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DBMS > NSDb vs. Oracle Coherence vs. RocksDB vs. TempoIQ

System Properties Comparison NSDb vs. Oracle Coherence vs. RocksDB vs. TempoIQ

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Editorial information provided by DB-Engines
NameNSDb  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRocksDB  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesOracles in-memory data grid solutionEmbeddable persistent key-value store optimized for fast storage (flash and RAM)Scalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelTime Series DBMSKey-value storeKey-value storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#385  Overall
#40  Time Series DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Score2.84
Rank#97  Overall
#16  Key-value stores
Websitensdb.iowww.oracle.com/­java/­coherencerocksdb.orgtempoiq.com (offline)
Technical documentationnsdb.io/­Architecturedocs.oracle.com/­en/­middleware/­standalone/­coherencegithub.com/­facebook/­rocksdb/­wiki
DeveloperOracleFacebook, Inc.TempoIQ
Initial release2017200720132012
Current release14.1, August 20239.4.0, June 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source infoBSDcommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ScalaJavaC++
Server operating systemsLinux
macOS
All OS with a Java VMLinux
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyes: int, bigint, decimal, stringyesnoyes
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.nononono
Secondary indexesall fields are automatically indexednono
SQL infoSupport of SQLSQL-like query languagenonono
APIs and other access methodsgRPC
HTTP REST
WebSocket
JCache
JPA
RESTful HTTP API
C++ API
Java API
HTTP API
Supported programming languagesJava
Scala
.Net
C++
Java
C
C++
Go
Java
Perl
Python
Ruby
C#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresnononono
Triggersyes infoLive Eventsyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurableyesno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentUsing Apache Luceneyes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlauthentification to access the cache via certificates or http basic authenticationnosimple authentication-based access control

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More resources
NSDbOracle CoherenceRocksDBTempoIQ infoformerly TempoDB
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