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DBMS > Alibaba Cloud PolarDB vs. CockroachDB vs. etcd vs. eXtremeDB vs. Google Cloud Bigtable

Vergleich der Systemeigenschaften Alibaba Cloud PolarDB vs. CockroachDB vs. etcd vs. eXtremeDB vs. Google Cloud Bigtable

Redaktionelle Informationen bereitgestellt von DB-Engines
NameAlibaba Cloud PolarDB  Xaus Vergleich ausschliessenCockroachDB  Xaus Vergleich ausschliessenetcd  Xaus Vergleich ausschliesseneXtremeDB  Xaus Vergleich ausschliessenGoogle Cloud Bigtable  Xaus Vergleich ausschliessen
KurzbeschreibungA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.CockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.A distributed reliable key-value storeNatively in-memory DBMS with options for persistency, high-availability and clusteringGoogle's NoSQL Big Data database service. It's the same database that powers many core Google services, including Search, Analytics, Maps, and Gmail.
Primäres DatenbankmodellRelational DBMSRelational DBMSKey-Value StoreRelational DBMS
Time Series DBMS
Key-Value Store
Wide Column Store
DB-Engines Ranking infomisst die Popularität von Datenbankmanagement- systemenranking trend
Trend Chart
Punkte0,59
Rang#241  Overall
#110  Relational DBMS
Punkte6,15
Rang#55  Overall
#33  Relational DBMS
Punkte7,25
Rang#54  Overall
#5  Key-Value Stores
Punkte0,74
Rang#223  Overall
#103  Relational DBMS
#18  Time Series DBMS
Punkte3,26
Rang#92  Overall
#13  Key-Value Stores
#8  Wide Column Stores
Websitewww.alibabacloud.com/­product/­polardbwww.cockroachlabs.cometcd.io
github.com/­etcd-io/­etcd
www.mcobject.comcloud.google.com/­bigtable
Technische Dokumentationwww.alibabacloud.com/­help/­en/­polardb/­product-overviewwww.cockroachlabs.com/­docsetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
www.mcobject.com/­docs/­extremedb.htmcloud.google.com/­bigtable/­docs
EntwicklerAlibabaCockroach LabsMcObjectGoogle
Erscheinungsjahr201520012015
Aktuelle Version24.1.0, Mai 20243.4, August 20198.2, 2021
Lizenz infoCommercial or Open SourcekommerziellOpen Source infoApache 2.0, commercial license availableOpen Source infoApache Version 2.0kommerziellkommerziell
Ausschließlich ein Cloud-Service infoNur als Cloud-Service verfügbarjaneinneinneinja
DBaaS Angebote (gesponserte Links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
ImplementierungsspracheGoGoC und C++
Server BetriebssystemegehostetLinux
macOS
Windows
FreeBSD
Linux
Windows infoexperimental
AIX
HP-UX
Linux
macOS
Solaris
Windows
gehostet
Datenschemajadynamic schemaschemafreijaschemafrei
Typisierung infovordefinierte Datentypen, z.B. float oder datejajaneinjanein
XML Unterstützung infoVerarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLTjaneinneinnein infosupport of XML interfaces availablenein
Sekundärindizesjajaneinjanein
SQL infoSupport of SQLjayes, wire compatible with PostgreSQLneinja infowith the option: eXtremeSQLnein
APIs und andere ZugriffskonzepteJDBC
ODBC
JDBCgRPC
JSON over HTTP
.NET Client API
JDBC
JNI
ODBC
Proprietäres Protokoll
RESTful HTTP API
gRPC (using protocol buffers) API
HappyBase (Python library)
HBase compatible API (Java)
Unterstützte ProgrammiersprachenJava
Python
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
.Net
C
C#
C++
Java
Lua
Python
Scala
C#
C++
Go
Java
JavaScript (Node.js)
Python
Server-seitige Scripts infoStored Proceduresjaneinneinjanein
Triggersjaneinyes, watching key changesja infoby defining eventsnein
Partitionierungsmechanismen infoMethoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen KnotenSharding infoImplicit feature of the cloud servicehorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFThorizontale Partitionierung / shardingSharding
Replikationsmechanismen infoMethoden zum redundanten Speichern von Daten auf mehreren Knotenja infoImplicit feature of the cloud serviceMulti-source replication using RAFTUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.Active Replication Fabric™ for IoT
Multi-Source Replikation infoby means of eXtremeDB Cluster option
Source-Replica Replikation infoby means of eXtremeDB High Availability option
Internal replication in Colossus, and regional replication between two clusters in different zones
MapReduce infoBietet ein API für Map/Reduce Operationenneinneinneinneinja
Konsistenzkonzept infoMethoden zur Sicherstellung der Konsistenz in einem verteilten SystemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate consistency (for a single cluster), Eventual consistency (for two or more replicated clusters)
Fremdschlüssel inforeferenzielle Integritätjajaneinjanein
Transaktionskonzept infoUnterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren DatenmanipulationenACIDACIDneinACIDAtomic single-row operations
Concurrency infoUnterstützung von gleichzeitig ausgeführten Datenmanipulationenjajajaja infoOptimistic (MVCC) and pessimistic (locking) strategies availableja
Durability infoDauerhafte Speicherung der Datenjajajajaja
In-Memory Unterstützung infoGibt es Möglichkeiten einige oder alle Strukturen nur im Hauptspeicher zu haltenjaneinneinjanein
Berechtigungskonzept infoZugriffskontrolleBenutzer mit feingranularem Berechtigungskonzept entsprechend SQL-StandardRole-based access controlneinAccess rights for users, groups and roles based on Google Cloud Identity and Access Management (IAM)
Weitere Informationen bereitgestellt vom Systemhersteller
Alibaba Cloud PolarDBCockroachDBetcdeXtremeDBGoogle Cloud Bigtable
Specific characteristicsPolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
» mehr
eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» mehr
Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
» mehr
eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
» mehr
Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
» mehr
IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» mehr
Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» mehr
Market metricsWith hundreds of customers and over 30 million devices/applications using the product...
» mehr
Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
» mehr
For server use cases, there is a simple per-server license irrespective of the number...
» mehr

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Weitere Ressourcen
Alibaba Cloud PolarDBCockroachDBetcdeXtremeDBGoogle Cloud Bigtable
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