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DBMS > Cassandra vs. etcd vs. Google Cloud Datastore vs. HarperDB vs. Vertica

Vergleich der Systemeigenschaften Cassandra vs. etcd vs. Google Cloud Datastore vs. HarperDB vs. Vertica

Redaktionelle Informationen bereitgestellt von DB-Engines
NameCassandra  Xaus Vergleich ausschliessenetcd  Xaus Vergleich ausschliessenGoogle Cloud Datastore  Xaus Vergleich ausschliessenHarperDB  Xaus Vergleich ausschliessenVertica infoOpenText™ Vertica™  Xaus Vergleich ausschliessen
KurzbeschreibungWide-Column Store basierend auf Ideen von BigTable und DynamoDB infoOptimiert für schreibende ZugriffeA distributed reliable key-value storeSelbst skalierendes NoSQL Datenbankservice in der Google Cloud PlattformUltra-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 DatenbankmodellWide Column StoreKey-Value StoreDocument 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
Punkte101,89
Rang#12  Overall
#1  Wide Column Stores
Punkte7,25
Rang#54  Overall
#5  Key-Value Stores
Punkte4,47
Rang#76  Overall
#12  Document Stores
Punkte0,55
Rang#248  Overall
#38  Document Stores
Punkte10,68
Rang#43  Overall
#27  Relational DBMS
Websitecassandra.apache.orgetcd.io
github.com/­etcd-io/­etcd
cloud.google.com/­datastorewww.harperdb.iowww.vertica.com
Technische Dokumentationcassandra.apache.org/­doc/­latestetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
cloud.google.com/­datastore/­docsdocs.harperdb.io/­docsvertica.com/­documentation
EntwicklerApache Software Foundation infoApache Top Level Projekt, ursprünglich von Facebook entwickeltGoogleHarperDBOpenText infopreviously Micro Focus and Hewlett Packard
Erscheinungsjahr2008200820172005
Aktuelle Version4.1.3, Juli 20233.4, August 20193.1, August 202112.0.3, Jänner 2023
Lizenz infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoApache Version 2.0kommerziellkommerziell infofree community edition availablekommerziell infoLimitierte Community Edition gratis
Ausschließlich ein Cloud-Service infoNur als Cloud-Service verfügbarneinneinjaneinnein 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 BetriebssystemeBSD
Linux
OS X
Windows
FreeBSD
Linux
Windows infoexperimental
gehostetLinux
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 datejaneinja, Details hierja infoJSON data typesyes
XML Unterstützung infoVerarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLTneinneinneinneinnein
Sekundärindizeseingeschränkt infoNur Gleichheitsabfragen, nicht immer die performanteste LösungneinjajaNo Indexes Required. Different internal optimization strategy, but same functionality included.
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)neinSQL-like query language (GQL)SQL-like data manipulation statementsFull 1999 standard plus machine learning, time series and geospatial. Over 650 functions.
APIs und andere ZugriffskonzepteProprietäres Protokoll infoCQL (Cassandra Query Language, eine SQL-ähnliche Abfragesprache)
Thrift
gRPC
JSON over HTTP
gRPC (using protocol buffers) API
RESTful HTTP/JSON API
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 ProgrammiersprachenC#
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
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
.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 Proceduresneinneinmit Google App EngineCustom Functions infosince release 3.1yes, PostgreSQL PL/pgSQL, with minor differences
Triggersjayes, watching key changesCallbacks mit Google Apps Engineneinyes, called Custom Alerts
Partitionierungsmechanismen infoMethoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen KnotenSharding infokein "single point of failure"ShardingA 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 Knotenfrei wählbarer Replikationsfaktor infoAbbildung von geographischer Verteilung der Server möglichUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.Multi-source replication using Paxosja 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 Operationenjaneinja infomittels Google Cloud Dataflowneinno infoBi-directional Spark integration
Konsistenzkonzept infoMethoden zur Sicherstellung der Konsistenz in einem verteilten SystemEventual Consistency
Immediate Consistency infobei jedem Schreibvorgang individuell einstellbar
Immediate ConsistencyImmediate Consistency or Eventual Consistency depending on type of query and configuration infoStrong Consistency is default for entity lookups and queries within an Entity Group (but can instead be made eventually consistent). Other queries are always eventual consistent.Immediate ConsistencyImmediate Consistency
Fremdschlüssel inforeferenzielle Integritätneinneinja infovia ReferenceProperties or Ancestor pathsneinja
Transaktionskonzept infoUnterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren Datenmanipulationennein infoAtomizität und Isolation innerhalb einzelner Operationen werden unterstütztneinACID infoSerializable Isolation within Transactions, Read Committed outside of TransactionsAtomic 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 haltenneinneinneinjanein
Berechtigungskonzept infoZugriffskontrolleZugriffsrechte für Benutzer auf einzelne Objekte definierbarneinAccess rights for users, groups and roles based on Google Cloud Identity and Access Management (IAM)Access rights for users and rolesfine grained access rights according to SQL-standard; supports Kerberos, LDAP, Ident and hash
Weitere Informationen bereitgestellt vom Systemhersteller
CassandraetcdGoogle Cloud DatastoreHarperDBVertica infoOpenText™ Vertica™
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» mehr
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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