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DBMS > NCache vs. OpenTSDB vs. PostGIS vs. Prometheus vs. Quasardb

System Properties Comparison NCache vs. OpenTSDB vs. PostGIS vs. Prometheus vs. Quasardb

Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonOpenTSDB  Xexclude from comparisonPostGIS  Xexclude from comparisonPrometheus  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreScalable Time Series DBMS based on HBaseSpatial extension of PostgreSQLOpen-source Time Series DBMS and monitoring systemDistributed, high-performance timeseries database
Primary database modelKey-value storeTime Series DBMSSpatial DBMSTime Series DBMSTime Series DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.94
Rank#195  Overall
#29  Key-value stores
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Score8.42
Rank#47  Overall
#2  Time Series DBMS
Score0.14
Rank#332  Overall
#29  Time Series DBMS
Websitewww.alachisoft.com/­ncacheopentsdb.netpostgis.netprometheus.ioquasar.ai
Technical documentationwww.alachisoft.com/­resources/­docsopentsdb.net/­docs/­build/­html/­index.htmlpostgis.net/­documentationprometheus.io/­docsdoc.quasar.ai/­master
DeveloperAlachisoftcurrently maintained by Yahoo and other contributorsquasardb
Initial release20052011200520152009
Current release5.3.3, April 20243.4.2, February 20243.14.1, January 2024
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availableOpen Source infoLGPLOpen Source infoGPL v2.0Open Source infoApache 2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#, .NET, .NET Core, JavaJavaCGoC++
Server operating systemsLinux
Windows
Linux
Windows
Linux
Windows
BSD
Linux
OS X
Windows
Data schemeschema-freeschema-freeyesyesschema-free
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counternumeric data for metrics, strings for tagsyesNumeric data onlyyes infointeger and binary
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.nonoyesno infoImport of XML data possibleno
Secondary indexesyesnoyesnoyes infowith tags
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.noyesnoSQL-like query language
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
HTTP API
Telnet API
RESTful HTTP/JSON APIHTTP API
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
Erlang
Go
Java
Python
R
Ruby
.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRnouser defined functionsnono
Triggersyes infoNotificationsnoyesnono
Partitioning methods infoMethods for storing different data on different nodesyesSharding infobased on HBaseyes infobased on PostgreSQLShardingSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelselectable replication factor infobased on HBaseyes infobased on PostgreSQLyes infoby FederationSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency infobased on HBaseImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynonoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingnoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnononoyes infoTransient mode
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)noyes infobased on PostgreSQLnoCryptographically strong user authentication and audit trail
More information provided by the system vendor
NCacheOpenTSDBPostGISPrometheusQuasardb
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
NCacheOpenTSDBPostGISPrometheusQuasardb
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