Eventual consistency

Technical Preview

The Go SDK is a technical preview. Its API surface may still evolve and changes may not follow semantic versioning. Pin an exact version if you need stability.

Reads are served from the cluster's secondary storage and are eventually consistent. Poll retries a read (by default while it returns 404) until the entity is visible or a timeout elapses:

// Reads are eventually consistent: a just-created entity may briefly 404.
// Poll retries 404s until the entity is visible or the timeout elapses.
key := openapi.MustProcessInstanceKey("2251799813685249")

instance, err := camunda.Poll(ctx, func(ctx context.Context) (*openapi.ProcessInstanceResult, error) {
	return client.GetProcessInstance(ctx, key)
}, camunda.WithPollTimeout(10*time.Second))
if err != nil {
	return err
}
fmt.Printf("instance state: %v\n", instance.GetState())