DBMS > Alibaba Cloud TSDB vs. Percona Server for MongoDB vs. Postgres-XL vs. Riak TS

System Properties Comparison Alibaba Cloud TSDB vs. Percona Server for MongoDB vs. Postgres-XL vs. Riak TS

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Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	Percona Server for MongoDB  Xexclude from comparison	Postgres-XL  Xexclude from comparison	Riak TS  Xexclude from comparison
Description	A stable, reliable, and cost-effective online high-performance time series database service	A drop-in replacement for MongoDB Community Edition with enterprise-grade features.	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features	Riak TS is a distributed NoSQL database optimized for time series data and based on Riak KV
Primary database model	Time Series DBMS	Document store	Relational DBMS	Time Series DBMS
Secondary database models			Document store Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.29 Rank #301   Overall #26   Time Series DBMS	Score 0.60 Rank #246   Overall #39   Document stores	Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 0.28 Rank #307   Overall #27   Time Series DBMS
Website	www.alibabacloud.com/­product/­hitsdb	www.percona.com/­mongodb/­software/­percona-server-for-mongodb	www.postgres-xl.org
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	docs.percona.com/­percona-distribution-for-mongodb	www.postgres-xl.org/­documentation	www.tiot.jp/­riak-docs/­riak/­ts/­latest
Developer	Alibaba	Percona		Open Source, formerly Basho Technologies
Initial release		2015	2014 since 2012, originally named StormDB	2015
Current release		3.4.10-2.10, November 2017	10 R1, October 2018	3.0.0, September 2022
License Commercial or Open Source	commercial	Open Source GPL Version 2	Open Source Mozilla public license	Open Source
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++	C	Erlang
Server operating systems	hosted	Linux	Linux macOS	Linux OS X
Data scheme	schema-free	schema-free	yes	schema-free
Typing predefined data types such as float or date	Numeric data and Strings	yes	yes	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.	no	no	yes XML type, but no XML query functionality	no
Secondary indexes	no	yes	yes	restricted
SQL Support of SQL	no	no	yes distributed, parallel query execution	yes, limited
APIs and other access methods	HTTP REST	proprietary protocol using JSON	ADO.NET JDBC native C library ODBC streaming API for large objects	HTTP API Native Erlang Interface
Supported programming languages	Java	Actionscript C C# C++ Clojure ColdFusion D Dart Delphi Erlang Go Groovy Haskell Java JavaScript Lisp Lua MatLab Perl PHP PowerShell Prolog Python R Ruby Scala Smalltalk	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl	C unofficial client library C# C++ unofficial client library Clojure unofficial client library Dart unofficial client library Erlang Go unofficial client library Groovy unofficial client library Haskell unofficial client library Java JavaScript unofficial client library Lisp unofficial client library Perl unofficial client library PHP Python Ruby Scala unofficial client library Smalltalk unofficial client library
Server-side scripts Stored procedures	no	JavaScript	user defined functions	Erlang
Triggers	no	no	yes	yes pre-commit hooks and post-commit hooks
Partitioning methods Methods for storing different data on different nodes		Sharding	horizontal partitioning	Sharding
Replication methods Methods for redundantly storing data on multiple nodes		Source-replica replication		selectable replication factor
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no	yes
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Eventual Consistency Immediate Consistency	Immediate Consistency	Eventual Consistency
Foreign keys Referential integrity	no	no	yes	no links between datasets can be stored
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	no	ACID MVCC	no
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	yes via In-Memory Engine	no
User concepts Access control	Access managed on TSDB instance level	Access rights for users and roles	fine grained access rights according to SQL-standard	no
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More resources
	Alibaba Cloud TSDB	Percona Server for MongoDB	Postgres-XL	Riak TS
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