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  1. Core Server
  2. SERVER-50218

Change shard server and config server op observers to handle $v:2 delta updates

    • Type: Icon: Task Task
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 4.7.0
    • Affects Version/s: None
    • Component/s: Querying, Sharding
    • None
    • Fully Compatible
    • Query 2020-08-24, Query 2020-09-07, Query 2020-09-21

      The shard server op observer parses updates to config.cache.collections and config.rangeDeletions to maintain in-memory state about the routing table. See here. This code will need to be changed to handle both the $v:1 update format and $v:2 update format.

      The config server op observer appears to have logic which will need similar changes.

            Assignee:
            ian.boros@mongodb.com Ian Boros
            Reporter:
            ian.boros@mongodb.com Ian Boros
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              Created:
              Updated:
              Resolved: