Paul Done • 12/6/2021

Achieving At Least An Order Of Magnitude Aggregation Performance Improvement By Scaling & Parallelism

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The article details an experiment to improve MongoDB aggregation performance by an order of magnitude. It revisits an old project, testing how splitting a full-collection-scan aggregation into parallel jobs across a sharded Atlas cluster reduces completion time. It covers the test setup, data, aggregation pipeline, and a custom Python tool for parallel execution.

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#performance #parallelism #mongodb
Achieving At Least An Order Of Magnitude Aggregation Performance Improvement By Scaling & Parallelism

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