DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > LevelDB vs. Solr vs. Sqrrl

System Properties Comparison LevelDB vs. Solr vs. Sqrrl

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameLevelDB  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.
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesA widely used distributed, scalable search engine based on Apache LuceneAdaptable, secure NoSQL built on Apache Accumulo
Primary database modelKey-value storeSearch engineDocument store
Graph DBMS
Key-value store
Wide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.06
Rank#93  Overall
#18  Key-value stores
Score51.64
Rank#19  Overall
#3  Search engines
Websitegithub.com/­google/­leveldblucene.apache.org/­solrsqrrl.com
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdlucene.apache.org/­solr/­resources.html
DeveloperGoogleApache Software FoundationAmazon infooriginally Sqrrl Data, Inc.
Initial release201120062012
Current release1.22, May 20198.5.2, May 2020
License infoCommercial or Open SourceOpen Source infoBSDOpen 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.
Implementation languageC++JavaJava
Server operating systemsIllumos
Linux
OS X
Windows
All OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)Linux
Data schemeschema-freeyes infoDynamic Fields enables on-the-fly addition of new fieldsschema-free
Typing infopredefined data types such as float or datenoyes 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.noyes
Secondary indexesnoyes infoAll search fields are automatically indexedyes
SQL infoSupport of SQLnoSolr 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 languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.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 proceduresnoJava pluginsno
Triggersnoyes infoUser configurable commands triggered on index changesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infomaking use of Hadoop
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesselectable replication factor infomaking use of Hadoop
MapReduce infoOffers an API for user-defined Map/Reduce methodsnospark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduceyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency infoDocument store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanooptimistic lockingAtomic updates per row, document, or graph entity
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnoyesCell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
LevelDBSolrSqrrl
DB-Engines blog posts

Elasticsearch replaced Solr as the most popular search engine
12 January 2016, Paul Andlinger

Enterprise Search Engines almost double their popularity in the last 12 months
2 July 2014, Paul Andlinger

The DB-Engines ranking includes now search engines
4 February 2013, Paul Andlinger

show all

Recent citations in the news

AMD EPYC vs. Intel Xeon Cascadelake With Facebook's RocksDB Database
17 October 2019, Phoronix

Couchbase replaces its storage engine with homegrown ForestDB
2 October 2014, Gigaom

Service in regedit listed twice, when I delete they come back!! - Virus, Trojan, Spyware, and Malware Removal Help
15 February 2020, BleepingComputer

Samsung Announces Standards-Compliant Key-Value SSD Prototype
5 September 2019, AnandTech

Western Digital Has Been Developing A New Linux File-System: Zonefs
25 December 2019, Phoronix

provided by Google News

Why the Apache Lucene and Solr "divorce" is better for developers and users
9 July 2020, TechRepublic

Solar Alliance Now Offers Residential Solar Financing Option TSX Venture Exchange:SOLR
15 June 2020, GlobeNewswire

Enterprise Search Software Market Size and Forecast from 2020-2026|Swiftype,Algolia,Elasticsearch,Apache Solr – Cole Reports
16 June 2020, Cole of Duty

Innovent Solutions Releases FindTuner 3.0 with a modernized user interface and new features that greatly enhance the ability to merchandise ecommerce search.
29 June 2020, Benzinga

Global Enterprise Search Software Market (2020-2026) | Latest COVID19 Impact Analysis | Know About Brand Players: Swiftype, Algolia, Elasticsearch, Apache Solr, SearchSpring, etc. | InForGrowth
26 June 2020, 3rd Watch News

provided by Google News

Stock brokerage startup Fyers expands with direct mutual fund platform
16 June 2020, Livemint

[Tech30] These industry veterans’ startup encourages millennials to save and invest money smartly
28 October 2019, YourStory

AWS beefs up threat detection with Sqrrl acquisition
24 January 2018, TechCrunch

User and Entity Behavior Analytics Market Size By Types, By Application, By Region, And Forecast 2020–2027
12 July 2020, Owned

Asia Pacific Behavior Analytics Market Outlook 2019 | Development Factors, Latest Opportunities and Forecast 2024
10 July 2020, 3rd Watch News

provided by Google News

Job opportunities

Software Engineer
DataDog, Denver, CO

API Developer
Harris Tudor, Burlington, MA

Hadoop Solr Consultant
Frontend Arts, Salt Lake, UT

Hadoop Developer(SOLR)
Capgemini, New York, NY

Entry-level Data Integrator
Semantic AI, Alexandria, VA

Sitecore Developer
Ipreo, Boulder, CO

Cybersecurity Threat Hunter
Arete Advisors, New York, NY

Network Security Engineer
Cambium Learning Group, Washington, DC

Sr. Cyber Security Analyst
XOR Security, Arlington County, VA

Cyber Hunt SME
XOR Security, Arlington County, VA

Cyber Security Engineer
XOR Security, Springfield, VA

jobs by Indeed




Share this page

Featured Products

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Datastax Astra logo

Cassandra made easy in the cloud. Build cloud-native applications faster with CQL, REST and GraphQL APIs.
Try for Free.

Present your product here