DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Alibaba Cloud TSDB vs. InfinityDB vs. NSDb vs. TerarkDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Alibaba Cloud TSDB vs. InfinityDB vs. NSDb vs. TerarkDB

Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Alibaba Cloud TSDB  Xexclude from comparison	InfinityDB  Xexclude from comparison	NSDb  Xexclude from comparison	TerarkDB  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	A stable, reliable, and cost-effective online high-performance time series database service	A Java embedded Key-Value Store which extends the Java Map interface	Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetes	A key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database model	Relational DBMS	Time Series DBMS	Key-value store	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 0.29 Rank #301   Overall #26   Time Series DBMS	Score 0.08 Rank #365   Overall #55   Key-value stores	Score 0.08 Rank #369   Overall #40   Time Series DBMS	Score 0.08 Rank #367   Overall #56   Key-value stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.alibabacloud.com/­product/­hitsdb	boilerbay.com	nsdb.io	github.com/­bytedance/­terarkdb
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	boilerbay.com/­infinitydb/­manual	nsdb.io/­Architecture	bytedance.larkoffice.com/­docs/­doccnZmYFqHBm06BbvYgjsHHcKc
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Alibaba	Boiler Bay Inc.		ByteDance, originally Terark
Initial release	2016		2002	2017	2016
Current release			4.0
License Commercial or Open Source	commercial	commercial	commercial	Open Source Apache Version 2.0	commercial restricted open source version available
Cloud-based only Only available as a cloud service	yes	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	Java, Scala	C++
Server operating systems	hosted	hosted	All OS with a Java VM	Linux macOS
Data scheme	yes	schema-free	yes nested virtual Java Maps, multi-value, logical ‘tuple space’ runtime Schema upgrade		schema-free
Typing predefined data types such as float or date	yes	Numeric data and Strings	yes all Java primitives, Date, CLOB, BLOB, huge sparse arrays	yes: int, bigint, decimal, string	no
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	no
Secondary indexes	yes	no	no manual creation possible, using inversions based on multi-value capability	all fields are automatically indexed	no
SQL Support of SQL	yes	no	no	SQL-like query language	no
APIs and other access methods	JDBC ODBC	HTTP REST	Access via java.util.concurrent.ConcurrentNavigableMap Interface Proprietary API to InfinityDB ItemSpace (boilerbay.com/­docs/­ItemSpaceDataStructures.htm)	gRPC HTTP REST WebSocket	C++ API Java API
Supported programming languages	C Java Perl Python R	Java	Java	Java Scala	C++ Java
Server-side scripts Stored procedures	yes	no	no	no	no
Triggers	yes	no	no		no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service		none	Sharding	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service		none		none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency	Immediate Consistency READ-COMMITTED or SERIALIZED	Eventual Consistency
Foreign keys Referential integrity	yes	no	no manual creation possible, using inversions based on multi-value capability	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	ACID Optimistic locking for transactions; no isolation for bulk loads	no	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	Using Apache Lucene	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	no		yes
User concepts Access control	fine grained access rights according to SQL-standard	Access managed on TSDB instance level	no		no
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Alibaba Cloud TSDB	InfinityDB	NSDb	TerarkDB
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 Experts disclosed two critical flaws in Alibaba cloud database services 20 April 2023, securityaffairs.com provided by Google News

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