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DBMS > Druid vs. Memcached

System Properties Comparison Druid vs. Memcached

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Our visitors often compare Druid and Memcached with Elasticsearch, Cassandra and MongoDB.

Editorial information provided by DB-Engines
NameDruid  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionOpen-source analytics data store designed for OLAP queries on timeseries dataIn-memory key-value store, originally intended for caching
Primary database modelRelational DBMS
Time Series DBMS
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.73
Rank#111  Overall
#55  Relational DBMS
#7  Time Series DBMS
Score26.46
Rank#26  Overall
#4  Key-value stores
Websitedruid.iowww.memcached.org
Technical documentationdruid.io/­docs/­latest/­design/­index.htmlgithub.com/­memcached/­memcached/­wiki
DeveloperMetamarkets Group and contributorsDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release20122003
Current release1.5.12, November 2018
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoBSD license
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC
Server operating systemsLinux
OS X
Unix
FreeBSD
Linux
OS X
Unix
Windows
Data schemeyes infoschema-less columns are supportedschema-free
Typing infopredefined data types such as float or dateyesno
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 indexesyesno
SQL infoSupport of SQLSQL support via Apache Calcite adapterno
APIs and other access methodsJSON over HTTPProprietary protocol
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesnone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlno infoavailable via extensionsyes infousing SASL (Simple Authentication and Security Layer) protocol

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More resources
DruidMemcached
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Recent citations in the news

Imply launches with $2M to commercialize the Druid open-source data store
19 October 2015, VentureBeat

What's Behind Lyft's Choices in Big Data Tech
10 May 2019, Datanami

Hadoop Creator Yahoo Finds It's Not Enough, Turns to Druid
30 July 2015, ADT Magazine

Yahoo Casts Real-Time OLAP Queries with Druid
4 August 2015, Datanami

Azure HDInsight Brings Next Generation Hadoop 3.0 and Enterprise Security to the Cloud
24 September 2018, HPCwire

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AWS Non-RDS Databases Notes
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15 January 2019, The Next Platform

Global Key-Value Stores Market 2019 Industry Status Redis, Azure Redis Cache, ArangoDB, Hbase
16 September 2019, Herald Writer 24

Migrating legacy apps to serverless platforms doesn't have to be painful
30 August 2019, TechRepublic

​Memcached DDoS: The biggest, baddest denial of service attacker yet
1 March 2018, ZDNet

provided by Google News

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