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DBMS > Apache Cassandra vs. Apache Pinot vs. eXtremeDB vs. NebulaGraph

System Properties Comparison Apache Cassandra vs. Apache Pinot vs. eXtremeDB vs. NebulaGraph

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Editorial information provided by DB-Engines
NameApache Cassandra  Xexclude from comparisonApache Pinot  Xexclude from comparisoneXtremeDB  Xexclude from comparisonNebulaGraph  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessRealtime distributed OLAP datastore, designed to answer OLAP queries with low latencyNatively in-memory DBMS with options for persistency, high-availability and clusteringA distributed, linear scalable, high perfomant Graph DBMS
Primary database modelWide column storeRelational DBMSRelational DBMS
Time Series DBMS
Graph DBMS
Secondary database modelsVector DBMS infostarting with release V5
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score98.94
Rank#11  Overall
#1  Wide column stores
Score0.35
Rank#274  Overall
#128  Relational DBMS
Score0.79
Rank#212  Overall
#100  Relational DBMS
#18  Time Series DBMS
Score1.92
Rank#122  Overall
#11  Graph DBMS
Websitecassandra.apache.orgpinot.apache.orgwww.mcobject.comgithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
Technical documentationcassandra.apache.org/­doc/­latestdocs.pinot.apache.orgwww.mcobject.com/­docs/­extremedb.htmdocs.nebula-graph.io
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookApache Software Foundation and contributorsMcObjectVesoft Inc.
Initial release2008201520012019
Current release5.0-rc1, July 20241.0.0, September 20238.2, 2021
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache Version 2.0commercialOpen Source infoApache Version 2.0 + Common Clause 1.0
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.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
Implementation languageJavaJavaC and C++C++
Server operating systemsBSD
Linux
OS X
Windows
All OS with a Java JDK11 or higherAIX
HP-UX
Linux
macOS
Solaris
Windows
Linux
Data schemeschema-freeyesyesStrong typed schema
Typing infopredefined data types such as float or dateyesyesyesyes
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.nono infosupport of XML interfaces availableno
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like query languageyes infowith the option: eXtremeSQLSQL-like query language
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JDBC.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
Browser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Go
Java
Python
.Net
C
C#
C++
Java
Lua
Python
Scala
.Net
C++
Go
Java
PHP
Python
Server-side scripts infoStored proceduresnoyesuser defined functions
Triggersyesyes infoby defining events
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"horizontal partitioninghorizontal partitioning / shardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleActive Replication Fabric™ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
Causal Clustering using Raft protocol
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyes
Durability infoSupport for making data persistentyesyesyes infousing RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlAccess rights for users can be defined per objectRole-based access control
More information provided by the system vendor
Apache CassandraApache PinoteXtremeDBNebulaGraph
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
NebulaGraph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Companies from a variety of industries have implemented NebulaGraph Database in production,...
» more
Market metricsApache Cassandra is used by 40% of the Fortune 100.
» more
At our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
NebulaGraph is open source and free to use under Apache 2.0 license.
» more
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