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Danny White
8511f92314
## What kind of change does this PR introduce? Feature ## What is the current behavior? Replicated table rows show their temporary sync slot's pending bytes, WAL risk, and last check-in, but omit the amount of WAL retention remaining. ## What is the new behavior? Replicated table rows include the temporary slot's WAL retention headroom alongside the existing sync details. Finite values use a compact byte value, an explicit unlimited value is labelled `Unlimited WAL retention`, and absent values remain omitted. | After | | --- | | <img width="1862" height="966" alt="CleanShot 2026-09-17 at 15 11 26@2x" src="https://github.com/user-attachments/assets/8475bc8a-792c-46fc-b776-1ea20b7dfb89" /> | ## To test 1. Open `/project/<ref>/database/replication/<pipeline-id>` for a BigQuery pipeline while at least one table is completing its initial sync (or was just restarted). 2. Find that table under **Replicated tables**. 3. Confirm its **Details** cell reads in this order when all values are available: `720 MB waiting to sync · 1.3 GB WAL retention remaining · Last check-in 2 min`. 4. Confirm a temporary slot with unlimited retention shows `Unlimited WAL retention`, and a missing retention value adds no placeholder. 5. Confirm WAL warnings such as `Some changes at risk` or `Some changes lost` still appear alongside the retention value. <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit - **New Features** - Replication status now displays remaining WAL retention. - Shows unlimited retention when applicable or presents finite capacity in a readable format. - Reports when retention is exhausted and changes may be at risk. - **Bug Fixes** - Invalid retention values no longer produce misleading WAL retention messages. - Replication pipeline status more clearly identifies conditions where changes may be at risk due to limited or exhausted retention. <!-- end of auto-generated comment: release notes by coderabbit.ai -->