@key-key If it is just content, you can use tree activation option.But remember the tree activation is no longer under /etc but rather under /libsInstead the url that you should be using is - http://<HOST>:<PORT>/libs/replication/treeactivation.html  

@ForrestLi  You can refer to this article to achieve this . https://docs.adobe.com/content/help/en/experience-manager-64/deploying/configuring/resource-mapping.html  

@pn_2007   When you first uploaded the image on the Author, did you get any error in the DAM asset update workflow execution ? May be that is a good starting point to check if the workflow finished without any errors on the Author.Are you able to access the mentioned image rendition on the author?

@cmr96960454 @Nupur_Jain  My two cents on this one. QueryDebugger should be used to perform dry runs  to see how your JCR queries are performing and optimize them accordingly.QueryDebugger should not be your primary way of implementing the given business logic.Also, session.getNode will require a lo...

My two cents on this one.