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Amazon RDS on Outposts vs Citus Data comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 4, 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

Amazon RDS on Outposts
Ranking in Relational Databases Tools
22nd
Average Rating
8.4
Reviews Sentiment
6.4
Number of Reviews
5
Ranking in other categories
No ranking in other categories
Citus Data
Ranking in Relational Databases Tools
29th
Average Rating
8.0
Reviews Sentiment
7.3
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2026, in the Relational Databases Tools category, the mindshare of Amazon RDS on Outposts is 1.0%, up from 0.3% compared to the previous year. The mindshare of Citus Data is 2.1%, down from 2.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools Mindshare Distribution
ProductMindshare (%)
Amazon RDS on Outposts1.0%
Citus Data2.1%
Other96.9%
Relational Databases Tools
 

Featured Reviews

Junilson Souza - PeerSpot reviewer
Membro Do Conselho Consultivo at a computer software company with 5,001-10,000 employees
Has reduced database management efforts and supported student learning through smooth deployment
The most important feature of Amazon RDS on Outposts for me is the self-managed aspect. The user doesn't have to worry about putting the service online, scaling the solution, and they don't have to worry about backups and other administrative tasks. The self-managed feature by AWS is very interesting. I use the automated backups in Amazon RDS on Outposts, and I recommend it. I work as a consultant for AWS products, and I have recommended Amazon RDS on Outposts and the automatic backup. Automated backups are helpful because the technical team doesn't have to worry about backups, making it much easier. It frees the technical team to deal with other kinds of questions within their projects. Amazon RDS on Outposts positively impacted my organization by being very useful to migrate, freeing the technical team to think about other matters instead of focusing just on backups and provisioning the database.
Arucy Lionel - PeerSpot reviewer
Co-Founder at Afriziki
Efficiently handles high-traffic scenarios and compatible with PostgreSQL extensions, offering flexibility in database management
There are many areas of improvement , especially in terms of DDL query routing. Even though it's masterless, DDL queries need to be sent to the coordinator node. Also, setting up a multi-node environment could be more straightforward. Currently, setting up a multi-node environment is challenging. It's a bit tricky. Installation on each PostgreSQL node can lead to communication issues between nodes. An automatic rebalancing feature would be a significant improvement. Currently, I have to manually command the rebalance. It would be more convenient if it was rebalanced automatically. The dashboard and monitoring capabilities are good, but it would be helpful to have an integrated availability dashboard.

Quotes from Members

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

Pros

"The scalability and cost-effectiveness of AWS were beneficial during spikes in database usage, as it allowed our platform to adjust and remain operational."
"Amazon RDS on Outposts positively impacted my organization by being very useful to migrate, freeing the technical team to think about other matters instead of focusing just on backups and provisioning the database."
"The solution is easy to manage."
"The solution reduces the configuration and maintenance of the database."
"The product's initial setup phase is simple and straightforward."
"Its distributed processing capabilities are a standout feature. It requires minimal changes to get up and running if you already have a system on PostgreSQL. Citus can run in its natural state."
"The solution is competitive with Mongo, MySQL, and maybe even Oracle."
"You can use Citus Data to write complex scripts. I like its version upgrades and disaster recovery as well."
"It's very straightforward to implement the solution. It took us two days to set up everything."
 

Cons

"If our database is too big, we sometimes face glitches in it."
"Areas that could be improved with Amazon RDS on Outposts for Brazilians include the cost because it remains a very important consideration."
"The tool should include features to clone the RDS instances and have more central management for a lot of RDSs, not just every instance."
"I find the pricing to be expensive."
"I would like to see some improvements in its version upgrades because its upgrade from MySQL 5.7 to MySQL 8 was not straightforward."
"Citus Data needs to improve its stability. Do not consider this product if you have the budget. It is still developing and has a lot of issues."
"More features in monitoring and the reporting could make it better."
"There are many areas of improvement , especially in terms of DDL query routing. Even though it's masterless, DDL queries need to be sent to the coordinator node. Also, setting up a multi-node environment could be more straightforward."
 

Pricing and Cost Advice

"The licenses are included with the subscription my company purchases from Amazon."
"Amazon RDS on Outposts is expensive compared to other solutions."
"The solution can get expensive fast."
"Citus Data is an open-source product."
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Top Industries

By visitors reading reviews
No data available
Computer Software Company
15%
Construction Company
12%
Comms Service Provider
9%
Financial Services Firm
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Amazon RDS on Outposts?
Regarding price, using Amazon RDS on Outposts was a little bit more expensive than using EC2.
What needs improvement with Amazon RDS on Outposts?
Areas that could be improved with Amazon RDS on Outposts for Brazilians include the cost because it remains a very important consideration. The general self-managing service is a concern as well be...
What is your primary use case for Amazon RDS on Outposts?
I have experience with AWS. I have about five years of experience with AWS products. The AWS products I deal with include virtual machines, EC2, database, basic storage, S3, and basic usage. I have...
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Overview

 

Sample Customers

Information Not Available
Cloud Flare, Agari, Mix Rank, Heap
Find out what your peers are saying about Amazon RDS on Outposts vs. Citus Data and other solutions. Updated: June 2026.
902,988 professionals have used our research since 2012.