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DBMS > Apache Cassandra vs. Blueflood vs. CockroachDB

System Properties Comparison Apache Cassandra vs. Blueflood vs. CockroachDB

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Editorial information provided by DB-Engines
NameApache Cassandra  Xexclude from comparisonBlueflood  Xexclude from comparisonCockroachDB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessScalable TimeSeries DBMS based on CassandraCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.
Primary database modelWide column storeTime Series DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score108.05
Rank#11  Overall
#1  Wide column stores
Score0.06
Rank#353  Overall
#36  Time Series DBMS
Score3.90
Rank#68  Overall
#36  Relational DBMS
Websitecassandra.apache.orgblueflood.iowww.cockroachlabs.com
Technical documentationcassandra.apache.org/­doc/­latestgithub.com/­rax-maas/­blueflood/­wikiwww.cockroachlabs.com/­docs
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookRackspaceCockroach Labs
Initial release200820132015
Current release5.0-rc1, July 202424.1.0, May 2024
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache 2.0Open Source infoApache 2.0, commercial license available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaGo
Server operating systemsBSD
Linux
OS X
Windows
Linux
OS X
Linux
macOS
Windows
Data schemeschema-freepredefined schemedynamic schema
Typing infopredefined data types such as float or dateyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionnoyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noyes, wire compatible with PostgreSQL
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
HTTP RESTJDBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
Server-side scripts infoStored proceduresnonono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding infobased on Cassandrahorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFT
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleselectable replication factor infobased on CassandraMulti-source replication using RAFT
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonono
User concepts infoAccess controlAccess rights for users can be defined per objectnoRole-based access control
More information provided by the system vendor
Apache CassandraBluefloodCockroachDB
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More resources
Apache CassandraBluefloodCockroachDB
Recent citations in the news

Best practices for running Apache Cassandra with Amazon EBS
8 November 2024, Amazon Web Services (AWS)

IBM plans to buy open source Cassandra wrangler DataStax
25 February 2025, theregister.com

Apache Cassandra survey highlights growing adoption for AI workloads
11 November 2024, Blocks and Files

New Apache Cassandra 5.0 gives open source NoSQL database a scalability and performance boost
6 September 2024, VentureBeat

IBM to buy Cassandra specialist DataStax
25 February 2025, The Stack

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2 October 2024, Channel Insider

Now CockroachDB Ditches Open-Source License
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CockroachDB scurries off to proprietary software land
23 August 2024, theregister.com

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