What are 2 implications of using the Merged Writes algorithm in this scenario?

Universal Containers has a Heroku app that uses Heroku Connect to sync data with their Salesforce org. The app makes frequemt updates to the same records over short period of time, and sync speeds have begun to worsen. An Architect recommends using Heroku Connect’sMerged Writes algorithm to improve sync speeds .

What are 2 implications of using the Merged Writes algorithm in this scenario?
A . Relationships such as circular dependencies are known to cause issues.
B . The Merged Writes algorithm does not support using Salesforce SOAP API
C . The Merged Writes algorithm is more likely to approach Salesforce API rate limits.
D . The Merged Writes algorithm does not support using the Salesforce Bulk AP

Answer: A,D

Explanation:

https://devcenter.heroku.com/articles/using-sso-services-with-heroku#end-user-account-creation-and-removal