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  1. Core Server
  2. SERVER-37080

Implement tuneable batch size for chunk migrations

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Details

    • Improvement
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • 3.4.17, 3.6.8, 4.0.2
    • 3.4.18, 3.6.10, 4.0.5, 4.1.6
    • Sharding
    • None
    • Fully Compatible
    • v4.0, v3.6, v3.4
    • Sharding 2018-09-24, Sharding 2018-10-08, Sharding 2018-10-22, Sharding 2018-11-05, Sharding 2018-11-19, Sharding 2018-12-03

    Description

      SERVER-27725 implemented batch inserts for chunk migrations, but for some workloads inserting a ~16MB batch can impact secondary read performance. This ticket would be to implement a tuneable parameter to control how many documents were inserted using the batch insert rather than inserting the entire batch at once.

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              kevin.pulo@mongodb.com Kevin Pulo
              james.kovacs@mongodb.com James Kovacs
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                Created:
                Updated:
                Resolved: