Redis vs ScyllaDB comparison

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Redis

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Executive SummaryUpdated on Jan 7, 2025

ScyllaDB and Redis are competing products in the NoSQL database market. ScyllaDB seems to have the upper hand in handling large-scale data with its high throughput and low latency, while Redis excels in fast in-memory operations.

Features: ScyllaDB offers impressive scalability with its distributed database architecture, high throughput for large data loads, and efficient hardware utilization. Redis provides robust in-memory data structures, immediate response times, and persistence options to ensure data reliability.

Room for Improvement: ScyllaDB could enhance its ease of configuration and compatibility with more data tools, improve its process for operational troubleshooting, and refine its deployment to reduce the need for specialized DevOps. Redis might improve scalability when dealing with write-heavy loads, increase flexibility for handling complex data structures, and reduce the initial setup complexity.

Ease of Deployment and Customer Service: ScyllaDB focuses on straightforward deployment with automated sharding and replication, reducing operational complexity and offering enterprise-level customer service. Redis, known for its simple architecture, offers rapid setup and flexible deployments, often preferred for its extensive documentation and community support.

Pricing and ROI: ScyllaDB's cost structure is advantageous for large-scale data applications, offering better scalability economics. Redis justifies potential higher setup costs with a comprehensive feature set, enabling swift ROI through enhanced application performance.

To learn more, read our detailed Redis vs. ScyllaDB Report (Updated: June 2025).

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Redis vs. ScyllaDB

June 2025

Helped 858,327 peers since 2012

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

Redis

Ranking in NoSQL Databases

7th

Average Rating

8.8

Reviews Sentiment

8.0

Number of Reviews

Ranking in other categories

In-Memory Data Store Services (1st), Vector Databases (4th)

ScyllaDB

Ranking in NoSQL Databases

2nd

Average Rating

7.8

Reviews Sentiment

7.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of June 2025, in the NoSQL Databases category, the mindshare of Redis is 7.6%, up from 0.1% compared to the previous year. The mindshare of ScyllaDB is 10.1%, down from 10.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.

NoSQL Databases

Featured Reviews

Yaseer Arafat

.Net Developer at Freelance

Unmatched Performance and Scalability for Modern Applications

Redis has room for improvement in a few areas. Enhanced tools for managing and monitoring clusters would be beneficial, as would built-in security mechanisms like advanced encryption and granular access controls. Simplifying setup and configuration could make Redis more accessible to new users. Introducing more enterprise-grade features, such as better multi-tenancy support and improved backup and restore capabilities, would also be advantageous. For the next release, it would be great to see enhanced cluster management tools, native multi-region supports for better data redundancy, integrated analytics for deeper insights, AI and ML integration features, and improved developer experience through enhanced SDKs and tools.

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Uttam Giri

Lead Network Engineer at First Orion

Offers encryption and supports APIs, making it great for distributed systems

The best features of ScyllaDB are how it synchronizes data and its failover system. There's a unique formula to decide the number of nodes you need and the minimum required, which I find helpful. It also offers encryption and supports APIs, making it great for distributed systems and scaling databases across different regions. While it's easy to use, having prior experience helps configure it properly. There are many configurations; if you don't understand them, you might mess up the design. So, understanding your system's needs, like whether it requires more read or write operations, is crucial for setting up the correct configuration.

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Quotes from Members

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

Pros

"I find Redis valuable primarily for its caching capabilities, particularly in handling cache requests effectively. Its simplicity in managing key-value pairs for caching is one of its strengths, making it a preferred choice over more complex databases like MongoDB for specific use cases. However, I haven't explored Redis extensively for managing complex data structures beyond caching, as MongoDB might be more suitable for such scenarios."

"The solution is fast, provides good performance, and is not too expensive."

"Redis acts as an in-memory search tool that improves the speed of operations."

"Redis is good for distributed caching management."

"Redis has multiple valuable features such as being a free and reliable open-source tool."

"Redis is a simple service that does what it promises."

"The solution's technical support team is good...The solution's initial setup process was straightforward."

"Redis is better tested and is used by large companies. I haven't found a direct alternative to what Redis offers. Plus, there are a lot of support and learning resources available, which help you use Redis efficiently."

More Redis pros

"The best features of ScyllaDB are how it synchronizes data and its failover system. There's a unique formula to decide the number of nodes you need and the minimum required, which I find helpful. It also offers encryption and supports APIs, making it great for distributed systems and scaling databases across different regions. While it's easy to use, having prior experience helps configure it properly. There are many configurations; if you don't understand them, you might mess up the design. So, understanding your system's needs, like whether it requires more read or write operations, is crucial for setting up the correct configuration."

"The documentation is good. It integrates easily with our existing data infrastructure."

"ScyllaDB allows fine-tuning of the table structure. Speed is probably the most critical factor because we perform a lot of heavy data ingestion. One of its core features is its ability to handle high volumes and maintain speed when accessing data. Additionally, high availability and partitioning are built-in features of ScyllaDB."

"The performance aspects of Scylla are good, as always... A good point about Scylla is that it can be used extensively."

"I like how fast it is to query data from the ScyllaDB node!"

"It is lightweight, and it requires less infrastructure."

"The performance and scalability are good, and we hardly see any major issues with ScyllaDB."

"ScyllaDB is very fast, and I can use it for so many things."

More ScyllaDB pros

Cons

"The tool should improve by increasing its size limits and handling dynamic data better. We use the client ID or associate it with a key for static content. The solution will not be easy for a beginner. Unless you understand SQL data, it will be difficult to understand and use Redis. It also needs to be user-friendly."

"There is room for AWS to provide more options for server types or a way to configure more or less memory for them."

"Redis could improve its efficiency in handling locally stored data, not just Amazon Cloud or Google Cloud."

"There are some features from MongoDB that I would like to see included in Redis to enhance its overall efficiency, such as the ability to perform remote behaviour. MongoDB is more efficient in handling updates than deletions and is quicker in processing updates, but it can be slower regarding deletions. This can sometimes pose a challenge, especially when dealing with large datasets or frequent data manipulations that involve deletions. In such cases, I often rewrite columns or update values instead of directly deleting data, as it can be more efficient."

"If we use a lot of data, it will eventually cost us a lot."

"I would prefer it if there was more information available about Redis. That would make it easier for new beginners. Currently, there is a lack of resources."

"In future releases, I would like Redis to provide its users with an option like schema validation. Currently, the solution lacks to offer such functionality."

"Sometimes, we use Redis as a cluster, and the clusters can sometimes suffer some issues and bring some downtime to your application."

More Redis cons

"If you don't have the best computing resources, then it's not easy to set up. In such cases, we have to run ScyllaDB in developer mode."

"It seems we have better options available. So probably don't go for ScyllaDB. The reason is, first, it's very high. It's not as straightforward as, like, Postgres or ClickHouse to set up. It requires a complex setup."

"ScyllaDB needs to improve its handling of transactions."

"The product needs to add more features and improve the response time of the support team."

"Data export, along with how we can purchase the data periodically, needs to be improved so that the storage is within control. Then, we could optimize it even better."

"The documentation is not well established for new developers."

"We faced several challenges while integrating ScyllaDB into our AWS environment. One common issue was that a security port wasn’t opened on one node, preventingdata synchronization across clusters. We noticed the data wasn’t syncing correctly when we saw different record counts in other regions. After investigating, we found that the port was closed in one AWS region. Once we opened the port, the data synchronization across all nodes resumed as expected."

"Some of the regular commands in NoSQL do not work."

More ScyllaDB cons

Pricing and Cost Advice

"Redis is not an overpriced solution."

"Redis is an open-source product."

"Redis is an open-source solution. There are not any hidden fees."

"We saw an ROI. It made the processing of our transactions faster."

"The tool is open-source. There are no additional costs."

"It's a bit expensive."

"It is an expensive tool compared to its competitor."

"The paid version of ScyllaDB is not that expensive. The main advantage of the paid version is direct support from the ScyllaDB team, which can resolve issues faster—typically within a day, compared to two to three days with the free version. The paid version also offers better guidance and support, while the free version has good documentation and is more high-level. I’d rate their support team nine out of ten because of the quick responses from their community."

"It's free."

"I believe that there is a yearly licensing cost and that it's expensive."

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Top Industries

By visitors reading reviews

Financial Services Firm

23%

Computer Software Company

14%

Educational Organization

Comms Service Provider

Computer Software Company

17%

Financial Services Firm

14%

Comms Service Provider

Hospitality Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

Questions from the Community

What do you like most about Redis?

Redis is better tested and is used by large companies. I haven't found a direct alternative to what Redis offers. Plus, there are a lot of support and learning resources available, which help you u...

What needs improvement with Redis?

There are a few areas where Redis could improve. The pub-sub capabilities could be optimized to handle network sessions better, as there are challenges with maintaining sessions between clients and...

What is your primary use case for Redis?

We use Redis ( /products/redis-reviews ) for several purposes, including ranking, counting, saving, sharing, caching, and setting time-to-live notifications. These functionalities are employed acro...

What do you like most about Scylla?

The performance aspects of Scylla are good, as always... A good point about Scylla is that it can be used extensively.

What is your experience regarding pricing and costs for Scylla?

The enterprise version comes with a cost of about $300,000 per year, however, we did not experience the promised compaction benefits.

What needs improvement with Scylla?

From a sales pitch standpoint, it needs to deliver on promises of better ROI and compaction. Additionally, ticketing and support systems could be improved due to the time it takes to get answers. T...

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Product Reports

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Redis

June 2025

Download ScyllaDB product report

May 2025

Also Known As

Redis Enterprise

No data available

Overview

Redis is a high-performance, scalable, and easy-to-use caching solution that improves application performance. It is also used for session management, real-time analytics, and as a message broker.

Redis's valuable features include its ability to handle large amounts of data quickly, its simplicity and straightforward setup process, and its support for various data structures, providing flexibility for different use cases.

RedisLabs

ScyllaDB is an open-source, distributed NoSQL wide-column datastore (a highly scalable NoSQL database), known for its compatibility with Apache Cassandra, and for supporting the same protocols as Cassandra (CQL and Thrift) and the same file formats (SSTable). ScyllaDB is designed for high throughput and low latency, making it suitable for data-intensive applications. Its architecture allows it to deliver remarkable performance on a massive scale, utilizing modern multi-core servers to their fullest potential

ScyllaDB utilizes a similar architecture, data format, and query language as Apache Cassandra, providing compatibility while dramatically improving speed and scalability.

The key advantages of ScyllaDB include its rewritten C++ implementation that eliminates Cassandra's expensive Java garbage collection pauses, built-in caching for fast access to frequently used data, and shard-aware drivers for direct routing of requests. This enables it to fully leverage modern multi-core servers for massive parallelism. The community is active and the latest major release, ScyllaDB Enterprise 2023.1.0 LTS, incorporates over 5,000 code commits focused on enhancing capabilities.

ScyllaDB supports wide-column data modeling for fast read performance at scale. It includes integrated monitoring and management tools to track database health and performance. For organizations looking to boost speed and reduce costs for NoSQL workloads, ScyllaDB offers a drop-in replacement for Cassandra that delivers lower latency, higher throughput, and increased scalability with fewer nodes. Its seamless migration path makes switching from Cassandra seamless, requiring minimal code changes.

Sample Customers

1. Twitter 2. GitHub 3. StackOverflow 4. Pinterest 5. Snapchat 6. Craigslist 7. Digg 8. Weibo 9. Airbnb 10. Uber 11. Slack 12. Trello 13. Shopify 14. Coursera 15. Medium 16. Twitch 17. Foursquare 18. Meetup 19. Kickstarter 20. Docker 21. Heroku 22. Bitbucket 23. Groupon 24. Flipboard 25. SoundCloud 26. BuzzFeed 27. Disqus 28. The New York Times 29. Walmart 30. Nike 31. Sony 32. Philips

IBM, Investing.com, mParticle, Comcast, GE, Fanatics, Ola, CERN, adgear, Samsung