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DBMS > NCache vs. OpenTSDB vs. SAP IQ vs. XTDB

System Properties Comparison NCache vs. OpenTSDB vs. SAP IQ vs. XTDB

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonOpenTSDB  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreScalable Time Series DBMS based on HBaseColumnar RDBMS optimized for Big Data analyticsA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelKey-value storeTime Series DBMSRelational DBMS infocolumn-orientedDocument store
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.96
Rank#195  Overall
#29  Key-value stores
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score2.64
Rank#108  Overall
#52  Relational DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websitewww.alachisoft.com/­ncacheopentsdb.netwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationwww.alachisoft.com/­resources/­docsopentsdb.net/­docs/­build/­html/­index.htmlhelp.sap.com/­docs/­SAP_IQwww.xtdb.com/­docs
DeveloperAlachisoftcurrently maintained by Yahoo and other contributorsSAP, formerly SybaseJuxt Ltd.
Initial release2005201119942019
Current release5.3.3, April 202416.1 SPS04, April 20191.19, September 2021
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availableOpen Source infoLGPLcommercialOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#, .NET, .NET Core, JavaJavaClojure
Server operating systemsLinux
Windows
Linux
Windows
AIX
HP-UX
Linux
Solaris
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeschema-freeyesschema-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 tagsyesyes, extensible-data-notation format
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 indexesyesnoyesyes
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.noyeslimited SQL, making use of Apache Calcite
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
HTTP API
Telnet API
ADO.NET
JDBC
ODBC
RESTful HTTP API
HTTP REST
JDBC
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
Erlang
Go
Java
Python
R
Ruby
C
C#
C++
Java
Perl
PHP
Python
Ruby
Clojure
Java
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRnoyesno
Triggersyes infoNotificationsnoyesno
Partitioning methods infoMethods for storing different data on different nodesyesSharding infobased on HBaseshared disk or shared nothing architectures with SAP IQ Multiplexernone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelselectable replication factor infobased on HBaseSAP/Sybase Replication Serveryes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoHadoop integrationno
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 Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)nofine grained access rights according to SQL-standard
More information provided by the system vendor
NCacheOpenTSDBSAP IQ infoformer name: Sybase IQXTDB infoformerly named Crux
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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More resources
NCacheOpenTSDBSAP IQ infoformer name: Sybase IQXTDB infoformerly named Crux
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