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  1. Flume
  2. FLUME-2918

TaildirSource is underperforming with huge parent directories

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 1.6.0
    • 1.7.0
    • Sinks+Sources
    • introduced an option in flume configuration for TAILDIR source to cache pattern matched files for huge directories
    • Patch

    Description

      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.

      Attachments

        1. FLUME-2918-2.patch
          31 kB
          Attila Simon
        2. PerfHugeDir.java
          6 kB
          Attila Simon
        3. perftest.png
          311 kB
          Attila Simon
        4. profiling_after.png
          183 kB
          Attila Simon
        5. profiling_before.png
          515 kB
          Attila Simon
        6. test.csv
          18 kB
          Attila Simon

        Issue Links

        relates to

        Documentation - Documentation or Website FLUME-2934 Document new cachePatternMatching option for TaildirSource

        • Major - Major loss of function.
        • Resolved
        links to

        Web Link Code review

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            sati Attila Simon
            sati Attila Simon
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            Dates

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              Updated:
              Resolved:

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