MongoDB 8.0 repl.buffer changes

Description

Problem: mongoDB 8.0 introduced breaking changes in oplog-related metrics ( )

As they’ve used in PMM dashboards ( ) we need to rework or modify the dashboards to match then new metrics.

 

Proposed solution:

Present Apply operations or use the old metric if the new is not present.

How to test

FB :

What to check -
MongoDB Oplog Details Dashboard
- Oplog details → Oplog Buffered Operations Panel
- Oplog details → Oplog Buffer Capacity Panel

How to get the data -
- Run an instance with Replicaset
- Open a few QAN queries for secondary nodes
- Wait for data to load

How to document

RN

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Created October 31, 2024 at 2:17 PM
Updated January 17, 2025 at 2:09 PM
Resolved December 5, 2024 at 11:01 AM