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CONCEPT Cited by 1 source

Auto-Sizing Data Jobs

Definition

Auto-sizing in data movement refers to the ability of a processing engine to dynamically adjust resource consumption (executors, memory, parallelism) based on the source data's characteristics — removing the burden of manual tuning from engineering teams while ensuring optimal performance and cost efficiency.

Canonical example

Netflix's new Cassandra data-movement engine (Source: sources/2026-06-19-netflix-the-evolution-of-cassandra-data-movement-at-netflix):

  • Jobs introspect source table characteristics (partition count, data volume, skew) and adjust Spark resource allocation accordingly.
  • Eliminates manual sizing that was required with the legacy Casspactor system.

Seen in

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