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  1. Compass
  2. COMPASS-6209

Investigate changes in PM-3014: Add concurrency to the chunk migration code

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    • Icon: Investigation Investigation
    • Resolution: Done
    • Icon: Major - P3 Major - P3
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    Description

      Original Downstream Change Summary

      We are providing a way to add a server parameter (setParameter) to change the destination shard insert concurrency.

      syntax changes -
      {setParameter: { migrationConcurrency: N }}

      Description of Linked Ticket

      Summary

      This project is for user-defined concurrency level to chunk migrations as a result of the spike tracked in PM-2740.

      Motivation

      During PM-2740 we implemented a proof of concept to realize a significant improvement in throughput. The purpose of this work is to productionize these changes.

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            backlog-server-pm Backlog - Core Eng Program Management Team
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              Resolved: