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: March 2025).

Redis vs. ScyllaDB

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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

8.1

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 March 2025, in the NoSQL Databases category, the mindshare of Redis is 4.9%, up from 0.0% compared to the previous year. The mindshare of ScyllaDB is 10.3%, up from 9.9% 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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ArpitShah

Software Analyst at CLSA

Self-hosting complexity and the way ScyllaDB counts operations can be confusing and may not reflect actual usage

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. The other problem is what they call. For example, they will say that for up to a million operations, you experience this. But the problem is if they have nine servers, then your one operation is counted as nine operations, not one. So, even though you have one write, they count it as nine. It's like it's just not false premises. You can always host it yourself, but then it's way more complex. The benefits are not substantially more than those of other databases. It's not that it's slow or anything. It's good enough and all. But it's just that ClickHouse or other databases are simpler and faster and probably provide more features. So, I kind of burn out from the database, and that's why I would keep it small.

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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

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

"It is particularly efficient for cloud-based storage and operations."

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

"What I like best about Redis is its fast and easy use. It has interesting algorithms like HyperLogLog and provides useful features. It's also good for implementing scalable rate limiting."

"Redis is a simple, powerful, and fast solution."

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

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

"Redis is good for distributed caching management."

More Redis pros

"The product's most valuable features are efficiency and reliability."

"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."

"Firstly, if I update something, it's most likely to finish within milliseconds."

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

"The database is easy to use, fast, and accessible for applications because the API is straightforward."

"ScyllaDB is fast and reliable. It has good performance."

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

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

More ScyllaDB pros

Cons

"The only thing is the lack of a GUI application. There was a time when we needed to resolve an issue in production. If we had a GUI, it would have been easier."

"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."

"For the PubSub feature, we had to create our own tools to monitor the events."

"Redis should have an option to operate without Docker on a local PC."

"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."

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

"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."

"The solution's pricing for a local installation is very expensive."

More Redis cons

"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."

"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."

"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."

"The documentation of Scylla is an area with shortcomings and needs to be improved."

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

"ScyllaDB needs to improve its handling of transactions."

"From a sales pitch standpoint, it needs to deliver on promises of better ROI and compaction."

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

More ScyllaDB cons

Pricing and Cost Advice

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

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

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

"Redis is not an overpriced solution."

"Redis is an open-source product."

"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 a bit expensive."

"It's free."

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

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

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Top Industries

By visitors reading reviews

Financial Services Firm

22%

Computer Software Company

15%

Educational Organization

Manufacturing Company

Computer Software Company

18%

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?

Redis could be improved by introducing a GUI to display key-value pair database information, as it is currently a CLI tool with no visual representation. Additionally, better documentation is neede...

What is your primary use case for Redis?

I use Redis as a tool in building projects, specifically for in-memory caching. My backend API uses Redis to cache information retrieved from the database.

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

Redis

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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

Redis vs. ScyllaDB