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DBMS > Amazon DocumentDB vs. Cassandra vs. etcd vs. HarperDB vs. Vertica

Vergleich der Systemeigenschaften Amazon DocumentDB vs. Cassandra vs. etcd vs. HarperDB vs. Vertica

Redaktionelle Informationen bereitgestellt von DB-Engines
NameAmazon DocumentDB  Xaus Vergleich ausschliessenCassandra  Xaus Vergleich ausschliessenetcd  Xaus Vergleich ausschliessenHarperDB  Xaus Vergleich ausschliessenVertica infoOpenText™ Vertica™  Xaus Vergleich ausschliessen
KurzbeschreibungFast, scalable, highly available, and fully managed MongoDB-compatible database serviceWide-Column Store basierend auf Ideen von BigTable und DynamoDB infoOptimiert für schreibende ZugriffeA distributed reliable key-value storeUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.Cloud or off-cloud analytical database and query engine for structured and semi-structured streaming and batch data. Machine learning platform with built-in algorithms, data preparation capabilities, and model evaluation and management via SQL or Python.
Primäres DatenbankmodellDocument StoreWide Column StoreKey-Value StoreDocument StoreRelational DBMS infoColumn oriented
Sekundäre DatenbankmodelleVektor DBMS infostarting with release V5Spatial DBMS
Time Series DBMS
DB-Engines Ranking infomisst die Popularität von Datenbankmanagement- systemenranking trend
Trend Chart
Punkte1,91
Rang#132  Overall
#24  Document Stores
Punkte101,89
Rang#12  Overall
#1  Wide Column Stores
Punkte7,25
Rang#54  Overall
#5  Key-Value Stores
Punkte0,55
Rang#248  Overall
#38  Document Stores
Punkte10,68
Rang#43  Overall
#27  Relational DBMS
Websiteaws.amazon.com/­documentdbcassandra.apache.orgetcd.io
github.com/­etcd-io/­etcd
www.harperdb.iowww.vertica.com
Technische Dokumentationaws.amazon.com/­documentdb/­resourcescassandra.apache.org/­doc/­latestetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
docs.harperdb.io/­docsvertica.com/­documentation
EntwicklerApache Software Foundation infoApache Top Level Projekt, ursprünglich von Facebook entwickeltHarperDBOpenText infopreviously Micro Focus and Hewlett Packard
Erscheinungsjahr2019200820172005
Aktuelle Version4.1.3, Juli 20233.4, August 20193.1, August 202112.0.3, Jänner 2023
Lizenz infoCommercial or Open SourcekommerziellOpen Source infoApache Version 2Open Source infoApache Version 2.0kommerziell infofree community edition availablekommerziell infoLimitierte Community Edition gratis
Ausschließlich ein Cloud-Service infoNur als Cloud-Service verfügbarjaneinneinneinnein infoon-premises, all major clouds - Amazon AWS, Microsoft Azure, Google Cloud Platform and containers
DBaaS Angebote (gesponserte Links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
ImplementierungsspracheJavaGoNode.jsC++
Server BetriebssystemegehostetBSD
Linux
OS X
Windows
FreeBSD
Linux
Windows infoexperimental
Linux
OS X
Linux
Datenschemaschemafreischemafreischemafreidynamic schemaYes, but also semi-structure/unstructured data storage, and complex hierarchical data (like Parquet) stored and/or queried.
Typisierung infovordefinierte Datentypen, z.B. float oder datejajaneinja infoJSON data typesyes
XML Unterstützung infoVerarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLTneinneinneinneinnein
Sekundärindizesjaeingeschränkt infoNur Gleichheitsabfragen, nicht immer die performanteste LösungneinjaNo Indexes Required. Different internal optimization strategy, but same functionality included.
SQL infoSupport of SQLneinSQL-like SELECT, DML and DDL statements (CQL)neinSQL-like data manipulation statementsFull 1999 standard plus machine learning, time series and geospatial. Over 650 functions.
APIs und andere Zugriffskonzepteproprietary protocol using JSON (MongoDB compatible)Proprietäres Protokoll infoCQL (Cassandra Query Language, eine SQL-ähnliche Abfragesprache)
Thrift
gRPC
JSON over HTTP
JDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
ADO.NET
JDBC
Kafka Connector
ODBC
RESTful HTTP API
Spark Connector
vSQL infocharacter-based, interactive, front-end utility
Unterstützte ProgrammiersprachenGo
Java
JavaScript (Node.js)
PHP
Python
C#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
C#
C++
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Server-seitige Scripts infoStored ProceduresneinneinneinCustom Functions infosince release 3.1yes, PostgreSQL PL/pgSQL, with minor differences
Triggersneinjayes, watching key changesneinyes, called Custom Alerts
Partitionierungsmechanismen infoMethoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen KnotenkeineSharding infokein "single point of failure"A table resides as a whole on one (or more) nodes in a clusterhorizontal partitioning, hierarchical partitioning
Replikationsmechanismen infoMethoden zum redundanten Speichern von Daten auf mehreren KnotenMulti-availability zones for high availability, asynchronous replication for up to 15 read replicasfrei wählbarer Replikationsfaktor infoAbbildung von geographischer Verteilung der Server möglichUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.ja infothe nodes on which a table resides can be definedMulti-Source Replikation infoOne, or more copies of data replicated across nodes, or object-store used for repository.
MapReduce infoBietet ein API für Map/Reduce Operationennein infokann über Amazon Elastic MapReduce (Amazon EMR) realisiert werdenjaneinneinno infoBi-directional Spark integration
Konsistenzkonzept infoMethoden zur Sicherstellung der Konsistenz in einem verteilten SystemImmediate ConsistencyEventual Consistency
Immediate Consistency infobei jedem Schreibvorgang individuell einstellbar
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Fremdschlüssel inforeferenzielle Integritätnein infotypically not used, however similar functionality with DBRef possibleneinneinneinja
Transaktionskonzept infoUnterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren DatenmanipulationenAtomic single-document operationsnein infoAtomizität und Isolation innerhalb einzelner Operationen werden unterstütztneinAtomic execution of specific operationsACID
Concurrency infoUnterstützung von gleichzeitig ausgeführten Datenmanipulationenjajajajaja
Durability infoDauerhafte Speicherung der Datenjajajayes, using LMDBja
In-Memory Unterstützung infoGibt es Möglichkeiten einige oder alle Strukturen nur im Hauptspeicher zu haltenneinneinjanein
Berechtigungskonzept infoZugriffskontrolleAccess rights for users and rolesZugriffsrechte für Benutzer auf einzelne Objekte definierbarneinAccess rights for users and rolesfine grained access rights according to SQL-standard; supports Kerberos, LDAP, Ident and hash
Weitere Informationen bereitgestellt vom Systemhersteller
Amazon DocumentDBCassandraetcdHarperDBVertica infoOpenText™ Vertica™
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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Deploy-anywhere database for large-scale analytical deployments. Deploy off-cloud,...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Fast, scalable, and capable of high concurrency. Separation of compute/storage leverages...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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Communication and network analytics, Embedded analytics, Fraud monitoring and Risk...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Abiba Systems, Adform, adMarketplace, AmeriPride, Anritsu, AOL, Avito, Auckland Transport,...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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Cost-based models and subscription-based models are both available. One license is...
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