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Type: Task
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Resolution: Fixed
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Priority: Major - P3
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Affects Version/s: None
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Labels:None
Description
Downstream Change Summary
From MongoDB 4.6+, users are allowed to add new nodes with member id > 255. The only restriction is member id should be be positive number (>=0).
https://docs.mongodb.com/manual/reference/replica-configuration/#rsconf.members[n]._id
Description of Linked Ticket
Currently the limit is 255. Since both Safe Reconfig and Initial Sync Semantics encourage users to use unique memberIds more often, 255 might be an undesirable constraint.
We could do this by allowing bigger memberIds on disk in one release, but not allowing users to create them, and then allowing users to create bigger memberIds in a following release.
Scope of changes
Impact to Other Docs
MVP (Work and Date)
Resources (Scope or Design Docs, Invision, etc.)
- documents
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SERVER-48345 Increase maximum memberId in a replica set config
- Closed