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What is Scylla?

ScyllaDB headquartered in Palo Alto offers Scylla, a NoSQL database alternative to Apache Cassandra available in Enterprise and Cloud DBaaS editions.

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What is Scylla?

ScyllaDB headquartered in Palo Alto offers Scylla, a NoSQL database alternative to Apache Cassandra available in Enterprise and Cloud DBaaS editions.

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Product Details

What is Scylla?

Scylla is presented as a highly available, scalable, performant NoSQL database. Scylla is generally used as a key-value store or wide-column model database.

Close-to-the-Hardware Design — Scylla uses an asynchronous, non-blocking design that takes advantage of modern hardware architecture. It provides throughput for taxing workloads.

Consistent, Low Latencies — Scylla’s underlying architecture enables it to deliver P99 latencies in the low single-digit milliseconds, even under extreme load. Maintenance operations do not slow performance.

Self-Optimizing — Scylla has a unified cache and self-optimizes its performance, removing complexity from the system. Written in C++, it does not require JVM tuning.

Highly Scalable — Scylla scales both horizontally and vertically. It can scale out to hundreds of nodes and its shard-per-core shared-nothing architecture scales up to take advantage of multi-core servers.

Low Total Cost of Ownership — Scylla makes full use of hardware infrastructure to minimize node count and reduce administrative overhead.

DBaaS — Scylla Cloud is a managed Database-as-a-Service (DBaaS). It runs on AWS and is certified for use in AWS Outposts, and now has a beta for GCP.

API Compatible with Apache Cassandra and Amazon DynamoDB

Scylla Features

NoSQL Databases Features

  • Supported: Performance
  • Supported: Availability
  • Supported: Concurrency
  • Supported: Security
  • Supported: Scalability
  • Supported: Data model flexibility
  • Supported: Deployment model flexibility

Scylla Videos

Comcast on the advantages of the Scylla NoSQL database
Introducing Scylla Cloud

Scylla Technical Details

Deployment TypesOn-premise, Software as a Service (SaaS), Cloud, or Web-Based
Operating SystemsLinux
Mobile ApplicationNo
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Reviews and Ratings


Attribute Ratings


(1-1 of 1)
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Kirk Morales | TrustRadius Reviewer
Score 10 out of 10
Vetted Review
Verified User
Scylla is used by our engineering team as a foundational datastore for our production platform. It allows us to store and retrieve profiles with minimal latency, allowing us to serve superior personalized experiences quickly on customers' websites. With multiple high-volume microservices depending on this data at the same time, Scylla allows us to consistently deliver on low latency promises.
  • Low-latency reads
  • CQL has a familiar syntax
  • Parity with Cassandra
  • Practical features
  • Better documentation for best practices (e.g., how to effectively use connection pooling)
NoSQL Databases (7)
Data model flexibility
Deployment model flexibility
Scylla is well suited for high-throughput scenarios where keyed data must be read or written with consistently low latency. It's less appropriate for use cases requiring relational queries, secondary indexes, or more structured data sets.
  • Addresses latency requirements of our platform
Scylla has a quick learning curve (same as Cassandra) compared to other proprietary solutions like BigTable. It supports higher throughput and lower latency that other NoSQL databases like MongoDB, which sacrifice those features for more flexibility and unique features.
Very easy-to-understand syntax--uses CQL (same as Cassandra), which has many similarities to standard SQL. There are some gotchas, however, that must be known during schema development.
The Scylla cloud support team is incredibly responsive and proactive.
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