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DBMS > Hazelcast vs. PostgreSQL

System Properties Comparison Hazelcast vs. PostgreSQL

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Editorial information provided by DB-Engines
NameHazelcast  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionA widely adopted in-memory data gridWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelKey-value storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store infoJSON support with IMDG 3.12Document store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score10.06
Rank#48  Overall
#5  Key-value stores
Score620.46
Rank#4  Overall
#4  Relational DBMS
Websitehazelcast.comwww.postgresql.org
Technical documentationhazelcast.org/­imdg/­docswww.postgresql.org/­docs
DeveloperHazelcastPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release20081989 info1989: Postgres, 1996: PostgreSQL
Current release5.1, March 202214.5, August 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
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Implementation languageJavaC
Server operating systemsAll OS with a Java VMFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeschema-freeyes
Typing infopredefined data types such as float or dateyesyes
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.yes infothe object must implement a serialization strategyyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like query languageyes infostandard with numerous extensions
APIs and other access methodsJCache
JPA
Memcached protocol
RESTful HTTP API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyes infoEvent Listeners, Executor Servicesuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyes infoEventsyes
Partitioning methods infoMethods for storing different data on different nodesShardingpartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated MapSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmImmediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataone or two-phase-commit; repeatable reads; read commitedACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlRole-based access controlfine grained access rights according to SQL-standard

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More resources
HazelcastPostgreSQL
DB-Engines blog posts

Snowflake is the DBMS of the Year 2021
3 January 2022, Paul Andlinger, Matthias Gelbmann

Driving the Future of PostgreSQL Adoption
15 November 2021,  Umair Shahid, Percona (sponsor) 

The Inexorable Rise of PostgreSQL
24 September 2021,  Matt Yonkovit, Percona (sponsor) 

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Recent citations in the news

Hazelcast launches serverless offering to accelerate real-time applications
28 July 2022, VentureBeat

Hazelcast CEO looks to grow real-time data platform
5 August 2022, TechTarget

Hazelcast Announces a New Unified Platform with Version 5.0
13 December 2021, InfoQ.com

Hazelcast Announces New Executive Hires as Enterprises Demand Real-Time Solutions
11 May 2022, GlobeNewswire

Hazelcast's streaming data in-memory software features hopping, tumbling, and tiers – Blocks and Files
1 March 2022, Blocks and Files

provided by Google News

Quest Software Announces Public Beta for SharePlex for PostgreSQL
22 September 2022, SDTimes.com

PostgreSQL vs. MySQL: Four Key Reasons to Choose the Former
22 September 2022, Solutions Review

Installing PostgreSQL on macOS - MUO
17 September 2022, MakeUseOf

Running PostgreSQL Inside Your Browser
8 September 2022, iProgrammer

PostgreSQL Optimizes Performance & Lower Memory Management Overhead
29 August 2022, Phoronix

provided by Google News

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