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Type: Task
Resolution: Done
Priority: Major - P3
Fix Version/s: 2.6.0
Affects Version/s: None
Component/s: Backpressure, SDAM
Labels:
None

Epic Link:
Client Backpressure Spec
Quarter:
- FY27Q2
Upstream Changes Summary:
Hide

~~DRIVERS-3218~~:
Summary of necessary driver changes

Drivers should update their CMAP & SDAM error handling implementations to NOT clear the pool if connection establishment fails in certain circumstances. Additionally, drivers now apply new error labels to establishment errors.

Note the clarification in these PRs:

https://github.com/mongodb/specifications/pull/1879

https://github.com/mongodb/specifications/pull/1892

Commits for syncing spec/prose tests
(and/or refer to an existing language POC if needed)

https://github.com/mongodb/specifications/commit/1cafc53b729df3f1ecb144dba78d51da6ffa6a55

(follow-up test fix) https://github.com/mongodb/specifications/commit/c12c50ed0ff3df870883e2c1d51254e933f9850e

Context for other referenced/linked tickets{}
Show
DRIVERS-3218 : Summary of necessary driver changes Drivers should update their CMAP & SDAM error handling implementations to NOT clear the pool if connection establishment fails in certain circumstances. Additionally, drivers now apply new error labels to establishment errors. Note the clarification in these PRs: https://github.com/mongodb/specifications/pull/1879 https://github.com/mongodb/specifications/pull/1892 Commits for syncing spec/prose tests (and/or refer to an existing language POC if needed) https://github.com/mongodb/specifications/commit/1cafc53b729df3f1ecb144dba78d51da6ffa6a55 (follow-up test fix) https://github.com/mongodb/specifications/commit/c12c50ed0ff3df870883e2c1d51254e933f9850e Context for other referenced/linked tickets { }
Confidence Status:
None

Documentation Changes:
Not Needed

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Link:
None
Goal Name(s):
None

This ticket was split from DRIVERS-3218, please see that ticket for a detailed description.

fixes

GODRIVER-3727 Fix Backpressure-related racy tests

Closed

is fixed by

GODRIVER-3906 Exclude non-I/O TLS errors from backpressure labels

Ready for Work

is related to

GODRIVER-3873 Audit and update network vs not-network handshake error classification

Closed

GODRIVER-3920 pool-clear-min-pool-size-error.json failure

Needs Triage

split from

DRIVERS-3218 Avoid clearing the connection pool when the server connection rate limiter triggers

Closed

Assignee:: Sergey Zelenov
Reporter:: TPM Jira Automations Bot
Reviewers:: None
Votes:: 0 Vote for this issue
Watchers:: 2 Start watching this issue

Created:: Aug 25 2025 05:00:31 PM UTC
Updated:: May 19 2026 09:15:38 PM UTC
Resolved:: Mar 10 2026 06:03:21 PM UTC

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