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  1. Core Server
  2. SERVER-37080

Implement tuneable batch size for chunk migrations

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: 3.4.17, 3.6.8, 4.0.2
    • Fix Version/s: 3.4.18, 3.6.10, 4.0.5, 4.1.6
    • Component/s: Sharding
    • Labels:
      None
    • Backwards Compatibility:
      Fully Compatible
    • Backport Requested:
      v4.0, v3.6, v3.4
    • Sprint:
      Sharding 2018-09-24, Sharding 2018-10-08, Sharding 2018-10-22, Sharding 2018-11-05, Sharding 2018-11-19, Sharding 2018-12-03
    • Case:

      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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              Assignee:
              kevin.pulo Kevin Pulo
              Reporter:
              james.kovacs James Kovacs
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                Dates

                Created:
                Updated:
                Resolved: