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  1. Core Server
  2. SERVER-58241

Overlap fetching of `_xferMods` from the donor with applying them on the recipient

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    • Icon: Task Task
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
    • 5.1.0-rc0
    • None
    • Sharding
    • None
    • Fully Compatible
    • Sharding EMEA 2021-07-26, Sharding EMEA 2021-08-09

    Description

      Currently, the recipient synchronously fetches _xferMods from the donor and then applies them. We can achieve much higher throughput if we make the application overlapped with fetching, similar to the clone path. That way the donor can be sending the mods concurrently with the recipient applying them.

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            allison.easton@mongodb.com Allison Easton
            kaloian.manassiev@mongodb.com Kaloian Manassiev
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              Created:
              Updated:
              Resolved: