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DBMS > EventStoreDB vs. Newts vs. Quasardb

System Properties Comparison EventStoreDB vs. Newts vs. Quasardb

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonNewts  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Time Series DBMS based on CassandraDistributed, high-performance timeseries database
Primary database modelEvent StoreTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.89
Rank#185  Overall
#1  Event Stores
Score0.00
Rank#354  Overall
#35  Time Series DBMS
Score0.26
Rank#280  Overall
#22  Time Series DBMS
Websitewww.eventstore.comopennms.github.io/­newtsquasardb.net
Technical documentationdevelopers.eventstore.comgithub.com/­OpenNMS/­newts/­wikidoc.quasardb.net
DeveloperEvent Store LimitedOpenNMS Groupquasardb
Initial release201220142009
Current release21.2, February 20213.1, January 2019
License infoCommercial or Open SourceOpen SourceOpen Source infoApache 2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
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.
Event Store Cloud allows you to deploy a managed EventStoreDB cluster in AWS, GCP and Azure (coming soon).
Implementation languageJavaC++
Server operating systemsLinux
Windows
Linux
OS X
Windows
BSD
Linux
OS X
Windows
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes infointeger and binary
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.nono
Secondary indexesnoyes infowith tags
SQL infoSupport of SQLnoSQL-like query language
APIs and other access methodsHTTP REST
Java API
HTTP API
Supported programming languagesJava.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoTransient mode
User concepts infoAccess controlnoCryptographically strong user authentication and audit trail
More information provided by the system vendor
EventStoreDBNewtsQuasardb
Specific characteristicsGuaranteed writes Great performance that scales Immutable data store High availability...
» more
High-performance , high-speed, fully integrated timeseries database Seamlessly combines...
» more
Competitive advantagesEventStoreDB's core database server is used in production systems worldwide. The...
» more
High performance in a cost-effective small package Real-time results for even large...
» more
Typical application scenariosEvent-sourced systems Event-driven architecture
» more
Tick database Predictive maintenance Pre-deal checks Large scale monitoring
» more
Key customersEventStoreDB is used by companies across a whole range of industries. Here are just...
» more
Large EU investment banks US based hedge funds Orolia Tellmeplus
» more
Market metricsHas been running in very demanding production environments since 2013 Rapid adoption...
» more
Licensing and pricing modelsAvailable as open-source software and licensed under the 3-clause BSD license ( https://github.com/EventStore/EventStore/blob/master/LICENSE.md...
» more
Community edition limited to 2 nodes and 16 GiB of storage per node available for...
» more

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More resources
EventStoreDBNewtsQuasardb
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