Refer to the EHR Healthcare case study. As a developer on the EHR customer portal team, your team has recently migrated the customer portal application to Google Cloud. Consequently, the load on the application servers has increased, leading to many timeout errors being logged by the application. You had recently integrated Pub/Sub into the application architecture. However, the application is not logging any Pub/Sub publishing errors. You aim to improve the publishing latency. Given this context, what should you do?