Why do you deploy 800 megabytes of pages and assets to your (PROD) author and publish instances? On which environment do you create the content of this package? And what was the role of the PROD authoring instance in your setup? Did you use it to create and maintain PROD content? In AEM it was alway...
while you always implement code like suggested by @narendiran_ravi , I would like to understand why you need to that distinction.If you need to configure different OSGI configuration for DEV and UAT (which is a DEV in AEM CS terms), you can manage them through environment variables. See https://expe...
I just heard from colleagues about a very similar problem (maybe the same?) with AEM 6.5 SP21.Please report it to Adobe support, but I think that a bugfix is already on its way.
Where does the slowness happen? On author or on publish side? And when you mention "slowness", does it only affect the respective part of the replication (sending or receiving) or does it affect the entire instance and other activities as well?