DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Hawkular Metrics vs. openGemini vs. Yaacomo

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Hawkular Metrics vs. openGemini vs. Yaacomo

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Hawkular Metrics  Xexclude from comparison	openGemini  Xexclude from comparison	Yaacomo  Xexclude from comparison
				Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.	An open source distributed Time Series DBMS with high concurrency, high performance, and high scalability	OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database model	Relational DBMS	Time Series DBMS	Time Series DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.08 Rank #366   Overall #39   Time Series DBMS	Score 0.09 Rank #361   Overall #37   Time Series DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.hawkular.org	www.opengemini.org github.com/­openGemini	yaacomo.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	www.hawkular.org/­hawkular-metrics/­docs/­user-guide	docs.opengemini.org/­guide
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Community supported by Red Hat	Huawei and openGemini community	Q2WEB GmbH
Initial release	2016	2014	2022	2009
Current release			1.1, July 2023
License Commercial or Open Source	commercial	Open Source Apache 2.0	Open Source Apache Version 2.0	commercial
Cloud-based only Only available as a cloud service	yes	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		Java	Go
Server operating systems	hosted	Linux OS X Windows	Linux Windows	Android Linux Windows
Data scheme	yes	schema-free	schema-free	yes
Typing predefined data types such as float or date	yes	yes	Integer, Float, Boolean, String	yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	yes	no	no	no
Secondary indexes	yes	no	yes	yes
SQL Support of SQL	yes	no	SQL-like query language	yes
APIs and other access methods	JDBC ODBC	HTTP REST	HTTP REST	JDBC ODBC
Supported programming languages	C Java Perl Python R	Go Java Python Ruby	C C++ Go Java JavaScript (Node.js) Python Rust
Server-side scripts Stored procedures	yes	no	no
Triggers	yes	yes via Hawkular Alerting	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding based on Cassandra	Sharding	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor based on Cassandra	yes	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra		Immediate Consistency
Foreign keys Referential integrity	yes	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	no	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	yes	yes
User concepts Access control	fine grained access rights according to SQL-standard	no	Administrators and common users accounts	fine grained access rights according to SQL-standard
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Hawkular Metrics	openGemini	Yaacomo
Recent citations in the news	Alibaba Cloud upgrades AnalyticDB with vector database engine 25 July 2023, CloudTech News Two Critical Flaws Found in Alibaba Cloud's PostgreSQL Databases 20 April 2023, The Hacker News Accidental ‘write’ Permissions In Alibaba PostgreSQL Let Attackers Access Sensitive Data 22 April 2023, GBHackers Two critical vulnerabilities spotted in Alibaba Cloud's PostgreSQL databases 21 April 2023, TEISS Alibaba Cloud ignites AI innovation in Singapore with recent hackathon | KrASIA 27 March 2024, KrASIA provided by Google News	Waiting for Red Hat OpenShift 4.0? Too late, 4.1 has already arrived… • DEVCLASS 5 June 2019, DevClass provided by Google News	About HUAWEI Open Source 9 February 2022, Huawei provided by Google News

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