AppCloud Dashboard Performance Boost

If you are an Engine Yard AppCloud customer with a large number of environments, you may have noticed slowly degrading performance recently. Specifically, the dashboard page load time was a bit long, and live instance status & message updates sometimes resulted in a flicker.

Click to view full size.

We are pleased to say that as of a recent deploy, customers with many environments can now enjoy a much snappier (70% faster) dashboard. For the curious, the fix was done by discovering an I/O bottleneck via New Relic and getting rid of it by appropriately using fragment caching.