In ConfigSvrCreateCollectionCommand here here we use the NamespaceSerializer for the collection lock, but not the database lock. Since we also need to take the distlock for the database, we should also use the NamespaceSerializer for that too. Otherwise we end up with timeouts in situations with high concurrency.
- related to
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SERVER-49145 Prevent distributed lock timeouts in suites with background migrations
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- Closed
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