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  1. Core Server
  2. SERVER-22669

CSRS balancer supports parallel migrations

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    • Type: Icon: Task Task
    • Resolution: Duplicate
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Sharding
    • Labels:
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    • Sharding 16 (06/24/16)

      Move the balancer to be on the CSRS primary and remove it from mongos. This task includes making the following changes:

      • Ensuring that only the CSRS primary runs the balancer and that step down interrupts any active migrations (or there is a way for the new primary to resume monitoring any active migrations).
      • Acquisition of the balancer dist lock
      • Implement the balancer state machine

            Assignee:
            kaloian.manassiev@mongodb.com Kaloian Manassiev
            Reporter:
            kaloian.manassiev@mongodb.com Kaloian Manassiev
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