Critical - P2 It appears that there is no backpressure between reading from a donor and writing on a recipient; there is an in-memory buffer that lives on the recipient that tenant migration writer threads pull from to perform writes. This buffer can grow without bound if writing on the recipient is significantly slower compared to reading on the donor.
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SERVER-45037 CollectionBulkLoader::insertDocuments() should be called with the collection cloner mutex held to guarantee memory and thread safety properties.
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- Closed
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- mentioned in
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