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A survey of PostgreSQL users has found that the levels of uptime experienced using cloud providers falls well short of their expectations in terms of reliability.

Research firm The Foundry found that among users of common cloud services for PostgreSQL, 82 percent expressed concern about cloud region failures, while 21 percent experienced such failures in the past year.

The survey of 212 IT decision-makers across enterprises and SaaS businesses found that 91 percent of organizations currently using PostgreSQL demand no more than four minutes of downtime per month, or around 99.99 percent uptime, while 24 percent aim for less than 30 seconds. The findings suggest PostgreSQL is capable of supporting operations with significant performance and reliability requirements.

The study, commissioned by distributed PostgreSQL vendor pgEdge, found that AWS maintains a dominant market position for PostgreSQL services. AWS RDS was used by 55 percent of respondents, while AWS Aurora Global Database was used by 45 percent. Twenty-nine percent used Azure Cosmos DB and Google Cloud SQL was used by 24 percent.

“The meaningful adoption of Azure and Google Cloud solutions indicates organizations are beginning to diversify beyond a single-cloud ecosystem,” the study said.

Tech professionals surveyed said unexpected downtime delayed business operations or workflows (56 percent). Others cited damage to brand trust (40 percent), experienced support spikes (49 percent), and required emergency remediation (47 percent). No respondents said there had been no impact.

Approaches to securing PostgreSQL availability were fragmented. Fifty-eight percent employed single-region strategies with read replicas and automated failover. Multi-region adoption was used by 47 percent of respondents who create standard Postgres read replicas and automated failover, or multi-master replication. Manual processes still persist for 23 percent of respondents, while 5 percent report having no high availability strategy in place.

The survey also underlined the spread of PostgreSQL among SaaS businesses and enterprises. Fifty-one percent of respondents use it as part of a hybrid database environment, while 35 percent depend on it as the principal database for customer-facing applications.

In the first six months of 2025, database ranking service DB-Engines found PostgreSQL the biggest climber, with a ranking increase of over 13 points. It is fourth overall, behind Oracle, MySQL, and Microsoft SQL Server. ®