Re: BDR that performs

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On Fri, Jun 14, 2024 at 12:08:51PM +0000, Smith, Travis wrote:
> Hello Beautiful People,
> 
>  
> 
> I have a question regarding a good performing BDR system for Postgres.  I am
> currently evaluating/prototyping a primary-primary/master-master replication
> system.  I have a question around the experience held by the community at
> large.   Has anyone worked in a production environment with a solid BDR
> platform that performs well?   I am currently testing SymmetricDS but I am
> worried about a few things although the feature set is salivating.  
> 
>  
> 
> Any hints to other software would be great, the organization has budget cap to
> bring a talented consultant or consultant firm in to fulfill an advisory role.
> 
> So far I have reviewed:
> 
> Greenplum  -- always lagging in version
> 
> PG 16 logical replication – very basic – manual conflict resolution.
> 
> SymmetricDS – trigger based replication
> 
> EDB BDR (PGD) – not an option at this time

Well, I think you have the right data above.  There isn't much demand
for multi-master in the community because the usefulness of it is
limited;  see:

	https://momjian.us/main/blogs/pgblog/2018.html#December_24_2018

We are working on expanding logical replication to handle DDL changes
and conflicts, but that work is a few years away from completion.

-- 
  Bruce Momjian  <bruce@xxxxxxxxxx>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Only you can decide what is important to you.





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