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DBMS > Apache Druid vs. RavenDB vs. RocksDB vs. TiDB

System Properties Comparison Apache Druid vs. RavenDB vs. RocksDB vs. TiDB

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Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonRavenDB  Xexclude from comparisonRocksDB  Xexclude from comparisonTiDB  Xexclude from comparison
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataOpen Source Operational and Transactional Enterprise NoSQL Document DatabaseEmbeddable persistent key-value store optimized for fast storage (flash and RAM)TiDB is an open source distributed Hybrid Transactional/Analytical Processing (HTAP) database that supports MySQL and Spark SQL syntaxes.
Primary database modelRelational DBMS
Time Series DBMS
Document storeKey-value storeRelational DBMS
Secondary database modelsGraph DBMS
Spatial DBMS
Time Series DBMS
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.57
Rank#92  Overall
#48  Relational DBMS
#6  Time Series DBMS
Score3.24
Rank#94  Overall
#16  Document stores
Score3.70
Rank#89  Overall
#15  Key-value stores
Score3.20
Rank#97  Overall
#51  Relational DBMS
Websitedruid.apache.orgravendb.netrocksdb.orgpingcap.com
Technical documentationdruid.apache.org/­docs/­latest/­designravendb.net/­docsgithub.com/­facebook/­rocksdb/­wikidocs.pingcap.com/­tidb/­stable
DeveloperApache Software Foundation and contributorsHibernating RhinosFacebook, Inc.PingCAP, Inc.
Initial release2012201020132016
Current release0.21.0, April 20215.2, June 20216.26.1, November 20215.0.1, April 2021
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoAGPL version 3, commercial license availableOpen Source infoBSDOpen Source infoApache 2.0
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.
TiDB Cloud: Fully-managed TiDB Service. Bring everything great about TiDB to the cloud.
Implementation languageJavaC#C++Go, Rust
Server operating systemsLinux
OS X
Unix
Linux
macOS
Raspberry Pi
Windows
Linux
Data schemeyes infoschema-less columns are supportedschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnonoyes
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.nonono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLSQL for queryingSQL-like query language (RQL)noyes
APIs and other access methodsJDBC
RESTful HTTP/JSON API
.NET Client API
Java Client API
Python Client API
RESTful HTTP API
C++ API
Java API
JDBC
ODBC
Proprietary protocol
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
.Net
C#
Go
Java
JavaScript (Node.js)
Python
Ruby
C++
Java
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
Server-side scripts infoStored proceduresnoyesnono
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basedShardingnonehorizontal partitioning (by key range)
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesMulti-source replicationnoneUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoMapReduce functions can be defined in Linqnoyes infowith TiSpark Connector
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono infocurrently only supported in syntax
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID, Cluster-wide transaction availableyesACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemAccess control on document level using the Authorization BundlenoUsers with fine-grained authorization concept. No user groups or roles.
More information provided by the system vendor
Apache DruidRavenDBRocksDBTiDB
Specific characteristicsRavenDB is the pioneer NoSQL Document Database that is fully transactional (ACID)...
» more
TiDB is an open-source NewSQL database built by PingCAP. TiDB supports Hybrid Transactional...
» more
Competitive advantagesRavenDB is easy to setup and secure. You can do it in a matter of minutes . Easy...
» more
In the current database landscape, infrastructure engineers often have to use one...
» more
Typical application scenariosIoT for Edge Deployments Fraud Detection Recommendation Engines Product Catalogs...
» more
TiDB is designed to support both OLTP and OLAP scenarios. You can use TiDB , the...
» more
Key customersToyota, Capgemini, Vodafone, Medicaid, Asos, Nomura, RMS Automotive, MSNBC, Pluralsight,...
» more
Shopee (E-commerce) BookMyShow.com (E-commerce) Yiguo.com (E-commerce) JD Cloud &...
» more
Market metrics2 million+ downloads 1000+ customers including Fortune 500 large enterprises
» more
25K+ GitHub Stars for TiDB, and 8K+ GitHub Stars for TiKV 1.6K+ members in TiDB Community...
» more
Licensing and pricing modelsRavenDB is available on-premise and in the cloud. RavenDB Cloud is available on AWS...
» more
Open Source Apache 2.0 with either commercial licensing or fully-hosted DB-as-a-service...
» more
News

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7 December 2021

Believe in the Multiplicative Power of Openness
30 November 2021

How to Connect TiDB Cloud to Metabase
24 November 2021

KubeCon 2021 Q&A: PingCAP Recaps the Event and Explores Its HTAP Database
16 November 2021

How to Troubleshoot RocksDB Write Stalls in TiKV
12 November 2021

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
Apache DruidRavenDBRocksDBTiDB
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