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  1. Core Server
  2. SERVER-65137

detect namespace changes when refreshing Collection after yielding

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 5.3.2, 6.0.0-rc0, 5.0.9
    • None
    • None
    • Fully Compatible
    • ALL
    • v5.3, v5.0
    • Execution Team 2022-04-04, Execution Team 2022-04-18
    • 136

    Description

      The LookupCollectionForYieldRestore functor, defined in collection_catalog.cpp, is responsible for looking up the collection in the catalog in order to restore the internal state of the CollectionPtr.

      The functor returns a nullptr in the case of drops but still returns a non-null pointer if there was a rename while yielding. For renames, the resulting CollectionPtr state might be inconsistent with the resource IDs in the restored lock state. Additionally, since changes to the catalog results in new COW-induced versions of the catalog, there is a risk of a stale catalog.

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              benety.goh@mongodb.com Benety Goh
              benety.goh@mongodb.com Benety Goh
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                Created:
                Updated:
                Resolved: