Has anyone figured out how to scale Amazon RDS read replicas?

Question

I\'ve recently set up a read replica to take some of the read load off of my Amazon multi-AZ RDS instance. The Amazon documentation clearly states that it is \"up to your appli

Answer 1

An AWS engineer provided some insight into the question here.

Here is a snippet of his response:

in general you can load-balance traffic at the following 3 logical places:

• Application layer - create multiple connection pools and send all reads to the read-replicas.
• Web framework/middleware - some web frameworks have in-built support for multiple databases [1].
• External proxy - You can use an external proxy like MySQLproxy [2].

[1] - https://docs.djangoproject.com/en/dev/topics/db/multi-db/

[2] - https://launchpad.net/mysql-proxy