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DBMS > LMDB vs. Memgraph vs. NCache vs. Oracle Coherence

System Properties Comparison LMDB vs. Memgraph vs. NCache vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonMemgraph  Xexclude from comparisonNCache  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryAn open source graph database built for real-time streaming and compatible with Neo4jOpen-Source and Enterprise in-memory Key-Value StoreOracles in-memory data grid solution
Primary database modelKey-value storeGraph DBMSKey-value storeKey-value store
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.09
Rank#121  Overall
#20  Key-value stores
Score3.19
Rank#94  Overall
#8  Graph DBMS
Score0.96
Rank#195  Overall
#29  Key-value stores
Score1.97
Rank#129  Overall
#22  Key-value stores
Websitewww.symas.com/­symas-embedded-database-lmdbmemgraph.comwww.alachisoft.com/­ncachewww.oracle.com/­java/­coherence
Technical documentationwww.lmdb.tech/­docmemgraph.com/­docswww.alachisoft.com/­resources/­docsdocs.oracle.com/­en/­middleware/­standalone/­coherence
Social network pagesLinkedInTwitterFacebookGitHubDiscord
DeveloperSymasMemgraph LtdAlachisoftOracle
Initial release2011201720052007
Current release0.9.32, January 20245.3.3, April 202414.1, August 2023
License infoCommercial or Open SourceOpen SourceOpen Source infoBSL 1.1; commercial license for enterprise edition availableOpen Source infoEnterprise Edition availablecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC and C++C#, .NET, .NET Core, JavaJava
Server operating systemsLinux
Unix
Windows
LinuxLinux
Windows
All OS with a Java VM
Data schemeschema-freeschema-free and schema-optionalschema-freeschema-free
Typing infopredefined data types such as float or dateyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes
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 indexesnoyesno
SQL infoSupport of SQLnonoSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.no
APIs and other access methodsBolt protocol
Cypher query language
IDistributedCache
JCache
LINQ
Proprietary native API
JCache
JPA
RESTful HTTP API
Supported programming languages.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
.Net
C++
Java
Server-side scripts infoStored proceduresnono infosupport for stored procedures with SQL-Server CLRno
Triggersnoyes infoNotificationsyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infodynamic graph partitioningyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication using RAFTyes, with selectable consistency levelyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyes inforelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infowith snapshot isolationoptimistic locking and pessimistic lockingconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlnoUsers, roles and permissionsAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)authentification to access the cache via certificates or http basic authentication
More information provided by the system vendor
LMDBMemgraphNCacheOracle Coherence
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
NCache 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 modelsYou can check out our pricing model and licenses on the company website .
» more
NCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more

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More resources
LMDBMemgraphNCacheOracle Coherence
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