DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Drizzle vs. Hawkular Metrics vs. InfinityDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Drizzle vs. Hawkular Metrics vs. InfinityDB

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Drizzle  Xexclude from comparison	Hawkular Metrics  Xexclude from comparison	InfinityDB  Xexclude from comparison
		Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	MySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.	A Java embedded Key-Value Store which extends the Java Map interface
Primary database model	Relational DBMS	Relational DBMS	Time Series DBMS	Key-value store
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 0.08 Rank #365   Overall #55   Key-value stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql		www.hawkular.org	boilerbay.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview		www.hawkular.org/­hawkular-metrics/­docs/­user-guide	boilerbay.com/­infinitydb/­manual
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Drizzle project, originally started by Brian Aker	Community supported by Red Hat	Boiler Bay Inc.
Initial release	2016	2008	2014	2002
Current release		7.2.4, September 2012		4.0
License Commercial or Open Source	commercial	Open Source GNU GPL	Open Source Apache 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		C++	Java	Java
Server operating systems	hosted	FreeBSD Linux OS X	Linux OS X Windows	All OS with a Java VM
Data scheme	yes	yes	schema-free	yes nested virtual Java Maps, multi-value, logical ‘tuple space’ runtime Schema upgrade
Typing predefined data types such as float or date	yes	yes	yes	yes all Java primitives, Date, CLOB, BLOB, huge sparse arrays
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
Secondary indexes	yes	yes	no	no manual creation possible, using inversions based on multi-value capability
SQL Support of SQL	yes	yes with proprietary extensions	no	no
APIs and other access methods	JDBC ODBC	JDBC	HTTP REST	Access via java.util.concurrent.ConcurrentNavigableMap Interface Proprietary API to InfinityDB ItemSpace (boilerbay.com/­docs/­ItemSpaceDataStructures.htm)
Supported programming languages	C Java Perl Python R	C C++ Java PHP	Go Java Python Ruby	Java
Server-side scripts Stored procedures	yes	no	no	no
Triggers	yes	no hooks for callbacks inside the server can be used.	yes via Hawkular Alerting	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding	Sharding based on Cassandra	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	Multi-source replication Source-replica replication	selectable replication factor based on Cassandra	none
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 READ-COMMITTED or SERIALIZED
Foreign keys Referential integrity	yes	yes	no	no manual creation possible, using inversions based on multi-value capability
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID	no	ACID Optimistic locking for transactions; no isolation for bulk loads
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	no
User concepts Access control	fine grained access rights according to SQL-standard	Pluggable authentication mechanisms e.g. LDAP, HTTP	no	no
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Drizzle	Hawkular Metrics	InfinityDB
DB-Engines blog posts		MySQL won the April ranking; did its forks follow? 1 April 2015, Paul Andlinger Has MySQL finally lost its mojo? 1 July 2013, Matthias Gelbmann show all
Recent citations in the 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 to spur AI innovation with upcoming Singapore hackathon in March | KrASIA 21 February 2024, KrASIA How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor 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

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