter: Attila Simon
> Labels: performance
> Fix For: v1.7.0
>
> Attachments: profiling_before.png
>
>
> TailDir source cause high cpu utilization, when large amount of file is
> sitting in the target directory. File pattern matches only a single file, but
> the parent directory contains about 50,000 other file.
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