[CDRIVER-3622] DNS cache and happy eyeballs does not apply to application connections Created: 14/Apr/20  Updated: 23/Mar/23

Status: Backlog
Project: C Driver
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Kevin Albertson Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified


 Description   

CDRIVER-1972 overlooked that new application connections for pooled clients go through a different code path outside of the topology scanner.

_mongoc_cluster_add_node calls _mongoc_client_create_stream, which uses mongoc_client_default_stream_initiator or a user supplied initiator to create connections.

mongoc_client_default_stream_initiator does not cache DNS results or perform happy eyeballs.


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