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DBMS > InfluxDB vs. Memcached vs. Microsoft Azure SQL Database vs. Solr

System Properties Comparison InfluxDB vs. Memcached vs. Microsoft Azure SQL Database vs. Solr

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Editorial information provided by DB-Engines
NameInfluxDB  Xexclude from comparisonMemcached  Xexclude from comparisonMicrosoft Azure SQL Database infoformerly SQL Azure  Xexclude from comparisonSolr  Xexclude from comparison
DescriptionDBMS for storing time series, events and metricsIn-memory key-value store, originally intended for cachingDatabase as a Service offering with high compatibility to Microsoft SQL ServerA widely used distributed, scalable search engine based on Apache Lucene
Primary database modelTime Series DBMSKey-value storeRelational DBMSSearch engine
Secondary database modelsDocument store
Graph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score23.34
Rank#29  Overall
#1  Time Series DBMS
Score26.34
Rank#27  Overall
#4  Key-value stores
Score60.45
Rank#17  Overall
#11  Relational DBMS
Score51.62
Rank#20  Overall
#3  Search engines
Websitewww.influxdata.com/­products/­influxdb-overviewwww.memcached.orgazure.microsoft.com/­en-us/­services/­sql-databaselucene.apache.org/­solr
Technical documentationdocs.influxdata.com/­influxdbgithub.com/­memcached/­memcached/­wikidocs.microsoft.com/­en-us/­azure/­azure-sqllucene.apache.org/­solr/­resources.html
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalMicrosoftApache Software Foundation
Initial release2013200320102006
Current release1.8.0, April 20201.6.0, March 2020V128.6.2, September 2020
License infoCommercial or Open SourceOpen Source infoMIT-License; commercial enterprise version availableOpen Source infoBSD licensecommercialOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoCC++Java
Server operating systemsLinux
OS X infothrough Homebrew
FreeBSD
Linux
OS X
Unix
Windows
hostedAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)
Data schemeschema-freeschema-freeyesyes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or dateNumeric data and Stringsnoyesyes infosupports customizable data types and automatic typing
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.noyesyes
Secondary indexesnonoyesyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSQL-like query languagenoyesSolr Parallel SQL Interface
APIs and other access methodsHTTP API
JSON over UDP
Proprietary protocolADO.NET
JDBC
ODBC
Java API
RESTful HTTP/JSON API
Supported programming languages.Net
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Perl
PHP
Python
R
Ruby
Rust
Scala
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresnonoTransact SQLJava plugins
Triggersnonoyesyes infoUser configurable commands triggered on index changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoin enterprise version onlynoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoin enterprise version onlynone infoRepcached, a Memcached patch, provides this functionallityyes, with always 3 replicas availableyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononospark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduce
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoDepending on used storage engineyes
User concepts infoAccess controlsimple rights management via user accountsyes infousing SASL (Simple Authentication and Security Layer) protocolfine grained access rights according to SQL-standardyes
More information provided by the system vendor
InfluxDBMemcachedMicrosoft Azure SQL Database infoformerly SQL AzureSolr
Specific characteristicsInfluxData is the creator of InfluxDB , the open source time series database. It...
» more
Competitive advantagesTime to Value An end-to-end platform, InfluxData is ready to go on the cloud or via...
» more
Typical application scenariosIoT & Sensor Monitoring Instrumentation of every available surface in the material...
» more
Key customersInfluxData has over 630 paying customers, including IBM, PayPal, Siemens Tesla and...
» more
Market metricsFastest growing database to garnish 17,000 github stars Over 260,000 daily active...
» more
Licensing and pricing modelsOpen source core with closed source clustering available either on-premise or on...
» more

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More resources
InfluxDBMemcachedMicrosoft Azure SQL Database infoformerly SQL AzureSolr
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Recent citations in the news

Reasons to switch to the InfluxDB time-series database, explored
25 August 2020, TechHQ

How to easily deploy LAN-accessible pods to a Kubernetes cluster
17 September 2020, TechRepublic

Where InfluxDB time series database is going
21 January 2020, TechTarget

InfluxData Brings InfluxDB Cloud 2.0 Serverless Platform to Europe to Support Enterprise Transformation with Time Series Technology
14 November 2019, Business Wire

InfluxDB goes live on Google Cloud
4 February 2020, ZDNet

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Google Cloud launches a managed Memcached service
2 April 2020, TechCrunch

Google Cloud rolls out Memcached database caching – Blocks and Files
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Google Unveils Memorystore for Memcached
6 April 2020, Database Trends and Applications

Memcached 1.6 puts binary protocol to bed • DEVCLASS
9 March 2020, DevClass

Buffer Overflow in Memcached Fixed | Decipher
24 March 2020, Decipher

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SOLR demands Northwestern and Compass Group support service workers laid off during the pandemic
11 September 2020, Daily Northwestern

Lucidworks Announces Keynote Speaker Lineup and Agenda for Activate 2020
15 September 2020, StreetInsider.com

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

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