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  1. Core Server
  2. SERVER-47241

Add the "Orphaned range deletion" section to the sharding arch guide

    • Type: Icon: Task Task
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 4.7.0
    • Affects Version/s: None
    • Component/s: Sharding
    • None
    • Fully Compatible
    • Sharding 2020-05-04

      Guidelines:

      Should include

      • When and why can orphans be created? E.g. on a recipient during cloning, on a donor after a migration
      • How do we prevent data from being ripped out from active queries on a donor primary?
      • How do we prevent data from being ripped out from active queries on donor secondaries?

      Code references

      • Where are the ranges-to-be-deleted stored in memory and on disk?

            Assignee:
            alex.taskov@mongodb.com Alexander Taskov (Inactive)
            Reporter:
            esha.maharishi@mongodb.com Esha Maharishi (Inactive)
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              Created:
              Updated:
              Resolved: