> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tracelm.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Store Routing

> Get and update observability read/write routing stages

Controls stage rollout (`postgres`, `canary`, `partial`, `columnar_primary`) and shadow-write behavior.

```json theme={null}
{
  "project_id": "550e8400-e29b-41d4-a716-446655440000",
  "read_mode": "postgres",
  "write_mode": "postgres_primary",
  "selected_store": "pinot",
  "canary_read_percent": 5,
  "partial_read_percent": 25,
  "shadow_writes_enabled": true,
  "notes": "Stage 1 shadow writes"
}
```