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DBMS > EJDB vs. Newts vs. OpenTenBase vs. OpenTSDB

System Properties Comparison EJDB vs. Newts vs. OpenTenBase vs. OpenTSDB

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonNewts  Xexclude from comparisonOpenTenBase  Xexclude from comparisonOpenTSDB  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Time Series DBMS based on CassandraAn enterprise-level distributed HTAP open source database based on PostgreSQLScalable Time Series DBMS based on HBase
Primary database modelDocument storeTime Series DBMSRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#296  Overall
#44  Document stores
Score0.07
Rank#375  Overall
#41  Time Series DBMS
Score0.08
Rank#370  Overall
#156  Relational DBMS
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Websitegithub.com/­Softmotions/­ejdbopennms.github.io/­newtsgithub.com/­OpenTenBase/­OpenTenBase
www.opentenbase.org
opentsdb.net
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdgithub.com/­OpenNMS/­newts/­wikidocs.opentenbase.org
docs.opentenbase.org/­en
opentsdb.net/­docs/­build/­html/­index.html
DeveloperSoftmotionsOpenNMS GroupOpenAtom Foundation, previously Tencentcurrently maintained by Yahoo and other contributors
Initial release201220142011
Current release2.5, January 2024
License infoCommercial or Open SourceOpen Source infoGPLv2Open Source infoApache 2.0Open Source infoBSD-3Open Source infoLGPL
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaJava
Server operating systemsserver-lessLinux
OS X
Windows
LinuxLinux
Windows
Data schemeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesyesnumeric 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 indexesnonoyesno
SQL infoSupport of SQLnonoyesno
APIs and other access methodsin-process shared libraryHTTP REST
Java API
HTTP API
Telnet API
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
JavaC
Go
Java
PHP
Python
Erlang
Go
Java
Python
R
Ruby
Server-side scripts infoStored proceduresnonono
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on CassandraShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on Cassandrayesselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possiblenoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDno
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyesyes
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.nono
User concepts infoAccess controlnonoAccess rights for users, groups and roles according to SQL-standardno

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More resources
EJDBNewtsOpenTenBaseOpenTSDB
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