EDB Releases PGD 6.4 With Quorum Commitment, Bringing True Distributed Consistency to Mission-Critical Postgres

WILMINGTON, Del. – EnterpriseDB (EDB), a leading AI and data company, has announced EDB Postgres Distributed (PGD) 6.4, the distributed transaction foundation for EDB Postgres AI. The release introduces three landmark capabilities: Quorum Commitment for true distributed cross-node consistency, integrated connection integration via a native Connection Manager, and full support for PostgreSQL macros. Together, they deliver the robustness and simplicity of architecture demanded by Tier 1 financial and infrastructure applications.

The need for dynamic control over critical data is growing rapidly. Gartner predicts that by 2030, more than 75% of businesses in Europe and the Middle East will outsource workloads – up from less than 5% in 2025. AI and data autonomy are clear strategic imperatives.

But controlling where the data resides is only part of the picture; organizations also need certainty about its status. PGD ​​6.4 meets that need, delivering the strongest consistency Postgres distribution has ever offered.

Quorum of Commitment: The end of distributed double spending

The most recent addition to PGD 6.4 Quorum Commitment; a pre-commit communication method that enforces a single, unified global truth across all nodes in the cluster before any transactions are committed locally. Unlike traditional synchronous replication, which only ensures that a copy has received a record, Quorum Commit includes the content of a simultaneous write across all data centers in real time.

Consider a credit card assigned to all locations. Under standard multiples, two charges at the same time can pass a local balance check and commit independently, leaving the bank to resolve the overdraft afterwards. With Quorum Commitment, the group reaches an agreement before any transaction is completed: The first transaction wins a quorum vote and commits; the second you see the balance updated and rejected at the point of sale without post-commitment cleaning.

“Postgres has become the standard for modern applications. But until now, organizations doing high-value transactions in banking, payments, or telephony have been forced to return to legacy business RDBMS for their strict consistency requirements. PGD 6.4 changes that, to bring the same distributed consistency that those systems are built on, now fully Postgres,” said Jozef de Vries, SVP, Database Engineering at EDB.

For financial institutions migrating to a proprietary database, Quorum Commit removes the last major technical barrier: a fully native Postgres approach to the same consistency guarantees offered by high-end commercial programs without a license.

Integrating Link Manager: Enterprise scale, absence of external dependencies

PGD ​​6.4 extends the built-in Connection Manager introduced in PGD 6.0 with native connection pooling, eliminating the need for external connectors such as pgBouncer in most production topologies. Because the Connection Manager is directly integrated with PGD’s Raft consensus layer, it provides capabilities that no external proxy can match: cluster-aware routing at both the cluster and regional levels, an automatic failover route that responds to consensus changes in real time, and integrated visibility into PostgreSQL’s own logging and monitoring view.

Profitability of buildings is important for scale. Organizations using hundreds of different clusters such as processors running on thousands of CPU cores get a simple, robust stack with one fewer component for deployment, versioning, and monitoring. Operational complexity is reduced without any sacrifice in throughput or connection headroom.

Big object support: Expanding the scope of distributed Postgres

PGD ​​6.4 adds complete replication support for PostgreSQL macro objects—binary data structures previously unavailable in distributed Postgres environments. This brings a class of workloads into the PGD fold that was not previously included: applications that manage scanned documents, image archives, binary payloads, or mixed and unstructured transaction data within a single database. Financial institutions, government agencies, and healthcare professionals often maintain these hybrid programs near their critical desks.

PGD ​​6.4 is now available as a standalone distribution and will be available as part of EDB Postgres AI in June. For technical documentation, release notes, and development guides, visit enterprisedb.com/docs/pgd.