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DBMS > Solr vs. VoltDB

System Properties Comparison Solr vs. VoltDB

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Editorial information provided by DB-Engines
NameSolr  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionA widely used enterprise search engine based on Apache LuceneDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelSearch engineRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score57.22
Rank#17  Overall
#3  Search engines
Score1.55
Rank#126  Overall
#62  Relational DBMS
Websitelucene.apache.org/­solrwww.voltdb.com
Technical documentationlucene.apache.org/­solr/­resources.htmldocs.voltdb.com
DeveloperApache Software FoundationVoltDB Inc.
Initial release20042010
Current release8.3.1, December 20199.0, April 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava, C++
Server operating systemsAll OS with a Java VM and a servlet container inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)Linux
OS X infofor development
Data schemeyes infoDynamic Fields enables on-the-fly addition of new fieldsyes
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.no
Secondary indexesyes infoAll search fields are automatically indexedyes
SQL infoSupport of SQLno infosupports limited query time joinsyes infoonly a subset of SQL 99
APIs and other access methodsJava API
RESTful HTTP API
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languages.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresJava pluginsJava
Triggersyes infoUser configurable commands triggered on index changesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodescloud/distributed (via Zookeeper)
Master-slave replication
Master-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoslaves poll the master in predefined intervalls
Foreign keys infoReferential integritynono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking infoSolr 4ACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlUsers and roles with access to stored procedures

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More resources
SolrVoltDB
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Recent citations in the news

Exploit code published for two dangerous Apache Solr remote code execution flaws
26 November 2019, ZDNet

Apache Solr Bug Gets Bumped Up to High Severity
20 November 2019, Threatpost

Experts Expect “Aggressive Exploitation” of Two Apache Solr Vulnerabilities
26 November 2019, Computer Business Review

Exploit Code Escalates Apache Solr Vulnerability To 'High Risk' Status
26 November 2019, Security Intelligence

Week in review: The data skills gap, new Kali Linux release, Apache Solr RCEs with public PoCs
1 December 2019, Help Net Security

provided by Google News

In-Memory Database Market ||Oracle Corporation, Teradata Corporation, VoltDB Inc., Microsoft Corporation, Software AG
15 November 2019, The Industry Press Releases

Global In-Memory Database Market 2025 CAGR Status by Players: Oracle Corporation, Teradata Corporation, VoltDB Inc.
27 November 2019, Industry News Hour

VoltDB Secures $10 Million in Series C Funding to Meet Demand for 5G Data Requirements
23 October 2019, PRNewswire

What Are the Driving Growth of In-Memory Database Market By Top Key Players Oracle Corporation, Teradata Corporation, VoltDB Inc., Microsoft Corporation, Software AG, IBM Corporation, Amazon Web Services
22 November 2019, Market Report Gazette

Company of the week: VoltDB
25 October 2019, PitchBook News & Analysis

provided by Google News

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