When RDS was tuned with slightly better IOPS limits, it outperformed Aurora Postgres each time. You will understand this in detail by the end of this article. There is always a huge deviation and you do pay for it. Again, this does not mean that the IOPS performed on RDS PostgreSQL and Aurora PostgreSQL are the same. ![]() In a gist, I would assume that the overall magic of Aurora PostgreSQL is observed due to its huge IOPS allocation compared to RDS. ![]() A high level view of the benchmark results We will discuss this difference in my next article. RDS PostgreSQL is generally considered as PostgreSQL though there are some limitations compared to vanilla PostgreSQL. įor this reason, I always had the thought in mind to publish a benchmark of PostgreSQL on RDS and Aurora PostgreSQL and provide some insights. Some of our customers also got surprised looking at some wait events on Aurora PostgreSQL that are never seen on PostgreSQL documentation. Some customers have also seen Aurora IOPS being the major reason for heavy bills on Aurora PostgreSQL. Because, this did force our customers to upgrade their Aurora Instance types to resolve performance issues. Some of our customers, may be including you reading this article, are curious about why there is a huge CPU utilization on their Aurora instances. ![]() Is Aurora PostgreSQL really faster and cheaper than RDS PostgreSQL ? I would request all the leaders and experts to spend time reading this article for interesting observations from a benchmark done against AWS RDS PostgreSQL vs AWS Aurora PostgreSQL and how one could reduce their bills through proper insights.įacing Performance issues on Aurora Postgres ?Ĭontact MigOps today General observations by some of our Customers using Aurora PostgreSQL Majority of leaders and key decision makers incline towards Aurora PostgreSQL as it is often marketed as 3 times faster than PostgreSQL. We have often noticed that a lot of Customers migrating from Oracle to PostgreSQL get confused between PostgreSQL and Aurora PostgreSQL. This article is to help you understand that you should benchmark before choosing Aurora PostgreSQL over PostgreSQL.
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