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  1. Hadoop HDFS
  2. HDFS-10568

Reuse ObjectMapper instance in CombinedHostsFileReader and CombinedHostsFileWriter

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.9.0, 3.0.0-alpha1
    • hdfs-client
    • None
    • Reviewed

    Description

      The ObjectMapper instance is not reused in class CombinedHostsFileReader and CombinedHostsFileWriter. We can reuse them to improve performance.

      Here are related issues: HDFS-9724, HDFS-9768.

      Attachments

        1. HDFS-10568.001.patch
          3 kB
          Yiqun Lin
        2. HDFS-10568.002.patch
          3 kB
          Yiqun Lin

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-9724 Degraded performance in WebHDFS listing as it does not reuse ObjectMapper

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-9768 Reuse objectMapper instance in HDFS to improve the performance

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              linyiqun Yiqun Lin
              linyiqun Yiqun Lin
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              Dates

                Created:
                Updated:
                Resolved: