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DBMS > chDB vs. DataFS vs. OpenTSDB

System Properties Comparison chDB vs. DataFS vs. OpenTSDB

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonDataFS  Xexclude from comparisonOpenTSDB  Xexclude from comparison
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Scalable Time Series DBMS based on HBase
Primary database modelRelational DBMSObject oriented DBMSTime Series DBMS
Secondary database modelsTime Series DBMSGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.05
Rank#354  Overall
#150  Relational DBMS
Score0.01
Rank#376  Overall
#18  Object oriented DBMS
Score1.58
Rank#143  Overall
#12  Time Series DBMS
Websitegithub.com/­chdb-io/­chdbnewdatabase.comopentsdb.net
Technical documentationdoc.chdb.iodev.mobiland.com/­Overview.xspopentsdb.net/­docs/­build/­html/­index.html
DeveloperMobiland AGcurrently maintained by Yahoo and other contributors
Initial release202320182011
Current release1.1.263, October 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source infoLGPL
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemsserver-lessWindowsLinux
Windows
Data schemeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)schema-free
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tags
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.nono
Secondary indexesnono
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)nono
APIs and other access methods.NET Client API
Proprietary client DLL
WinRT client
HTTP API
Telnet API
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
.Net
C
C#
C++
VB.Net
Erlang
Go
Java
Python
R
Ruby
Server-side scripts infoStored proceduresno
Triggersno, except callback-events from server when changes happenedno
Partitioning methods infoMethods for storing different data on different nodesProprietary Sharding systemSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlWindows-Profileno

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More resources
chDBDataFSOpenTSDB
DB-Engines blog posts

Time Series DBMS are the database category with the fastest increase in popularity
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