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DBMS > Citus vs. PostgreSQL vs. RRDtool

System Properties Comparison Citus vs. PostgreSQL vs. RRDtool

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Editorial information provided by DB-Engines
NameCitus  Xexclude from comparisonPostgreSQL  Xexclude from comparisonRRDtool  Xexclude from comparison
DescriptionScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQLWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLIndustry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.
Primary database modelRelational DBMSRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Time Series DBMS
Secondary database modelsDocument storeDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.34
Rank#146  Overall
#72  Relational DBMS
Score553.52
Rank#4  Overall
#4  Relational DBMS
Score2.71
Rank#100  Overall
#6  Time Series DBMS
Websitewww.citusdata.comwww.postgresql.orgoss.oetiker.ch/­rrdtool
Technical documentationdocs.citusdata.comwww.postgresql.org/­docsoss.oetiker.ch/­rrdtool/­doc
DeveloperPostgreSQL Global Development Group infowww.postgresql.org/­developerTobias Oetiker
Initial release20101989 info1989: Postgres, 1996: PostgreSQL1999
Current release8.1, December 201813.2 , February 20211.7.2, May 2019
License infoCommercial or Open SourceOpen Source infoAGPL, commercial license also availableOpen Source infoBSDOpen Source infoGPL V2 and FLOSS
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
ScaleGrid for PostgreSQL: Fully managed PostgreSQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.
Implementation languageCCC infoImplementations in Java (e.g. RRD4J) and C# available
Server operating systemsLinuxFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
HP-UX
Linux
Data schemeyesyesyes
Typing infopredefined data types such as float or dateyesyesNumeric data only
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.yes infospecific XML type available, but no XML query functionalityyes infospecific XML-type available, but no XML query functionality.no infoExporting into and restoring from XML files possible
Secondary indexesyesyesno
SQL infoSupport of SQLyes infostandard, with numerous extensionsyes infostandard with numerous extensionsno
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
in-process shared library
Pipes
Supported programming languages.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.user defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.no
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesShardingpartitioning by range, list and (since PostgreSQL 11) by hashnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication infoother methods possible by using 3rd party extensionsSource-replica replication infoother methods possible by using 3rd party extensionsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoby using the rrdcached daemon
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.nonoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardno

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More resources
CitusPostgreSQLRRDtool
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Recent citations in the news

Microsoft acquires Citus Data for its open source PostgreSQL tool
24 January 2019, VentureBeat

Hadoop Big Data Analytics Market Analysis, Trends, Top Manufacturers, Share, Growth, Statistics, Opportunities & Forecast to 2027 – KSU | The Sentinel Newspaper
30 March 2021, KSU | The Sentinel Newspaper

Citus Data Announces Citus Cloud Database Support for HIPAA and SOC 2 Type 2 Compliance
13 November 2018, Business Wire

Database Software Global Market Report 2020-30: Covid 19 Impact and Recovery
16 September 2020, GlobeNewswire

Microsoft Expands Azure PostgreSQL Moxy Through Citus Data Purchase
30 January 2019, Data Center Knowledge

provided by Google News

Rockset Enables Real-Time Analytics for MySQL and PostgreSQL
17 April 2021, DevPro Journal

Guest View: OLAP + OLTP = ...PostgreSQL?
12 April 2021, SDTimes.com

Rockset takes a deeper dive into enterprise data pool
15 April 2021, ZDNet

Google Cloud Support Now Available on Crunchy Bridge
19 April 2021, PRNewswire

Crunchy Certified PostgreSQL 12 Achieves Common Criteria Evaluation Assurance Level (EAL) 2+ Certification
29 March 2021, PRNewswire

provided by Google News

Bare-Bones Monitoring with Monit and RRDtool
21 March 2019, Linux Journal

How to install and use RRDTool to speed up MRTG monitoring
24 June 2009, SearchDataCenter.com

The 16 Best Free and Open Source Network Monitoring Tools for 2020
8 April 2020, Solutions Review

How to install InfluxDB on Ubuntu 20.04 / 18.0 LTS - Linux Shout
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