Continuously retrieving information from a database to display on a web page

Our team is currently developing a solution that requires a dashboard with basic views and charts that need to be updated every 10 seconds when active. Each user will have the same charts but showing filtered information.

In order to achieve this functionality, I have started exploring push technologies and conducted tests using JSF + PrimeFaces + PrimePush. While this setup successfully refreshes the view, it requires a robust backend structure with scheduled jobs and session management to fetch data from the database at the desired frequency. Additionally, utilizing PrimePush with Atmosphere introduces challenges related to channel management, as each user needs a separate channel for the data feed.

I am seeking feedback on the suitability of this approach and if there are any alternative Java-based solutions that might better suit our dashboard requirements.

Thank you for taking the time to read this and feel free to ask if you need more details.

javaajaxjsfweb

Answer №1

The rate of occurrence is not particularly high: 10s constitutes a rather lengthy polling interval.

In this scenario, utilizing AJAX to poll from the browser is acceptable. When it comes to the backend, the servlet could retrieve the latest changes from a database.

It may be a straightforward setup, but it should suffice for your needs.

If you encounter performance issues, you might want to consider implementing asynchronous servlets in conjunction with JMS queues. This approach would be suitable if reducing latency is a priority (e.g., aiming for a 500ms response time).

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