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  1. Hive
  2. HIVE-26255

Drop custom code for String deduplication inside URI class

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Details

    • Improvement
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • None
    • None
    • None
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    Description

      We have class https://github.com/apache/hive/blob/master/common/src/java/org/apache/hadoop/hive/common/StringInternUtils.java to do String.intern() inside the URI class via reflection.

      Instead, we can recommend using newer java and enabling String deduplication 

      https://localcoder.org/is-string-deduplication-feature-of-the-g1-garbage-collector-enabled-by-default

      -XX:+UseG1GC -XX:+UseStringDeduplication

       

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          is related to

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-22415 Upgrade to Java 11

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

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              Unassigned Unassigned
              slachiewicz Sylwester Lachiewicz
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              Dates

                Created:
                Updated: