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Performance: Lookup Join Dictionary Encoded Blocks optimization #137270

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Performance: Lookup Join Dictionary Encoded Blocks optimization#137270
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:Analytics/ES|QLAKA ESQL>enhancementTeam:AnalyticsMeta label for analytical engine team (ESQL/Aggs/Geo)
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julian-elastic
opened on Oct 28, 2025

Description

Optimization: Dictionary Encoded Blocks optimization

  • Performance Improvement: 2-10x (data dependent, the more repetition in the data, the bigger the speed up)
  • Applicability: Should help with joins on a single keyword field, when there are enough repeats that Dictionary Encoded Block is needed.

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    :Analytics/ES|QLAKA ESQL>enhancementTeam:AnalyticsMeta label for analytical engine team (ESQL/Aggs/Geo)

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