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EDB Postgres Advanced Server vs Faiss comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 23, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

EDB Postgres Advanced Server
Ranking in Open Source Databases
13th
Average Rating
8.0
Reviews Sentiment
7.7
Number of Reviews
10
Ranking in other categories
No ranking in other categories
Faiss
Ranking in Open Source Databases
12th
Average Rating
8.0
Reviews Sentiment
3.3
Number of Reviews
3
Ranking in other categories
Vector Databases (13th)
 

Mindshare comparison

As of May 2026, in the Open Source Databases category, the mindshare of EDB Postgres Advanced Server is 2.3%, down from 2.8% compared to the previous year. The mindshare of Faiss is 3.5%, down from 4.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Open Source Databases Mindshare Distribution
ProductMindshare (%)
Faiss3.5%
EDB Postgres Advanced Server2.3%
Other94.2%
Open Source Databases
 

Featured Reviews

Munirathnakumar Si - PeerSpot reviewer
Senior Principal Cyber Security Consultant - Cloud and Container at Standard Chartered Bank
Though user-friendly, it fails to offer a mobile application to users
The product currently fails to offer a mobile application. In the future, I want the solution to offer a mobile application, especially since you can access the services via mobile phone with all the service providers like AWS and others. A mobile application provided by the product can help a user to see the status whenever needed.
Kalindu Sekarage - PeerSpot reviewer
Senior Software Engineer
Integration improves accuracy and supports token-level embedding
The best features FAISS offers for my team include seamless integration with Colbert and the ability to use FAISS via the Ragatouille framework, which is tailor-made for using the Colbert model. Feature-wise, FAISS allows for more accurate result retrieval, and retrieval speed is also good when comparing the index size. Regarding features, I also emphasize that the usability of FAISS is very seamless, particularly its integration with Colbert and Ragatouille. FAISS has positively impacted my organization by helping us increase the accuracy of retrieval documents; when we store documents in token-level embedding, the accuracy will be high. Additionally, we do not need any external server to host FAISS, allowing us to integrate it with our backend framework, making it a very flexible framework.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Cost/benefit wise Postgres is a great solution."
"The product is user-friendly."
"I would highly recommend EDB Postgres Advanced Server to others."
"I like that EDB Postgres Advanced Server scales well. A valuable feature of the solution is multi-tenancy support. It also supports JSONB."
"The backup utility tools such as pg_restore and pg_dump are really convenient and efficient tools to handle backup and recovery."
"The number of indices available in Postgres is remarkable."
"The feature of vector database management for AI is quite interesting and impactful."
"This product has allowed us to reduce costs in some parts of our infrastructure without losing functionality."
"I used Faiss as a basic database."
"The product has better performance and stability compared to one of its competitors."
 

Cons

"Lighter integration model for containerized deployment. Effectively, there still remain some issues with a containerized deployment, so we have opted for a non-containerized deployment."
"I would like to see improvements in the performance, especially in large-scale operations, as it currently cannot match Oracle's performance."
"I have faced performance issues in the community edition."
"An area for improvement in EDB Postgres Advanced Server is JSONB querying. It would be nice to have even stronger JSONB support from the solution."
"There aren't specific new features we wish to add."
"Setting up MySQL is slightly more straightforward than Postgres."
"The security is not very robust and the product would be much more useful with more security options."
"It suffers issues ranging from data corruption to failing to delete temporary files which then necessitate us having to perform server restarts."
"One of the drawbacks of Faiss is that it works only in-memory. If it could provide separate persistent storage without relying on in-memory, it would reduce the overhead."
"It could be more accessible for handling larger data sets."
"It would be beneficial if I could set a parameter and see different query mechanisms being run."
 

Pricing and Cost Advice

"It is an open-source product."
"EDB Postgres Advanced Server is open source, so I don't pay for licensing."
"Pricing is significantly lower than competing products."
"The product is either free with community support or very inexpensive with a small yearly fee for paid support."
"I have been working on the community edition."
"Faiss is an open-source solution."
"It is an open-source tool."
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893,221 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Financial Services Firm
17%
Manufacturing Company
10%
Comms Service Provider
9%
Computer Software Company
8%
Financial Services Firm
14%
Computer Software Company
11%
Comms Service Provider
9%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business2
Midsize Enterprise1
Large Enterprise8
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for EDB Postgres Advanced Server?
EDB Postgres Advanced Server offers both processor-based and user-based licensing options. The cost is reasonable, particularly for middle and lower-tier customers, but there are hiccups when deali...
What needs improvement with EDB Postgres Advanced Server?
It was challenging to think of improvements for Postgres. We did not choose to extend or add new features to Postgres since it already meets our needs so well. There aren't specific new features we...
What is your primary use case for EDB Postgres Advanced Server?
Our primary use case for EDB Postgres Advanced Server was to study the code base behind it. We aimed to understand how it has been built, how the engine functions, the querying process, and what ki...
What do you like most about Faiss?
I used Faiss as a basic database.
What is your experience regarding pricing and costs for Faiss?
I did not purchase FAISS through the AWS Marketplace because FAISS is an open-source product. My experience with pricing, setup cost, and licensing is straightforward, as there is no cost for acqui...
What needs improvement with Faiss?
I currently do not think there is anything to be improved based on our experience, as Faiss performs as we expected for our workflow. I would like to see improvement in the fact that FAISS currentl...
 

Overview

 

Sample Customers

Ericsson, Clear Capital, PinkRoccade, ABN Amro, WholeWorldBand, Van Genechten, Gallinat-Bank AG, Mariner, coresystems, Aquent, Contegix, AQA, Genscape, InMobi
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Find out what your peers are saying about EDB Postgres Advanced Server vs. Faiss and other solutions. Updated: April 2026.
893,221 professionals have used our research since 2012.