[LU-1651] Audit multireader support changelogs

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Severity: 3
• Assignee: John Hammond
• Reporter: Robert Read (Inactive)

Description

We need to confirm that changelogs supports multiple readers like it is supposed. Changelog records need to be retained until all readers have seen them, and stale readers need to be evicted at some point so we can flush the logs.