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DBMS > EventStoreDB vs. Solr vs. Sqrrl

System Properties Comparison EventStoreDB vs. Solr vs. Sqrrl

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonSolr  Xexclude from comparisonSqrrl  Xexclude from comparison
Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It has been removed from the DB-Engines ranking.
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.A widely used distributed, scalable search engine based on Apache LuceneAdaptable, secure NoSQL built on Apache Accumulo
Primary database modelEvent StoreSearch engineDocument store
Graph DBMS
Key-value store
Wide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.65
Rank#208  Overall
#1  Event Stores
Score50.21
Rank#21  Overall
#3  Search engines
Websitewww.eventstore.comlucene.apache.org/­solrsqrrl.com
Technical documentationdevelopers.eventstore.comlucene.apache.org/­solr/­resources.html
DeveloperEvent Store LimitedApache Software FoundationAmazon infooriginally Sqrrl Data, Inc.
Initial release201220062012
Current release20.6.1, October 20208.8.0, January 2021
License infoCommercial or Open SourceOpen SourceOpen Source infoApache Version 2commercial
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 languageJavaJava
Server operating systemsLinux
Windows
All OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)Linux
Data schemeyes infoDynamic Fields enables on-the-fly addition of new fieldsschema-free
Typing infopredefined data types such as float or dateyes infosupports customizable data types and automatic typingyes
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
Secondary indexesyes infoAll search fields are automatically indexedyes
SQL infoSupport of SQLSolr Parallel SQL Interfaceno
APIs and other access methodsJava API
RESTful HTTP/JSON API
Accumulo Shell
Java API
JDBC
ODBC
RESTful HTTP API
Thrift
Supported programming languages.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Actionscript
C infousing GLib
C#
C++
Cocoa
Delphi
Erlang
Go
Haskell
Java
JavaScript
OCaml
Perl
PHP
Python
Ruby
Smalltalk
Server-side scripts infoStored proceduresJava pluginsno
Triggersyes infoUser configurable commands triggered on index changesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infomaking use of Hadoop
Replication methods infoMethods for redundantly storing data on multiple nodesyesselectable replication factor infomaking use of Hadoop
MapReduce infoOffers an API for user-defined Map/Reduce methodsspark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduceyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency infoDocument store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic lockingAtomic updates per row, document, or graph entity
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.yes
User concepts infoAccess controlyesCell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)
More information provided by the system vendor
EventStoreDBSolrSqrrl
Specific characteristicsGuaranteed writes Great performance that scales Immutable data store High availability...
» more
Competitive advantagesEventStoreDB's core database server is used in production systems worldwide. The...
» more
Typical application scenariosEvent-sourced systems Event-driven architecture
» more
Key customersEventStoreDB is used by companies across a whole range of industries. Here are just...
» 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

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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
EventStoreDBSolrSqrrl
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Recent citations in the news

EventStoreDB 20.10 Released with Support for gRPC and Improved Security
7 January 2021, InfoQ.com

Event Store Secures Series A Investment USA - English USA
29 September 2020, PR Newswire India

ICON Corporate Finance advises Event Store on Series A investment
1 October 2020, Bdaily

Eventuate Platform Adds Support for Micronaut, Enhanced Developer Tooling and Improved Performance
5 August 2020, InfoQ.com

AxonDB, a New Implementation of an Event Store
27 February 2018, InfoQ.com

provided by Google News

RChilli and enrich.io Launch 'Enrich Solr Taxonomy 3.0'
18 February 2021, Onrec

HOW TO INSTALL SITECORE 10 IN A DEVELOPMENT ENVIRONMENT
2 March 2021, WRCB-TV

Enterprise Search Software Market 2021 Precise Outlook – Algolia, Amazon CloudSearch, Apache Solr, Clerk.io, Coveo, Elasticsearch, FishEye – KSU | The Sentinel Newspaper
3 February 2021, KSU | The Sentinel Newspaper

Solar Alliance Energy Closes Book on $5 Million Marketed Private Placement of Units
5 February 2021, GlobeNewswire

Global Enterprise Search Software Market Report 2021: Top Companies Swiftype, Algolia, Elasticsearch, Apache Solr, SearchSpring, AddSearch, SLI Systems, Amazon CloudSearch, Coveo, FishEye, Inbenta etc
1 March 2021, The Bisouv Network

provided by Google News

User and Entity Behavior Analytics Solutions Market is thriving worldwide by 2025 with top key players like Veriato., Sqrrl Data, Securonix, Dtex Systems, Exabeam, Rapid7, Splunk – KSU | The Sentinel Newspaper
1 March 2021, KSU | The Sentinel Newspaper

User And Entity Behavior Analytics Market Technological Progress, Regional Outlook by players – Niara Inc, Sqrrl Data,Inc, Rapid7, Varonis Systems, Bay Dynamics, Exabeam, Bottomline Technologies,Inc, Observe IT, Gurucul, Splunk Inc., Securonix, Dtex Systems
25 February 2021, NeighborWebSJ

Amazon's cloud business acquires Sqrrl, a security start-up with NSA roots
23 January 2018, CNBC

SQRRL: Helping young Indians save and grow their money
25 January 2021, The Financial Express

Behavior Analytics Market Size to Witness Huge Growth, COVID-19 Impact on Business Efficiency by 2026 – The Bisouv Network
1 March 2021, The Bisouv Network

provided by Google News

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