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DBMS > Druid vs. HarperDB vs. InfluxDB vs. MemSQL

System Properties Comparison Druid vs. HarperDB vs. InfluxDB vs. MemSQL

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Editorial information provided by DB-Engines
NameDruid  Xexclude from comparisonHarperDB  Xexclude from comparisonInfluxDB  Xexclude from comparisonMemSQL  Xexclude from comparison
DescriptionOpen-source analytics data store designed for OLAP queries on timeseries dataA DBMS for IoT projects, analytical and transactional use cases , runnable on IoT devices and in the cloud, in distributed and replicated environmentsDBMS for storing time series, events and metricsMySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storage
Primary database modelRelational DBMS
Time Series DBMS
Document storeTime Series DBMSRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.29
Rank#119  Overall
#57  Relational DBMS
#8  Time Series DBMS
Score0.31
Rank#259  Overall
#35  Document stores
Score23.34
Rank#29  Overall
#1  Time Series DBMS
Score6.01
Rank#62  Overall
#35  Relational DBMS
Websitedruid.apache.orgwww.harperdb.iowww.influxdata.com/­products/­influxdb-overviewwww.memsql.com
Technical documentationdruid.apache.org/­docs/­latest/­designdocs.harperdb.iodocs.influxdata.com/­influxdbdocs.memsql.com
DeveloperMetamarkets Group and contributorsHarperDBMemSQL Inc.
Initial release2012201720132013
Current release1.8.0, April 20207.1.7, August 2020
License infoCommercial or Open SourceOpen Source infoApache license v2commercial infofree community edition availableOpen Source infoMIT-License; commercial enterprise version availablecommercial infofree developer edition available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
MemSQL Helios: The world's fastest, most capable cloud database for operational analytics, machine learning, & AI. Available instantly with multi-cloud and hybrid-cloud capabilities.
Implementation languageJavaNode.jsGoC++
Server operating systemsLinux
OS X
Unix
Linux
OS X
Linux
OS X infothrough Homebrew
Linux info64 bit version required
Data schemeyes infoschema-less columns are supporteddynamic schemaschema-freeyes
Typing infopredefined data types such as float or dateyesyes infoJSON data typesNumeric data and Stringsyes
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.nononono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLSQL support via Apache Calcite adapterSQL-like data manipulation statementsSQL-like query languageyes, but no triggers and foreign keys
APIs and other access methodsJSON over HTTPJDBC
ODBC
RESTful HTTP/JSON API
HTTP API
JSON over UDP
JDBC
ODBC
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
.Net
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Perl
PHP
Python
R
Ruby
Rust
Scala
Bash
C
C#
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnononoyes
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesShardingA table resides as a whole on one (or more) nodes in a clusterSharding infoin enterprise version onlySharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesyes infothe nodes on which a table resides can be definedselectable replication factor infoin enterprise version onlySource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency only within each node
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoAtomic execution of specific operationsnoACID infoOnly isolation level: READ COMMITED
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyesyes, using LMDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infoDepending on used storage engineyes
User concepts infoAccess controlno infoavailable via extensionsAccess rights for users and rolessimple rights management via user accountsfine grained access rights according to SQL-standard
More information provided by the system vendor
DruidHarperDBInfluxDBMemSQL
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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DruidHarperDBInfluxDBMemSQL
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Recent citations in the news

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