Module preflight 

Preflight checks for deployments.

Structs

CatchupConfig

Configuration for catching up and promoting a read-only deployment.

Functions

check_ddl_changes 🔒

Restart in read-only mode when user items or replicas have been created or dropped, so bootstrap hydrates new objects and releases dropped resources.

get_user_ids

Snapshot committed user IDs, not allocator counters: IDs can be allocated in batches and committed out of order, or never committed at all.

preflight_0dt

Returns whether this deployment should boot in read-only mode.

spawn_catchup

Starts catching up and promoting a read-only deployment.