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DBMS > Geode vs. Postgres-XL vs. XAP

System Properties Comparison Geode vs. Postgres-XL vs. XAP

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Editorial information provided by DB-Engines
NameGeode  Xexclude from comparisonPostgres-XL  Xexclude from comparisonXAP  Xexclude from comparison
DescriptionGeode is a distributed data container, pooling memory, CPU, network resources, and optionally local disk across multiple processesBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresHigh performant in-memory data grid for mission critical applications. Insight Edge from the same company extends XAP for AI/ML support, BI and other interfaces
Primary database modelKey-value storeRelational DBMSDocument store
Key-value store infoValues are user defined objects
Secondary database modelsDocument storeObject oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.82
Rank#125  Overall
#24  Key-value stores
Score0.53
Rank#215  Overall
#103  Relational DBMS
Score0.92
Rank#166  Overall
#25  Document stores
#30  Key-value stores
Websitegeode.apache.orgwww.postgres-xl.orgwww.gigaspaces.com/­products/­xap
Technical documentationgeode.apache.org/­docswww.postgres-xl.org/­documentationdocs.gigaspaces.com/­latest/­landing.html
DeveloperOriginally developed by Gemstone. They outsourced the project to Apache in 2015 but still deliver a commercial version as Gemfire.Gigaspaces Technologies
Initial release20022014 infosince 2012, originally named StormDB2000
Current release1.1, February 201710 R1, October 201814.5.0, June 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses available as GemfireOpen Source infoMozilla public licenseOpen Source infoApache Version 2; Commercial licenses available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaCJava, C++, .Net
Server operating systemsAll OS with a Java VM infothe JDK (8 or later) is also requiredLinux
macOS
Linux
macOS
Solaris
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyesyes
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.noyes infoXML type, but no XML query functionalityno infoXML can be used for describing objects metadata
Secondary indexesnoyesyes
SQL infoSupport of SQLSQL-like query language (OQL)yes infodistributed, parallel query executionSQL-like query language and DML statements
APIs and other access methodsJava Client API
Memcached protocol
RESTful HTTP API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
GigaSpaces LRMI
Hibernate
JCache
JDBC
JPA
ODBC
RESTful HTTP API
Spring Data
Supported programming languages.Net
All JVM based languages
C++
Groovy
Java
Scala
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
C++
Java
Server-side scripts infoStored proceduresuser defined functionsuser defined functionsyes
Triggersyes infoCache Event Listenersyesyes infoEvent Listeners
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningSharding infoHash based
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replicationMaster-master replication infosynchronous or asynchronous
Master-slave replication infosynchronous or asynchronous
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infoMap-Reduce pattern can be built with XAP task executors
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency infoConsistency level configurable: ALL, QUORUM, ANY
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes, on a single nodeACID infoMVCCACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlAccess rights per client and object definablefine grained access rights according to SQL-standardRole-based access control

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More resources
GeodePostgres-XLXAP
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