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DBMS > Hazelcast vs. MySQL vs. Realm

System Properties Comparison Hazelcast vs. MySQL vs. Realm

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Editorial information provided by DB-Engines
NameHazelcast  Xexclude from comparisonMySQL  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionA widely adopted in-memory data gridWidely used open source RDBMSA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelKey-value storeRelational DBMS infoKey/Value like access via memcached APIDocument store
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
Score9.20
Rank#50  Overall
#6  Key-value stores
Score1228.38
Rank#2  Overall
#2  Relational DBMS
Score9.58
Rank#47  Overall
#7  Document stores
Websitehazelcast.comwww.mysql.comrealm.io
Technical documentationhazelcast.org/­imdg/­docsdev.mysql.com/­docrealm.io/­docs
DeveloperHazelcastOracle infosince 2010, originally MySQL AB, then SunRealm, acquired by MongoDB in May 2019
Initial release200819952014
Current release4.2, March 20218.0.26, July 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infoGPL version 2. Commercial licenses with extended functionallity are availableOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
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Implementation languageJavaC and C++
Server operating systemsAll OS with a Java VMFreeBSD
Linux
OS X
Solaris
Windows
Android
Backend: server-less
iOS
Windows
Data schemeschema-freeyesyes
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.yes infothe object must implement a serialization strategyyesno
Secondary indexesyesyesyes
SQL infoSupport of SQLSQL-like query languageyes infowith proprietary extensionsno
APIs and other access methodsJCache
JPA
Memcached protocol
RESTful HTTP API
ADO.NET
JDBC
ODBC
Proprietary native API
Supported programming languages.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresyes infoEvent Listeners, Executor Servicesyes infoproprietary syntaxno inforuns within the applications so server-side scripts are unnecessary
Triggersyes infoEventsyesyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning, sharding with MySQL Cluster or MySQL Fabricnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated MapMulti-source replication
Source-replica replication
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infonot for MyISAM storage engineno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataone or two-phase-commit; repeatable reads; read commitedACID infonot for MyISAM storage engineACID
Concurrency infoSupport for concurrent manipulation of datayesyes infotable locks or row locks depending on storage engine
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.yesyesyes infoIn-Memory realm
User concepts infoAccess controlRole-based access controlUsers with fine-grained authorization concept infono user groups or rolesyes
More information provided by the system vendor
HazelcastMySQLRealm
Specific characteristicsHazelcast is an in-memory computing platform that runs applications with extremely...
» more
Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesHazelcast has an optimized, multi-threaded architecture that enables the highest...
» more
Realm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosHazelcast powers many types of large-scale, data processing applications. A sample...
» more
Mobile Consumer Apps First-Line Worker Apps
» more
Key customersHazelcast customers include 50 of the world’s largest financial services companies,...
» more
Cathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsUsed by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsHazelcast provides both open source and commercial software. The open source offering...
» more
Realm database is licensed under the Apache License v2.0.
» 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
HazelcastMySQLRealm
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Recent citations in the news

Hazelcast Announces Integrated Real-Time Applications Platform
16 July 2021, Forbes

Hazelcast adds storage drive support and boosted SQL – Blocks and Files
14 July 2021, Blocks and Files

Hazelcast unveils real-time intelligent app platform for analytics
15 July 2021, VentureBeat

Java News Roundup: Hazelcast Introduces New Platform, JDK 17, JDK 18 and Spring
19 July 2021, InfoQ.com

MemVerge and Hazelcast to Co-Develop Big Memory Solutions for Financial Services
25 June 2021, PRNewswire

provided by Google News

A deeper dive into Facebook's MySQL 8.0 migration
23 July 2021, ZDNet

Facebook outlines lessons learned from MySQL 8.0 migration
22 July 2021, ZDNet

Rockset adds MySQL connector to real-time indexing database
9 July 2021, TechTarget

Everything You Need to Know About Listing MySQL Databases
10 July 2021, MakeUseOf

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9 July 2021, Computerworld

provided by Google News

On Point: Q&A with Lewis Shepherd | SIGNAL Magazine
1 June 2021, Signal Magazine

MongoDB Extends Cloud Lineup With New Database Release, Search And Mobile Tools
12 June 2020, CRN: Technology news for channel partners and solution providers

MongoDB Cloud Gives Developers An Escape From Data Silos With First-Ever Unified Cloud-To-Mobile Experience
9 June 2020, PRNewswire

Realm Announces Realm .NET, Extending Support for Microsoft Developers to Build Next-Generation Responsive Applications
14 November 2017, Business Wire

Spencer Johnson joins Pyramid Analytics as Vice President of North America Sales
3 April 2020, Help Net Security

provided by Google News

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