DBMS > 4D vs. RocksDB vs. RRDtool

System Properties Comparison 4D vs. RocksDB vs. RRDtool

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Editorial information provided by DB-Engines
Name	4D former name: 4th Dimension  Xexclude from comparison	RocksDB  Xexclude from comparison	RRDtool  Xexclude from comparison
Description	Application development environment with integrated database management system	Embeddable persistent key-value store optimized for fast storage (flash and RAM)	Industry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. The data is stored in a circular buffer, thus the system storage footprint remains constant over time.
Primary database model	Relational DBMS	Key-value store	Time Series DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 2.83 Rank #106   Overall #55   Relational DBMS	Score 3.94 Rank #88   Overall #15   Key-value stores	Score 2.43 Rank #116   Overall #7   Time Series DBMS
Website	www.4d.com	rocksdb.org	oss.oetiker.ch/­rrdtool
Technical documentation	livedoc.4d.com	github.com/­facebook/­rocksdb/­wiki	oss.oetiker.ch/­rrdtool/­doc
Developer	4D, Inc	Facebook, Inc.	Tobias Oetiker
Initial release	1984	2013	1999
Current release	v18 R5, January 2021	7.3.1, June 2022	1.7.2, May 2019
License Commercial or Open Source	commercial	Open Source BSD	Open Source GPL V2 and FLOSS
Cloud-based only Only available as a cloud service	no	no	no
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Implementation language		C++	C Implementations in Java (e.g. RRD4J) and C# available
Server operating systems	OS X Windows		HP-UX Linux
Data scheme	yes	schema-free	yes
Typing predefined data types such as float or date	yes	no	Numeric data only
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.	yes	no	no Exporting into and restoring from XML files possible
Secondary indexes	yes	no	no
SQL Support of SQL	yes close to SQL 92	no	no
APIs and other access methods	ODBC RESTful HTTP API by using 4D Mobile SOAP webservices	C++ API Java API	in-process shared library Pipes
Supported programming languages	4D proprietary IDE PHP	C++ Java	C with librrd library C# with a different implementation of RRDTool Java with a different implementation of RRDTool JavaScript (Node.js) with a different implementation of RRDTool Lua Perl PHP with a wrapper library Python Ruby
Server-side scripts Stored procedures	yes	no	no
Triggers	yes	no	no
Partitioning methods Methods for storing different data on different nodes	none	none	none
Replication methods Methods for redundantly storing data on multiple nodes	Multi-source replication	none	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency		none
Foreign keys Referential integrity	yes	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	yes	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes by using the rrdcached daemon
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	yes
User concepts Access control	Users and groups	no	no
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More resources
	4D former name: 4th Dimension	RocksDB	RRDtool
DB-Engines blog posts	MySQL, PostgreSQL and Redis are the winners of the March ranking 2 March 2016, Paul Andlinger show all