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DBMS > EventStoreDB vs. Immudb vs. KairosDB vs. Memgraph vs. XTDB

System Properties Comparison EventStoreDB vs. Immudb vs. KairosDB vs. Memgraph vs. XTDB

Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonImmudb  Xexclude from comparisonKairosDB  Xexclude from comparisonMemgraph  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.An open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.Distributed Time Series DBMS based on Cassandra or H2An open source graph database built for real-time streaming and compatible with Neo4jA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelEvent StoreKey-value storeTime Series DBMSGraph DBMSDocument store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.19
Rank#173  Overall
#1  Event Stores
Score0.31
Rank#295  Overall
#42  Key-value stores
Score0.67
Rank#233  Overall
#20  Time Series DBMS
Score3.19
Rank#94  Overall
#8  Graph DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websitewww.eventstore.comgithub.com/­codenotary/­immudb
immudb.io
github.com/­kairosdb/­kairosdbmemgraph.comgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationdevelopers.eventstore.comdocs.immudb.iokairosdb.github.iomemgraph.com/­docswww.xtdb.com/­docs
Social network pagesLinkedInTwitterFacebookGitHubDiscord
DeveloperEvent Store LimitedCodenotaryMemgraph LtdJuxt Ltd.
Initial release20122020201320172019
Current release21.2, February 20211.2.3, April 20221.2.2, November 20181.19, September 2021
License infoCommercial or Open SourceOpen SourceOpen Source infoApache Version 2.0Open Source infoApache 2.0Open Source infoBSL 1.1; commercial license for enterprise edition availableOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJavaC and C++Clojure
Server operating systemsLinux
Windows
BSD
Linux
macOS
Solaris
Windows
z/OS
Linux
OS X
Windows
LinuxAll OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeschema-freeschema-free and schema-optionalschema-free
Typing infopredefined data types such as float or dateyesyesyes, 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 indexesyesnoyes
SQL infoSupport of SQLSQL-like syntaxnonolimited SQL, making use of Apache Calcite
APIs and other access methodsgRPC protocol
PostgreSQL wire protocol
Graphite protocol
HTTP REST
Telnet API
Bolt protocol
Cypher query language
HTTP REST
JDBC
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
Java
JavaScript infoNode.js
PHP
Python
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
Clojure
Java
Server-side scripts infoStored proceduresnonono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on CassandraSharding infodynamic graph partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraMulti-source replication using RAFTyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonoyes inforelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID infowith snapshot isolationACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes, 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.nonoyes
User concepts infoAccess controlsimple password-based access controlUsers, roles and permissions
More information provided by the system vendor
EventStoreDBImmudbKairosDBMemgraphXTDB infoformerly named Crux
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more

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More resources
EventStoreDBImmudbKairosDBMemgraphXTDB infoformerly named Crux
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