Hello again.

My conclusion, based on the options I found and researched, is that PostgreSQL multi-write will not work with Evergreen.  There are too many things that Evergreen is using that look like they would be an issue with the current multi-write solutions.

If I ever come to a different conclusion I will pass it along.

Thank you.


On 9/30/2025 11:27 AM, John Merriam wrote:
Hello.

I was wondering if anyone has any experience with multi-write replication for PostgreSQL with Evergreen?

I am working on a data center refresh and wanted to explore the possibility of a multi-write setup for PostgreSQL where multiple servers can accept writes to the database.  It is also known as multi-master or MMR.

I am researching available options but so far have not come across something that looks like it would be a great solution.

Thanks in advance!

--
John Merriam
Director of Information Technology
Bibliomation, Inc.
24 Wooster Ave.
Waterbury, CT 06708
203-577-4070

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