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  1. IMPALA
  2. IMPALA-10075

Reuse existing instances of unchanged partitions in REFRESH

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Details

    • Improvement
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • None
    • Impala 4.0.0
    • Catalog
    • None

    Description

      It's revealed by IMPALA-3127 that REFRESH will always update all partition instances (at least after IMPALA-9778). We should check if the new partition instance is the same as the original one, and only update them when needs. This reduce unneccessary catalog updates.

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            stigahuang Quanlong Huang
            stigahuang Quanlong Huang
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              Updated:
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