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DBMS > Apache Druid vs. Oracle Coherence vs. Percona Server for MySQL vs. Quasardb vs. XTDB

System Properties Comparison Apache Druid vs. Oracle Coherence vs. Percona Server for MySQL vs. Quasardb vs. XTDB

Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonOracle Coherence  Xexclude from comparisonPercona Server for MySQL  Xexclude from comparisonQuasardb  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataOracles in-memory data grid solutionEnhanced drop-in replacement for MySQL based on XtraDB or TokuDB storage engines with improved performance and additional diagnostic and management features.Distributed, high-performance timeseries databaseA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelRelational DBMS
Time Series DBMS
Key-value storeRelational DBMSTime Series DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.34
Rank#88  Overall
#48  Relational DBMS
#7  Time Series DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score2.03
Rank#122  Overall
#57  Relational DBMS
Score0.14
Rank#332  Overall
#29  Time Series DBMS
Score0.11
Rank#343  Overall
#46  Document stores
Websitedruid.apache.orgwww.oracle.com/­java/­coherencewww.percona.com/­software/­mysql-database/­percona-serverquasar.aigithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationdruid.apache.org/­docs/­latest/­designdocs.oracle.com/­en/­middleware/­standalone/­coherencewww.percona.com/­downloads/­Percona-Server-LATESTdoc.quasar.ai/­masterwww.xtdb.com/­docs
DeveloperApache Software Foundation and contributorsOraclePerconaquasardbJuxt Ltd.
Initial release20122007200820092019
Current release29.0.1, April 202414.1, August 20238.0.36-28, 20243.14.1, January 20241.19, September 2021
License infoCommercial or Open SourceOpen Source infoApache license v2commercialOpen Source infoGPL version 2commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaC and C++C++Clojure
Server operating systemsLinux
OS X
Unix
All OS with a Java VMLinuxBSD
Linux
OS X
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeyes infoschema-less columns are supportedschema-freeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyesyes infointeger and binaryyes, extensible-data-notation format
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.nonoyesnono
Secondary indexesyesnoyesyes infowith tagsyes
SQL infoSupport of SQLSQL for queryingnoyesSQL-like query languagelimited SQL, making use of Apache Calcite
APIs and other access methodsJDBC
RESTful HTTP/JSON API
JCache
JPA
RESTful HTTP API
ADO.NET
JDBC
ODBC
HTTP APIHTTP REST
JDBC
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
.Net
C++
Java
Ada
C
C#
C++
D
Eiffel
Erlang
Haskell
Java
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Clojure
Java
Server-side scripts infoStored proceduresnonoyesnono
Triggersnoyes infoLive Eventsyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basedShardingSharding infoconsistent hashingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesyes, with selectable consistency levelMulti-source replication
Source-replica replication
XtraDB Cluster
Source-replica replication with selectable replication factoryes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurableACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyesyes infoby using LevelDByes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes infoTransient mode
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemauthentification to access the cache via certificates or http basic authenticationUsers with fine-grained authorization concept infono user groups or rolesCryptographically strong user authentication and audit trail

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More resources
Apache DruidOracle CoherencePercona Server for MySQLQuasardbXTDB infoformerly named Crux
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