DBMS > Cassandra vs. ScyllaDB vs. VictoriaMetrics
System Properties Comparison Cassandra vs. ScyllaDB vs. VictoriaMetrics
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|Editorial information provided by DB-Engines|
|Name||Cassandra Xexclude from comparison||ScyllaDB Xexclude from comparison||VictoriaMetrics Xexclude from comparison|
|Description||Wide-column store based on ideas of BigTable and DynamoDB Optimized for write access||Cassandra and DynamoDB compatible wide column store||A fast, cost-effective and scalable Time Series DBMS and monitoring solution|
|Primary database model||Wide column store||Wide column store||Time Series DBMS|
|Secondary database models||Key-value store|
|Developer||Apache Software Foundation Apache top level project, originally developped by Facebook||ScyllaDB||VictoriaMetrics|
|Current release||4.1.0, December 2022||ScyllaDB Open Source 5.0, July 2022||v1.83, November 2022|
|License Commercial or Open Source||Open Source Apache version 2||Open Source Open Source (AGPL), commercial license available||Open Source Apache Version 2.0|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS|
|Server operating systems||BSD|
|Typing predefined data types such as float or date||yes||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no||no||no|
|Secondary indexes||restricted only equality queries, not always the best performing solution||yes cluster global secondary indices|
|SQL Support of SQL||SQL-like SELECT, DML and DDL statements (CQL)||SQL-like DML and DDL statements (CQL)||no|
|APIs and other access methods||Proprietary protocol CQL (Cassandra Query Language, an SQL-like language)|
|Proprietary protocol (CQL) compatible with CQL (Cassandra Query Language, an SQL-like language)|
RESTful HTTP API (DynamoDB compatible)
InfluxDB Line Protocol
Prometheus Query API
Prometheus Remote Read/Write
|Supported programming languages||C#|
|Server-side scripts Stored procedures||no||yes, Lua||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding no "single point of failure"||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||selectable replication factor Representation of geographical distribution of servers is possible||selectable replication factor Representation of geographical distribution of servers is possible||Synchronous replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
Immediate Consistency can be individually decided for each write operation
Tunable Consistency can be individually decided for each write operation
|Foreign keys Referential integrity||no||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no Atomicity and isolation are supported for single operations||no Atomicity and isolation are supported for single operations||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes in-memory tables||no|
|User concepts Access control||Access rights for users can be defined per object||Access rights for users can be defined per object|
|More information provided by the system vendor|
|Specific characteristics||Apache Cassandra is the leading NoSQL, distributed database management system, well...|
|ScyllaDB is a highly-available, highly-scalable, highly-performant NoSQL database....|
|High performance, horizontally scalable time series database and monitoring solution...|
|Competitive advantages||No single point of failure ensures 100% availability . Operational simplicity for...|
|Highly-performant (efficiently utilizes full resources of a node and network; millions...|
|Specifically designed for highly loaded workloads Addresses most of the scalability...|
|Typical application scenarios||Internet of Things (IOT), fraud detection applications, recommendation engines, product...|
|AdTech ( AdGear , FullContact , Numberly , SAS , SteelHouse , Xandr) Customer Data...|
|When the current monitoring solution can't keep up with increasing workload Kubernetes...|
|Key customers||Apple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...|
|Comcast, Samsung, Medium, Disney+ Hotstar, Discord, Zillow, Grab, OlaCabs, Numberly,...|
|Grammarly, Wix.com, adidas, Sensedia, Brandwatch, CERN, COLOPL, Razorpay See our...|
|Market metrics||Cassandra is used by 40% of the Fortune 100.|
|6k stars and 100+ contributors on GitHub 45M+ downloads Thousands of active users...|
|Licensing and pricing models||Apache licenseÂ Pricing for commercial distributions provided by DataStax and available...|
|ScyllaDB Open Source - free open source software (AGPL) ScyllaDB Enterprise - subscription-based...|
|VictoriaMetrics comes in three versions: an open source version, an Enterprise version...|
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|Related products and services|
|3rd parties||DataStax Cassandra: Zero touch operations, configuration and management with true autoscaling|
CData: Connect to Big Data & NoSQL through standard Drivers.
Instaclustr: Hosted & Managed Apache Cassandra as a Service
Aiven for Apache Cassandra: A truly distributed database that can handle large volumes of writes.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|DB-Engines blog posts|
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|Conferences and events|
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