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  1. IMPALA
  2. IMPALA-7540

Intern common strings in catalog

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • Impala 3.1.0
    • Impala 3.2.0
    • None
    • None
    • ghx-label-2

    Description

      Using jxray shows that there are many common duplicate strings in the catalog. For example, each table repeats the database name, and metadata like the HMS parameter maps reuse a lot of common strings like "EXTERNAL" or "transient_lastDdlTime". We should intern these to save memory.

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            tlipcon Todd Lipcon
            tlipcon Todd Lipcon
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