In a recent blog, I described features for PostgreSQL Core that we’ve been working on https://www.2ndquadrant.com/en/blog/postgresql-solutions-roadmap/ Many people have asked for a similar roadmap for BDR and Postgres-XL. I can confirm that both are under active development and in active use. Postgres-XL (link) XL 9.5 v1.2 is now available, with more updates coming. XL 9.6 […]
If you try to update the same data at the same time in multiple locations, your application has a significant problem, period. That’s what I call the physics of multi-master. How that problem manifests itself is really based upon your choice of technology. Choosing Postgres, Oracle or ProblemoDB won’t change the problem, just gives you […]
My colleagues and I are often asked “when will you (2ndQuadrant) contribute BDR to PostgreSQL?” This makes an interesting assumption: that we have not already done so. We have. Much of BDR has already been contributed to core PostgreSQL, with more to come. All of BDR is under the PostgreSQL license and could be merged […]
Version 0.9.2 of the BDR (Bi-Directional Replication) extension for PosgreSQL has been released. This is a maintenance release in the current stable 0.9.x series, focused on bug fixes, stability and usability improvements. In particular bdr_init_copy, the pg_basebackup-based node bring-up tool, is significantly improved in this update. This release also updates the BDR-patched version of PostgreSQL […]
The BDR team has recently introduced support for dynamically adding new nodes to a BDR group from SQL into the current development builds. Now no configuration file changes are required to add nodes and there’s no need to restart the existing or newly joining nodes. This change does not appear in the current 0.8.0 stable […]
For a couple of years now a team at 2ndQuadrant led by Andres Freund have been working on adding bi-directional asynchronous multi-master replication support for PostgreSQL. This effort has become known as the BDR project. We’re really excited to see these efforts leading to new PostgreSQL features and have a great deal more still to […]
Version 9.4 of PostgreSQL, soon to be released, has many innovations for administrators, including the introduction of support for logical replication, which is the first step towards the integration of multi-master replication into core PostgreSQL. In this two-part article we will show you the main new features for administrators; we begin with […]
RPMs for BDR (Bi-Directional Replication for PostgreSQL) are now available for testing. They contain BDR release 0.7.1, which is based on PostgreSQL 9.4beta2. Because there may be an on-disk format change (catversion bump) before PostgreSQL 9.4.0 final, and because these RPMs are quite new, this should be considered a test release. RPMs are available for […]
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