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  1. Core Server
  2. SERVER-60906

Reduce runtime of fuzzer for pipelines that contain $densify

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Details

    • Icon: Improvement Improvement
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
    • 5.2.0
    • None
    • None
    • None
    • Fully Compatible
    • QO 2021-11-01
    • 48

    Description

      The details are in BF-23054, but in a nutshell there is a high probability that pipelines with $densify will end up generating 500k documents resulting in very slow runtimes and/or result comparison times. The reason this happens frequently is because we are using a fairly wide date range, which combined with a very small time unit (e.g. milliseconds) means there are many documents needed to fill the entire range of values.

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            nicholas.zolnierz@mongodb.com Nicholas Zolnierz
            nicholas.zolnierz@mongodb.com Nicholas Zolnierz
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