Add HA query SHOW REPLICATION LAG

[as51340]

Release note

Added docs section in HA about the new query: SHOW REPLICATION LAG.

Related product PRs

PRs from product repo this doc page is related to:
memgraph/memgraph#3167

Checklist:

• Add appropriate milestone (current release cycle)
• Add bugfix or feature label, based on the product PR type you're documenting
• Make sure all relevant tech details are documented
  • Update reference pages (e.g. clauses, functions, flags, experimental, monitoring, Cypher differences)
  • Search for the feature you are working on (mentions) and make updates if needed
  • Provide a basic example of usage
  • In case your feature is an Enterprise one, list it under ME page and mark its page with Enterprise (example).
• Check all content with Grammarly
• Perform a self-review of my code
• The build passes locally
• My changes generate no new warnings or errors

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Project	Deployment	Preview	Comments	Updated (UTC)
documentation	✅ Ready	Preview	Comment	Aug 14, 2025 8:12am