DB-EnginesCrateDB bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > BoltDB vs. Cassandra vs. Postgres-XL vs. RocksDB

System Properties Comparison BoltDB vs. Cassandra vs. Postgres-XL vs. RocksDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonCassandra  Xexclude from comparisonPostgres-XL  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionAn embedded key-value store for Go.Wide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelKey-value storeWide column storeRelational DBMSKey-value store
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.56
Rank#200  Overall
#34  Key-value stores
Score123.23
Rank#10  Overall
#1  Wide column stores
Score0.42
Rank#217  Overall
#103  Relational DBMS
Score2.52
Rank#103  Overall
#19  Key-value stores
Websitegithub.com/­boltdb/­boltcassandra.apache.orgwww.postgres-xl.orgrocksdb.org
Technical documentationcassandra.apache.org/­doc/­latestwww.postgres-xl.org/­documentationgithub.com/­facebook/­rocksdb/­wiki
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookFacebook, Inc.
Initial release201320082014 infosince 2012, originally named StormDB2013
Current release3.11.5, October 201910 R1, October 20186.3.6, October 2019
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Source infoApache version 2Open Source infoMozilla public licenseOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJavaCC++
Server operating systemsBSD
Linux
OS X
Solaris
Windows
BSD
Linux
OS X
Windows
Linux
macOS
Data schemeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesyesno
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.nonoyes infoXML type, but no XML query functionalityno
Secondary indexesnorestricted infoonly equality queries, not always the best performing solutionyesno
SQL infoSupport of SQLnoSQL-like SELECT, DML and DDL statements (CQL)yes infodistributed, parallel query executionno
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
C++ API
Java API
Supported programming languagesGoC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C++
Java
Server-side scripts infoStored proceduresnonouser defined functionsno
Triggersnoyesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infono "single point of failure"horizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infoRepresentation of geographical distribution of servers is possiblenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesno infoAtomicity and isolation are supported for single operationsACID infoMVCCyes
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nononoyes
User concepts infoAccess controlnoAccess rights for users can be defined per objectfine grained access rights according to SQL-standardno
More information provided by the system vendor
BoltDBCassandraPostgres-XLRocksDB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
» more

Instaclustr: Fully Hosted and Managed Apache Cassandra
» more

DataStax Enterprise: Apache Cassandra for enterprises.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
BoltDBCassandraPostgres-XLRocksDB
DB-Engines blog posts

Cassandra keeps climbing the ranks of the DB-Engines Ranking
3 May 2016, Matthias Gelbmann

Oracle is the DBMS of the Year
5 January 2016, Paul Andlinger, Matthias Gelbmann

Winners, losers and an attractive newcomer in Novembers DB-Engines ranking
2 November 2015, Paul Andlinger

show all

Conferences and events

DataStax Accelerate
San Diego, California, USA, 11-13 May 2020

Recent citations in the news

Key-Value Stores Market Share, Key Players, Growth Forecast- Global Industry Outlook
12 November 2019, Montana Ledger

Automate easier and build pipelines in Gaia
12 July 2018, JAXenter

Global Key-Value Stores Market Report to Share Key Aspects of the Industry with the details of Influence Factors
14 October 2019, Daily Criticism

Gartner Names Demisto 'Cool Vendor' in Security Ops & Vulnerability Mgt
15 May 2018, 107.180.56.147

provided by Google News

All things database: Q&A with DataStax's Jonathan Ellis
4 November 2019, TechRadar

ScyllaDB set to improve NoSQL database performance
8 November 2019, TechTarget

[Techie Tuesday] Meet Prashant Malik, the man who co-built Cassandra, the database that powers Facebook, Insta
5 November 2019, YourStory

DataStax to Speak at Big Data LDN and Host Cassandra Meetup
8 November 2019, Business Wire

Introduction to Amazon DynamoDB for Cassandra developers
6 November 2019, idk.dev

provided by Google News

Building a scalable PostgreSQL solution
14 April 2019, Packt Hub

Interview with Frank Huerta and Mason Sharp on PostGres-XL
13 May 2014, opensource.com

When PostgreSQL Doesn't Scale Well Enough
18 April 2016, DZone News

PostgreSQL vs. Hadoop
20 August 2016, DZone News

MongoDB, Security, and How Not to Get Stung
24 February 2016, DZone News

provided by Google News

AMD EPYC vs. Intel Xeon Cascadelake With Facebook's RocksDB Database
17 October 2019, Phoronix

Toshiba Memory America Optimizes RocksDB for SSDs
1 August 2019, Business Wire

Toshiba Memory America Highlights TRocksDB at SNIA's 2019 Storage Developer Conference
23 September 2019, Business Wire

AMD Ryzen 7 3700X + Ryzen 9 3900X Offer Incredible Linux Performance But With A Big Caveat Review
7 July 2019, Phoronix

Alluxio Bolsters Data Orchestration for Hybrid Cloud World
11 July 2019, Datanami

provided by Google News

Job opportunities

Big Data Developer
Verizon, Irving, TX

Big Data Developer
Forrester, Cambridge, MA

ETL Developer, Business Intelligence
vitaMedMD LLC, Boca Raton, FL

Senior Lead Database Engineer
S&P Global, Princeton, NJ

Data Visualization Developer
CipherTrace, San Francisco Bay Area, CA

MongoDB Engineer - remote worldwide
Percona, Remote

Software Engineer, Database Engineering
Facebook, Menlo Park, CA

Technical Program Manager, Product & Platform
Facebook, Menlo Park, CA

Backend API Developer – BigData / NoSQL
Highbrow Technologies, Quincy, MA

Sr. Software Storage Engineer
Stellus Technologies, San Jose, CA

jobs by Indeed




Share this page

Featured Products

RavenDB logo

Setup a fully managed RavenDB Cloud Database in minutes. Enjoy hosting, management, backups all in one place.
Grab a Free Instance


Datastax logo

Build data-driven applications that set the standard for performance, availability,
& scale with DataStax.
Learn more.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Redis logo

Hosted, serverless DBaaS
in 3 steps.

30MB Free!
Start now.

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Present your product here