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Type: Task
Resolution: Unresolved
Priority: Major - P3
Fix Version/s: None
Affects Version/s: None
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Define default server values for oplogSizeMB and oplogMinRetentionHours when no user configuration is set
Define what configuration values result in truncation being disabled
- There should be a well-documented, easy way to do this in an emergency
Match ASC behavior where possible
Test that configuration is set correctly in DSC by:
- replSetResizeOplog
- --oplogSize / replication.oplogSizeMB

- --oplogMinRetentionHours / storage.oplogMinRetentionHours
Test that if we set on standby nodes, these parameters should be ignored. This enforces that oplogSizeMB and oplogMinRetentionHours are always configured at a cluster-wide level.

Assignee:: Erin Liang
Reporter:: Anna Veselova
Participants:: Anna Veselova, Erin Liang
Votes:: 0 Vote for this issue
Watchers:: 1 Start watching this issue

Created:: Mar 19 2026 06:54:32 PM UTC
Updated:: Mar 19 2026 08:31:39 PM UTC